gcc/contrib/git-add-vendor-branch.sh

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#! /bin/sh -e
# Create a new upstream vendor branch.
# Usage:
# contrib/git-add-vendor-branch.sh <vendor>/<branch-name> <base>
usage ()
{
echo "Usage:"
echo " $0 <vendor>/<branch-name> <start-point>"
echo
echo "<vendor> must have already been set up using contrib/git-fetch-vendor.sh"
exit 1
}
if [ $# != 2 ]
then
usage
fi
vendor=$(echo "$1" | sed -r "s:([^/]*)/.*$:\1:")
branch=$(echo "$1" | sed -r "s:[^/]*/(.*)$:\1:")
start=$2
# Sanity check the new branch argument. If there is no '/', then the
# vendor will be the same as the entire first argument.
if [ -z "$vendor" -o -z "$branch" -o ${vendor} = $1 ]
then
usage
fi
# Check that we know about the vendor
url=$(git config --get "remote.vendors/${vendor}.url"||true)
if [ -z "$url" ]
then
echo "Cannot locate remote data for vendor ${vendor}. Have you set it up?"
exit 1
fi
git branch --no-track ${vendor}/${branch} ${start}
git push vendors/${vendor} ${vendor}/${branch}:refs/vendors/${vendor}/heads/${branch}
git fetch -q vendors/${vendor}
git branch --set-upstream-to=remotes/vendors/${vendor}/${branch} ${vendor}/$branch
echo "You are now ready to check out ${vendor}/${branch}"
echo "To push the branch upstream, use:"
echo
echo "git push vendors/${vendor} ${vendor}/${branch}"