Record the repository slug to support builds from forks

bin/git/getCommitAndBranch.js

@@ -74,40 +74,50 @@ export async function getCommitAndBranch({ patchBaseRef, inputFromCI, log } = {}
     }
   }
 
+  const { isCi, prBranch, branch: ciBranch, slug } = envCi();
+
   // On certain CI systems, a branch is not checked out
   // (instead a detached head is used for the commit).
   if (!notHead(branch)) {
-    const { prBranch: prBranchFromEnvCi, branch: branchFromEnvCi } = envCi();
-
-    // $HEAD is for netlify: https://www.netlify.com/docs/continuous-deployment/
-    // $GERRIT_BRANCH is for Gerrit/Jenkins: https://wiki.jenkins.io/display/JENKINS/Gerrit+Trigger
-    // $CI_BRANCH is a general setting that lots of systems use
     branch =
-      notHead(prBranchFromEnvCi) ||
-      notHead(branchFromEnvCi) ||
-      notHead(process.env.HEAD) ||
-      notHead(process.env.GERRIT_BRANCH) ||
+      notHead(prBranch) ||
+      notHead(ciBranch) ||
+      notHead(process.env.HEAD) || // https://www.netlify.com/docs/continuous-deployment/
+      notHead(process.env.GERRIT_BRANCH) || // https://wiki.jenkins.io/display/JENKINS/Gerrit+Trigger
+      notHead(process.env.GITHUB_REF) || // https://docs.github.com/en/free-pro-team@latest/actions/reference/environment-variables#default-environment-variables
       notHead(process.env.CI_BRANCH) ||
-      notHead(process.env.GITHUB_REF) ||
       notHead(branch) ||
       'HEAD';
   }
-  // REPOSITORY_URL is for netlify: https://www.netlify.com/docs/continuous-deployment/
+
   const fromCI =
+    isCi ||
     !!inputFromCI ||
     !!process.env.CI ||
-    !!process.env.REPOSITORY_URL ||
+    !!process.env.REPOSITORY_URL || // https://www.netlify.com/docs/continuous-deployment/
     !!process.env.GITHUB_REPOSITORY;
+
   log.debug(
     `git info: ${JSON.stringify({
       commit,
       committedAt,
       committerEmail,
       committerName,
       branch,
+      slug,
       isTravisPrBuild,
       fromCI,
     })}`
   );
-  return { commit, committedAt, committerEmail, committerName, branch, isTravisPrBuild, fromCI };
+
+  return {
+    commit,
+    committedAt,
+    committerEmail,
+    committerName,
+    branch,
+    slug,
+    isTravisPrBuild,
+    fromCI,
+  };
 }

bin/git/git.js

@@ -78,6 +78,12 @@ export async function getVersion() {
   return result.replace('git version ', '');
 }
 
+export async function getSlug() {
+  const result = await execGitCommand(`git config --get remote.origin.url`);
+  const [, slug] = result.match(/([^/:]+\/[^/]+?)(\.git)?/) || [];
+  return slug;
+}
+
 // NOTE: At some point we should check that the commit has been pushed to the
 // remote and the branch matches with origin/REF, but for now we are naive about
 // adhoc builds.

bin/main.test.js

@@ -135,6 +135,7 @@ jest.mock('./git/git', () => ({
   }),
   getBranch: () => 'branch',
   getBaselineCommits: () => ['baseline'],
+  getSlug: () => 'user/repo',
   getVersion: () => '2.24.1',
 }));
 

bin/tasks/gitInfo.js

@@ -1,7 +1,7 @@
 import picomatch from 'picomatch';
 
 import { getCommitAndBranch } from '../git/getCommitAndBranch';
-import { getBaselineCommits, getVersion } from '../git/git';
+import { getBaselineCommits, getSlug, getVersion } from '../git/git';
 import { createTask, transitionTo } from '../lib/tasks';
 import {
   initial,
@@ -22,6 +22,7 @@ export const setGitInfo = async (ctx, task) => {
   const { patchBaseRef, fromCI, ignoreLastBuildOnBranch, skip } = ctx.options;
 
   ctx.git = await getCommitAndBranch({ patchBaseRef, inputFromCI: fromCI, log: ctx.log });
+  ctx.git.slug = ctx.git.slug || (await getSlug());
   ctx.git.version = await getVersion();
   const { branch, commit } = ctx.git;
 

bin/tasks/gitInfo.test.js

@@ -1,5 +1,5 @@
 import { getCommitAndBranch } from '../git/getCommitAndBranch';
-import { getBaselineCommits, getVersion } from '../git/git';
+import { getBaselineCommits, getSlug, getVersion } from '../git/git';
 import { setGitInfo } from './gitInfo';
 
 jest.mock('../git/getCommitAndBranch');
@@ -11,6 +11,7 @@ describe('setGitInfo', () => {
   it('sets the git info on context', async () => {
     getCommitAndBranch.mockReturnValue({ commit: '123asdf', branch: 'something' });
     getBaselineCommits.mockReturnValue(['asd2344']);
+    getSlug.mockReturnValue('user/repo');
     getVersion.mockReturnValue('Git v1.0.0');
     const ctx = { log, options: {} };
     await setGitInfo(ctx, {});