forked from pub-solar/os
65 lines
2.1 KiB
Nix
65 lines
2.1 KiB
Nix
self: with self; ''
|
|
#!/usr/bin/env zsh
|
|
# terminal application launcher for sway, using fzf
|
|
# original command:
|
|
# Based on: https://github.com/swaywm/sway/issues/1367
|
|
# bindsym $altkey+space exec termite --name=launcher -e \
|
|
# "bash -c 'compgen -c | sort -u | fzf --no-extended --print-query | \
|
|
# tail -n1 | xargs -r swaymsg -t command exec'"
|
|
|
|
HIST_FILE="''${XDG_CACHE_HOME:-$HOME/.cache}/sway-launcher-history.txt"
|
|
|
|
# Get shell command list
|
|
# This may include the occasional non-executable file
|
|
command_list=$({ whence -wm '*' | sed 's/:[^:]*$//' })
|
|
|
|
# read existing command history
|
|
if [ -f "$HIST_FILE" ]; then
|
|
command_history=$(cat "$HIST_FILE")
|
|
else
|
|
command_history=""
|
|
fi
|
|
|
|
# search command list
|
|
command_str=$(printf "%s\n" "''${command_history}" "''${command_list}" | \
|
|
sed -E 's/^[0-9]+ (.+)$/\1/' | \
|
|
fzf --color=16 --exact --no-extended --print-query --no-sort | \
|
|
tail -n1) || exit 1
|
|
|
|
if [ "$command_str" = "" ]; then
|
|
exit 1
|
|
fi
|
|
# echo "Command: $command_str"
|
|
|
|
# using \E flag from perl regex
|
|
test "''${command_str#*\\E}" != "$command_str" && echo "command can't contain '\E'"
|
|
test "''${command_str#*\\E}" != "$command_str" && exit 1
|
|
|
|
# get full line from history (with count number)
|
|
hist_line=$(echo "$command_history" | grep -Pe "^[0-9]+ \Q$command_str\E$")
|
|
# echo "Hist Line: $hist_line"
|
|
|
|
if [ "$hist_line" = "" ]; then
|
|
hist_count=1
|
|
else
|
|
# Increment usage count
|
|
hist_count=$(echo "$hist_line" | sed -E 's/^([0-9]+) .+$/\1/')
|
|
hist_count=$((hist_count + 1))
|
|
# delete line, to add updated later
|
|
# echo "Hist Before: $command_history"
|
|
command_history=$(echo "$command_history" | \
|
|
grep --invert-match -Pe "^[0-9]+ \Q$command_str\E$")
|
|
# echo "Hist After: $command_history"
|
|
fi
|
|
|
|
# update history
|
|
update_line="''${hist_count} ''${command_str}"
|
|
printf "%s\n" "''${update_line}" "''${command_history}" | \
|
|
sort --numeric-sort --reverse > "$HIST_FILE"
|
|
# echo "$update_line"
|
|
|
|
# execute command
|
|
echo "$command_str"
|
|
${sway}/bin/swaymsg -t command exec "$command_str"
|
|
''
|