fix: use git remote for branches

Fixes #329

.github/settings.yml

@@ -24,29 +24,3 @@ branches:
         apps: []
         users: []
         teams: [ "cli-team" ]
-  - name: latest
-    protection:
-      required_status_checks: null
-      enforce_admins: true
-      required_pull_request_reviews:
-        required_approving_review_count: 1
-        require_code_owner_reviews: true
-        require_last_push_approval: true
-        dismiss_stale_reviews: true
-      restrictions:
-        apps: []
-        users: []
-        teams: [ "cli-team" ]
-  - name: release/v*
-    protection:
-      required_status_checks: null
-      enforce_admins: true
-      required_pull_request_reviews:
-        required_approving_review_count: 1
-        require_code_owner_reviews: true
-        require_last_push_approval: true
-        dismiss_stale_reviews: true
-      restrictions:
-        apps: []
-        users: []
-        teams: [ "cli-team" ]

.github/workflows/ci-test-workspace.yml

@@ -10,8 +10,6 @@ on:
   push:
     branches:
       - main
-      - latest
-      - release/v*
     paths:
       - workspace/test-workspace/**
   schedule:

.github/workflows/ci.yml

@@ -10,8 +10,6 @@ on:
   push:
     branches:
       - main
-      - latest
-      - release/v*
     paths-ignore:
       - workspace/test-workspace/**
   schedule:

.github/workflows/codeql-analysis.yml

@@ -6,13 +6,9 @@ on:
   push:
     branches:
       - main
-      - latest
-      - release/v*
   pull_request:
     branches:
       - main
-      - latest
-      - release/v*
   schedule:
     # "At 10:00 UTC (03:00 PT) on Monday" https://crontab.guru/#0_10_*_*_1
     - cron: "0 10 * * 1"

.github/workflows/release.yml

@@ -11,8 +11,6 @@ on:
   push:
     branches:
       - main
-      - latest
-      - release/v*
 
 permissions:
   contents: write

lib/config.js

@@ -2,7 +2,7 @@ const { relative, dirname, join, extname, posix, win32 } = require('path')
 const { defaults, pick, omit, uniq } = require('lodash')
 const semver = require('semver')
 const parseCIVersions = require('./util/parse-ci-versions.js')
-const getGitUrl = require('./util/get-git-url.js')
+const git = require('./util/git.js')
 const gitignore = require('./util/gitignore.js')
 const { mergeWithArrays } = require('./util/merge.js')
 const { FILE_KEYS, parseConfig: parseFiles, getAddedFiles, mergeFiles } = require('./util/files.js')
@@ -261,7 +261,7 @@ const getFullConfig = async ({
     }
   }
 
-  const gitUrl = await getGitUrl(rootPkg.path)
+  const gitUrl = await git.getUrl(rootPkg.path)
   if (gitUrl) {
     derived.repository = {
       type: 'git',
@@ -270,6 +270,10 @@ const getFullConfig = async ({
     }
   }
 
+  const remoteBranches = await git.getBranches(rootPkg.path, pkgConfig.branches)
+  derived.branches = remoteBranches.branches
+  derived.branchPatterns = remoteBranches.patterns
+
   return {
     ...pkgConfig,
     ...derived,

lib/content/_on-ci.yml

@@ -12,7 +12,7 @@ pull_request:
   {{/if}}
 push:
   branches:
-    {{#each branches}}
+    {{#each branchPatterns}}
     - {{ . }}
     {{/each}}
   {{#if isWorkspace}}

lib/content/codeql-analysis.yml

@@ -3,12 +3,12 @@ name: CodeQL
 on:
   push:
     branches:
-      {{#each branches}}
+      {{#each branchPatterns}}
       - {{ . }}
       {{/each}}
   pull_request:
     branches:
-      {{#each branches}}
+      {{#each branchPatterns}}
       - {{ . }}
       {{/each}}
   schedule:

lib/content/release.yml

@@ -8,7 +8,7 @@ on:
         type: string
   push:
     branches:
-      {{#each branches}}
+      {{#each branchPatterns}}
       - {{ . }}
       {{/each}}
 

lib/util/git.js

@@ -0,0 +1,63 @@
+const hgi = require('hosted-git-info')
+const git = require('@npmcli/git')
+const { minimatch } = require('minimatch')
+
+const cache = new Map()
+
+const tryGit = async (path, ...args) => {
+  if (!await git.is({ cwd: path })) {
+    throw new Error('no git')
+  }
+  const key = [path, ...args].join(',')
+  if (cache.has(key)) {
+    return cache.get(key)
+  }
+  const res = git.spawn(args, { cwd: path }).then(r => r.stdout.trim())
+  cache.set(key, res)
+  return res
+}
+
+// parse a repo from a git origin into a format
+// for a package.json#repository object
+const getUrl = async (path) => {
+  try {
+    const urlStr = await tryGit(path, 'remote', 'get-url', 'origin')
+    const { domain, user, project } = hgi.fromUrl(urlStr)
+    const url = new URL(`https://${domain}`)
+    url.pathname = `/${user}/${project}.git`
+    return url.toString()
+  } catch {
+    // errors are ignored
+  }
+}
+
+const getBranches = async (path, branchPatterns) => {
+  let matchingBranches = new Set()
+  let matchingPatterns = new Set()
+
+  try {
+    const res = await tryGit(path, 'ls-remote', '--heads', 'origin').then(r => r.split('\n'))
+    const remotes = res.map((h) => h.match(/refs\/heads\/(.*)$/)).filter(Boolean).map(h => h[1])
+    for (const branch of remotes) {
+      for (const pattern of branchPatterns) {
+        if (minimatch(branch, pattern)) {
+          matchingBranches.add(branch)
+          matchingPatterns.add(pattern)
+        }
+      }
+    }
+  } catch {
+    matchingBranches = new Set()
+    matchingPatterns = new Set(branchPatterns)
+  }
+
+  return {
+    branches: [...matchingBranches],
+    patterns: [...matchingPatterns],
+  }
+}
+
+module.exports = {
+  getUrl,
+  getBranches,
+}