gh-action-bump-version/index.js

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const { Toolkit } = require('actions-toolkit');
const { execSync } = require('child_process');
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// Change working directory if user defined PACKAGEJSON_DIR
if (process.env.PACKAGEJSON_DIR) {
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process.env.GITHUB_WORKSPACE = `${process.env.GITHUB_WORKSPACE}/${process.env.PACKAGEJSON_DIR}`;
process.chdir(process.env.GITHUB_WORKSPACE);
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}
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// Run your GitHub Action!
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Toolkit.run(async (tools) => {
const pkg = tools.getPackageJSON();
const event = tools.context.payload;
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if (!event.commits) {
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console.log("Couldn't find any commits in this event, incrementing patch version...");
}
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const tagPrefix = process.env['INPUT_TAG-PREFIX'] || '';
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const messages = event.commits ? event.commits.map((commit) => commit.message + '\n' + commit.body) : [];
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const commitMessage = process.env['INPUT_COMMIT-MESSAGE'] || 'ci: version bump to {{version}}';
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console.log('commit messages:', messages);
const commitMessageRegex = new RegExp(commitMessage.replace(/{{version}}/g, `${tagPrefix}\\d+\\.\\d+\\.\\d+`), 'ig');
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const isVersionBump = messages.find((message) => commitMessageRegex.test(message)) !== undefined;
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if (isVersionBump) {
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tools.exit.success('No action necessary because we found a previous bump!');
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return;
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}
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// input wordings for MAJOR, MINOR, PATCH, PRE-RELEASE
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const majorWords = process.env['INPUT_MAJOR-WORDING'].split(',');
const minorWords = process.env['INPUT_MINOR-WORDING'].split(',');
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// patch is by default empty, and '' would always be true in the includes(''), thats why we handle it separately
const patchWords = process.env['INPUT_PATCH-WORDING'] ? process.env['INPUT_PATCH-WORDING'].split(',') : null;
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const preReleaseWords = process.env['INPUT_RC-WORDING'].split(',');
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console.log('config words:', { majorWords, minorWords, patchWords, preReleaseWords });
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// get default version bump
let version = process.env.INPUT_DEFAULT;
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let foundWord = null;
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// get the pre-release prefix specified in action
let preid = process.env.INPUT_PREID;
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// case: if wording for MAJOR found
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if (
messages.some(
(message) => /^([a-zA-Z]+)(\(.+\))?(\!)\:/.test(message) || majorWords.some((word) => message.includes(word)),
)
) {
version = 'major';
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}
// case: if wording for MINOR found
else if (messages.some((message) => minorWords.some((word) => message.includes(word)))) {
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version = 'minor';
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}
// case: if wording for PATCH found
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else if (patchWords && messages.some((message) => patchWords.some((word) => message.includes(word)))) {
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version = 'patch';
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}
// case: if wording for PRE-RELEASE found
else if (
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messages.some((message) =>
preReleaseWords.some((word) => {
if (message.includes(word)) {
foundWord = word;
return true;
} else {
return false;
}
}),
)
) {
preid = foundWord.split('-')[1];
version = 'prerelease';
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}
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console.log('version action after first waterfall:', version);
// case: if default=prerelease,
// rc-wording is also set
// and does not include any of rc-wording
// then unset it and do not run
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if (
version === 'prerelease' &&
preReleaseWords !== '' &&
!messages.some((message) => preReleaseWords.some((word) => message.includes(word)))
) {
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version = null;
}
// case: if default=prerelease, but rc-wording is NOT set
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if (version === 'prerelease' && preid) {
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version = 'prerelease';
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version = `${version} --preid=${preid}`;
}
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console.log('version action after final decision:', version);
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// case: if nothing of the above matches
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if (version === null) {
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tools.exit.success('No version keywords found, skipping bump.');
return;
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}
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// GIT logic
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try {
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const current = pkg.version.toString();
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// set git user
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await tools.runInWorkspace('git', [
'config',
'user.name',
`"${process.env.GITHUB_USER || 'Automated Version Bump'}"`,
]);
await tools.runInWorkspace('git', [
'config',
'user.email',
`"${process.env.GITHUB_EMAIL || 'gh-action-bump-version@users.noreply.github.com'}"`,
]);
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let currentBranch = /refs\/[a-zA-Z]+\/(.*)/.exec(process.env.GITHUB_REF)[1];
let isPullRequest = false;
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if (process.env.GITHUB_HEAD_REF) {
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// Comes from a pull request
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currentBranch = process.env.GITHUB_HEAD_REF;
isPullRequest = true;
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}
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if (process.env['INPUT_TARGET-BRANCH']) {
// We want to override the branch that we are pulling / pushing to
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currentBranch = process.env['INPUT_TARGET-BRANCH'];
}
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console.log('currentBranch:', currentBranch);
// do it in the current checked out github branch (DETACHED HEAD)
// important for further usage of the package.json version
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await tools.runInWorkspace('npm', ['version', '--allow-same-version=true', '--git-tag-version=false', current]);
console.log('current:', current, '/', 'version:', version);
let newVersion = execSync(`npm version --git-tag-version=false ${version}`).toString().trim().replace(/^v/, '');
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newVersion = `${tagPrefix}${newVersion}`;
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await tools.runInWorkspace('git', ['commit', '-a', '-m', commitMessage.replace(/{{version}}/g, newVersion)]);
// now go to the actual branch to perform the same versioning
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if (isPullRequest) {
// First fetch to get updated local version of branch
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await tools.runInWorkspace('git', ['fetch']);
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}
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await tools.runInWorkspace('git', ['checkout', currentBranch]);
await tools.runInWorkspace('npm', ['version', '--allow-same-version=true', '--git-tag-version=false', current]);
console.log('current:', current, '/', 'version:', version);
newVersion = execSync(`npm version --git-tag-version=false ${version}`).toString().trim().replace(/^v/, '');
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newVersion = `${tagPrefix}${newVersion}`;
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console.log(`::set-output name=newTag::${newVersion}`);
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try {
// to support "actions/checkout@v1"
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await tools.runInWorkspace('git', ['commit', '-a', '-m', commitMessage.replace(/{{version}}/g, newVersion)]);
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} catch (e) {
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console.warn(
'git commit failed because you are using "actions/checkout@v2"; ' +
'but that doesnt matter because you dont need that git commit, thats only for "actions/checkout@v1"',
);
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}
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const remoteRepo = `https://${process.env.GITHUB_ACTOR}:${process.env.GITHUB_TOKEN}@github.com/${process.env.GITHUB_REPOSITORY}.git`;
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if (process.env['INPUT_SKIP-TAG'] !== 'true') {
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await tools.runInWorkspace('git', ['tag', newVersion]);
await tools.runInWorkspace('git', ['push', remoteRepo, '--follow-tags']);
await tools.runInWorkspace('git', ['push', remoteRepo, '--tags']);
} else {
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await tools.runInWorkspace('git', ['push', remoteRepo]);
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}
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} catch (e) {
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tools.log.fatal(e);
tools.exit.failure('Failed to bump version');
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}
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tools.exit.success('Version bumped!');
});