feat: add needs-ci label

lib/node-labels.js

@@ -1,5 +1,6 @@
 'use strict'
 
+const ciNeededFolderRx = /^(deps|lib|src|test)\//
 // order of entries in this map *does* matter for the resolved labels
 // earlier entries override later entries
 const subSystemLabelsMap = new Map([
@@ -37,10 +38,10 @@ const subSystemLabelsMap = new Map([
   [/^src\/node_bob*/, ['c++', 'quic', 'dont-land-on-v14.x', 'dont-land-on-v12.x']],
 
   // don't label python files as c++
-  [/^src\/.+\.py$/, 'lib / src'],
+  [/^src\/.+\.py$/, ['lib / src', 'needs-ci']],
 
   // properly label changes to v8 inspector integration-related files
-  [/^src\/inspector_/, ['c++', 'inspector']],
+  [/^src\/inspector_/, ['c++', 'inspector', 'needs-ci']],
 
   // don't want to label it a c++ update when we're "only" bumping the Node.js version
   [/^src\/(?!node_version\.h)/, 'c++'],
@@ -51,22 +52,24 @@ const subSystemLabelsMap = new Map([
   // things that edit top-level .md files are always a doc change
   [/^\w+\.md$/, 'doc'],
   // different variants of *Makefile and build files
-  [/^(tools\/)?(Makefile|BSDmakefile|create_android_makefiles|\.travis\.yml)$/, 'build'],
-  [/^tools\/(install\.py|genv8constants\.py|getnodeversion\.py|js2c\.py|utils\.py|configure\.d\/.*)$/, 'build'],
-  [/^vcbuild\.bat$/, ['build', 'windows']],
-  [/^(android-)?configure|node\.gyp|common\.gypi$/, 'build'],
+  [/^(tools\/)?(Makefile|BSDmakefile|create_android_makefiles|\.travis\.yml)$/, ['build', 'needs-ci']],
+  [/^tools\/(install\.py|genv8constants\.py|getnodeversion\.py|js2c\.py|utils\.py|configure\.d\/.*)$/, ['build', 'needs-ci']],
+  [/^vcbuild\.bat$/, ['build', 'windows', 'needs-ci']],
+  [/^(android-)?configure|node\.gyp|common\.gypi$/, ['build', 'needs-ci']],
   // more specific tools
-  [/^tools\/gyp/, ['tools', 'build']],
+  [/^tools\/gyp/, ['tools', 'build', 'needs-ci']],
   [/^tools\/doc\//, ['tools', 'doc']],
-  [/^tools\/icu\//, ['tools', 'intl']],
+  [/^tools\/icu\//, ['tools', 'intl', 'needs-ci']],
   [/^tools\/(?:osx-pkg\.pmdoc|pkgsrc)\//, ['tools', 'macos', 'install']],
   [/^tools\/(?:(?:mac)?osx-)/, ['tools', 'macos']],
   [/^tools\/test-npm/, ['tools', 'test', 'npm']],
   [/^tools\/test/, ['tools', 'test']],
   [/^tools\/(?:certdata|mkssldef|mk-ca-bundle)/, ['tools', 'openssl', 'tls']],
-  [/^tools\/msvs\//, ['tools', 'windows', 'install']],
-  [/^tools\/[^/]+\.bat$/, ['tools', 'windows']],
-  [/^tools\/make-v8/, ['tools', 'V8 Engine']],
+  [/^tools\/msvs\//, ['tools', 'windows', 'install', 'needs-ci']],
+  [/^tools\/[^/]+\.bat$/, ['tools', 'windows', 'needs-ci']],
+  [/^tools\/make-v8/, ['tools', 'V8 Engine', 'needs-ci']],
+  [/^tools\/(code_cache|snapshot|v8_gypfiles)/, 'needs-ci'],
+  [/^tools\/build-addons.js/, 'needs-ci'],
   // all other tool changes should be marked as such
   [/^tools\//, 'tools'],
   [/^\.eslint|\.remark|\.editorconfig/, 'tools'],
@@ -239,6 +242,10 @@ function matchSubSystemsByRegex (rxLabelsMap, filepathsChanged, limitLabels) {
   const labelCount = []
   // by putting matched labels into a map, we avoid duplicate labels
   const labelsMap = filepathsChanged.reduce((map, filepath) => {
+    if (ciNeededFolderRx.test(filepath) && !map['needs-ci']) {
+      map['needs-ci'] = true
+    }
+
     const mappedSubSystems = mappedSubSystemsForFile(rxLabelsMap, filepath)
 
     if (!mappedSubSystems) {
@@ -251,8 +258,8 @@ function matchSubSystemsByRegex (rxLabelsMap, filepathsChanged, limitLabels) {
       if (limitLabels && hasLibOrSrcChanges(filepathsChanged)) {
         if (labelCount.length >= 4) {
           for (const label of labelCount) {
-            // don't delete the c++ label as we always want that if it has matched
-            if (label !== 'c++') delete map[label]
+            // don't delete the `c++` or `needs-ci` labels as we always want those if they have matched
+            if (label !== 'c++' && label !== 'needs-ci') delete map[label]
           }
           map['lib / src'] = true
           // short-circuit

test/unit/node-build-label.test.js

@@ -24,7 +24,8 @@ tap.test('label: "build" when build related files has been changed', (t) => {
   buildRelatedFiles.forEach((filepath) => {
     const labels = nodeLabels.resolveLabels([ filepath ])
 
-    t.same(labels, ['build'], filepath + ' got "build" label')
+    t.ok(labels.includes('build'), filepath + ' should have "build" label')
+    t.ok(labels.includes('needs-ci'), filepath + ' should have "needs-ci" label')
   })
 
   t.end()
@@ -36,6 +37,7 @@ tap.test('labels: not "build" when Makefile in ./deps has been changed', (t) =>
   ])
 
   t.notOk(labels.includes('build'))
+  t.ok(labels.includes('needs-ci'))
 
   t.end()
 })

test/unit/node-js-subsystem-labels.test.js

@@ -38,6 +38,7 @@ tap.test('label: lib oddities', (t) => {
   const labels = nodeLabels.resolveLabels(libFiles, false)
 
   t.same(labels, [
+    'needs-ci',       // lib/
     'debugger',       // _debug_agent
     'http',           // _http_*
     'timers',         // linklist
@@ -62,6 +63,7 @@ tap.test('label: lib internals oddities duplicates', (t) => {
   const labels = nodeLabels.resolveLabels(libFiles)
 
   t.same(labels, [
+    'needs-ci',  // lib/
     'lib / src', // bootstrap_node
     'timers',    // linkedlist
     'stream'     // internal/streams/
@@ -108,6 +110,7 @@ tap.test('label: lib normal without "lib / src" limiting', (t) => {
 
   const labels = nodeLabels.resolveLabels(libFiles, false)
 
+  t.same(labels.shift(), 'needs-ci')
   t.same(labels, libFiles.map((path) => /lib\/(_)?(\w+)\.js/.exec(path)[2]))
 
   t.end()
@@ -127,6 +130,7 @@ tap.test('label: lib internals without "lib / src" limiting', (t) => {
 
   const labels = nodeLabels.resolveLabels(libFiles, false)
 
+  t.same(labels.shift(), 'needs-ci')
   t.same(labels, libFiles.map((path) => /lib\/internal\/(\w+)\.js/.exec(path)[1]))
 
   t.end()
@@ -169,7 +173,7 @@ tap.test('label: appropriate labels for files in internal subdirectories', (t) =
     'lib/internal/process/next_tick.js'
   ], false)
 
-  t.same(labels, ['cluster', 'process'])
+  t.same(labels, ['needs-ci', 'cluster', 'process'])
 
   t.end()
 })