144 lines
4.8 KiB
Bash
Executable File
144 lines
4.8 KiB
Bash
Executable File
#!/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="${HEADER}; application/vnd.github.antiope-preview+json; application/vnd.github.shadow-cat-preview+json"
|
|
|
|
# URLs
|
|
REPO_URL="${BASE}/repos/${GITHUB_REPOSITORY}"
|
|
PULLS_URL=$REPO_URL/pulls
|
|
|
|
################################################################################
|
|
# Helper Functions
|
|
################################################################################
|
|
|
|
|
|
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 ${GITHUB_EVENT_PATH}";
|
|
|
|
}
|
|
|
|
create_pull_request() {
|
|
|
|
SOURCE="${1}" # from this branch
|
|
TARGET="${2}" # pull request TO this target
|
|
BODY="${3}" # this is the content of the message
|
|
TITLE="${4}" # pull request title
|
|
DRAFT="${5}" # if PRs are draft
|
|
|
|
# Check if the branch already has a pull request open
|
|
|
|
DATA="{\"base\":\"${TARGET}\", \"head\":\"${SOURCE}\", \"body\":\"${BODY}\"}"
|
|
RESPONSE=$(curl -sSL -H "${AUTH_HEADER}" -H "${HEADER}" --user "${GITHUB_ACTOR}" -X GET --data "${DATA}" ${PULLS_URL})
|
|
PR=$(echo "${RESPONSE}" | jq --raw-output '.[] | .head.ref')
|
|
echo "Response ref: ${PR}"
|
|
|
|
# Option 1: The pull request is already open
|
|
if [[ "${PR}" == "${SOURCE}" ]]; then
|
|
echo "Pull request from ${SOURCE} to ${TARGET} is already open!"
|
|
|
|
# Option 2: Open a new pull request
|
|
else
|
|
# Post the pull request
|
|
DATA="{\"title\":\"${TITLE}\", \"body\":\"${BODY}\", \"base\":\"${TARGET}\", \"head\":\"${SOURCE}\", \"draft\":\"${DRAFT}\"}"
|
|
echo "curl --user ${GITHUB_ACTOR} -X POST --data ${DATA} ${PULLS_URL}"
|
|
curl -sSL -H "${AUTH_HEADER}" -H "${HEADER}" --user "${GITHUB_ACTOR}" -X POST --data "${DATA}" ${PULLS_URL}
|
|
echo $?
|
|
fi
|
|
}
|
|
|
|
|
|
main () {
|
|
|
|
# path to file that contains the POST response of the event
|
|
# Example: https://github.com/actions/bin/tree/master/debug
|
|
# Value: /github/workflow/event.json
|
|
check_events_json;
|
|
|
|
# User specified branch to PR to, and check
|
|
if [ -z "${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 ${PULL_REQUEST_BRANCH}"
|
|
|
|
if [ -z "${PULL_REQUEST_DRAFT}" ]; then
|
|
echo "No explicit preference for draft PR: created PRs will be normal PRs."
|
|
PULL_REQUEST_DRAFT="false"
|
|
else
|
|
echo "Environment variable PULL_REQUEST_DRAFT set to a value: created PRs will be draft PRs."
|
|
PULL_REQUEST_DRAFT="true"
|
|
fi
|
|
|
|
# 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 == ${BRANCH_PREFIX}* ]]; then
|
|
|
|
# Ensure we have a GitHub token
|
|
check_credentials
|
|
|
|
# Pull request body (optional)
|
|
if [ -z "${PULL_REQUEST_BODY}" ]; then
|
|
echo "No pull request body is set, will use default."
|
|
PULL_REQUEST_BODY="This is an automated pull request to update the container collection ${BRANCH}"
|
|
fi
|
|
echo "Pull request body is ${PULL_REQUEST_BODY}"
|
|
|
|
# Pull request title (optional)
|
|
if [ -z "${PULL_REQUEST_TITLE}" ]; then
|
|
echo "No pull request title is set, will use default."
|
|
PULL_REQUEST_TITLE="Update container ${BRANCH}"
|
|
fi
|
|
echo "Pull request title is ${PULL_REQUEST_TITLE}"
|
|
|
|
create_pull_request "${BRANCH}" "${PULL_REQUEST_BRANCH}" "${PULL_REQUEST_BODY}" "${PULL_REQUEST_TITLE}" "${PULL_REQUEST_DRAFT}"
|
|
|
|
fi
|
|
|
|
fi
|
|
}
|
|
|
|
echo "==========================================================================
|
|
START: Running Pull Request on Branch Update Action!";
|
|
main;
|
|
echo "==========================================================================
|
|
END: Finished";
|