#!/bin/sh
# This file is gonna be hell, we need to make sure that we don't duplicate
# items on path.
# This includes resolving symlinks at the /bin level for merged-usr systems.

## PATH UPDATE FUNCTION

updatepath() {
	front=$1
	new="$(realpath "$2" 2>/dev/null)"

	if [ ! -d "$new" ]; then
		return
	fi

	case ":${PATH:=$new}:" in
		*:"$new":*) ;;
		*)
			if [ "$front" -eq 1 ]; then
				PATH="$new:$PATH"
			else
				PATH="$PATH:$new"
			fi
		;;
	esac
}

## Use the function to make changes to path.

## ensure the base path is there
updatepath 0 '/bin'
updatepath 0 '/sbin'
updatepath 0 '/usr/bin'
updatepath 0 '/usr/sbin'
updatepath 0 '/usr/local/bin'
updatepath 0 '/usr/local/sbin'
updatepath 0 '/snap/bin' # Because sometimes people use snap

## THIS MUST BE SOURCED AFTER XDG_SHENANIGANS FOR THIS TO WORK
updatepath 0 "$GOPATH/bin"
updatepath 0 "$GEM_HOME/bin"
updatepath 1 "$HOME/perl5/bin"
updatepath 0 "$DOTNET_ROOT/bin"
updatepath 0 "$DOTNET_ROOT/tools"
updatepath 0 "$CARGO_HOME/bin"
updatepath 1 "${XDG_DATA_HOME}/neovim/bin"
updatepath 0 "$HOME/.dotnet/tools"

## NOW WE ADD ~/.local/bin
## THIS IS SPECIAL SINCE IT ALLOWS FOR YOU ADD ALL SUB-DIRECTORIES TOO
## ALSO DIRECTLY MODIFIES PATH
if [ -d "${HOME}/.local/bin" ]; then
	Local=$(find -L "$HOME"/.local/bin -type d -not -path '*/.git*' -printf "%p:")
	PATH="${Local}${PATH}"
fi

export PATH