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23 changes: 19 additions & 4 deletions tools/verify-pr-title.ts
Original file line number Diff line number Diff line change
Expand Up @@ -77,18 +77,33 @@ function getTitleFromGitHubEvent(): string | undefined {
}
}

function getTitleFromEnv(name: string): string | undefined {
const title = process.env[name];
if (title === undefined) {
return undefined;
}

if (title.length > 0) {
return title;
}

return process.env.GITHUB_EVENT_NAME === 'pull_request' ? '' : undefined;
}

function getPrTitle(): string | undefined {
const argTitle = getTitleFromArgs(process.argv.slice(2));
if (argTitle !== undefined) {
return argTitle;
}

if (process.env.PR_TITLE !== undefined) {
return process.env.PR_TITLE;
const prTitle = getTitleFromEnv('PR_TITLE');
if (prTitle !== undefined) {
return prTitle;
}

if (process.env.GITHUB_PR_TITLE !== undefined) {
return process.env.GITHUB_PR_TITLE;
const githubPrTitle = getTitleFromEnv('GITHUB_PR_TITLE');
if (githubPrTitle !== undefined) {
return githubPrTitle;
}

return getTitleFromGitHubEvent();
Expand Down