Add glob option to ignore hidden files (actions#1791)

* Add glob option to ignore hidden files

* Use the basename of the file/directory to check for `.`

* Ensure the `excludeHiddenFiles` is properly copied

* Allow the root directory to be matched

* Fix description of `excludeHiddenFiles`

* Document Windows hidden attribute limitation

* Bump version

* `lint`

* Document 0.5.0 release

* Lint again

packages/glob/RELEASES.md

@@ -1,5 +1,8 @@
 # @actions/glob Releases
 
+### 0.5.0
+- Added `excludeHiddenFiles` option, which is disabled by default to preserve existing behavior [#1791: Add glob option to ignore hidden files](https://github.com/actions/toolkit/pull/1791)
+
 ### 0.4.0
 - Pass in the current workspace as a parameter to HashFiles [#1318](https://github.com/actions/toolkit/pull/1318)
 

packages/glob/__tests__/internal-globber.test.ts

@@ -708,7 +708,7 @@ describe('globber', () => {
     expect(itemPaths).toEqual([])
   })
 
-  it('returns hidden files', async () => {
+  it('returns hidden files by default', async () => {
     // Create the following layout:
     //   <root>
     //   <root>/.emptyFolder
@@ -734,6 +734,26 @@ describe('globber', () => {
     ])
   })
 
+  it('ignores hidden files when excludeHiddenFiles is set', async () => {
+    // Create the following layout:
+    //   <root>
+    //   <root>/.emptyFolder
+    //   <root>/.file
+    //   <root>/.folder
+    //   <root>/.folder/file
+    const root = path.join(getTestTemp(), 'ignores-hidden-files')
+    await createHiddenDirectory(path.join(root, '.emptyFolder'))
+    await createHiddenDirectory(path.join(root, '.folder'))
+    await createHiddenFile(path.join(root, '.file'), 'test .file content')
+    await fs.writeFile(
+      path.join(root, '.folder', 'file'),
+      'test .folder/file content'
+    )
+
+    const itemPaths = await glob(root, {excludeHiddenFiles: true})
+    expect(itemPaths).toEqual([root])
+  })
+
   it('returns normalized paths', async () => {
     // Create the following layout:
     //   <root>/hello/world.txt

packages/glob/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@actions/glob",
-  "version": "0.4.0",
+  "version": "0.5.0",
   "preview": true,
   "description": "Actions glob lib",
   "keywords": [

packages/glob/src/internal-glob-options-helper.ts

@@ -9,7 +9,8 @@ export function getOptions(copy?: GlobOptions): GlobOptions {
     followSymbolicLinks: true,
     implicitDescendants: true,
     matchDirectories: true,
-    omitBrokenSymbolicLinks: true
+    omitBrokenSymbolicLinks: true,
+    excludeHiddenFiles: false
   }
 
   if (copy) {
@@ -32,6 +33,11 @@ export function getOptions(copy?: GlobOptions): GlobOptions {
       result.omitBrokenSymbolicLinks = copy.omitBrokenSymbolicLinks
       core.debug(`omitBrokenSymbolicLinks '${result.omitBrokenSymbolicLinks}'`)
     }
+
+    if (typeof copy.excludeHiddenFiles === 'boolean') {
+      result.excludeHiddenFiles = copy.excludeHiddenFiles
+      core.debug(`excludeHiddenFiles '${result.excludeHiddenFiles}'`)
+    }
   }
 
   return result

packages/glob/src/internal-glob-options.ts

@@ -36,4 +36,13 @@ export interface GlobOptions {
    * @default true
    */
   omitBrokenSymbolicLinks?: boolean
+
+  /**
+   * Indicates whether to exclude hidden files (files and directories starting with a `.`).
+   * This does not apply to Windows files and directories with the hidden attribute unless
+   * they are also prefixed with a `.`.
+   *
+   * @default false
+   */
+  excludeHiddenFiles?: boolean
 }

packages/glob/src/internal-globber.ts

@@ -128,6 +128,11 @@ export class DefaultGlobber implements Globber {
         continue
       }
 
+      // Hidden file or directory?
+      if (options.excludeHiddenFiles && path.basename(item.path).match(/^\./)) {
+        continue
+      }
+
       // Directory
       if (stats.isDirectory()) {
         // Matched