#!/bin/sh
# Framework for running git hooks in git-obs and osc
#
# To install the hooks on the system, place executables under:
#  - /usr/local/share/git-obs-hooks/<git-hook>.d/<filename>
#  - /usr/share/git-obs-hooks/<git-hook>.d/<filename>
#  - ~/.local/share/git-obs-hooks/<git-hook>.d/<filename>
# To enable git-obs-hooks in the current git repo, run: install-git-obs-hooks
#
# See githooks(5) man page for more help on the hooks.
set -eu

XDG_DATA_HOME=${XDG_DATA_HOME:-$HOME/.local/share}
GIT_OBS_HOOKS_DEBUG=${GIT_OBS_HOOKS_DEBUG:-${GIT_TRACE:-0}}

hook_name=${0##*/}

die() {
  exit_code=$?
  printf >&2 '%s\n' "$1"
  exit "$exit_code"
}

debug_msg() {
  if [ "$GIT_OBS_HOOKS_DEBUG" = 1 ]; then
    printf >&2 '%s\n' "$1"
  fi
}

debug_msg "Running $hook_name hooks:"
for hook in \
    "$XDG_DATA_HOME/git-obs-hooks/$hook_name.d"/* \
    "/usr/local/share/git-obs-hooks/$hook_name.d"/* \
    "/usr/share/git-obs-hooks/$hook_name.d"/*
do
  if [ -f "$hook" ] && [ -x "$hook" ] ; then
    debug_msg "  - Running $hook"
    "$hook" "$@" || die "ERROR: '$hook' failed with exit status $?"
  fi
done