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step towards library independence #2

step towards library independence

step towards library independence #2

name: GitHubActionsBot
on:
issue_comment:
types:
- created
# We need to be call in context of the main branch to have write permissions
# "pull_request" target is called in context of a fork
# "pull_request_target" is called in context of the repository but not necessary latest main
workflow_run:
workflows:
- PullRequestOpened
types:
- completed
env:
SUPPORTED_COMMANDS: |
<details>
<summary> Supported commands </summary>
Please post this commands in separate comments and only one per comment:
* `@github-actions run-benchmark` - Run benchmark comparing base and merge commits for this PR
* `@github-actions publish-pr-on-npm` - Build package from this PR and publish it on NPM
</details>
permissions: {}
jobs:
hello-message:
if: github.event_name == 'workflow_run'
runs-on: ubuntu-latest
permissions:
actions: read # to download event.json
pull-requests: write # to add comment to pull request
steps:
- name: Download event.json
run: gh run download "$WORKFLOW_ID" --repo "$REPO" --name event.json
env:
REPO: ${{ github.repository }}
GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
WORKFLOW_ID: ${{github.event.workflow_run.id}}
- name: Add comment on PR
uses: actions/github-script@v7
with:
script: |
const fs = require('node:fs');
const event = JSON.parse(fs.readFileSync('./event.json', 'utf8'));
await github.rest.issues.createComment({
...context.repo,
issue_number: event.pull_request.number,
body:
`Hi @${event.sender.login}, I'm @github-actions bot happy to help you with this PR 👋\n\n` +
process.env.SUPPORTED_COMMANDS,
})
accept-cmd:
if: |
github.event_name == 'issue_comment' &&
github.event.issue.pull_request &&
startsWith(github.event.comment.body, '@github-actions ')
runs-on: ubuntu-latest
permissions:
pull-requests: write # to add comment to pull request
outputs:
cmd: ${{ steps.parse-cmd.outputs.cmd }}
pull_request_json: ${{ steps.parse-cmd.outputs.pull_request_json }}
steps:
- uses: actions/github-script@v7
with:
script: |
await github.rest.reactions.createForIssueComment({
...context.repo,
comment_id: context.payload.comment.id,
content: 'eyes',
});
- id: parse-cmd
uses: actions/github-script@v7
with:
script: |
const comment = context.payload.comment.body;
core.setOutput('cmd', comment.replace('@github-actions ', '').trim());
const { url } = context.payload.issue.pull_request;
const { data } = await github.request(url);
core.setOutput('pull_request_json', JSON.stringify(data, null, 2));
cmd-publish-pr-on-npm:
needs: [accept-cmd]
if: needs.accept-cmd.outputs.cmd == 'publish-pr-on-npm'
permissions:
contents: read # for actions/checkout
uses: ./.github/workflows/cmd-publish-pr-on-npm.yml
with:
pull_request_json: ${{ needs.accept-cmd.outputs.pull_request_json }}
secrets:
npm_canary_pr_publish_token: ${{ secrets.npm_canary_pr_publish_token }}
cmd-run-benchmark:
needs: [accept-cmd]
if: needs.accept-cmd.outputs.cmd == 'run-benchmark'
permissions:
contents: read # for actions/checkout
actions: read # to list workflow runs
uses: ./.github/workflows/cmd-run-benchmark.yml
with:
pull_request_json: ${{ needs.accept-cmd.outputs.pull_request_json }}
respond-to-cmd:
needs:
- accept-cmd
- cmd-publish-pr-on-npm
- cmd-run-benchmark
if: needs.accept-cmd.result != 'skipped' && always()
runs-on: ubuntu-latest
permissions:
pull-requests: write # to add comment to pull request
steps:
- uses: actions/download-artifact@v4
with:
name: replyMessage
- if: failure()
uses: actions/github-script@v7
with:
script: |
const fs = require('node:fs');
const needs = JSON.parse(process.env.NEEDS);
let allSkipped = true;
for (const [ name, job ] of Object.entries(needs)) {
if (name.startsWith('cmd-')) {
allSkipped = allSkipped && job.result === 'skipped';
}
}
const replyMessage = allSkipped
? 'Unknown command 😕\n\n' + process.env.SUPPORTED_COMMANDS
: `Something went wrong, [please check log](${process.env.RUN_URL}).`;
fs.writeFileSync('./replyMessage.txt', replyMessage);
env:
NEEDS: ${{ toJSON(needs) }}
RUN_URL: ${{github.server_url}}/${{github.repository}}/actions/runs/${{github.run_id}}
- if: always()
uses: actions/github-script@v7
with:
script: |
const fs = require('node:fs');
const replyMessage = fs.readFileSync('./replyMessage.txt', 'utf-8');
const { issue, comment, sender } = context.payload;
const quoteRequest = comment.body
.split('\n')
.map((line) => '> ' + line)
.join('\n');
await github.rest.issues.createComment({
...context.repo,
issue_number: issue.number,
body: quoteRequest + `\n\n@${sender.login} ` + replyMessage,
});
// `github.rest` doesn't have this method :( so use graphql instead
await github.graphql(`
mutation ($subjectId: ID!) {
minimizeComment(input: { subjectId: $subjectId, classifier: RESOLVED})
{ __typename }
}
`, { subjectId: comment.node_id });