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#!/usr/bin/env bash
#=============================================================================
# Copyright 2010-2015 Kitware, 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.
#=============================================================================
# Run this script to set up the local Git repository to use the
# preferred upstream repository URLs.
# Project configuration instructions:
#
# - Populate adjacent "config" file with:
# upstream.url = Preferred fetch url for upstream remote
# upstream.remote = Preferred name for upstream remote, if not "origin"
die() {
echo 1>&2 "$@" ; exit 1
}
# Make sure we are inside the repository.
cd "${BASH_SOURCE%/*}" &&
# Load the project configuration.
url=$(git config -f config --get upstream.url) &&
remote=$(git config -f config --get upstream.remote ||
echo 'origin') ||
die 'This project is not configured to use a preferred upstream repository.'
# Get current upstream URLs.
fetchurl=$(git config --get remote."$remote".url || echo '') &&
pushurl=$(git config --get remote."$remote".pushurl || echo '') &&
if test "$fetchurl" = "$url"; then
echo 'Remote "'"$remote"'" already uses recommended upstream repository.'
exit 0
fi
upstream_recommend='
We recommended configuring the "'"$remote"'" remote to fetch from upstream at
'"$url"'
'
# Tell user about current configuration.
if test -n "$fetchurl"; then
echo 'Remote "'"$remote"'" is currently configured to fetch from
'"$fetchurl"'
' &&
if test -n "$pushurl"; then
echo 'and push to
'"$pushurl"
fi &&
echo "$upstream_recommend" &&
if test -n "$pushurl"; then
echo 'and to never push to it directly.
'
fi &&
read -ep 'Reconfigure "'"$remote"'" remote as recommended? [y/N]: ' ans &&
if [ "$ans" == "y" ] || [ "$ans" == "Y" ]; then
setup=1
else
setup=''
fi
else
echo 'Remote "'"$remote"'" is not yet configured.' &&
echo "$upstream_recommend" &&
read -ep 'Configure "'"$remote"'" remote as recommended? [Y/n]: ' ans &&
if [ "$ans" == "n" ] || [ "$ans" == "N" ]; then
exit 0
else
setup=1
fi
fi &&
# Perform setup if necessary.
if test -n "$setup"; then
if test -z "$fetchurl"; then
git remote add "$remote" "$url"
else
git config remote."$remote".url "$url" &&
if old=$(git config --get remote."$remote".pushurl); then
git config --unset remote."$remote".pushurl ||
echo 'Warning: failed to unset remote.'"$remote"'.pushurl'
fi
fi &&
echo 'Remote "'"$remote"'" is now configured to fetch from
'"$url"'
'
fi