#!/usr/bin/env bash
## PR rebase check script for CircleCI
##
## Copyright (c) 2012-2014 Sylvain Benner
## Copyright (c) 2014-2018 Sylvain Benner & Contributors
##
## Author: Eugene Yaremenko
## URL: https://github.com/syl20bnr/spacemacs
##
## This file is not part of GNU Emacs.
##
## License: GPLv3

skip_when_branch_update
fail_when_undefined_pr_number

upstream_head_sha=$(curl -s "${upstream_data_URL}" | jq '.commit.sha')
pr_base_sha=$(curl -s "${pr_data_URL}" | jq '.base.sha')

if [[ "${upstream_head_sha}" == "${pr_base_sha}" ]]; then
    echo "Seems like your PR doesn't need rebase. This is also good."
    exit 0
else
    printf '=%.0s' {1..80}
    printf "\n       し(*･∀･)／   Thanks for the contribution!  ＼(･∀･*)ノ\n"
    printf '=%.0s' {1..80}
    printf "\n( ＾◡＾)っ Please rebase your PR\n"

    echo_headline  "How to rebase PR(first timer guide):"
    printf "git remote add upstream "
    printf "https://github.com/"
    printf "${prj_owner}/"
    printf "${prj_repo}.git\n"
    printf "git fetch upstream\n"
    printf "git rebase upstream/develop\n"
    printf "git push --force\n"
    printf '=%.0s' {1..80}
    echo
    exit 2
fi
