rebase-PR-for-release-branch.sh

VER=3.10
if [[ -z "$1" ]]; then
    echo "Please supply a PR number"
fi

git fetch upstream pull/$1/head:$1 || exit 1
git rebase --onto $VER develop $1 || exit 1
git push -u origin $1 || exit 1

# create pull request description file
gisturl="https://gist.github.com/brianlheim/7809f7a062362f0ea3ff1490ae12694b"
title="Rebasing #$1 onto $VER"
desc1="This is a rebase of PR #$1 onto the $VER branch"
desc2="Created via script: $gisturl"
file=tmp-hub-pr-$1

echo "$title" >$file
echo >>$file
echo "$desc1" >>$file
echo >>$file
echo "$desc2" >>$file

result=0

# submit pull request
if hub pull-request -b $VER -h $1 -F $file; then
    git checkout develop || result=1
    git branch -D $1 || result=1
else
    result=1
fi

# delete description file
rm $file
exit $result