compose/script/release/cherry-pick-pr

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#!/bin/bash
#
# Cherry-pick a PR into the release branch
#
set -e
set -o pipefail
function usage() {
>&2 cat << EOM
Cherry-pick commits from a github pull request.
Usage:
$0 <github PR number>
EOM
exit 1
}
[ -n "$1" ] || usage
if [ -z "$(command -v hub 2> /dev/null)" ]; then
>&2 echo "$0 requires https://hub.github.com/."
>&2 echo "Please install it and make sure it is available on your \$PATH."
exit 2
fi
REPO=docker/compose
GITHUB=https://github.com/$REPO/pull
PR=$1
url="$GITHUB/$PR"
hub am -3 $url