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#!/bin/bash
# Create a git hook driver in this repo. The hook will run all
# excutable scripts in the directory ~/.githooks/<repo name>/[HOOK_TRIGGER]/
# where HOOK_TRIGGER can be any one of the following:
# https://git-scm.com/docs/githooks#_hooks
# If you add a new type of HOOK_TRIGGER, this script needs to be run again.
# Find out the repo name and where the .git directory is for this repo
origin="$(git config remote.origin.url)"
repo="$(basename -s .git $origin)"
tld="$(git rev-parse --show-toplevel)"
# Location for the hooks.
# WARNING: if you change this you'll need to change the value of the
# "hooks_dir" variable in the heredoc below as well
hooks_dir="$HOME/.githooks/$repo"
tmp_hook=$(mktemp)
usage() {
echo "Usage: $(basename $0) [-f|-h]"
echo
echo " git hooks in $tld/.git/hooks that run scripts in $hooks_dir"
echo " -f force overwriting existing hooks"
echo " -h print this help"
echo
return
}
if [ ! -d "$hooks_dir" ]; then
# Bail out if the githooks directory doesn't exist.
echo "Place your scripts in the directory $hooks_dir/[HOOK_TRIGGER]/ where [HOOK_TRIGGER] is the"
echo "name of the git hook that you want your script to run under, like 'pre-push' or 'pre-commit'"
echo
echo "See the full list of git hooks here: https://git-scm.com/docs/githooks#_hooks"
echo
echo "Once you have placed your scripts, re-run this file."
echo
return
fi
# --- Command line options ---
force=0
while getopts fh opt_arg; do
case $opt_arg in
f) force=1 ;;
*) usage ;;
esac
done
shift $(expr $OPTIND - 1)
# ----------------------------
set -e
cat > $tmp_hook <<'EOF'
#!/bin/bash
# set GITHOOKS_QUIET to anything to anything to make this script quiet
quiet=${GITHOOKS_QUIET:-""}
[ -z "$quiet" ] && echo -e "[INFO] Starting up hook runner ..."
origin="$(git config remote.origin.url)"
repo="$(basename -s .git $origin)"
this_script=$(basename "$0")
hooks_dir=$HOME/.githooks/$repo/$this_script
if [ ! -d "$hooks_dir" ]; then
echo "[WARNING] Hooks directory doesn't exist: $hooks_dir. Running $this_script anyway"
sleep 2
exit 0
fi
num_hooks_run=0
all_hooks="$(/bin/ls -1 $hooks_dir 2>/dev/null)"
for hook_name in $(echo $all_hooks) ; do
hook_path=$hooks_dir/$hook_name
if [ -e "$hook_path" ]; then
[ -z "$quiet" ] && echo -e "[INFO] Running hook: $hook_path"
$hook_path "$@"
hook_status=$?
num_hooks_run=$((num_hooks_run + 1))
if [ $hook_status -ne 0 ]; then
echo "[ERROR] Hook $hook_path returned non-zero status: $hook_status"
exit $hook_status
else
[ -z "$quiet" ] && echo "[INFO] Done."
fi
fi
done
if [ $num_hooks_run -eq 0 ]; then
echo "[WARNING] Couldn't find any hooks to run in $hooks_dir. Running $this_script anyway"
sleep 2
fi
exit 0
EOF
hook_types=($(ls -d $hooks_dir/*))
for cur_hook_full_path in "${hook_types[@]}"
do
cur_hook_type=$(basename $cur_hook_full_path)
cur_hook_path="$tld/.git/hooks/$cur_hook_type"
echo "Installing $cur_hook_type hook in $cur_hook_path ..."
# If there's already a hook installed, bail out. We don't want to overwrite it.
# (unless -f is passed in the command line)
if [ -e "$cur_hook_path" -a $force -eq 0 ]; then
echo "[ERROR] Found an existing $cur_hook_type hook: $cur_hook_path"
exit 1
fi
cp $tmp_hook $cur_hook_path
chmod +x $cur_hook_path
done
rm $tmp_hook
echo "Done."
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