Update 'README.md'

Updated logo to use, now using the newly created logos. Updated the opening section to be more clear and reflective of the software (was somewhat outdated). Signed-off-by: Ethan Smith-Coss <ethan.sc@closedless.xyz>
Delete 'msedge-updater-logo.svg'
2022-03-13 22:34:26 +00:00 · 2022-03-13 22:31:48 +00:00 · 2022-03-13 22:31:34 +00:00 · 2022-03-13 22:31:05 +00:00 · 2022-03-13 22:29:41 +00:00 · 2022-02-20 14:37:20 +00:00
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-# (WIP) Microsoft Edge (Beta) Updater
+![msedge-updater logo](./assets/msedge-updater-logo.svg)
 An updater program which can install the latest available version of Microsoft Edge to non-Debian-based Linux distros.
-Currently this program can only update the Beta release of Microsoft Edge for amd64 architectures.
+# Microsoft Edge Updater
 An updater program which can install the latest available version of Microsoft Edge to non-APT or DNF-based Linux distros.
 Currently this program can update both the Beta and Dev releases of Microsoft Edge for amd64 architectures.
 ## Usage
 ```
-Usage: updater [OPTION]
+Usage: msedge-updater [OPTION]
-Microsoft Edge Updater (0.1.2) - An updater program which can install the latest available version of Microsoft Edge to non-Debian-based Linux distros.
+Microsoft Edge Updater (0.2.1) - An updater program which can install the latest available version of Microsoft Edge to non-Debian-based Linux distros.
-DISCLAIMER: Currently this program can only update the Beta release of Microsoft Edge for amd64 architectures.
+DISCLAIMER: Currently this program has only updated Microsoft Edge for amd64 architectures, other architectures might be possible but not tested.
 Options:
  -nn, --no-notify     Prevent notifications from being set after a session.
   -c, --set-channel=  Change the channel to be updated for Microsoft Edge. Will default to the value defined in source.list if flag is not present.
                         * beta - update Beta channel release.
                         * dev  - update Dev channel release.
   -q, --quiet         Operate strictly with no output on STDOUT or STDERR, prompts will NOT assume yes however. Logging still occurs in background.
       --mode=         Set the mode of the program to be ran in. Default mode occurs without this flag.
                         * debug - run program in debug mode. (WIP)
       --full-clean    Remove all content generated by the updater after a session, this includes all logs.
   -y, --yes-all       Assume yes to all yes/no decisions.
   -v, --version       Print out the version of the script and exit.
-      --help       Print this help message and exit
+   -h, --help          Print this help message and exit.
 ```
 ## Information
 * Program Name - Microsoft Edge Updater
-* Script Name - updater
+* Script Name - `msedge-updater`
-* Version - 0.1.2 (Beta)
+* Version - 0.2.1
-* Synopsis - update Microsoft Edge (Beta) to the latest release. 
+* Synopsis - update Microsoft Edge to the latest release.
-* Author(s) - Ethan Smith-Coss (No contact)
+* Author(s) - Ethan Smith-Coss (ethan.sc@closedless.xyz)
-* License - No License 
+* Contributors - Robert Morrison, Documentation
 * License - GNU GPLv3+
 ## Documentation
 For more in-depth documentation on `msedge-updater`, view the manpage in markdown form
 [here](https://git.closedless.xyz/ClosedLess/Microsoft-Edge-Updater/src/branch/main/msedge-updater.1.md).
 Alternatively you can view the manpage from your terminal by downloading the project.
 ```bash
    $  git clone https://git.closedless.xyz/ClosedLess/Microsoft-Edge-Updater/src/branch/main
    $  cd Microsoft-Edge-Updater/
    $  man ./msedge-updater.1
 ```
--- a/assets/msedge-updater-logo.png
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--- a/510
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 #!/bin/bash
 #########################################################################
 #                                                                       #
 #     msedge-updater - Automatically update Microsoft Edge on Solus     #
 #                                                                       #
 #                             Dependencies:                             #
 #                                 bash                                  #
 #                                 wget                                  #
 #                                  git                                  #
 #                                gunzip                                 #
 #                                  tar                                  #
 #                          coreutils (>= 8.32)                          #
 #                          binutils (>=2.35.1)                          #
 #                  procps (only BusyBox-based systems)                  #
 #                              notify-send                              #
 #                                                                       #
 #                                                                       #
 #     Disclaimer: This version only works for amd64 architectures.      #
 #          A later release may allow for update of Dev builds           #
 #                         and potentially both.                         #
 #                                                                       #
 #                       Author: Ethan Smith-Coss                        #
 #                            Version: 0.2.1                             #
 #                    Created: 2021-12-09T16:51+0000                     #
 #                  Last Modified: 2021-09-9T15:43+0100                  #
 #                                                                       #
 #                 ####################################                  #
 #                                                                       #
 #     msedge-updater - Automatically update Microsoft Edge on Solus     #
 #                   Copyright ©️ 2021 Ethan Smith-Coss                   #
 #                                                                       #
 # This program is free software: you can redistribute it and/or modify  #
 # it under the terms of the GNU General Public License as published by  #
 #   the Free Software Foundation, either version 3 of the License, or   #
 #                  (at your option) any later version.                  #
 #                                                                       #
 #    This program is distributed in the hope that it will be useful,    #
 #    but WITHOUT ANY WARRANTY; without even the implied warranty of     #
 #     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the     #
 #             GNU General Public License for more details.              #
 #                                                                       #
 #   You should have received a copy of the GNU General Public License   #
 # along with this program.  If not, see <http://www.gnu.org/licenses/>. #
 #                                                                       #
 #########################################################################
 ## program name
 prog_name="Microsoft Edge Updater"
 ## version
 version="0.2.1"
 ## usage statement
 usage="Usage: $(basename $0) [OPTION]
 $prog_name ($version) - An updater program which can install the latest available version of Microsoft Edge to non-Debian-based Linux distros.
 DISCLAIMER: Currently this program has only updated Microsoft Edge for amd64 architectures, other architectures might be possible but not tested.
 Options:
  -nn, --no-notify     Prevent notifications from being set after a session.
   -c, --set-channel=  Change the channel to be updated for Microsoft Edge. Will default to the value defined in source.list if flag is not present.
                         * beta - update Beta channel release.
                         * dev  - update Dev channel release.
   -q, --quiet         Operate strictly with no output on STDOUT or STDERR, prompts will NOT assume yes however. Logging still occurs in background.
       --mode=         Set the mode of the program to be ran in. Default mode occurs without this flag.
                         * debug - run program in debug mode. (WIP)
       --full-clean    Remove all content generated by the updater after a session, this includes all logs.
   -y, --yes-all       Assume yes to all yes/no decisions.
   -v, --version       Print out the version of the script and exit.
   -h, --help          Print this help message and exit.
 "
 runtime_dir=$(realpath "${BASH_SOURCE[0]}" | xargs -r dirname)
 ## runtime locations
 log_file="$runtime_dir/.log.1"
 logs_dir="$runtime_dir/logs"
 tmp_path="/tmp/microsoft-edge-autoupdater"
 garbage="$tmp_path/garbage.tmp"
 ## program timer
 SECONDS=0
 ## create the logs directory and tmp location if they don't already exist
 [[ ! -d "$logs_dir" ]] && mkdir "$logs_dir"
 [[ ! -d "$tmp_path" ]] && mkdir "$tmp_path"
 # function responsible for cleaning up after a session execution
 function clean_up {
 	log "DEBUG" "EXIT signal was raised, cleaning up system after session before exiting..." "$log_file"
 	[[ ! $quiet -eq 0 ]] && echo -n "Cleaning up system after session..."
 	cp "$log_file" "$logs_dir/updater.log"
 	while read -r garbage_collection ; do
 		[[ -f "$garbage_collection" || -d "$garbage_collection" ]] && rm -r "$garbage_collection"
 	done < <(cat "$garbage")
 	[[ -f "$garbage" ]] && rm "$garbage"
 	log "CLEANER" "Finished cleaning up system after session. Nice and clean :D Goodbye." "$runtime_dir/logs/updater.log"
 	[[ ! $quiet -eq 0 ]] && echo "done. Goodbye."
 	elapsed_time=$SECONDS
 	script_time="$(($elapsed_time / 60))m $(($elapsed_time % 60))s"
 	log "END" "Total time for script execution was: $script_time" "$runtime_dir/logs/updater.log"
 	echo >> "$runtime_dir/logs/updater.log"
 	cat "$logs_dir/updater.log" >> "$logs_dir/updater.history"
 	[[ $debug_run -eq 0 ]] && cat "$logs_dir/updater.log"
 }
 # ensure that the restoration was sucessful in reverting the system back
 function check_restoration {
 	[[ ! $1 -eq 0 ]] && { [[ ! $quiet -eq 0 ]] && echo "failed." && >&2 echo "There was an error trying to restore system files." \
 		"Either there no back was made or another issue occurred. Consult $log_file for more information." ; exit $1 ; }
 	log "DEBUG" "System restoration was successful, safe to use; however, the update was still failed. Exiting...($2+$1)" \
 		"$log_file"
 	[[ ! $quiet -eq 0 ]] && echo "completed." && >&2 echo "However, there was still an issue trying to update Microsoft Edge" \
 		"($edge_channel) to the latest version. Consult $log_file for more information. Exiting..."
 	[[ ! $nn_flag -eq 0 ]] && notify "Microsoft Edge ($edge_channel) Update" "There was an issue installing the update to your system." \
 		"The previous version, v$current_version, has been restored."
 	echo "$backup_file" >>"$garbage"
 }
 ## iterate over all user inputs
 while test $# -gt 0 ; do
 	case $1 in
 		-nn | --no-notify)
 			nn_flag=0 ; shift
 			;;
 		-c | --set-channel=*)
 			## if long flag, check if value is equal to beta or dev, set flag respectfully if so
 			[[ "$1" =~ "beta" || "$1" =~ "dev" ]] && edge_channel=$(echo "$1" | cut -d= -f2)
 			## if short flag, check if the next value is beta or dev, set flag respectfully if so
 			[[ "$1" == "-c" && "$2" == "beta" || "$2" == "dev" ]] && edge_channel="$2"
 			shift
 			;;
 		-q | --quiet)
 			quiet=0 ; shift
 			;;
 		--full-clean)
 			echo -n "Fully cleaning system of generated content..."
 			[[ -d "$tmp_path" ]] && rm -rf "$tmp_path"
 			[[ -d "$runtime_dir/logs" ]] && rm -rf "$runtime_dir/logs"
 			echo "done."
 			exit 0
 			;;
 		--mode=*)
 			[[ "$1" == "--mode=debug" ]] && debug_run=0
 			shift
 			;;
 		-y | --yes-all)
 			yes_flag=0 ; shift
 			;;
 		-h | --help)
 			echo "$usage"
 			exit 0
 			;;
 		-v | --version)
 			echo "$prog_name ($version)"
 			exit 0
 			;;
 		*)
 			shift
 			;;
 	esac
 done
 ## check if the script is being ran as root - exit otherwise
 [[ $(id -u) -ne 0 ]] && { >&2 echo "Please run script with root privilages." ; exit 1 ; }
 # set trap to trigger clean up function on any exit
 trap clean_up EXIT
 source "$runtime_dir/utils/common"
 log "PREINIT" "----[New instance of script has been started: $(date -Iseconds)]----" "$log_file"
 echo "$log_file" >> "$garbage"
 # initialise all flags which require a value
 ## setup the yes flag to automatically accept all yes/no inputs
 yes_flag=${yes_flag:-1}
 log "DEBUG" "The yes flag has been set to: $yes_flag." "$log_file"
 ## setup the no-notify (nn) flag if notify-send isn't installed
 command -v notify-send >/dev/null 2>&1 || nn_flag=0
 nn_flag=${nn_flag:-1}
 ## set the debugging flag if not already
 debug_run=${debug_run:-1}
 [[ $debug_run -eq 0 ]] && log "DEBUG" "The mode flag has been set so script will operate in debug mode." "$log_file"
 ## setup the quiet flag to determine if program should be slient
 quiet=${quiet:-1}
 log "DEBUG" "The quiet flag has been set to: $quiet." "$log_file"
 ## ensure source.list exists
 source_list="$runtime_dir/source.list"
 log "DEBUG" "Checking for a source.list in current runtime directory..." "$log_file"
 [[ ! $quiet -eq 0 ]] && echo -n "Checking for source.list..."
 [[ ! -f "$source_list" ]] && { [[ ! $quiet -eq 0 ]] && >&2 echo -e "\nUpdater encountered an issue: source.list not found. Exiting..." ;
 log "ERROR" "Cannot find source.list in runtime directory ($source_list). Exiting...(2)" "$log_file" ; exit 2 ; }
 log "DEBUG" "Found a souce.list in $runtime_dir." "$log_file"
 [[ ! $quiet -eq 0 ]] && echo "found."
 ## set the channel flag
 log "DEBUG" "Determining the channel of Edge and checking if it is installed to the system..."
 edge_channel="${edge_channel:-$(grep -o "\[dists.*\]" "$source_list" | sed -E 's/\[dists=(.*)\]/\1/' | cut -d, -f2)}"
 ## if for some reason there is no value, exit 254
 [[ "$edge_channel" == "" ]] && { [[ ! $quiet -eq 0 ]] && >&2 echo "There is no channel specified for Microsoft Edge. Please check the source.list file has a correct value, or use  --set-channel  to set the channel for that session." ;
 log "ERROR" "Encountered an issue trying to determine the channel of Microsoft Edge to update on the system. source.list is potentially corrupt since no default value was found. Exiting...(254)" ; exit 254 ; }
 ## check if Microsoft Edge is already installed - :@Ethan: this is some Tom Foolery, Bashism Fuckery
 command -v microsoft-edge-$edge_channel &>/dev/null
 exit_code=$?
 [[ ! $exit_code -eq 0 ]] && { [[ ! $quiet -eq 0 ]] && >&2 echo "Microsoft Edge ($edge_channel) is not installed. Exiting updater..." ;
 	log "DEBUG" "Microsoft Edge ($edge_channel) not recognised as an installed program. Exiting...(1)" ; exit 1 ; }
 log "DEBUG" "Microsoft Edge ($edge_channel) is installed to system. Proceeding with update..." "$log_file"
 ## ensure host is reachable
 host=$(grep "\[host\]" "$source_list" | cut -d' ' -f 2)
 log "DEBUG" "Checking if host is available according to defined value of [host]: $host..." "$log_file"
 [[ ! $quiet -eq 0 ]] && echo -n "Checking to see if the host is known and reachable..."
 if ! wget --spider "$host" >/dev/null 2>&1 ; then
 	>&2 echo "Cannot reach end-point for distribution information. Check your Internet connection and try again. Exiting..."
 	log "DEBUG" "Upstream end-point is cannot be contacted. Potential Internet connection issue or end-point address ($dist_upstream). Exiting...(3)" "$log_file"
 	[[ ! $nn_flag -eq 0 ]] && notify "Microsoft Edge ($edge_channel) Update" "There seems to be an issue connecting to the end-point of Microsoft. Check your Internet connection and try again."
 	exit 3
 fi
 log "DEBUG" "Host is known and reachable. Continuing update to fetch data..." "$log_file"
 [[ ! $quiet -eq 0 ]] && echo "host known and reachable: (host) $host"
 ## identify the end-point URL for distribution information
 dist_upstream=$(grep "\[dists.*\]" "$source_list" | cut -d' ' -f 2-4 --output-delimiter '/')
 archi=$(grep -o "\[dists.*\]" "$source_list" | sed -E 's/\[dists=(.*)\]/\1/' | cut -d, -f1)
 log "DEBUG" "Fetching Packages file from $dist_upstream for $archi architectures..." "$log_file"
 ## fetch the file - :@Ethan: there's no reason to inform the user of this operation unless it fails
 wget -a "$log_file" -O "$tmp_path/Packages.gz" "$dist_upstream/binary-$archi/Packages.gz"
 exit_code=$?
 [[ ! $exit_code -eq 0 ]] && { [[ ! $quiet -eq 0 ]] && >&2 echo "There was an issue retrieving the package information for the update. Please check $logs_dir/updater.log, for more information. Exiting..." ;
 	log "DEBUG" "Encountered an issue with wget. Exiting...(4)" "$log_file" ; exit 4 ; }
 log "DEBUG" "Successfully downloaded release package information." "$log_file"
 log "DEBUG" "Fetching Contents-$archi.gz from ${dist_upstream::-4}" "$log_file"
 wget -a "$log_file" -O "$tmp_path/Contents-$archi.gz" "${dist_upstream::-4}/Contents-$archi.gz"
 exit_code=$?
 [[ ! $exit_code -eq 0 ]] && { [[ ! $quiet -eq 0 ]] && >&2 echo "There was an issue retrieving the package contents for the update. Please check $log_file/updater.log, so more information. Exiting..." ;
 	log "ERROR" "Encountered an issue with wget. Exiting...(4)" "$log_file" ; exit 4 ; }
 log "DEBUG" "Successfully downloaded release contents information." "$log_file"
 ## decompress the packages file
 log "DEBUG" "Uncompressing downloaded gz file using gunzip, $tmp_path/Packages.gz..." "$log_file"
 ## force gunzip to overwrite decompressed file if it already exists
 gunzip -f "$tmp_path/Packages.gz" "$tmp_path/Contents-$archi.gz" >/dev/null 2>&1
 log "DEBUG" "Successfully uncompressed content." "$log_file"
 ## get the most recent package entry from Packages list for Beta version of browser
 log "DEBUG" "Identifying the most recent package information from Packages catelogue..." "$log_file"
 ## find the earliest entry for Edge Beta release
 start_point=$(grep -n "Package:.*-$edge_channel" "$tmp_path/Packages" | tr '\n' ' ' | cut -d: -f1)
 ## make a list of all lines which are blank - used to identify end of package information entry
 end_points=( $(grep -n '^\s*$' "$tmp_path/Packages" | sed 's/://g') )
 ## loop over all potential end points
 for (( i=0 ; i<"${#end_points[@]}"; i++)) ; do
 	## if the end point is greater than start point, set $end_point to the index of i
 	### :@NOTE: this will more often then not be the first value in the array. However,
 	### if a dev release comes out before the next beta version, the package entry may be
 	### much later in the file. We break once the correct end point is found.
 	[[ "${end_points[$i]}" -gt $start_point ]] && end_point="${end_points[$i]}" && break
 done
 ## adjust the start and end point values
 ((start_point--)) ; ((end_point++))
 ## this ensures end_point is set. :@Ethan: I could just test if the variable exists but I like the clarity of this for now
 end_point="${end_point:--1}"
 ## if for some reason $end_point is set to -1, we have an issue with the Packages file and should exit
 [[ $end_point -eq -1 ]] && { log "ERROR" "EOF reached and indexing out of bounds value has been set. Exiting...(5)" "$log_file" ; exit 255 ; }
 ## extrapolate the package information and save to Release
 package_entry=$(awk -v start=$start_point -v end=$end_point 'NR>1*start&&NR<1*end' "$tmp_path/Packages" > "$tmp_path/Release")
 log "DEBUG" "Extrapolated most recent package information entry from $tmp_path/Release. Package information selected is as below:" "$log_file"
 ## pretty print each line when appending to make it easier to read in log file
 sed 's/^/  (Release Info)   /' "$tmp_path/Release" | sed -E 's/(^\s*\(Release Info\)\s*$)/\1(END)/' >> "$log_file"
 ### :@Ethan: at this point we can start ensuring that a newer release is available, inform the user of the new size,
 ### check dependences, and just ensure the user wants to go ahead with the update.
 ## get the current version number and the version in Release
 current_version=$(microsoft-edge-$edge_channel --version | cut -d' ' -f3)
 release_version=$(grep 'Version' "$tmp_path/Release" | sed -E 's/Version:\s*(.*)-.*/\1/')
 log "DEBUG" "Checking if there is an update available (release: $release_version) or if most recent version is already installed to the system..." "$log_file"
 ## compare the versions - using sort -V.
 if [[ "$release_version" == "$current_version" ]]; then
 	upgradeable=1
 else
 	[[ "$current_version" != "$(echo -e "$current_version\n$release_version" | sort -V | head -n2)" ]] && upgradeable=0
 fi
 ## this should never be substituted to 1 - but it's a cover if the release version happens to be behind the current version
 ##"${upgradeable:=1}"
 upgradeable=${upgradeable:-1}
 ## check if we can upgrade, can exit 1 for passive exit - exit not notifying a failure for another reason
 if [[ $upgradeable -eq 1 ]] ; then
 	elapsed_time=$SECONDS
 	script_time="$(($elapsed_time / 60))m $(($elapsed_time % 60))s"
 	[[ ! $quiet -eq 0 ]] && >&2 echo "Most recent version of Microsoft Edge ($edge_channel) [v$current_version] is already installed on this system, no need to update. Finished in $script_time"
 	log "DEBUG" "Most recent version of Microsoft Edge ($edge_channel) is already installed to the system (v$current_version). Completed in $script_time. Exiting...(1)" "$log_file"
 	[[ ! $nn_flag -eq 0 ]] && notify "Microsoft Edge ($edge_channel) Update" "There is no newer version of Microsoft Edge ($edge_channel) to install. Newest version is already installed: v$current_version"
 	exit 0
 fi
 log "DEBUG" "There is a more recent release of Microsoft Edge ($edge_channel) available for download (v$release_version). Continuing with update." "$log_file"
 [[ ! $quiet -eq 0 ]] && >&2 echo "Identified a new release of Microsoft Edge ($edge_channel) [Current: v$current_version. New: v$release_version]. Starting the download and installation process..."
 ## check if msedge process is already running
 is_running="$(pidof msedge | xargs ps -ocmd -p | grep -m1 "msedge-$edge_channel")"
 if [[ ! -z "$is_running" ]] ; then
 	log "DEBUG" "Identified running processes for msedge. Determining how script should handle process..." "$log_file"
 	if [[ ! $yes_flag -eq 0 ]] ; then
 		echo -n "Microsoft Edge ($edge_channel) is already open. To continue update, the browser must be closed. Are you sure you wish to proceed? [(Y)es/No]: " && read -n 1 choice ; echo
 		[[ $(echo $choice | awk '{print tolower($0)}') == "n" ]] && { log "DEBUG" "User opted against allowing the script to close Microsoft Edge ($edge_channel) by default. Exiting...(1)" "$log_file" ; exit 1 ; }
 	fi
 	log "DEBUG" "Confirmation has been given to proceed with killing Microsoft Edge ($edge_channel) processes. Killing msedge..." "$log_file"
 	kill_attempts=0
 	while [[ -n $(pidof msedge) ]] ; do
 		[[ $? -eq 0 && $kill_attempts -ge 1 ]] && {
 			log "WARNING" "Process is refusing to exit. Attempting to kill process again after 2 seconds..." "$log_file" ;
 			sleep 2 ; }
 		[[ $kill_attempts -eq 3 ]] && {
 			echo "There was an issue trying to close Microsoft Edge ($edge_channel). Please close the browser and restart the updater." ;
 			log "ERROR" "Process has refused to close $kill_attempts time(s). Update cannot continue in current state, exiting...(253)" "$log_file" ;
 			exit 253 ; }
 		pkill msedge
 	done
 #	killall_stdout="$(killall msedge 2>&1)"
 #	exit_code=$?
 #	[[ ! $exit_code -eq 0 ]] && {
 		## :@TODO: employ a similar mechanism to that created by Rob in autostart script (https://robmc.duckdns.org/git/robert/dotfiles/src/branch/master/.local/share/dwm/autostart.sh) to keep attempting to end msedge process if it refuses.
 #		if [[ "$killall_stdout" == "msedge: no process found" ]] ; then
 #			log "DEBUG" "Process has already been closed by another means, either by an external process or user."
 #		else
 #			pkill -9 msedge
 #		fi ; }
 fi
 log "DEBUG" "Microsoft Edge ($edge_channel) has been closed, either by yes flag enabled or by user decision. Process may not have been running thus never killed." "$log_file"
 # Download the newest version of Microsoft Edge ($edge_channel)
 ## get the end-point for .deb file location and filename
 pool=$(grep '\[pool\]' "$source_list" | cut -d' ' -f2)
 filename=$(grep 'Filename:.*' "$tmp_path/Release" | cut -d' ' -f2)
 url="$pool$filename" ## set URL to be concatenation of pool + filename
 ## check if the file end-point is actually reachable before trying to download
 log "DEBUG" "Checking the following release version file end-point is accessible ($url)..." "$log_file"
 ### :@Ethan: This is trying to download the file for a response so effectively we will be doing the same work twice
 ### so is inefficient for testing if the end-point is reachable. ping and telnet are not suitable for this operation.
 ### An assumption will have to be made for now.
 ### :@Ethan: The above message has been addressed and wget commands for checking end-points has been changed from
 ### `wget -qO- [URL] >/dev/null 2>&1` to: `wget --spider [URL] >/dev/null 2>&1`. Check manpage for more about the
 ### spider argument.
 if ! wget --spider "$url" >/dev/null 2>&1 ; then
 	[[ ! $quiet -eq 0 ]] && >&2 echo "Cannot reach end-point for latest release. Check your Internet connection and try again."
 	log "DEBUG" "Pool end-point is cannot be contacted. Potential Internet connection issue or end-point address ($url). Exiting...(5)" "$log_file"
 	[[ ! $nn_flag -eq 0 ]] && notify "Microsoft Edge ($edge_channel) Update" "There seems to be an issue connecting to the end-point of Microsoft. Check your Internet connection and try again."
 	exit 5
 fi
 log "DEBUG" "Pool is known and reachable. Beginning download..." "$log_file"
 [[ ! $quiet -eq 0 ]] && echo "Host known and reachable: (download) $url"
 ## set filename to not be pool address but the name of file
 filename=$(echo "$url" | rev | cut -d'/' -f1 | rev)
 filesize=$(grep '^Size:.*' "$tmp_path/Release" | cut -d' ' -f2)
 log "DEBUG" "Checking if user wishes to proceed with the update installation..." "$log_file"
 ## inform the user of the new download size before downloading
 if [[ $yes_flag -eq 1 ]] ; then
 	echo -n "The following package will be installed, $filename [$filesize]. Are you sure you wish to continue? [(Y)es/No]: " && read -n 1 choice && echo
 	[[ "$(echo $choice | awk '{print tolower($0)}')" == "n" ]] && { [[ ! $quiet -eq 0 ]] && >&2 echo "The following update to Microsoft Edge ($edge_channel) v$release_version will not be installed. Exiting updater..." ;
 	log "DEBUG" "User opted out for updating from $current_version to $release_version. Exiting...(1)" "$log_file" ; exit 1 ; }
 fi
 log "DEBUG" "Confirmation has been given to proceed with the following update of Microsoft Edge ($edge_channel) [v$release_version]." "$log_file"
 # download the debian file
 log "DEBUG" "Checking if the file is already downloaded to the system..." "$log_file"
 if [[ ! -f "$tmp_path/$filename" ]] ; then
 	log "DEBUG" "Downloading the latest release version [v$release_version], file: $filename (URL: $url)" "$log_file"
 	[[ ! $quiet -eq 0 ]] && echo "Downloading the following release file: $filename. This may take a moment..."
 	# wget_timed=$(\time --format "%x:%e" wget -a "$tmp_path/wget_dump.log" -O "$tmp_path/$filename" "$url" 2>&1)
 	wget -a "$tmp_path/wget_dump.log" --progress=bar --show-progress -O "$tmp_path/$filename" "$url"
 	exit_code=$? # $(echo $wget_timed | cut -d: -f1)
 	[[ ! $exit_code -eq 0 ]] && { [[ ! $quiet -eq 0 ]] && >&2 echo "There was an issue downloading the Debian version of Microsoft Edge ($edge_channel)." \
 		"Please check $logs_dir/updater.log, for more information. Exiting update..." ;
 		log "DEBUG" "Encountered an issue with wget. Exiting...(6)" "$log_file" ; exit 6 ; }
 	awk -v end=$(grep -n '^\s*$' "$tmp_path/wget_dump.log" | tr '\n' ' ' | cut -d: -f1) 'NR>1*0&&NR<1*end+1' "$tmp_path/wget_dump.log" >> "$log_file"
 	log "DEBUG" "Download completed successfully, wget log shown above." "$log_file"
 	[[ ! $quiet -eq 0 ]] && echo -n "Download complete. Validating checksums..."
 else
 	log "DEBUG" "File already downloaded to system. Skipped download and verifying checksum..." "$log_file"
 	[[ ! $quiet -eq 0 ]] && echo -n "Latest Debian release file is downloaded to the system, skipping download. Validating checksums..."
 fi
 ## add the .deb file to garbage list
 echo "$tmp_path/$filename" >> "$garbage"
 ## verify the downloaded file
 if [[ "$(sha256sum "$tmp_path/$filename" | cut -d' ' -f1)" != "$(grep 'SHA256:.*' "$tmp_path/Release" | cut -d' ' -f2)" ]] ; then
 	## automatically remove the file - :@Ethan: it's either corrupt or hazardous to the health of the system
 	rm "$tmp_path/$filename"
 	log "DEBUG" "Checksum (SHA256) failed and integrity of file lost. File has been removed as either corrupt or hazardous/dangerous. Exiting...(7)" "$log_file"
 	[[ ! $quiet -eq 0 ]] && echo "failed." && \
 		>&2 echo "The checksum (SHA256) failed for some reason and removed either because it was corrupt or dangerous. Exiting updater..."
 	[[ ! $nn_flag -eq 0 ]] && notify "Microsoft Edge ($edge_channel) Update" "There was an issue with the checksum to verify the latest release. The Debian file has been automatically removed to prevent potential danger to the system."
 	exit 7
 fi
 [[ ! $quiet -eq 0 ]] && echo "complete."
 # unarchive the .deb file and extract data.tar.gz
 log "DEBUG" "Unarchiving the downloaded DEB file ($tmp_path/$filename)..." "$log_file"
 [[ ! $quiet -eq 0 ]] && echo -n "Unzipping download..."
 ## use ar to unarchive .deb file
 ar vx "$tmp_path/$filename" --output "$tmp_path" >/dev/null 2>&1
 exit_code=$?
 [[ ! $exit_code -eq 0 ]] && { [[ ! $quiet -eq 0 ]] && echo "incomplete." && \
 	>&2 echo "There was an issue unarchiving $filename. Exiting updater...\n" ;
 	log "ERROR" "There was an issue when unarchiving $filename. Exiting...(8)" "$log_file" ; exit 8 ; }
 log "DEBUG" "Successfully unarchived $filename, decompressing the data.tar.gz file..." "$log_file"
 ## extract data from data.tar.gz
 tar --overwrite -xf "$tmp_path/data.tar.xz" --directory "$tmp_path" 1>"$tmp_path/tar_dump.log" 2>>"$log_file"
 exit_code=$?
 [[ ! $exit_code -eq 0 ]] && { [[ ! $quiet -eq 0 ]] && echo "incomplete." && \
 	>&2 echo "There was an extracting data.tar.gz. Exiting updater..." ;
 	log "ERROR" "There was an issue when decompressing data.tar.gz using tar -xvf. Exiting...(8)" "$tmp_path" ; exit 8 ; }
 log "DEBUG" "Successfully extracted files from data.tar.gz." "$log_file"
 [[ ! $quiet -eq 0 ]] && echo "completed."
 ## etc/ directory only contains a cron daily directory, remove it
 [[ ! $quiet -eq 0 ]] && rm -r "$tmp_path/etc/"
 ## add data.tar.xz to the garbage list
 echo "$tmp_path/data.tar.xz" >> "$garbage"
 # compress archive the currently installed version of Edge ($edge_channel) for restoration on failure
 log "DEBUG" "Creating an archive gzip tarball of system /opt/ and /usr/ directories..." "$log_file"
 [[ ! $quiet -eq 0 ]] && echo -n "Installing new version to system. This may take a few minutes..."
 archive_system "microsoft/msedge-$edge_channel"
 exit_code=$?
 if [[ ! $exit_code -eq 0 ]] ; then
 	### :@Ethan: there was an issue with creating an archive, should probably inform the user to make a decision (unless -y is set)
 	[[ ! $quiet -eq 0 ]] && echo "failed." && >&2 echo "There was an issue creating a backup of the system. Exiting..."
 	log "ERROR" "There was an issue creating a gzip tarball of the system. Exiting...($exit_code)" "$log_file"
 	exit $exit_code
 fi
 log "DEBUG" "Successfully created an archive gzip tarball of the system. Safe to continue with installation." "$log_file"
 ### :@NOTE: used to terminate the program at a certain point for incremental testing of functionality recently added up to the point of this exit.
 ### exit 0
 # install the new version to system
 log "DEBUG" "Copying files to there appropriate location..." "$log_file"
 cp -ar "$tmp_path/opt" "/" >>"$log_file" 2>&1
 exit_code=$?
 if [[ ! $exit_code -eq 0 ]] ; then
 	[[ ! $quiet -eq 0 ]] && echo "failed." && \
 	>&2 echo -n "There was an issue installing files to the system. Reverting to previous version..."
 	log "DEBUG" "There was an issue copying $tmp_path/opt/ file to system /opt/. Reverting system files and exiting...(9)" \
 		"$log_file"
 	## attempt restoration of system
 	restore_files "microsoft_msedge-$edge_channel"
 	return_code=$?
 	## check the restoration was successful
 	check_restoration $return_code 9
 	exit 9
 fi
 cp -ar "$tmp_path/usr" "/" >>"$log_file" 2>&1
 exit_code=$?
 if [[ ! $exit_code -eq 0 ]] ; then
 	[[ ! $quiet -eq 0 ]] && echo "failed." && \
 	>&2 echo -n "There was an issue installing files to the system. Reverting to previous version..."
 	log "DEBUG" "There was an issue copying $tmp_path/usr/ file to system /usr/. Reverting system files and exiting...(9)" \
 		"$log_file"
 	## attempt restoration of system
 	restore_files "microsoft_msedge-$edge_channel"
 	return_code=$?
 	## check the restoration was successful
 	check_restoration $return_code 9
 	exit 9
 fi
 log "DEBUG" "Successfully installed files to their appropriate location." "$log_file"
 [[ ! $quiet -eq 0 ]] && echo "installation complete."
 ## add directories usr/ and opt/ to garbage
 echo "$tmp_path/usr" >> "$garbage"
 echo "$tmp_path/opt" >> "$garbage"
 ## confirm the update was successful - try to restore system otherwise
 if [[ "$(microsoft-edge-$edge_channel --version | cut -d' ' -f3)" != "$release_version" ]] ; then
 	log "ERROR" "There was an issue with the update and installation. Restoring to previous version..." "$log_file"
 	printf "Update was unsuccessful. Restoring to previous version..."
 	## attempt restoration of system
 	restore_files "microsoft_msedge-$edge_channel"
 	return_code=$?
 	## check the restoration was successful
 	check_restoration $return_code 11
 	exit 11
 fi
 ## end of update. Inform user of time taken to complete, notify and log.
 elapsed_time=$SECONDS
 script_time="$(($elapsed_time / 60))m $(($elapsed_time % 60))s"
 log "DEBUG" "Installation and update was successful (completed in: $script_time) and system can be cleaned up to remove any waste." "$log_file"
 [[ ! $quiet -eq 0 ]] && echo "Microsoft Edge ($edge_channel) has been successfully updated to the latest version: v$current_version -> v$release_version, in $script_time."
 [[ ! $nn_flag -eq 0 ]] && notify "Microsoft Edge ($edge_channel) Update" "Successfully updated Microsoft Edge ($edge_channel) to the latest version: v$release_version"
 # exit from script, clean up function is called by default exit of script (EOF)
--- a/msedge-updater.1
+++ b/msedge-updater.1
@ -0,0 +1,289 @@
 .\" Automatically generated by Pandoc 2.5
 .\"
 .TH "MSEDGE\-UPDATER" "1" "December 9, 2021" "updater 0.2.1" "User Manual"
 .hy
 .SH NAME
 .PP
 \f[C]msedge\-updater\f[R] \[em] Automatically update Microsoft Edge on
 Solus
 .SH SYNOPSIS
 .PP
 \f[B]\f[CB]msedge\-updater\f[B]\f[R] [ \f[I]option\f[R] ]
 .SH OPTIONS
 .IP \[bu] 2
 \f[C]\-nn, \-\-no\-notify\f[R]
 .PD 0
 .P
 .PD
 Prevent notifications from being sent after a session.
 .IP \[bu] 2
 \f[C]\-c, \-\-set\-channel=\f[R]
 .PD 0
 .P
 .PD
 Change the channel to be updated for Microsoft Edge.
 Will default to the value defined in \f[C]source.list\f[R] if flag is
 not present.
 .RS 2
 .IP \[bu] 2
 beta \- update the Beta channel release.
 .IP \[bu] 2
 dev \- update the Dev channel release.
 .RE
 .IP \[bu] 2
 \f[C]\-q, \-\-quiet\f[R]
 .PD 0
 .P
 .PD
 Operate strictly with no output on \f[C]STDOUT\f[R] or \f[C]STDERR\f[R],
 prompts will \f[B]NOT\f[R] assume yes however.
 Logging still occurs in background.
 .IP \[bu] 2
 \f[C]\-\-mode=\f[R]
 .PD 0
 .P
 .PD
 Set the mode of the program to be ran in.
 Default mode occurs without this flag.
 .RS 2
 .IP \[bu] 2
 \f[B]\f[BI]debug\f[B]\f[R] \- run program in debug mode.
 (\f[B]WIP\f[R])
 .RE
 .IP \[bu] 2
 \f[C]\-\-full\-clean\f[R]
 .PD 0
 .P
 .PD
 Remove all content generated by the updater after a session, this
 includes all logs.
 .IP \[bu] 2
 \f[C]\-y, \-\-yes\-all\f[R]
 .PD 0
 .P
 .PD
 Assume yes to all yes/no decisions.
 .IP \[bu] 2
 \f[C]\-v, \-\-version\f[R]
 .PD 0
 .P
 .PD
 Print out the version of the script and exit.
 .IP \[bu] 2
 \f[C]\-h, \-\-help\f[R]
 .PD 0
 .P
 .PD
 Print this help message and exit
 .SH DESCRIPTION
 .PP
 Microsoft Edge Updater is a program which will download and update your
 installation of Microsoft Edge to the latest release version identified.
 The main script is \f[C]msedge\-updater\f[R] and while the system is
 akin to a package manager, it\[cq]s much, much simpler.
 .PP
 Systems that run Debian\-based distros (using the \f[C]apt\f[R] package
 manager) or Fedora/openSUSE (using the \f[C]dnf\f[R] package manager),
 should install Microsoft Edge to their package manager according to the
 official guide over at Microsoft Edge Insider \- Command line
 installation (https://www.microsoftedgeinsider.com/en-us/download/).
 .PP
 For those systems that use the amd64 architecture but not the perviously
 mentioned bases/distros, or package managers, may benefit from this
 program.
 \f[C]msedge\-updater\f[R] uses the Debian (\f[C].deb\f[R]) release
 versions of Microsoft Edge and automatically installs them to your
 system so you don\[cq]t have to again!
 .SS NOTE
 .PP
 \f[C]msedge\-updater\f[R] must be ran with root privileges.
 If the script fails to identify its elevation, it will exit and display
 a message to STDOUT.
 .SS DISCLAIMER!!
 .PP
 Currently this program has only updated Microsoft Edge for amd64
 architectures, other architectures might be possible but not tested.
 .SS Testing Systems
 .PP
 \f[C]msedge\-updater\f[R] has been known to successfully run, download
 and update Microsoft Edge (Beta) on Solus 4.2 Fortitude, Kernel version
 5.11.21\-179 and later.
 .PP
 The test environment is a custom Docker image built from the Alpine
 base.
 Due to certain dependencies of Microsoft Edge, \f[C]msedge\-updater\f[R]
 will currently finish with exit code 11 on a successful session due to
 the binary, \f[C]msedge\f[R], not being able to run.
 This issue is only known for Busybox systems using \f[C]musl\f[R], and
 not \f[C]glibc\f[R], which Microsoft Edge is built using.
 .SH DEPENDENCIES
 .IP \[bu] 2
 bash
 .IP \[bu] 2
 wget
 .IP \[bu] 2
 git
 .IP \[bu] 2
 gunzip
 .IP \[bu] 2
 tar
 .IP \[bu] 2
 coreutils (>=8.32)
 .IP \[bu] 2
 binutils (>=2.35.1)
 .IP \[bu] 2
 procps (only Busybox\-based systems)
 .SH FILES
 .IP \[bu] 2
 \f[C]source.list\f[R] \[em]
 .RS 2
 .PP
 This file contains a list of URL end\-points to the official Microsoft
 Edge packages page.
 There are 3 lines with dedicated purposes:
 .IP \[bu] 2
 \f[C][host]\f[R] \[em]
 .PD 0
 .P
 .PD
 A URL to the front page of Microsoft\[cq]s Packages site, used to check
 connectivity and if the site is reachable.
 .IP \[bu] 2
 \f[C][dists]\f[R] \[em]
 .PD 0
 .P
 .PD
 Most iconic line and resembles that of an APT entry for package
 information.
 This line can be broken into 4 parts
 .RS 2
 .IP "1." 3
 \f[C][dists=amd64,<beta | dev>]\f[R] \[em]
 .PD 0
 .P
 .PD
 This tells the updater which package architecture it should download for
 the system.
 Comma delimited to that, determine which channel of Microsoft Edge to
 update by default, and can be changed or override by flag arguments.
 The default value of \f[C]dists\f[R] is \f[C]amd64,beta\f[R].
 .IP "2." 3
 \f[C]<https URL>\f[R] \[em]
 .PD 0
 .P
 .PD
 The URL which points to the distribution repository on the Microsoft
 Packages server.
 .IP "3." 3
 \f[C]main\f[R] \[em]
 .PD 0
 .P
 .PD
 The main branch of the distribution repository.
 .IP "4." 3
 \f[C]stable\f[R] \[em]
 .PD 0
 .P
 .PD
 The type of release that should be installed to the system.
 .RE
 .IP \[bu] 2
 \f[C][pool]\f[R] \[em]
 .PD 0
 .P
 .PD
 The prefix URL to the repository end\-point that stores the latest
 releases.
 The suffix comes from the Release information.
 .RE
 .IP \[bu] 2
 \f[C]logs/\f[R] \[em]
 .RS 2
 .PP
 This is a directory which holds the session and history logs.
 .IP \[bu] 2
 \f[C]logs/updater.log\f[R] \[em]
 .PD 0
 .P
 .PD
 A full report log of the previous update session.
 Replaced after every next update session.
 .IP \[bu] 2
 \f[C]logs/updater.history\f[R] \[em]
 .PD 0
 .P
 .PD
 A history of all the previous update sessions.
 Never replaced, only appended to after every next update session.
 .RE
 .IP \[bu] 2
 \f[C]utils/\f[R] \[em]
 .RS 2
 .PP
 Resource directory which contains any utility scripts.
 These are stand\-alone; however, don\[cq]t have any specific purpose
 being executed by a user.
 .IP \[bu] 2
 \f[C]utils/common\f[R] \[em]
 .PD 0
 .P
 .PD
 A utility file with common functions for the updater.
 .RE
 .SH EXIT STATUS
 .IP \[bu] 2
 0 \[em] Successful
 .IP \[bu] 2
 1 \[em] General Error (Errors not severe enough to the cause of the
 updater to stop)
 .IP \[bu] 2
 2 \[em] Could not find \f[C]source.list\f[R] for the update
 .IP \[bu] 2
 3 \[em] Host could not be reached.
 Check Internet connectivity and/or host URL
 .IP \[bu] 2
 4 \[em] Failed to download either the Packages information or Content
 information files
 .IP \[bu] 2
 5 \[em] Pool end\-point could not be reached
 .IP \[bu] 2
 6 \[em] Failed to download the identified Debian (\f[C].deb\f[R]) file
 from the host\[cq]s pool
 .IP \[bu] 2
 7 \[em] Checksum verification of Debian (\f[C].deb\f[R]) file failed.
 At this point, the downloaded file is removed
 .IP \[bu] 2
 8 \[em] Failed to unarchive the Debian (\f[C].deb\f[R]) file or
 decompress the \f[C]data.tar.gz\f[R] file
 .IP \[bu] 2
 9 \[em] Failed to copy the new files to the system.
 At this point, the backup is restored to the system to prevent
 corruption
 .IP \[bu] 2
 10 \[em] The archive function failed to create an archive of the system
 .IP \[bu] 2
 11 \[em] If the system successfully restored files on an update failure,
 the updater will exit with this code stating the update failed but
 restoration was successful
 .IP \[bu] 2
 12 \[em] The restore function failed to restore the files to their
 original location
 .IP \[bu] 2
 254 \[em] The channel to update cannot be identified.
 Most likely cause is \f[C]source.list\f[R] is corrupt and \f[C]\-c\f[R]
 was not passed.
 .IP \[bu] 2
 255 \[em] EOF flag was set when reading the Packages information file
 .IP \[bu] 2
 Other \[em] an exit code not related to the updater may have been
 raised.
 Consult the logs to identify which command returned the exit code.
 .SH AUTHORS
 .IP \[bu] 2
 Ethan Smith\-Coss
 .SH CONTRIBUTORS
 .IP \[bu] 2
 Robert Morrison \[em] Documentation
 .SS Contacting
 .PP
 All contacts should be done through Issues on Gitea.
--- a/msedge-updater.1.md
+++ b/msedge-updater.1.md
@ -0,0 +1,158 @@
 ---
 title: MSEDGE-UPDATER
 section: 1
 header: User Manual
 footer: updater 0.2.1
 date: December 9, 2021
 ---
 # NAME
 `msedge-updater` — Automatically update Microsoft Edge on Solus
 # SYNOPSIS
 **`msedge-updater`** [ _option_ ]
 # OPTIONS
 * `-nn, --no-notify`  
 	Prevent notifications from being sent after a session.
 * `-c, --set-channel=`  
 	Change the channel to be updated for Microsoft Edge. Will default to the value defined in `source.list` if flag is not present.
 	* beta - update the Beta channel release.
 	* dev  - update the Dev channel release.
 * `-q, --quiet`  
 	Operate strictly with no output on `STDOUT` or `STDERR`, prompts will __NOT__ assume yes however. Logging still occurs in background.
 * `--mode=`  
 	Set the mode of the program to be ran in. Default mode occurs without this flag.  
 	* ___debug___ - run program in debug mode. (__WIP__)
 * `--full-clean`  
 	Remove all content generated by the updater after a session, this includes all logs.
 * `-y, --yes-all`  
 	Assume yes to all yes/no decisions.
 * `-v, --version`    
 	Print out the version of the script and exit.
 * `-h, --help`     
 	Print this help message and exit
 # DESCRIPTION
 Microsoft Edge Updater is a program which will download
 and update your installation of Microsoft Edge to the latest release version identified. 
 The main script is `msedge-updater` and while the system is akin to a package manager,
 it's much, much simpler.
 Systems that run Debian-based distros (using the `apt` package manager) 
 or Fedora/openSUSE (using the `dnf` package manager), 
 should install Microsoft Edge to their package manager 
 according to the official guide over at 
 [Microsoft Edge Insider - Command line installation](https://www.microsoftedgeinsider.com/en-us/download/).
 For those systems that use the amd64 architecture 
 but not the perviously mentioned bases/distros, 
 or package managers, may benefit from this program. 
 `msedge-updater` uses the Debian (`.deb`) release versions of Microsoft Edge 
 and automatically installs them to your system so you don't have to again!
 ## NOTE
 `msedge-updater` must be ran with root privileges. If the script fails to identify its elevation,
 it will exit and display a message to STDOUT.
 ### DISCLAIMER!!
 Currently this program has only updated Microsoft Edge for amd64 architectures, other architectures
 might be possible but not tested.
 ### Testing Systems
 `msedge-updater` has been known to successfully run,
 download and update Microsoft Edge (Beta) on Solus 4.2 Fortitude,
 Kernel version 5.11.21-179 and later.
 The test environment is a custom Docker image built from the Alpine base. Due to certain dependencies
 of Microsoft Edge, `msedge-updater` will currently finish with exit code 11 on a successful session due to
 the binary, `msedge`, not being able to run. This issue is only known for Busybox systems using `musl`,
 and not `glibc`, which Microsoft Edge is built using.
 # DEPENDENCIES
 * bash
 * wget
 * git
 * gunzip
 * tar
 * coreutils (>=8.32)
 * binutils (>=2.35.1)
 * procps (only Busybox-based systems)
 # FILES
 * `source.list` —
 	This file contains a list of URL end-points
 	to the official Microsoft Edge packages page.
 	There are 3 lines with dedicated purposes:
 	* `[host]` —  
 		A URL to the front page of Microsoft's Packages site, 
 		used to check connectivity and if the site is reachable. 
 	* `[dists]` —  
 		Most iconic line and resembles that of an APT entry for package information.
 		This line can be broken into 4 parts
 		1. `[dists=amd64,<beta | dev>]` —  
 			 This tells the updater which package architecture it 
 			 should download for the system. Comma delimited to that, determine which
 			 channel of Microsoft Edge to update by default, and can be changed or override
 			 by flag arguments. The default value of `dists` is `amd64,beta`.
 		2. `<https URL>` —  
 			 The URL which points to the distribution repository 
 			 on the Microsoft Packages server.
 		3. `main` —  
 			 The main branch of the distribution repository.
 		4. `stable` —  
 			 The type of release that should be installed to the system.
 	* `[pool]` —  
 		The prefix URL to the repository end-point that stores the latest releases.
 		The suffix comes from the Release information.
 * `logs/` —
 	This is a directory which holds the session and history logs.
 	* `logs/updater.log` —  
 		A full report log of the previous update session. 
 		Replaced after every next update session.
 	* `logs/updater.history` —  
 		A history of all the previous update sessions. 
 		Never replaced, only appended to after every next update session.
 * `utils/` —
 	Resource directory which contains any utility scripts. 
 	These are stand-alone; 
 	however, don't have any specific purpose being executed by a user.
 	* `utils/common` —  
 		A utility file with common functions for the updater.
 # EXIT STATUS
 * 0 — Successful
 * 1 — General Error (Errors not severe enough to the cause of the updater to stop)
 * 2 — Could not find `source.list` for the update
 * 3 — Host could not be reached. Check Internet connectivity and/or host URL
 * 4 — Failed to download either the Packages information or Content information files
 * 5 — Pool end-point could not be reached
 * 6 — Failed to download the identified Debian (`.deb`) file from the host's pool
 * 7 — Checksum verification of Debian (`.deb`) file failed. At this point, the downloaded file is removed
 * 8 — Failed to unarchive the Debian (`.deb`) file or decompress the `data.tar.gz` file
 * 9 — Failed to copy the new files to the system. At this point, the backup is restored to the system to prevent corruption
 * 10 — The archive function failed to create an archive of the system
 * 11 — If the system successfully restored files on an update failure, the updater will exit with this code stating the update failed but restoration was successful
 * 12 — The restore function failed to restore the files to their original location
 * 254 — The channel to update cannot be identified. Most likely cause is `source.list` is corrupt and `-c` was not passed.
 * 255 — EOF flag was set when reading the Packages information file
 * Other — an exit code not related to the updater may have been raised. Consult the logs to identify which command returned the exit code.
 # AUTHORS
 * Ethan Smith-Coss
 # CONTRIBUTORS
 * Robert Morrison — Documentation
 ## Contacting
 All contacts should be done through Issues on Gitea.
--- a/source.list
+++ b/source.list
@ -1,3 +1,3 @@
 [host] https://packages.microsoft.com
-[dists=amd64] https://packages.microsoft.com/repos/edge/dists stable main
+[dists=amd64,beta] https://packages.microsoft.com/repos/edge/dists stable main
 [pool] https://packages.microsoft.com/repos/edge/
--- a/365
+++ b/365
@ -1,365 +0,0 @@
 #!/bin/bash
 #########################################################################
 #                                                                       #
 #        updater - Automatically update Microsoft Edge on Solus         #
 #                                                                       #
 #                             Dependencies:                             #
 #                                 wget                                  #
 #                                gunzip                                 #
 #                                  tar                                  #
 #                       sort (coreutils >= 8.32)                        #
 #                                                                       #
 #                                                                       #
 #         Disclaimer: This version only works for MS Edge Beta.         #
 #          A later release may allow for update of Dev builds           #
 #                         and potentially both.                         #
 #                                                                       #
 #                       Author: Ethan Smith-Coss                        #
 #                            Version: 0.1.2                             #
 #                    Created: 2021-05-20T16:47+0100                     #
 #                 Last Modified: 2021-05-23T21:18+0100                  #
 #                                                                       #
 #                 ####################################                  #
 #                                                                       #
 #        updater - Automatically update Microsoft Edge on Solus         #
 #                   Copyright ©️ 2021 Ethan Smith-Coss                   #
 #                                                                       #
 # This program is free software: you can redistribute it and/or modify  #
 # it under the terms of the GNU General Public License as published by  #
 #   the Free Software Foundation, either version 3 of the License, or   #
 #                  (at your option) any later version.                  #
 #                                                                       #
 #    This program is distributed in the hope that it will be useful,    #
 #    but WITHOUT ANY WARRANTY; without even the implied warranty of     #
 #     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the     #
 #             GNU General Public License for more details.              #
 #                                                                       #
 #   You should have received a copy of the GNU General Public License   #
 # along with this program.  If not, see <http://www.gnu.org/licenses/>. #
 #                                                                       #
 #########################################################################
 ## program name
 prog_name="Microsoft Edge Updater"
 ## version
 version="0.1.2"
 ## usage statement
 usage="Usage: $(basename $0) [OPTION]
 $prog_name ($version) - An updater program which can install the latest available version of Microsoft Edge to non-Debian-based Linux distros.
 DISCLAIMER: Currently this program can only update the Beta release of Microsoft Edge for amd64 architectures.
 Options:
  -y, --yes-all    Assume yes to all yes/no decisions.
  -v, --version    Print out the version of the script and exit.
      --help       Print this help message and exit
 "
 runtime_dir=$(realpath "${BASH_SOURCE[0]}" | xargs -r dirname)
 log_file="$runtime_dir/.log.1"
 logs_dir="$runtime_dir/logs"
 tmp_path="/tmp/microsoft-edge-autoupdater"
 garbage="$tmp_path/garbage.tmp"
 SECONDS=0
 [[ ! -d "$logs_dir" ]] && mkdir "$logs_dir"
 [[ ! -d "$tmp_path" ]] && mkdir "$tmp_path"
 function clean_up {
 	log "DEBUG" "EXIT signal was raised, cleaning up system after session before exiting..." "$log_file"
 	printf "Cleaning up system after session..."
 	cp "$log_file" "$logs_dir/updater.log" && rm "$log_file"
 	[[ -d "$tmp_path/opt" ]] && rm -r "$tmp_path/opt"
 	[[ -d "$tmp_path/usr" ]] && rm -r "$tmp_path/usr"
 	log "CLEANER" "Finished cleaning up system after session. Nice and clean :D Goodbye." "$runtime_dir/logs/updater.log"
 	echo "done. Goodbye."
 	elapsed_time=$SECONDS
 	script_time="$(($elapsed_time / 60))m $(($elapsed_time % 60))s"
 	log "END" "Total time for script execution was: $script_time" "$runtime_dir/logs/updater.log"
 	echo >> "$runtime_dir/logs/updater.log"
 	cat "$logs_dir/updater.log" >> "$logs_dir/updater.history"
 }
 ## iterate over all user inputs
 while test $# -gt 0 ; do
 	case $1 in
 		-y | --yes-all)
 			yes_flag=0 ; shift
 			;;
 		--help)
 			echo "$usage"
 			exit 0
 			;;
 		-v | --version)
 			echo "$prog_name ($version)"
 			exit 0
 			;;
 		*)
 			shift
 			;;
 	esac
 done
 source "$runtime_dir/utils/common"
 log "PREINIT" "----[New instance of script has been started: $(date -Iseconds)]----" "$log_file"
 ## setup the yes flag to automatically accept all yes/no inputs
 yes_flag="${yes_flag:-1}"
 log "DEBUG" "The yes flag has been set to: $yes_flag." "$log_file"
 # set trap to trigger clean up function on any exit
 trap clean_up EXIT
 ## check if Microsoft Edge (Beta) is already installed
 exit_code=$(command -v microsoft-edge-beta &>/dev/null)
 [[ ! $exit_code -eq 0 ]] && { echo "Microsoft Edge (Beta) is not installed. Exiting updater..." ;
 log "DEBUG" "Microsoft Edge (Beta) not recognised as an installed program. Exiting...(1)" ; exit 1 ; }
 log "DEBUG" "Microsoft Edge (Beta) is installed to system. Proceeding with update..." "$log_file"
 ## ensure source.list exists
 source_list="$runtime_dir/source.list"
 log "DEBUG" "Checking for a source.list in current runtime directory..." "$log_file"
 printf "Checking for source.list..."
 [[ ! -f "$source_list" ]] && { echo -e "\nUpdater encountered an issue: source.list not found. Exiting..." ; 
 log "ERROR" "Cannot find source.list in runtime directory ($source_list). Exiting...(2)" "$log_file" ; exit 2 ; }
 log "DEBUG" "Found a souce.list in $runtime_dir." "$log_file"
 echo "found."
 ## ensure host is reachable
 host=$(grep "\[host\]" "$source_list" | cut -d' ' -f 2)
 log "DEBUG" "Checking if host is available according to defined value of [host]: $host..." "$log_file"
 echo "Checking to see if the host is known and reachable..."
 if ! wget --spider "$host" >/dev/null 2>&1 ; then
 	echo "Cannot reach end-point for distribution information. Check your Internet connection and try again. Exiting..."
 	log "DEBUG" "Upstream end-point is cannot be contacted. Potential Internet connection issue or end-point address ($dist_upstream). Exiting...(3)" "$log_file"
 	exit 3
 fi
 log "DEBUG" "Host is known and reachable. Continuing update to fetch data..." "$log_file"
 echo "Host known and reachable: (host) $host"
 ## identify the end-point URL for distribution information
 dist_upstream=$(grep "\[dists.*\]" "$source_list" | cut -d' ' -f 2-4 --output-delimiter '/')
 archi=$(grep -o "\[dists.*\]" "$source_list" | sed -E 's/\[dists=(.*)\]/\1/')
 log "DEBUG" "Fetching Packages file from $dist_upstream for $archi architectures..." "$log_file"
 ## fetch the file - :@Ethan: there's no reason to inform the user of this operation unless it fails
 exit_code=$(wget -a "$log_file" -O "$tmp_path/Packages.gz" "$dist_upstream/binary-$archi/Packages.gz")
 [[ ! $exit_code -eq 0 ]] && { echo "There was an issue retrieving the package information for the update. Please check $logs_dir/updater.log, for more information. Exiting..." ;
 	log "DEBUG" "Encountered an issue with wget. Exiting...(4)" "$log_file" ; exit 4 ; }
 log "DEBUG" "Successfully downloaded release package information." "$log_file"
 log "DEBUG" "Fetching Contents-$archi.gz from ${dist_upstream::-4}" "$log_file"
 exit_code=$(wget -a "$log_file" -O "$tmp_path/Contents-$archi.gz" "${dist_upstream::-4}/Contents-$archi.gz")
 [[ ! $exit_code -eq 0 ]] && { echo "There was an issue retrieving the package contents for the update. Please check $log_file/updater.log, so more information. Exiting..." ;
 	log "ERROR" "Encountered an issue with wget. Exiting...(4)" "$log_file" ; exit 4 ; }
 log "DEBUG" "Successfully downloaded release contents information." "$log_file"
 ### :@TODO: continue with TODO list. Finish off above code section to ensure wget is successful and logging appropriately.
 log "DEBUG" "Uncompressing downloaded gz file using gunzip, $tmp_path/Packages.gz..." "$log_file"
 ## force gunzip to overwrite decompressed file if it already exists
 gunzip -f "$tmp_path/Packages.gz" "$tmp_path/Contents-$archi.gz" >/dev/null 2>&1
 log "DEBUG" "Successfully uncompressed content." "$log_file"
 ## get the most recent package entry from Packages list for Beta version of browser
 log "DEBUG" "Identifying the most recent package information from Packages catelogue..." "$log_file"
 ## find the earliest entry for Edge Beta release
 start_point=$(grep -n 'Package:.*-beta' "$tmp_path/Packages" | tr '\n' ' ' | cut -d: -f1)
 ## make a list of all lines which are blank - used to identify end of package information entry
 end_points=( $(grep -n '^\s*$' "$tmp_path/Packages" | sed 's/://g') )
 ## loop over all potential end points
 for (( i=0 ; i<"${#end_points[@]}"; i++)) ; do
 	## if the end point is greater than start point, set $end_point to the index of i
 	### :@NOTE: this will more often then not be the first value in the array. However,
 	### if a dev release comes out before the next beta version, the package entry may be
 	### much later in the file. We break once the correct end point is found.
 	[[ "${end_points[$i]}" -gt $start_point ]] && end_point="${end_points[$i]}" && break
 done
 ## adjust the start and end point values
 ((start_point--)) ; ((end_point++))
 ## this ensures end_point is set. :@Ethan: I could just test if the variable exists but I like the clarity of this for now
 end_point="${end_point:--1}"
 ## if for some reason $end_point is set to -1, we have an issue with the Packages file and should exit
 [[ $end_point -eq -1 ]] && { log "ERROR" "EOF reached and indexing out of bounds value has been set. Exiting...(5)" "$log_file" ; exit 255 ; }
 ## extrapolate the package information and save to Release
 package_entry=$(awk -v start=$start_point -v end=$end_point 'NR>1*start&&NR<1*end' "$tmp_path/Packages" > "$tmp_path/Release")
 log "DEBUG" "Extrapolated most recent package information entry from $tmp_path/Release. Package information selected is as below:" "$log_file"
 ## pretty print each line when appending to make it easier to read in log file
 sed 's/^/  (Release Info)   /' "$tmp_path/Release" | sed -E 's/(^\s*\(Release Info\)\s*$)/\1(END)/' >> "$log_file"
 ### :@Ethan: at this point we can start ensuring that a newer release is available, inform the user of the new size,
 ### check dependences, and just ensure the user wants to go ahead with the update.
 ## get the current version number and the version in Release
 current_version=$(microsoft-edge-beta --version | cut -d' ' -f3)
 release_version=$(grep 'Version' "$tmp_path/Release" | sed -E 's/Version:\s*(.*)-.*/\1/')
 log "DEBUG" "Checking if there is an update available (release: $release_version) or if most recent version is already installed to the system..." "$log_file"
 ## compare the versions - using sort -V.
 if [[ "$release_version" == "$current_version" ]]; then
 	upgradeable=1
 else
 	[[ "$current_version" != "$(echo -e "$current_version\n$release_version" | sort -V | head -n2)" ]] && upgradeable=0
 fi
 ## this should never be substituted to 1 - but it's a cover if the release version happens to be behind the current version
 ##"${upgradeable:=1}"
 upgradeable=${upgradeable:-1}
 ## check if we can upgrade, can exit 1 for passive exit - exit not notifying a failure for another reason
 if [[ $upgradeable -eq 1 ]] ; then 
 	elapsed_time=$SECONDS
 	script_time="$(($elapsed_time / 60))m $(($elapsed_time % 60))s"
 	echo "Most recent version of Microsoft Edge (Beta) [v$current_version] is already installed on this system, no need to update. Finished in $script_time"
 	log "DEBUG" "Most recent version of Microsoft Edge (Beta) is already installed to the system (v$current_version). Completed in $script_time. Exiting...(1)" "$log_file"
 	exit 1
 fi
 log "DEBUG" "There is a more recent release of Microsoft Edge (Beta) available for download (v$release_version). Continuing with update."
 echo "Identified a new release of Microsoft Edge (Beta) [Current: v$current_version. New: v$release_version]. Starting the download and installation process..."
 ## check if msedge process is already running
 is_running=$(ps -aux | grep -oc 'msedge')
 if [[ $is_running -gt 1 ]] ; then
 	log "DEBUG" "Identified running processes for msedge. Determining how script should handle process..." "$log_file"
 	if [[ ! $yes_flag -eq 0 ]] ; then
 		echo -n "Microsoft Edge (Beta) is already open. To continue update, the browser must be closed. Are you sure you wish to proceed? [(Y)es/No]: " && read -n 1 choice ; echo
 		[[ $(echo $choice | awk '{print tolower($0)}') == "n" ]] && { log "DEBUG" "User opted against allowing the script to close Microsoft Edge (Beta) by default. Exiting...(1)" "$log_file" ; exit 1 ; }
 	fi
 	log "DEBUG" "Confirmation has been given to proceed with killing Microsoft Edge (Beta) processes. Killing msedge..." "$log_file"
 	exit_code=$(killall msedge)
 	[[ ! $exit_code -eq 0 ]] && { log "ERROR" "Process is refusing to exit. Sending SIGKILL signal." "$log_file" ;
 		pkill -9 msedge ; }
 fi
 log "DEBUG" "Microsoft Edge (Beta) has been closed, either by yes flag enabled or by user decision. Process may not have been running thus never killed." "$log_file"
 # Download the newest version of Microsoft Edge (Beta)
 ## get the end-point for .deb file location and filename
 pool=$(grep '\[pool\]' "$source_list" | cut -d' ' -f2)
 filename=$(grep 'Filename:.*' "$tmp_path/Release" | cut -d' ' -f2)
 url="$pool$filename" ## set URL to be concatenation of pool + filename
 ## check if the file end-point is actually reachable before trying to download
 log "DEBUG" "Checking the following release version file end-point is accessible ($url)..." "$log_file"
 ### :@Ethan: This is trying to download the file for a response so effectively we will be doing the same work twice
 ### so is inefficient for testing if the end-point is reachable. ping and telnet are not suitable for this operation.
 ### An assumption will have to be made for now.
 ### :@Ethan: The above message has been addressed and wget commands for checking end-points has been changed from
 ### `wget -qO- [URL] >/dev/null 2>&1` to: `wget --spider [URL] >/dev/null 2>&1`. Check manpage for more about the
 ### spider argument.
 if ! wget --spider "$url" >/dev/null 2>&1 ; then
 	echo "Cannot reach end-point for latest release. Check your Internet connection and try again."
 	log "DEBUG" "Pool end-point is cannot be contacted. Potential Internet connection issue or end-point address ($url). Exiting...(5)" "$log_file"
 	exit 5
 fi
 log "DEBUG" "Pool is known and reachable. Beginning download..." "$log_file"
 echo "Host known and reachable: (download) $url"
 ## set filename to not be pool address but the name of file
 filename=$(echo "$url" | rev | cut -d'/' -f1 | rev)
 filesize=$(grep '^Size:.*' "$tmp_path/Release" | cut -d' ' -f2)
 log "DEBUG" "Checking if user wishes to proceed with the update installation..." "$log_file"
 ## inform the user of the new download size before downloading
 if [[ $yes_flag -eq 1 ]] ; then
 	echo -n "The following package will be installed, $filename [$filesize]. Are you sure you wish to continue? [(Y)es/No]: " && read -n 1 choice
 	[[ "$(echo $choice | awk '{print tolower($0)}')" == "n" ]] && { echo -e "\nThe following update to Microsoft Edge (Beta) v$release_version will not be installed. Exiting updater..." ;
 	log "DEBUG" "User opted out for updating from $current_version to $release_version. Exiting...(1)" "$log_file" ; exit 1 ; }
 	echo
 fi
 log "DEBUG" "Confirmation has been given to proceed with the following update of Microsoft Edge (Beta) [v$release_version]." "$log_file"
 # download the debian file
 log "DEBUG" "Checking if the file is already downloaded to the system..." "$log_file"
 if [[ ! -f "$tmp_path/$filename" ]] ; then
 	log "DEBUG" "Downloading the latest release version [v$release_version], file: $filename (URL: $url)" "$log_file"
 	echo "Downloading the following release file: $filename. This may take a moment..."
 	wget_timed=$(\time --format "%x:%e" wget -a "$tmp_path/wget_dump.log" -O "$tmp_path/$filename" "$url" 2>&1)
 	exit_code=$(echo $wget_timed | cut -d: -f1)
 	[[ ! $exit_code -eq 0 ]] && { echo "There was an issue downloading the Debian version of Microsoft Edge (Beta)." \
 		"Please check $logs_dir/updater.log, for more information. Exiting update..." ;
 		log "DEBUG" "Encountered an issue with wget. Exiting...(6)" "$log_file" ; exit 6 ; }
 	awk -v end=$(grep -n '^\s*$' "$tmp_path/wget_dump.log" | tr '\n' ' ' | cut -d: -f1) 'NR>1*0&&NR<1*end+1' "$tmp_path/wget_dump.log" >> "$log_file"
 	log "DEBUG" "Download completed successfully in $(echo $wget_timed | cut -d' ' -f2)s, wget log below." "$log_file"
 	printf "Download complete in $(echo $wget_timed | cut -d' ' -f2)s. Validating checksums..."
 else
 	log "DEBUG" "File already downloaded to system. Skipped download and verifying checksum..." "$log_file"
 	printf "Latest Debian release file is downloaded to the system, skipping download. Validating checksums..."
 fi
 ## verify the downloaded file 
 if [[ "$(sha256sum "$tmp_path/$filename" | cut -d' ' -f1)" != "$(grep 'SHA256:.*' "$tmp_path/Release" | cut -d' ' -f2)" ]] ; then
 	## automatically remove the file - :@Ethan: it's either corrupt or hazardous to the health of the system
 	rm "$tmp_path/$filename"
 	log "DEBUG" "Checksum (SHA256) failed and integrity of file lost. File has been removed as either corrupt or hazardous/dangerous. Exiting...(7)" "$log_file"
 	echo -e "failed.\nThe checksum (SHA256) failed for some reason and removed either because it was corrupt or dangerous. Exiting updater...\n"
 	exit 7
 fi
 echo "complete."
 # unarchive the .deb file and extract data.tar.gz
 log "DEBUG" "Unarchiving the downloaded DEB file ($tmp_path/$filename)..." "$log_file"
 printf "Unzipping download..."
 ## use ar to unarchive .deb file
 exit_code=$(ar vx "$tmp_path/$filename" --output "$tmp_path" >/dev/null 2>&1)
 [[ ! $exit_code -eq 0 ]] && { echo -e "incomplete.\nThere was an issue unarchiving $filename. Exiting updater...\n" ;
 	log "ERROR" "There was an issue when unarchiving $filename. Exiting...(8)" "$log_file" ; exit 8 ; }
 log "DEBUG" "Successfully unarchived $filename, decompressing the data.tar.gz file..." "$log_file"
 ## extract data from data.tar.gz
 exit_code=$(tar --overwrite -xvf "$tmp_path/data.tar.xz" --directory "$tmp_path" >>"$log_file" 2>&1)
 [[ ! $exit_code -eq 0 ]] && { echo -e "incomplete.\nThere was an extracting data.tar.gz. Exiting updater...\n" ;
 	log "ERROR" "There was an issue when decompressing data.tar.gz using tar -xvf. Exiting...(8)" "$tmp_path" ; exit 8 ; }
 log "DEBUG" "Successfully extracted files from data.tar.gz." "$log_file"
 echo "completed."
 ## etc/ directory only contains a cron daily directory, remove it
 rm -r "$tmp_path/etc/"
 # compress archive the currently installed version of Edge (Beta) for restoration on failure
 ## :@TODO: compress everything on the system for a backup. Remove it if installation of new version was successful
 log "DEBUG" "Creating an archive gzip tarball of system /opt/ and /usr/ directories..." "$log_file"
 printf "Installing new version to system. This may take a few minutes..."
 exit_code=$(archive_system "microsoft/msedge-beta")
 if [[ ! $exit_code -eq 0 ]] ; then
 	### :@Ethan: there was an issue with creating an archive, should probably inform the user to make a decision (unless -y is set)
 	echo -e "failed.\nThere was an issue creating a backup of the system. Exiting..."
 	log "ERROR" "There was an issue creating a gzip tarball of the system. Exiting...($exit_code)" "$log_file"
 	exit $exit_code
 fi
 log "DEBUG" "Successfully created an archive gzip tarball of the system. Safe to continue with installation." "$log_file"
 ### :@NOTE: used to terminate the program at a certain point for incremental testing of functionality recently added up to the point of this exit.
 #exit 0
 # install the new version to system
 log "DEBUG" "Copying files to there appropriate location..." "$log_file"
 exit_code=$(cp -r "$tmp_path/opt" "/" >>"$log_file" 2>&1)
 [[ ! $exit_code -eq 0 ]] && { echo -e "failed.\nThere was an issue installing files to the system. Reverting to previous version..." ; 
 	log "DEBUG" "There was an issue copying $tmp_path/opt/ file to system /opt/. Reverting system files and exiting...(9)" "$log_file" ; restore_files && exit 9 ; }
 exit_code=$(cp -r "$tmp_path/usr" "/" >>"$log_file" 2>&1)
 [[ ! $exit_code -eq 0 ]] && { echo -e "failed.\nThere was an issue installing files to the system. Reverting to previous version..." ; 
 	log "DEBUG" "There was an issue copying $tmp_path/usr/ file to system /usr/. Reverting system files and exiting...(9)" "$log_file" ; restore_files && exit 9 ; }
 log "DEBUG" "Successfully installed files to their appropriate location." "$log_file"
 echo "installation complete."
 ## confirm the update was successful - try to restore system otherwise
 ## :@TODO: validate new version has successfully installed properly - exit 12
 if [[ "$(microsoft-edge-beta --version | cut -d' ' -f3)" != "$release_version" ]] ; then
 	log "ERROR" "There was an issue with the update and installation. Restoring to previous version..." "$log_file"
 	printf "Update was unsuccessful. Restoring to previous version..."
 	## attempt restoration of system
 	return_code=$(restore_files "microsoft/msedge-beta")
 	[[ $return_code -eq 12 ]] && { echo -e "failed.\nThere was an error trying to restore system files." \ 
 		"Either there no back was made or another issue occurred. Consult $log_file for more information." ; exit $return_code ; }
 	log "DEBUG" "System restoration was successful, safe to use; however, the update was still failed. Exiting...(11)" "$log_file"
 	echo -e "completed. However, there was still an issue trying to update Microsoft Edge (Beta) to the latest version." \
 		"Consult $log_file for more information. Exiting..."
 	exit 11
 fi
 elapsed_time=$SECONDS
 script_time="$(($elapsed_time / 60))m $(($elapsed_time % 60))s"
 log "DEBUG" "Installation and update was successful (completed in: $script_time) and system can be cleaned up to remove any waste." "$log_file"
 echo "Microsoft Edge (Beta) has been successfully updated to the latest version: v$release_version, in $script_time."
--- a/utils/common
+++ b/utils/common
@ -1,19 +1,21 @@
 #!/bin/bash
 #########################################################################
-#        common - Utility file with common functions for updater        #
+#    common - Utility file with common functions for msedge-updater     #
 #                                                                       #
 #                             Dependencies:                             #
 #                                 bash                                  #
 #                          coreutils (>=8.32)                           #
 #                                  tar                                  #
 #                                                                       #
 #                                                                       #
 #                       Author: Ethan Smith-Coss                        #
-#                            Version: 0.1.2                             #
+#                            Version: 0.1.4                             #
 #                    Created: 2021-05-20T16:47+0100                     #
-#                 Last Modified: 2021-05-23T23:06+0100                  #
+#                 Last Modified: 2021-06-22T16:57+0100                  #
 #                                                                       #
 #                 ####################################                  #
 #                                                                       #
-#        common - Utility file with common functions for updater        #
+#    common - Utility file with common functions for msedge-updater     #
 #                   Copyright ©️ 2021 Ethan Smith-Coss                   #
 #                                                                       #
 # This program is free software: you can redistribute it and/or modify  #
@ -31,8 +33,9 @@
 #                                                                       #
 #########################################################################
 # logging function called to log information to a file.
 function log {
-	local log_out=$(realpath "${0%/*}/../.log.1")
+	local log_out=$(realpath "${0%/*}/.log.1")
 	[[ $# -eq 0 ]] && log "ERROR" "Log function was called without any arguments. Returning 1." "$log_out" && return 1
 	[[ ! $# -eq 3 ]] && log "ERROR" "Log function expected at least 3 arguments, recieved $#. Returning 1." "$log_out" && return 1
 	$(echo "$(date -Iseconds) ($1): $2" >> "$3") >/dev/null 2>&1
@ -41,32 +44,77 @@ function log {
 	return 0
 }
 # archive function used to create an archive compression of Microsoft Edge
 function archive_system {
-	local log_out=$(realpath "${0%/*}/../.log.1")
+	local log_out=$(realpath "${0%/*}/.log.1")
 	[[ -e $1 ]] && log "ERROR" "Archive function was called without any arguments." "$log_out"
-	local archive_output="$/tmp/microsoft-edge-autoupdater/$(echo $1 | sed 's/\//_/').tar.gz"
+	local archive_output="/tmp/microsoft-edge-autoupdater/$(echo $1 | sed 's/\//_/').tar.gz"
 	[[ -f "$archive_output" ]] && return 0
-	exit_code=$(grep 'usr/.*' "/tmp/microsoft-edge-autoupdater/Contents-amd64" | tar --overwrite -cvzf "$archive_output" "/opt/$1/" >>"$log_out" 2>&1 )
+	## identify the files required for compressing
 	usr_files="$(grep -E '^usr/.*beta.*$' "/tmp/microsoft-edge-autoupdater/Contents-amd64" | awk '{print "/" $1}')"
 	opt_files="$(ls -1 "/opt/$1/" | sed -E "s/^(.*)$/\/opt\/"$(echo $1 | sed 's/\//\\\//')"\/\1/g")"
 	### :@Ethan: we need to identify all the symlinked files and store them in a record. When we decompress we reinstate the symlinks.
 	## This file is only stored temporarily and any symlinks will be removed from the identified files for compression.
 	symlink_record="/tmp/microsoft-edge-autoupdater/symlink-record"
 	ls -l $opt_files $usr_files | grep -Eo ':.*->.*$' | sed 's/\s->\s/:/g' | cut -d' ' -f2- > "$symlink_record"
 	## remove identified symlink files from lists
 	while read -r record ; do
 		record=$(echo "$record" | cut -d: -f1)
 		[[ "$record" =~ \/usr\/ ]] && record=$(echo $record | sed 's/\//\\\//g') && usr_files=$(echo "$usr_files" | sed "s/^"$record"$//") && continue
 		[[ "$record" =~ \/opt\/ ]] && record=$(echo $record | sed 's/\//\\\//g') && opt_files=$(echo "$opt_files" | sed "s/^"$record"$//")
 	done < <(cat $symlink_record)
 	## use gzip compression to create the tarball archive
 	tar --overwrite -czf "$archive_output" $opt_files $usr_files  > "/tmp/microsoft-edge-autoupdater/tar_dump.log" 2>>"$log_out"
 	exit_code=$?
 	[[ ! $exit_code -eq 0 ]] && { log "ERROR" "(Archive) There was an issue creating the archive file of system. Returning...(10)" "$log_out" ; return 10 ; }
 	return 0
 }
 # restoration function called at any point when the update fails during an installation process.
 function restore_files {
-	local log_out=$(realpath "${0%/*}/../.log.1")
+	local log_out=$(realpath "${0%/*}/.log.1")
 	[[ -e $1 ]] && log "ERROR" "Restore function was called without any arguments." "$log_out"
-	local backup_file="/tmp/microsoft-edge-autoupdater/$(echo $1 | 's/\/_/').tar.gz"
+	backup_file="/tmp/microsoft-edge-autoupdater/$1.tar.gz"
-	[[ -f "$backup_file" ]] && { log "ERROR" "There is no backup of Microsoft Edge (Beta) identified. Restoration not possible." "$log_out" ; return 12 ; }
+	[[ ! -f "$backup_file" ]] && { log "ERROR" "There is no backup of Microsoft Edge (Beta) identified. Restoration not possible." "$log_out" ; return 12 ; }
-	exit_code=$( tar -xvzf "$backup_file" "/" >>"$log_out" 2>&1)
+
 	## decompress the tarball archive using gzip and overwrite all files in the archive on the system
 	tar --overwrite -xzf "$backup_file" -C "/" > "/tmp/microsoft-edge-autoupdater/tar_dump.log" 2>>"$log_out"
 	exit_code=$?
 	[[ ! $exit_code -eq 0 ]] && { log "ERROR" "There was an issue restoring pervious files to system." \
 		"The backup created will not be removed to allow for manual restoration. Returning...(12)" ; return 12 ; }
 	## recreate the symlinks
 	log "DEBUG" "Re-establishing symlinks..." "$log_out"
 	symlink_record="/tmp/microsoft-edge-autoupdater/symlink-record"
 	while read -r record ; do
 		symlink="$(echo $record | cut -d':' -f1)"
 		symlink_to="$(echo $record | cut -d':' -f2)"
 		### :NOTE: symlinks may already exist from new update and theoretically could be different in a newer version. Remove them first
 		rm "$symlink"
 		## create new sylinks based on the restored files
 		ln -s "$symlink_to" "$symlink" >/dev/null 2>>"$log_out"
 		exit_code=$?
 		[[ ! $exit_code -eq 0 ]] && { log "ERROR" "There was an issue trying to create a symlink to "$symlink_to"" "$log_out" ; continue ; }
 		log "DEBUG" "Successfully created symlink: "$symlink" -> "$symlink_to"" "$log_out"
 	done < <(cat $symlink_record)
 	log "DEBUG" "Symlinks re-established." "$log_out"
 	return 0
 }
 # notification function used to send the user a notification via the dbus
 function notify {
-	## :@TODO: implement notification system.
+	local log_out=$(realpath "${0%/*}/.log.1")
 	[[ $# -eq 0 ]] && log "ERROR" "Notify function was called without any arguments. Returning 1." "$log_out" && return 1
 	[[ ! $# -eq 2 ]] && log "ERROR" "Notify function expected at least 2 arguments, recieved $#. Returning 1." "$log_out" && return 1
 	notify-send "$1" "$2" >>"$log_out" 2>&1 && tput bel
 	exit_code=$?
 	[[ ! $exit_code -eq 0 ]] && log "ERROR" "There was an issue send a notification to the system." "$log_out"
 	return 0
 }
Author	SHA1	Message	Date
Ethan Smith-Coss	1c72887160	Update 'README.md' Updated logo to use, now using the newly created logos. Updated the opening section to be more clear and reflective of the software (was somewhat outdated). Signed-off-by: Ethan Smith-Coss <ethan.sc@closedless.xyz>	2022-03-13 22:34:26 +00:00
Ethan Smith-Coss	a794d16bc3	Delete 'msedge-updater-logo.svg' Removed old graphic Signed-off-by: Ethan Smith-Coss <ethan.sc@closedless.xyz>	2022-03-13 22:31:48 +00:00
Ethan Smith-Coss	8fafc52c8c	Delete 'msedge-updater-logo.png' Removed old graphic. Signed-off-by: Ethan Smith-Coss <ethan.sc@closedless.xyz>	2022-03-13 22:31:34 +00:00
Ethan Smith-Coss	19f30e07e0	Delete 'assets/msedge-updater-logo(icon).png' Removed graphic that should not have been part of the upload. Potential bug which should be reported to admin to determine if Gitea related bug, or backend configuration. Signed-off-by: Ethan Smith-Coss <ethan.sc@closedless.xyz>	2022-03-13 22:31:05 +00:00
Ethan Smith-Coss	d3bad0d47a	Uploaded new icon graphics Newly revised msedge-updater graphics which can also be used as system icons. Both SVG and PNG files available. Signed-off-by: Ethan Smith-Coss <ethan.sc@closedless.xyz>	2022-03-13 22:29:41 +00:00
Ethan Smith-Coss	9a3c516fe3	Merge pull request 'program-rename (LTS)' (#1 ) from program-rename into main Reviewed-on: #1	2022-02-20 14:37:20 +00:00
TheOnePath	4f58db256e	Ammended bug fix The bug fix in commit `9ff1b6e` has been re-addressed due to a potential edge case to cause another bug to occur as a result. This fix was implemented as a result from the review on PR: #1 (comment)	2022-02-17 23:27:03 +00:00
TheOnePath	c25a6fc062	Updated README.md Updated contact information for Ethan.	2022-02-15 22:39:29 +00:00
TheOnePath	1757548491	Updated README.md	2021-12-09 17:33:01 +00:00
TheOnePath	a44a69e568	Updated version Updated the version to 0.2.1 for minor changes	2021-12-09 17:23:05 +00:00
TheOnePath	9ff1b6e40e	Fixed bug Since file was renamed to `msedge-updater`, check if Edge process is running with simply "msedge" is no longer suitable. - changed this to "msedge-$edge-channel"	2021-12-09 17:15:06 +00:00
TheOnePath	203640aa3b	Updated name of program Renamed the program from 'updater' to 'msedge-updater'. Updated all files related to the original name to adopt new name.	2021-09-09 15:47:38 +01:00
TheOnePath	1100a67d0b	Update 'README.md' Added the Microsoft Edge Updater logo to the README.md Signed-off-by: TheOnePath <theonepath@noreply.localhost>	2021-09-09 14:59:20 +01:00
TheOnePath	c4510b2bef	Added logos Added the Microsoft Edge Updater logos to the main branch. Signed-off-by: TheOnePath <theonepath@noreply.localhost>	2021-09-09 14:49:51 +01:00
TheOnePath	2d00ffeda4	Updated updater and fixed bugs Fixed minor bugs that do not cause major issues for updating. Changed the behaviour of killing the msedge process - enter a loop if process is still identified as running. - attempted to kill process 3 times and wait 2 seconds between each attempt. - if failed 3 times, log and exit 253.	2021-07-02 13:38:05 +01:00
TheOnePath	05ef201cff	Updated README.md Changed usage message respectable to the help screen.	2021-07-01 14:12:27 +01:00
TheOnePath	e1c95d1b73	Updated help message Changed help message to match documentation	2021-07-01 14:11:54 +01:00
TheOnePath	e1c3f9f1cc	Fixed bug Identified bug around line 400 where line started with 'r[['. Removed 'r' from the start of the line.	2021-07-01 13:56:14 +01:00
TheOnePath	664655bc65	Merge branch 'main' of https://robmc.duckdns.org/git/TheOnePath/Microsoft-Edge-Updater	2021-07-01 13:53:55 +01:00
TheOnePath	0dc7f2ca17	Merge pull request 'documentation' (#5 ) from documentation into main Reviewed-on: https://robmc.duckdns.org/git/TheOnePath/Microsoft-Edge-Updater/pulls/5	2021-07-01 13:53:22 +01:00
TheOnePath	4a8f5a3a8b	Fixed spelling	2021-07-01 13:49:27 +01:00
TheOnePath	6c46a42e78	Fixed spelling Fixed typos identified in PR review. Updated manpage accordingly by generation.	2021-07-01 13:32:24 +01:00
TheOnePath	bb181e630c	Updated README.md to v0.2.0	2021-06-30 15:49:38 +01:00
TheOnePath	24dfa44ba7	Merge remote-tracking branch 'origin/main' into documentation	2021-06-30 15:43:18 +01:00
TheOnePath	f7dff7e7d8	Changed version to no longer be in alpha.	2021-06-30 15:42:52 +01:00
TheOnePath	4cf35ddf28	Updated documentation to v0.2.0 Updated markdown form of manpage to v0.2.0 with respectable changes to what was changed in updater v0.2.0. Manpage updated via pandoc generation of markdown form.	2021-06-30 15:39:05 +01:00
TheOnePath	21889a7362	Updated updater Added quiet operation - this will prevent STDOUT and STDERR from being displayed to the terminal, unless a decision is encountered - will not assume yes. - notifications are still sent since '--no-notify' can be used. All echo statements responsible for outputting have been changed to initial check if script is running in quiet mode. 'printf' statements which do not serve a specific purpose have been changed to 'echo' commands. 'echo' statements that are responsible for displaying error messages are now sent over STDERR instead of STDOUT. Added '--full-clean' argument which will remove any possibly generated files, by updater, from the system, including logs.	2021-06-24 15:51:05 +01:00
TheOnePath	0f397879d7	Merge branch 'main' of https://robmc.duckdns.org/git/TheOnePath/Microsoft-Edge-Updater	2021-06-24 00:01:06 +01:00
TheOnePath	9094d209df	Updated updater to v0.2 The channel for Edge to be updated can be changed between dev and beta. - all hardcoded values which contained the keyword "beta" have been replaced with a variable substitute. Moved the source.list check statement before checking if Edge is installed to determine which channel is being used that session. - the channel is determined from the source.list file, alternatively using the '-c \| --set-channel=' flag. Updated preamble and help message display. Other fixes.	2021-06-23 23:50:54 +01:00
TheOnePath	f48c5a8a22	Updated .gitignore Added to ignore my TODO list file.	2021-06-23 23:48:30 +01:00
TheOnePath	54326d7052	Updated source.list to v0.2 source.list now takes an extra parameter in [dists]; the architecture followed by the Edge channel to update.	2021-06-23 23:47:09 +01:00
TheOnePath	fd95779cdd	Merge pull request 'documentation' (#4 ) from documentation into main Reviewed-on: https://robmc.duckdns.org/git/TheOnePath/Microsoft-Edge-Updater/pulls/4	2021-06-23 11:28:54 +01:00
TheOnePath	f2ca9217ba	Updated documentation according to review Chnaged documentation based on suggests in the PR review by Robert Morrison.	2021-06-23 11:26:17 +01:00
TheOnePath	a68ac1cbac	Merge remote-tracking branch 'origin/main' into documentation	2021-06-22 17:21:42 +01:00
TheOnePath	4e68936a6a	Committing extra changes missed Addition changes which are part of the previous commit but weren't added for tracking before committing.	2021-06-22 17:20:44 +01:00
TheOnePath	8522783a12	Updated updater Changed preamble and comments Changed the wording of some messages to the user and log. Program adds the backup archive to the garbage list if the restoration was successful.	2021-06-22 17:18:14 +01:00
TheOnePath	a2fcbb0512	Updated common Changed comments and preamble of script. 'backup_file' variable in 'restore_function' is now global to allow for removal of backup archive if the restoration was successful.	2021-06-22 17:16:09 +01:00
TheOnePath	198ee1d4dc	Updated documentation to v0.1.4 Added the '--mode' flag and desciption. Updated the dependencies required for updater to run. With these installed on any system, the program should run. Adjusted spacing layout of document. Updated manpage according to markdown using pandoc	2021-06-22 16:26:18 +01:00
TheOnePath	3ee9ca3936	Updated README.md to v0.1.4	2021-06-22 12:55:12 +01:00
TheOnePath	8f21f3903d	Fixed bug with debugging mode Script now takes flag '--mode=' appended with a mode. - only current mode is 'debug'. Use this to enter debug run mode. - script now outputs the session log is mode is in debug.	2021-06-21 18:31:52 +01:00
TheOnePath	39b0b06a8c	Updated .gitignore	2021-06-21 15:58:49 +01:00
TheOnePath	05e178b38b	Fixed bug with testing variable	2021-06-21 15:54:50 +01:00
TheOnePath	d2e13eb940	Updated common and fixed bugs Refactored 'archive_system' function - function now explicitly identifies which require compressing. - symbolic links are removed from the list(s) due to causing issues during the decompression stage when restoring the system. Symlinks are then stored in a record with the symlink name followed by the target. Both prefixed with paths to location and ':' delimited, respectfully. - system is then compressed using tar gzip compression, overwriting any previously generated archive generated. Refactored 'restore_system' function - changed 'backup_file' to no longer require the final sed command similar what's found in 'archive_function' - unnecessary processing. - fixed tar statement to correctly output the contents of the decompression to the root of the system ("/"). - added function to recreate the symlink files. It's unlikely that symlink files need replacing due to their behaviour; however, for clarity, the identified symlink files during archiving are recreated to their original location and linked to their target location. Removed trailing whitespaces.	2021-06-21 15:06:18 +01:00
TheOnePath	da6922a337	Updated updater and fixed bugs Added basic testing implementations - WIP: only outputs the log file at end of a run. - added option '--dev-test' to be used when running and testing the program. - practice of feature will be within a docker container but can equally been used on a native system. Created 'check_restoration' function for optimisation of repetition - simply ensures that the restoration at any point was successful. - if the restoration fails, the program logs and exits accordingly; otherwise, if it succeeded then at this point the program exits with a different exit code since something else went wrong to trigger a system restoration. - takes 2 arguments, the exit code of the restoration system and the exit code of the section which triggered the restoration. - refactored sections can be identified containing the 'check_restoration' function call. Removed trailing whitespaces.	2021-06-21 14:35:48 +01:00
TheOnePath	9ec3bacc9d	Fixed bug Logic error identifying if a backup file exists.	2021-06-15 23:51:25 +01:00
TheOnePath	0fb16f178d	Fixed bug Fixed issue with subshell command not being completed.	2021-06-15 23:33:19 +01:00
TheOnePath	00275314d7	Fixed bug Syntax bug in common file. Updated .gitignore to exclude Dockerfile during testing.	2021-06-15 16:47:18 +01:00
TheOnePath	11a90f8f92	Fixed bugs Changed the behaviour of tar to not be verbose and any output it placed in a tmp file, STDERR is redirected to logs. Bug with the format of exit code capture in updater that was fixed in common; however, those changes hadn't been made until now in updater.	2021-06-13 21:41:33 +01:00
TheOnePath	8340f56d2f	Updated documentation version number to 0.1.4	2021-06-05 16:56:44 +01:00
TheOnePath	a7bb0d2d80	Updated to v0.1.4 Fixed bugs and issues - Fixed issue in common script with incorrect exit code capture of subshells. - Changed tar command for decompressing data.tar.gz file to only log STDERR and void STDOUT. - Log function was called without correct arguments @ln:239. Message related to there being a new version available but wasn't logged.	2021-06-05 16:51:12 +01:00
TheOnePath	0cc68dff4c	Added .gitignore file	2021-06-04 21:49:15 +01:00
TheOnePath	3dc97f6d35	Removed log files	2021-06-04 21:49:00 +01:00
TheOnePath	f88fb0ee10	Merge pull request 'documentation' (#3 ) from documentation into main Reviewed-on: https://robmc.duckdns.org/git/TheOnePath/Microsoft-Edge-Updater/pulls/3	2021-06-04 21:21:54 +01:00
TheOnePath	8254c00f91	Merge branch 'documentation' of https://robmc.duckdns.org/git/TheOnePath/Microsoft-Edge-Updater into documentation	2021-06-04 21:05:18 +01:00
TheOnePath	5163e7c6b9	Applied patch to markdown provided by @robert	2021-06-04 21:04:44 +01:00
TheOnePath	27c75b3c9b	Merge branch 'main' into documentation	2021-06-04 19:23:01 +01:00
TheOnePath	4b7c9ba709	Updated documentation to v0.1.3	2021-06-04 19:22:28 +01:00
TheOnePath	5f5f97b106	Updated markdown manpage to match v0.1.3	2021-06-04 18:33:00 +01:00
TheOnePath	82b12aec1d	Merge pull request 'Formatting of Markdown' (#2 ) from robert/Microsoft-Edge-Updater:documentation into documentation Reviewed-on: https://robmc.duckdns.org/git/TheOnePath/Microsoft-Edge-Updater/pulls/2	2021-06-03 23:41:58 +01:00
Robert Morrison	93c0db0201	Updated To fix issues in review	2021-06-01 18:04:38 +01:00
TheOnePath	9665f610a5	Updated README.md to reflect license	2021-05-28 18:39:18 +01:00
TheOnePath	ad955c44a5	Updated README.md to v0.1.3	2021-05-28 18:37:06 +01:00
TheOnePath	eb1ed051d2	Updated common to v0.1.3 Common now contains a notify function which uses notify-send to provide a user with a notification when the function is called. - Function takes 2 inputs, {summary} and {body} which are respectful to the basic arguments for notify-send. - Function returns an issue with required amount of arguments aren't met. - Default arguments are used with notify-send, no other interaction is made possible. Updated backup functions to only log STDERR to file, which files are (de)compressed aren't fundamental to logging information and exact files can be checked appropriately via other means. Fixed bug with relative path being incorrect for operation of updater when sourcing in common.	2021-05-28 18:26:55 +01:00
TheOnePath	2add5afc7c	Updated updater to v0.1.3 Implemented notification system. - Send a notification to the user's system using the `notify` function in common. - Notifications are send on most important outcomes of the update session meaning program can have STDOUT piped to another location and still receive a message after operation. - Added the `--no-notify` flag to prevent notifications from being sent to the user. By default, notifications will be sent without this flag. - Program now checks to ensure the script is being ran with root privilages. Program will exit otherwise without notification. - Program now keeps track of garbage data to ensure a proper clean up after operation of a session. - Unnecessary large volumes of data sat in /tmp/ can be removed instantly to prevent taking up space which isn't required. File sizes significantly less can remain and cleared out on next restart of the system. - Updated usage message. - Changed some of the output messages. - Fixed bug with relative paths.	2021-05-28 18:09:13 +01:00
Robert Morrison	21c208a326	Formatting of Markdown I have formatted the markdown so it does what I understand you want. The dash used is an em dash `—` The pandoc command for converting the markdown into a manpage is `pandoc INFILE -s -t man -o OUTFILE` I have also provided a generated manpage	2021-05-24 16:29:15 +01:00
TheOnePath	59f8991c61	Updated manpage markdown	2021-05-24 13:26:33 +01:00
TheOnePath	d87f446ae4	Added manpage markdown file	2021-05-23 23:33:09 +01:00