mirror of
https://github.com/teddysun/across.git
synced 2025-01-18 22:09:35 +08:00
40 lines
1.2 KiB
Bash
40 lines
1.2 KiB
Bash
|
#!/usr/bin/env sh
|
||
|
|
|
||
|
|
# Copyright 2018-2020 Docker Inc.
|
||
|
|
|
||
|
|
# 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.
|
||
|
|
|
||
|
|
checkout() (
|
||
|
|
set -ex
|
||
|
|
SRC="$1"
|
||
|
|
REF="$2"
|
||
|
|
REF_FETCH="$REF"
|
||
|
|
# if ref is branch or tag, retrieve its canonical form
|
||
|
|
REF=$(git -C "$SRC" ls-remote --refs --heads --tags origin "$REF" | awk '{print $2}')
|
||
|
|
if [ -n "$REF" ]; then
|
||
|
|
# if branch or tag then create it locally too
|
||
|
|
REF_FETCH="$REF:$REF"
|
||
|
|
else
|
||
|
|
REF="FETCH_HEAD"
|
||
|
|
fi
|
||
|
|
git -C "$SRC" fetch --update-head-ok --depth 1 origin "$REF_FETCH"
|
||
|
|
git -C "$SRC" checkout -q "$REF"
|
||
|
|
)
|
||
|
|
|
||
|
|
|
||
|
|
# Only execute checkout function above if this file is executed, not sourced from another script
|
||
|
|
prog=checkout.sh # needs to be in sync with this file's name
|
||
|
|
if [ "$(basename -- $0)" = "$prog" ]; then
|
||
|
|
checkout $*
|
||
|
|
fi
|