#!/bin/bash

FLAGS=""
if [[ -n "${PLUGIN_DEPTH}" ]]; then
	FLAGS="--depth=${PLUGIN_DEPTH}"
fi

if [ ! -d .git ]; then
	git init
	git remote add origin "${DRONE_REMOTE_URL}"
fi

set -e
set -x

git fetch "${FLAGS}" origin "+refs/heads/${DRONE_COMMIT_BRANCH}:"
git checkout "${DRONE_COMMIT_BRANCH}"

git fetch origin "${DRONE_COMMIT_REF}:"
git merge "${DRONE_COMMIT_SHA}"