pfsense/build/scripts/git_checkout.sh
Luiz Souza 8f58544167 Update the Copyright year.
A subsequent commit will deal with .po's.
2021-01-03 09:28:48 -03:00

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#!/bin/sh
#
# git_checkout.sh
#
# part of pfSense (https://www.pfsense.org)
# Copyright (c) 2004-2013 BSD Perimeter
# Copyright (c) 2013-2016 Electric Sheep Fencing
# Copyright (c) 2014-2021 Rubicon Communications, LLC (Netgate)
# All rights reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
export PATH=/usr/local/bin:/usr/local/sbin:/usr/bin:/usr/sbin:/bin:/sbin
scripts_path=$(dirname $(realpath $0))
if [ ! -f "${scripts_path}/common.subr" ]; then
echo >&2 "ERROR: common.subr is missing"
exit 1
fi
. ${scripts_path}/common.subr
usage() {
cat >&2 <<END
Usage: $(basename $0) -r repo_url -d destdir [-b branch] [-h]
Options:
-r repo_url -- URL of desired git repository
-d destdir -- Directory to clone
-b branch -- Branch or tag to clone (default: master)
-h -- Show this help and exit
Environment:
GIT_BIN -- Path to git binary
END
exit 1
}
branch="master"
while getopts r:d:b:h opt; do
case "$opt" in
r)
repo_url=$OPTARG
;;
d)
destdir=$OPTARG
;;
b)
branch=$OPTARG
;;
*)
usage
;;
esac
done
[ -z "$repo_url" ] \
&& err "repository URL is not defined"
[ -z "$destdir" ] \
&& err "destdir is not defined"
[ -e $destdir -a ! -d $destdir ] \
&& err "destdir already exists and is not a directory"
git=${GIT_BIN:-$(which git)}
if [ ! -x "${git}" ]; then
err "git binary is missing"
fi
if [ -d "${destdir}/.git" ]; then
current_url=$(${git} -C ${destdir} config --get remote.origin.url)
[ "${current_url}" != "${repo_url}" ] \
&& err \
"destination directory contains a different git repository"
run "Removing local changes from git repo ${repo_url} (${branch})" \
"${git} -C ${destdir} reset -q --hard"
run "Removing leftovers from git repo ${repo_url} (${branch})" \
"${git} -C ${destdir} clean -qfd"
run "Retrieving updates from git repo ${repo_url} (${branch})" \
"${git} -C ${destdir} fetch -q origin"
run "Updating git repo ${repo_url} (${branch})" \
"git -C ${destdir} checkout -q ${branch}"
# Detect if it's a branch and rebase it
if ${git} -C ${destdir} show-ref -q --verify refs/heads/${branch}; then
run "Rebasing git repo ${repo_url} (${branch})" \
"git -C ${destdir} rebase -q origin/${branch}"
fi
else
run "Cloning git repository ${repo_url} (${branch})" \
"git clone -q -b ${branch} ${repo_url} ${destdir}"
fi
exit 0