Added upgrade implementation. Fixed pathspec.

hyprsolusctl

@@ -99,7 +99,7 @@ update () {
 
   echo "(hyprsolus) Updating additional scripts if needed."
   sudo cp -u "${HYPRSOLUS_PATH}/hyprsolusctl" "/usr/local/bin"
-  sudo cp -ru "${HYPRSOLUS_PATH}/systemd" "$HOME/.config/systemd/"
+  sudo cp -ru "${HYPRSOLUS_PATH}/systemd" "$HOME/.config"
   systemctl --user daemon-reload
 
   echo "(hyprsolus) Updating the dependencies if needed."
@@ -115,10 +115,10 @@ upgrade () {
   do
     case $1 in
       --ensure-integrity) shift ; eopkg_check=0 ;;
-      --ensure-deps-latest) shift ; deps_update=0 ;;
       *) echo "Ignoring argument $1" ;;
     esac
   done
+  echo "Upgrading Hyprland and components with hyprsolus."
 
   eopkg_check=${eopkg_check:-1}
   if [[ $eopkg_check -eq 0 ]]
@@ -137,7 +137,25 @@ upgrade () {
     echo "ok."
   fi
 
-  # TODO: Implement calls to make build system
+  # quick check for submodule initialisation
+  if git -C "$HYPRSOLUS_PATH" submodule status | grep --quiet '^-'
+  then
+    if ! git -C "$HYPRSOLUS_PATH" submodule update --init --recursive
+    then
+      >&2 echo "[FATAL] Git was not able to initialise submoules."
+      exit 4
+    fi
+  fi
+
+  cd "$HYPRSOLUS_PATH"
+  make clean && make
+  exit_code=$?
+  if [[ $exit_code -ne 0 ]]
+  then
+    >&2 echo "[FATAL] Something went wrong trying to upgrade. See above."
+    exit 5
+  fi
+  sudo make install
 }
 
 case $1 in