#!/usr/bin/env bash
# rice-hook <event> [args...] - run your own scripts when something happens.
#
# Every executable file in ~/.config/rice/hooks/<event>.d/ runs, in name order,
# with the event's arguments. Events:
#   post-boot                    the desktop has started
#   theme-set <name>             a theme was applied
#   font-set <family>            the font changed
#   wallpaper-set <image>        the wallpaper changed
#   lock / unlock                the screen locked or unlocked
#   update                       install.sh --update finished
set -uo pipefail

event="${1:?usage: rice-hook <event> [args...]}"
shift
[[ $event =~ ^[a-z-]+$ ]] || { echo "rice-hook: bad event name '$event'" >&2; exit 2; }

dir="${XDG_CONFIG_HOME:-$HOME/.config}/rice/hooks/$event.d"
log="${XDG_STATE_HOME:-$HOME/.local/state}/rice/hooks.log"
[[ -d $dir ]] || exit 0
mkdir -p "$(dirname "$log")"

for hook in "$dir"/*; do
  [[ -f $hook && -x $hook && $hook != *.sample ]] || continue
  if ! "$hook" "$@" >>"$log" 2>&1; then
    printf '%s  %s failed (exit %s)\n' "$(date -Is)" "$hook" "$?" >>"$log"
  fi
done