zulip/tools/deploy-branch

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#!/bin/bash
function error_out {
echo -en '\e[0;31m'
echo $1
echo -en '\e[0m'
exit 1
}
status=$(git status --porcelain | grep -v '^??')
[ ! -z "$status" ] && error_out "Working directory or index not clean"
old_ref=$(git rev-list --max-count=1 HEAD)
branch=$1
branch_ref=$(git rev-list --max-count=1 $branch)
[ $? -ne 0 ] && error_out "Unknown branch: $branch"
if [ "$old_ref" == "$branch_ref" ]; then
new_ref=master
else
new_ref=$old_ref
fi
[ -z "$branch" ] && error_out "You must specify a branch name to deploy"
git fetch -p
git rebase origin/master $branch
[ $? -ne 0 ] && error_out "Rebase onto origin/master failed"
git push . HEAD:master
git push origin master
[ $? -ne 0 ] && error_out "Push of master to origin/master failed"
git checkout $new_ref
git branch -D $branch
git push origin :$branch