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snigdhaos-system-config/usr/bin/launch-terminal
2024-11-19 09:15:46 +05:30

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#!/usr/bin/bash
# Author: Garuda Linux
# Adopted for Snigdha OS
set -euo pipefail # Enable strict error handling
LAUNCH_TERMINAL_SHELL="bash"
usage() {
echo "Usage: ${0##*/} [options] [command]"
echo
echo "Options:"
echo " -s [shell] Change shell to [shell] (default: bash)"
echo " -h Show this help message"
echo
echo "Example:"
echo " ${0##*/} -s zsh 'echo Hello, World!'"
echo " ${0##*/} -h"
exit 1
}
# Parse options
opts="s:h"
while getopts "${opts}" arg; do
case "${arg}" in
s) LAUNCH_TERMINAL_SHELL="$OPTARG" ;;
h) usage ;;
?) usage ;;
*)
echo "Invalid option: ${arg}"
usage
;;
esac
done
# Shift away the processed options
shift $((OPTIND - 1))
# Check if a command was passed
if [ $# -eq 0 ]; then
echo "Error: No command provided."
usage
fi
# Create temporary files for the shell scripts
initfile=$(mktemp)
codefile=$initfile
# Generate the initial shell script
echo "#!/usr/bin/env bash" > "$initfile"
# If user has specified a shell, set it in the code
if [ "$LAUNCH_TERMINAL_SHELL" != "bash" ]; then
codefile=$(mktemp)
echo "$LAUNCH_TERMINAL_SHELL $codefile" >> "$initfile"
fi
# Write the user's command to the code file
echo "$1" >> "$codefile"
chmod +x "$initfile"
# Command to run in the terminal emulator
cmd="\"$initfile\""
# Define a dictionary of supported terminal emulators
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 $cmd"
)
# Define an ordered list of terminals to try
declare -a term_order=(
"alacritty" "konsole" "kgx" "gnome-terminal" "mate-terminal"
"xfce4-terminal" "qterminal" "lxterminal" "xterm" "foot"
)
# Select the terminal based on the desktop environment
case "$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" ;;
*)
for i in "${term_order[@]}"; do
if command -v "$i" &> /dev/null; then
terminal="$i"
break
fi
done
;;
esac
# If no terminal emulator is found, notify and exit
if [ -z "$terminal" ]; then
notify-send -t 15000 --app-name=Snigdha\ OS "No terminal installed" \
"No supported terminal emulator is installed. Please install a terminal emulator like Alacritty."
exit 1
fi
# Special handling for kgx to ensure proper behavior
if [ "$terminal" = "kgx" ]; then
sed -i '2i sleep 0.1' "$initfile"
echo 'kill -SIGINT $PPID' >> "$initfile"
fi
# Run the terminal emulator with the command
eval "${terminals[$terminal]}" || exitcode=$?
# Clean up temporary files
rm "$initfile"
if [ "$codefile" != "$initfile" ]; then
rm "$codefile"
fi
# Exit gracefully if no terminal error occurred, otherwise propagate the error
if [ -n "${exitcode-}" ] && [ "$exitcode" != 130 ]; then
echo "Error: Terminal launch failed with exit code $exitcode"
exit 2
fi