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Added ability to pass in an optional PR number as a parameter (#349)
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* Adding pr-number as an optional parameter

* Updated README

* Tests on the pr-number parameter

* Added missing | to table

* re-built script

* Adding support for multiple pr-numbers

* excluded .idea

* Updated readme to reflect that there might be more than one PR

* Additional warning

* Removed unused

* Reformatted and re-built

* Corrected message

* Removed required check

* Added (s) to pull request numbers in the description

Co-authored-by: MaksimZhukov <46996400+MaksimZhukov@users.noreply.github.com>

* Reworded PR-number parameter description

Co-authored-by: MaksimZhukov <46996400+MaksimZhukov@users.noreply.github.com>

* adding getMultilineInput into the tests

* Fixing tests for single pr

* Fixing tests for multiple prs

* Updated README.md to make it more obvious that it can take a list of PRs

* Added example that labels PR's 1-3

* Handled no pull requests better (from code review)

* Handled no pull requests better (from code review)

* Handled missing pull request better (from code review)

* Back out suggested change as it broke the tests

* Rebuilt dist

* Update src/labeler.ts

Co-authored-by: MaksimZhukov <46996400+MaksimZhukov@users.noreply.github.com>

* Added Emphasis to the note

Co-authored-by: MaksimZhukov <46996400+MaksimZhukov@users.noreply.github.com>

* Changed mockInput for pr-number to be string[]

---------

Co-authored-by: MaksimZhukov <46996400+MaksimZhukov@users.noreply.github.com>
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@credfeto @MaksimZhukov
credfeto and MaksimZhukov committed Jul 6, 2023
1 parent 65f306b commit 327d35f
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2 changes: 1 addition & 1 deletion .gitignore
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@@ -1,4 +1,4 @@
.DS_Store
node_modules/
lib/
.idea
.idea
32 changes: 31 additions & 1 deletion README.md
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Expand Up @@ -126,8 +126,9 @@ Various inputs are defined in [`action.yml`](action.yml) to let you configure th
| `configuration-path` | The path to the label configuration file | `.github/labeler.yml` |
| `sync-labels` | Whether or not to remove labels when matching files are reverted or no longer changed by the PR | `false` |
| `dot` | Whether or not to auto-include paths starting with dot (e.g. `.github`) | `false` |
| `pr-number` | The number(s) of pull request to update, rather than detecting from the workflow context | N/A |

When `dot` is disabled and you want to include _all_ files in a folder:
When `dot` is disabled, and you want to include _all_ files in a folder:

```yml
label1:
Expand All @@ -142,6 +143,35 @@ label1:
- path/to/folder/**
```

##### Example workflow specifying Pull request numbers

```yml
name: "Label Previous Pull Requests"
on:
schedule:
- cron: "0 1 * * 1"

jobs:
triage:
permissions:
contents: read
pull-requests: write

runs-on: ubuntu-latest
steps:

# Label PRs 1, 2, and 3
- uses: actions/labeler@v4
with:
pr-number: |
1
2
3
```

**Note:** in normal usage the `pr-number` input is not required as the action will detect the PR number from the workflow context.


#### Outputs

Labeler provides the following outputs:
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6 changes: 5 additions & 1 deletion __mocks__/@actions/github.ts
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Expand Up @@ -16,7 +16,11 @@ const mockApi = {
setLabels: jest.fn()
},
pulls: {
get: jest.fn().mockResolvedValue({}),
get: jest.fn().mockResolvedValue({
data: {
labels: []
}
}),
listFiles: {
endpoint: {
merge: jest.fn().mockReturnValue({})
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86 changes: 86 additions & 0 deletions __tests__/main.test.ts
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Expand Up @@ -25,11 +25,15 @@ const configureInput = (
'configuration-path': string;
'sync-labels': boolean;
dot: boolean;
'pr-number': string[];
}>
) => {
jest
.spyOn(core, 'getInput')
.mockImplementation((name: string, ...opts) => mockInput[name]);
jest
.spyOn(core, 'getMultilineInput')
.mockImplementation((name: string, ...opts) => mockInput[name]);
jest
.spyOn(core, 'getBooleanInput')
.mockImplementation((name: string, ...opts) => mockInput[name]);
Expand Down Expand Up @@ -209,6 +213,88 @@ describe('run', () => {
expect(setOutputSpy).toHaveBeenCalledWith('new-labels', '');
expect(setOutputSpy).toHaveBeenCalledWith('all-labels', allLabels);
});

it('(with pr-number: array of one item, uses the PR number specified in the parameters', async () => {
configureInput({
'repo-token': 'foo',
'configuration-path': 'bar',
'pr-number': ['104']
});

usingLabelerConfigYaml('only_pdfs.yml');
mockGitHubResponseChangedFiles('foo.pdf');

getPullMock.mockResolvedValue(<any>{
data: {
labels: [{name: 'manually-added'}]
}
});

await run();

expect(setLabelsMock).toHaveBeenCalledTimes(1);
expect(setLabelsMock).toHaveBeenCalledWith({
owner: 'monalisa',
repo: 'helloworld',
issue_number: 104,
labels: ['manually-added', 'touched-a-pdf-file']
});
expect(setOutputSpy).toHaveBeenCalledWith(
'new-labels',
'touched-a-pdf-file'
);
expect(setOutputSpy).toHaveBeenCalledWith(
'all-labels',
'manually-added,touched-a-pdf-file'
);
});

it('(with pr-number: array of two items, uses the PR number specified in the parameters', async () => {
configureInput({
'repo-token': 'foo',
'configuration-path': 'bar',
'pr-number': ['104', '150']
});

usingLabelerConfigYaml('only_pdfs.yml');
mockGitHubResponseChangedFiles('foo.pdf');

getPullMock.mockResolvedValueOnce(<any>{
data: {
labels: [{name: 'manually-added'}]
}
});

getPullMock.mockResolvedValueOnce(<any>{
data: {
labels: []
}
});

await run();

expect(setLabelsMock).toHaveBeenCalledTimes(2);
expect(setLabelsMock).toHaveBeenCalledWith({
owner: 'monalisa',
repo: 'helloworld',
issue_number: 104,
labels: ['manually-added', 'touched-a-pdf-file']
});
expect(setLabelsMock).toHaveBeenCalledWith({
owner: 'monalisa',
repo: 'helloworld',
issue_number: 150,
labels: ['touched-a-pdf-file']
});
expect(setOutputSpy).toHaveBeenCalledWith(
'new-labels',
'touched-a-pdf-file'
);
expect(setOutputSpy).toHaveBeenCalledWith(
'all-labels',
'manually-added,touched-a-pdf-file'
);
});
});

function usingLabelerConfigYaml(fixtureName: keyof typeof yamlFixtures): void {
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3 changes: 3 additions & 0 deletions action.yml
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Expand Up @@ -18,6 +18,9 @@ inputs:
description: 'Whether or not to auto-include paths starting with dot (e.g. `.github`)'
default: false
required: false
pr-number:
description: 'The pull request number(s)'
required: false

outputs:
new-labels:
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115 changes: 70 additions & 45 deletions dist/index.js
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Expand Up @@ -54,55 +54,66 @@ function run() {
const configPath = core.getInput('configuration-path', { required: true });
const syncLabels = !!core.getInput('sync-labels');
const dot = core.getBooleanInput('dot');
const prNumber = getPrNumber();
if (!prNumber) {
core.info('Could not get pull request number from context, exiting');
const prNumbers = getPrNumbers();
if (!prNumbers.length) {
core.warning('Could not get pull request number(s), exiting');
return;
}
const client = github.getOctokit(token, {}, pluginRetry.retry);
const { data: pullRequest } = yield client.rest.pulls.get({
owner: github.context.repo.owner,
repo: github.context.repo.repo,
pull_number: prNumber
});
core.debug(`fetching changed files for pr #${prNumber}`);
const changedFiles = yield getChangedFiles(client, prNumber);
const labelGlobs = yield getLabelGlobs(client, configPath);
const preexistingLabels = pullRequest.labels.map(l => l.name);
const allLabels = new Set(preexistingLabels);
for (const [label, globs] of labelGlobs.entries()) {
core.debug(`processing ${label}`);
if (checkGlobs(changedFiles, globs, dot)) {
allLabels.add(label);
}
else if (syncLabels) {
allLabels.delete(label);
for (const prNumber of prNumbers) {
core.debug(`looking for pr #${prNumber}`);
let pullRequest;
try {
const result = yield client.rest.pulls.get({
owner: github.context.repo.owner,
repo: github.context.repo.repo,
pull_number: prNumber
});
pullRequest = result.data;
}
}
const labelsToAdd = [...allLabels].slice(0, GITHUB_MAX_LABELS);
const excessLabels = [...allLabels].slice(GITHUB_MAX_LABELS);
try {
let newLabels = [];
if (!isListEqual(labelsToAdd, preexistingLabels)) {
yield setLabels(client, prNumber, labelsToAdd);
newLabels = labelsToAdd.filter(l => !preexistingLabels.includes(l));
catch (error) {
core.warning(`Could not find pull request #${prNumber}, skipping`);
continue;
}
core.setOutput('new-labels', newLabels.join(','));
core.setOutput('all-labels', labelsToAdd.join(','));
if (excessLabels.length) {
core.warning(`Maximum of ${GITHUB_MAX_LABELS} labels allowed. Excess labels: ${excessLabels.join(', ')}`, { title: 'Label limit for a PR exceeded' });
core.debug(`fetching changed files for pr #${prNumber}`);
const changedFiles = yield getChangedFiles(client, prNumber);
const labelGlobs = yield getLabelGlobs(client, configPath);
const preexistingLabels = pullRequest.labels.map(l => l.name);
const allLabels = new Set(preexistingLabels);
for (const [label, globs] of labelGlobs.entries()) {
core.debug(`processing ${label}`);
if (checkGlobs(changedFiles, globs, dot)) {
allLabels.add(label);
}
else if (syncLabels) {
allLabels.delete(label);
}
}
}
catch (error) {
if (error.name === 'HttpError' &&
error.message === 'Resource not accessible by integration') {
core.warning(`The action requires write permission to add labels to pull requests. For more information please refer to the action documentation: https://github.com/actions/labeler#permissions`, {
title: `${process.env['GITHUB_ACTION_REPOSITORY']} running under '${github.context.eventName}' is misconfigured`
});
core.setFailed(error.message);
const labelsToAdd = [...allLabels].slice(0, GITHUB_MAX_LABELS);
const excessLabels = [...allLabels].slice(GITHUB_MAX_LABELS);
try {
let newLabels = [];
if (!isListEqual(labelsToAdd, preexistingLabels)) {
yield setLabels(client, prNumber, labelsToAdd);
newLabels = labelsToAdd.filter(l => !preexistingLabels.includes(l));
}
core.setOutput('new-labels', newLabels.join(','));
core.setOutput('all-labels', labelsToAdd.join(','));
if (excessLabels.length) {
core.warning(`Maximum of ${GITHUB_MAX_LABELS} labels allowed. Excess labels: ${excessLabels.join(', ')}`, { title: 'Label limit for a PR exceeded' });
}
}
else {
throw error;
catch (error) {
if (error.name === 'HttpError' &&
error.message === 'Resource not accessible by integration') {
core.warning(`The action requires write permission to add labels to pull requests. For more information please refer to the action documentation: https://github.com/actions/labeler#permissions`, {
title: `${process.env['GITHUB_ACTION_REPOSITORY']} running under '${github.context.eventName}' is misconfigured`
});
core.setFailed(error.message);
}
else {
throw error;
}
}
}
}
Expand All @@ -113,12 +124,26 @@ function run() {
});
}
exports.run = run;
function getPrNumber() {
function getPrNumbers() {
const pullRequestNumbers = core.getMultilineInput('pr-number');
if (pullRequestNumbers && pullRequestNumbers.length) {
const prNumbers = [];
for (const prNumber of pullRequestNumbers) {
const prNumberInt = parseInt(prNumber, 10);
if (isNaN(prNumberInt) || prNumberInt <= 0) {
core.warning(`'${prNumber}' is not a valid pull request number`);
}
else {
prNumbers.push(prNumberInt);
}
}
return prNumbers;
}
const pullRequest = github.context.payload.pull_request;
if (!pullRequest) {
return undefined;
return [];
}
return pullRequest.number;
return [pullRequest.number];
}
function getChangedFiles(client, prNumber) {
return __awaiter(this, void 0, void 0, function* () {
Expand Down

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