update-hook

#!/usr/bin/env bash

# Automatically deploy a web application by pushing updates to a git
# repository.
#
# For information on usage of this hook, please see the README.md that came
# with your installation of giddyup.
#

set -euo pipefail

# Consistent sourcing location for hooks deployed in multiple environments.
GIDDYUP_HOME="$(dirname "$(readlink -f "$0")")"
. "${GIDDYUP_HOME}/functions.sh"

REPO="$(dirname "$(cd "$(dirname "$0")"; pwd -P)")"
ROOT="$(dirname "${REPO}")"

if [ "$(get_config debug)" = "true" ]; then
	set -x
fi

init_env

REF="$1"
OLDREV="$2"
NEWREV="$3"

IFS="," read -ra allowed_refs <<< "$(get_config allowedRefs "refs/heads/master,refs/heads/main")"
readonly allowed_refs

ref_allowed="n"

for aref in "${allowed_refs[@]}"; do
	if [ "$aref" = "$REF" ]; then
		ref_allowed="y"
	fi
done

if [ "$ref_allowed" = "n" ]; then
	echo "ERROR: Cannot push to ref $REF (allowed refs: ${allowed_refs[*]})" >&2
	exit 1
fi

cd "${RELEASE}"

git --git-dir "${REPO}" archive --format=tar "${NEWREV}" | tar xf -

cd "${ROOT}"

cycle_release