#!/bin/sh
set -e
set -u
PRODUCTION_BRANCH=master
PRODUCTION_BRANCH="${PRODUCTION_BRANCH:-master}"
git_rev_name() {
git rev-parse --abbrev-ref --symbolic-full-name "$@"
}
# If the checkout is not on the production branch,
# assume maintenance is happening and stop.
if [ "$(git_rev_name HEAD)" != "$PRODUCTION_BRANCH" ]; then
exit 0
fi
# Abort if the production branch isn't tracking a remote branch.