feat(poll): terminal executer for Snigdha OS

snigdhaos-launcher/PKGBUILD

@@ -0,0 +1,27 @@
+# Maintainer: Eshan Roy <eshan@snigdhaos.org>
+
+pkgname=snigdhaos-launcher
+org=Snigdha-OS
+pkgdesc="Terminal Executer for Snigdha OS"
+pkgver=1
+pkgrel=1
+arch=('any')
+license=('MIT')
+depends=(
+    'linotify'
+)
+source=(
+    "launch-terminal"
+)
+sha256sums=(
+    'SKIP'
+)
+
+pkgver(){
+    printf "r%s.%s" "$(git rev-list --count HEAD)" "$(git rev-parse --short HEAD)"
+}
+
+package() {
+    install -Dm755 launch-terminal "$pkgdir"/usr/lib/snigdhaos/launch-terminal
+    install -d "$pkgdir"/var/lib/snigdhaos/tmp
+}

snigdhaos-launcher/launch-terminal

@@ -0,0 +1,96 @@
+#!/usr/bin/bash
+set -e
+
+LAUNCH_TERMINAL_SHELL=bash
+
+usage() {
+	echo "Usage: ${0##*/} [cmd]"
+	echo '    -s [shell]         Change shell to [shell]'
+	echo '    -h                 This help'
+	exit 1
+}
+
+opts='s:h'
+
+while getopts "${opts}" arg; do
+	case "${arg}" in
+	s) LAUNCH_TERMINAL_SHELL="$OPTARG" ;;
+	h | ?) usage 0 ;;
+	*)
+		echo "invalid argument '${arg}'"
+		usage 1
+		;;
+	esac
+done
+
+shift $(($OPTIND - 1))
+
+initfile="$(mktemp)"
+codefile="$initfile"
+echo "#!/usr/bin/env bash" >"$initfile"
+if [ "$LAUNCH_TERMINAL_SHELL" != "bash" ]; then
+	codefile="$(mktemp)"
+	echo "$LAUNCH_TERMINAL_SHELL $codefile" >>"$initfile"
+fi
+echo "$1" >>"$codefile"
+chmod +x "$initfile"
+cmd="\"$initfile\""
+
+terminal=""
+declare -A terminals=(["alacritty"]="alacritty -e $cmd || LIBGL_ALWAYS_SOFTWARE=1 alacritty -e $cmd" ["konsole"]="konsole -e $cmd" ["kgx"]="kgx -- $cmd" ["gnome-terminal"]="gnome-terminal --wait -- $cmd" ["xfce4-terminal"]="xfce4-terminal --disable-server --command '$cmd'" ["qterminal"]="qterminal -e $cmd" ["lxterminal"]="lxterminal -e $cmd" ["mate-terminal"]="mate-terminal --disable-factory -e $cmd" ["xterm"]="xterm -e $cmd" ["foot"]="foot -T launch-terminal -e $cmd")
+declare -a term_order=("alacritty" "konsole" "kgx" "gnome-terminal" "mate-terminal" "xfce4-terminal" "qterminal" "lxterminal" "xterm" "foot")
+
+case "$XDG_CURRENT_DESKTOP" in
+KDE)
+	terminal=konsole
+	;;
+GNOME)
+	if command -v "kgx" &>/dev/null; then
+		terminal=kgx
+	else
+		terminal=gnome-terminal
+	fi
+	;;
+XFCE)
+	terminal=xfce4-terminal
+	;;
+LXQt)
+	terminal=qterminal
+	;;
+MATE)
+	terminal=mate-terminal
+	;;
+esac
+
+if [ -z "$terminal" ] || ! command -v "$terminal" &>/dev/null; then
+	for i in ${term_order[@]}; do
+		if command -v "$i" &>/dev/null; then
+			terminal="$i"
+			break
+		fi
+	done
+fi
+
+if [ -z "$terminal" ]; then
+	notify-send -t 15000 --app-name=Garuda\ Linux "No terminal installed" "No supported terminal emulator is installed. Please install a terminal emulator like Alacritty."
+	exit 1
+fi
+
+# Special kgx, thanks gnome
+if [ "$terminal" == "kgx" ]; then
+	sed -i '2i sleep 0.1' $initfile
+	echo 'kill -SIGINT $PPID' >>$initfile
+fi
+
+eval "${terminals[${terminal}]}" || {
+	exitcode=$?
+}
+
+rm "$initfile"
+if [ "$codefile" != "$initfile" ]; then
+	rm "$codefile"
+fi
+
+if [ ! -z "$exitcode" ] && [ "$exitcode" != 130 ]; then
+	exit 2
+fi