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#!/bin/sh -eu
program=$(basename "$0")
directory=$HOME/.config/seance
session=$directory/session
spirits=$directory/spirits
help() {
printf \
"
Usage: %s [FLAGS]... [ARGUMENT]...
The program $program shall save and restore
running programs in a desktop session according
to a specified configuration file.
Add a program string, one per line,
to $spirits to
save programs in current session.
Session: $session
Configuration: $spirits
Command List:
$program commit Saves current running programs to session.
$program list List saved programs.
$program config View current configuration.
$program search Search for a running program.
$program windows List running programs
$program start Restore previous session.
$program -h --help Show this help menu.
" "$program";
}
{ [ "${1:-}" = "-h" ] || [ "${1:-}" = "--help" ] || [ "$#" = 0 ]; } && help && exit;
mkdir --parents "$directory"
touch "$spirits"
commit() {
ps aux \
| awk '$1 == "'"$(whoami)"'" { $1=$2=$3=$4=$5=$6=$7=$8=$9=$10=""; print $0 }' \
| awk '!deduplicate[$0]++ { $1=$1; printf "%s &\n", $0 }'
}
[ "${1:-}" = "commit" ] &&
{ commit | grep --file="$spirits" >> "$session" || printf "Warning empty or failed session file!\n"; } &&
printf 'Session %s canonized.\n' "$session" &&
exit
[ "${1:-}" = "list" ] && cat "$session" && exit;
[ "${1:-}" = "config" ] && cat "$spirits" && exit;
[ "${1:-}" = "windows" ] && wmctrl -lp && exit;
[ "${1:-}" = "search" ] && commit | grep --ignore-case -- "$2" | head --lines=1 && exit;
[ "${1:-}" = "start" ] && /bin/sh "$session" && exit;
help && printf "Error: Unknown argument '%s'.\n\n" "$@" && exit 1;
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