Files
pull-request-action/pull-request.sh
2019-02-01 13:09:00 -05:00

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3.1 KiB
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#!/bin/bash
# Suggested by Github actions to be strict
set -e
set -o pipefail
################################################################################
# Global Variables (we can't use GITHUB_ prefix)
################################################################################
API_VERSION=v3
BASE=https://api.github.com
AUTH_HEADER="Authorization: token ${GITHUB_TOKEN}"
HEADER="Accept: application/vnd.github.${API_VERSION}+json"
HEADER="${HEADER}; application/vnd.github.antiope-preview+json"
# URLs
REPO_URL="${BASE}/repos/${GITHUB_REPOSITORY}"
PULLS_URL=$REPO_URL/pulls
################################################################################
# Helper Functions
################################################################################
get_url() {
RESPONSE=$(curl -sSL -H "${AUTH_HEADER}" -H "${HEADER}" "${1:-}")
echo ${RESPONSE}
}
check_credentials() {
if [[ -z "${GITHUB_TOKEN}" ]]; then
echo "You must include the GITHUB_TOKEN as an environment variable."
exit 1
fi
}
check_events_json() {
if [[ ! -f "${GITHUB_EVENT_PATH}" ]]; then
echo "Cannot find Github events file at ${GITHUB_EVENT_PATH}";
exit 1;
fi
echo "Found ${GITHUB_EVENT_PATH}";
}
main () {
# path to file that contains the POST response of the event
# Example: https://github.com/actions/bin/tree/master/debug
# Value: /github/workflow/event.json
check_events_json;
# User specified branch to PR to, and check
if [ -z "${BRANCH_PREFIX}" ]; then
echo "No branch prefix is set, all branches will be used."
BRANCH_PREFIX=""
echo "Branch prefix is $BRANCH_PREFIX"
fi
if [ -z "${PULL_REQUEST_BRANCH}" ]; then
PULL_REQUEST_BRANCH=master
fi
echo "Pull requests will go to ${PULL_REQUEST_BRANCH}"
# Get the name of the action that was triggered
BRANCH=$(jq --raw-output .ref "${GITHUB_EVENT_PATH}");
BRANCH=$(echo "${BRANCH/refs\/heads\//}")
echo "Found branch $BRANCH"
# If it's to the target branch, ignore it
if [[ "${BRANCH}" == "${PULL_REQUEST_BRANCH}" ]]; then
echo "Target and current branch are identical (${BRANCH}), skipping."
else
# If the prefix for the branch matches
if [[ $BRANCH == ${BRANCH_PREFIX}* ]]; then
# Ensure we have a GitHub token
check_credentials
# Change to the GitHub repository
cd ${GITHUB_WORKSPACE}
echo "Present working directory with Git Workspace is ${PWD}"
git branch
TITLE="Update container ${BRANCH}"
BODY="This is an automated pull request to update the container collection ${BRANCH}"
hub pull-request --base "${GITHUB_ACTOR}:${PULL_REQUEST_BRANCH}" --head "${GITHUB_ACTOR}:${BRANCH}" --message "${TITLE}\n\n${BODY}"
fi
fi
}
echo "==========================================================================
START: Running Pull Request on Branch Update Action!";
main;
echo "==========================================================================
END: Finished";