#!/usr/bin/env bash
## Shared script part for CircleCI
##
## Copyright (c) 2012-2014 Sylvain Benner
## Copyright (c) 2014-2021 Sylvain Benner & Contributors
##
## Author: Eugene Yaremenko
## URL: https://github.com/syl20bnr/spacemacs
##
## This file is not part of GNU Emacs.
##
## License: GPLv3

# Vars
prj_owner="${PRJ_OWNER}"
prj_repo="${PRJ_REPO}"
api_URL_root="https://api.github.com"

upstream_data_URL_root="${api_URL_root}/"
upstream_data_URL_root+="repos/"
upstream_data_URL_root+="${prj_owner}/"
upstream_data_URL_root+="${prj_repo}"

CIRCLE_PR_NUMBER="${CIRCLE_PR_NUMBER:-${CIRCLE_PULL_REQUEST##*/}}"
pr_data_URL="${upstream_data_URL_root}/pulls/${CIRCLE_PR_NUMBER}"
upstream_data_URL="${upstream_data_URL_root}/branches/develop"

pr_file_list_URL="${api_URL_root}/"
pr_file_list_URL+="repos/"
pr_file_list_URL+="${prj_owner}/"
pr_file_list_URL+="${prj_repo}/"
pr_file_list_URL+="pulls/"
pr_file_list_URL+="${CIRCLE_PR_NUMBER}/"
pr_file_list_URL+="files"

# Helpers
echo_headline () {
	printf '=%.0s' {1..80}
	printf "\n$1\n"
	printf '=%.0s' {1..80}
	echo
}

exit_if_no_patchfile () {
    if [ ! -f "/tmp/${PUBLISH}.patch" ]; then
        echo "\"/tmp/${PUBLISH}.patch\" file doesn't exists. Exiting."
        exit 0
    fi
    if [[ -z $(grep '[^[:space:]]' "/tmp/${PUBLISH}.patch") ]]; then
        echo "\"/tmp/${PUBLISH}.patch\" file is empty. Exiting."
        exit 0
    fi
}

select_changed_orgs () {
    changed_f_as_args=()
    while read p
    do
        if [ -f "$p" ]; then
            if [ ${p: -4} == ".org" ]; then
                changed_f_as_args+=("${p}")
            fi
        fi
    done </tmp/changed_files
}

fail_when_undefined_pr_number () {
    if [[ -z "${CIRCLE_PR_NUMBER// }" ]]; then
        echo "CircleCI didn't set CIRCLE_PR_NUMBER"
        echo "nor CIRCLE_PULL_REQUEST."
        echo "Job restart sometimes helps."
        exit 1
    fi
}