bin/dmenu_recency

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2020-08-09 12:53:06 +00:00
#!/bin/bash
# Originally based on code by Dieter Plaetinck.
# Pretty much re-written by Mina Nagy (mnzaki)
# Edited by Chrysostomus to create/source .dmenurc
if ! [ -f "$HOME/.dmenurc" ]; then
cp /usr/share/dmenu/dmenurc $HOME/.dmenurc
fi
. $HOME/.dmenurc
if [ -z "$TERMINAL_CMD" ]; then
if [ "$(which terminal)" ]; then
TERMINAL_CMD="terminal -e"
elif [ "$(which urxvt)" ]; then
TERMINAL_CMD="urxvt -e"
elif [ "$(which termite)" ]; then
TERMINAL_CMD="termite -e"
elif [ "$(which terminator)" ]; then
TERMINAL_CMD="terminator -e"
elif [ "$(which gnome-terminal)" ]; then
TERMINAL_CMD="gnome-terminal -e"
elif [ "$(which lxterminal)" ]; then
TERMINAL_CMD="lxterminal -e"
elif [ "$(which sakura)" ]; then
TERMINAL_CMD="sakura -e"
elif [ "$(which xfce4-terminal)" ]; then
TERMINAL_CMD="xfce4-terminal -e"
elif [ "$(which xterm)" ]; then
TERMINAL_CMD="xterm -e"
fi
fi
dmenu_cmd="dmenu $DMENU_OPTIONS"
max_recent=199 # Number of recent commands to track
cache_dir="${XDG_CACHE_HOME:-$HOME/.cache}/dmenu-recent"
recent_cache="$cache_dir/recent"
rest_cache="$cache_dir/all"
known_types=" background terminal terminal_hold "
config_dir="${XDG_CONFIG_HOME:-$HOME/.config}/dmenu-recent"
mkdir -p "$cache_dir"
mkdir -p "$config_dir"
touch "$recent_cache"
# Without this, it won't remember $type
GREP_OPTIONS='--color=never'
IFS=:
if stest -dqr -n "$rest_cache" $PATH 2>/dev/null; then
stest -flx $PATH | sort -u | grep -vf "$recent_cache" > "$rest_cache"
fi
IFS=" "
cmd=$(cat "$recent_cache" "$rest_cache" | $dmenu_cmd -p run: "$@") || exit
if ! grep -qx "$cmd" "$recent_cache" &> /dev/null; then
grep -vx "$cmd" "$rest_cache" > "$rest_cache.$$"
if -s "$rest_cache.$$"; then
mv "$rest_cache.$$" "$rest_cache"
else
rm "$rest_cache.$$"
fi
fi
if [[ ! $cmd == *[[]* ]]; then
echo "$cmd" > "$recent_cache.$$"
grep -vx "$cmd" "$recent_cache" | head -n "$max_recent" >> "$recent_cache.$$"
mv "$recent_cache.$$" "$recent_cache"
fi
# Figure out how to run the command based on the command name, disregarding
# arguments, if any.
word0=${cmd%% *}
match="^$word0$"
get_type () {
while type=$(echo $known_types | xargs -n1 | $dmenu_cmd -p Type:); do
[[ $known_types =~ " $type " ]] || continue
echo "$word0" >> "$config_dir/$type"
break
done
echo $type
}
if ! type=$(grep -lx "$match" -R "$config_dir"); then
type=$(get_type)
else
type=${type##*/}
if ! [[ $known_types =~ " $type " ]]; then
rm "$config_dir/$type"
type=$(get_type)
fi
fi
[[ "$type" = "background" ]] && exec $cmd
[[ "$type" = "terminal" ]] && exec $TERMINAL_CMD "$cmd"
[[ "$type" = "terminal_hold" ]] &&
exec $TERMINAL_CMD sh -c "$cmd && echo Press Enter to kill me... && read line"