From eb393886f75d8cdb809c89348060c8706dec7217 Mon Sep 17 00:00:00 2001
From: Bryan White <bryan.white@netlify.com>
Date: Thu, 24 Apr 2025 16:03:35 -0700
Subject: [PATCH 1/2] Let fs:delete wildcard patterns match paths that start
 with "."

Signed-off-by: Bryan White <bryan.white@netlify.com>
---
 .changeset/sad-taxes-bake.md                  |  5 ++
 .../actions/builtin/filesystem/delete.test.ts | 68 ++++++++++++++++++-
 .../actions/builtin/filesystem/delete.ts      |  1 +
 3 files changed, 72 insertions(+), 2 deletions(-)
 create mode 100644 .changeset/sad-taxes-bake.md

diff --git a/.changeset/sad-taxes-bake.md b/.changeset/sad-taxes-bake.md
new file mode 100644
index 0000000000..61a843a265
--- /dev/null
+++ b/.changeset/sad-taxes-bake.md
@@ -0,0 +1,5 @@
+---
+'@backstage/plugin-scaffolder-backend': patch
+---
+
+Fixed bug in fs:delete that prevented wildcard patterns from matching paths starting with "."
diff --git a/plugins/scaffolder-backend/src/scaffolder/actions/builtin/filesystem/delete.test.ts b/plugins/scaffolder-backend/src/scaffolder/actions/builtin/filesystem/delete.test.ts
index b0b16c6d12..efc2fe3143 100644
--- a/plugins/scaffolder-backend/src/scaffolder/actions/builtin/filesystem/delete.test.ts
+++ b/plugins/scaffolder-backend/src/scaffolder/actions/builtin/filesystem/delete.test.ts
@@ -40,8 +40,14 @@ describe('fs:delete', () => {
       [workspacePath]: {
         'unit-test-a.js': 'hello',
         'unit-test-b.js': 'world',
-        'a-folder': {
-          'unit-test-in-a-folder.js2': 'content',
+        '.dotfile': 'content',
+        '.dotdir': {
+          '.dotfile': 'content',
+          'reg-file.js': 'content',
+        },
+        regdir: {
+          '.dotfile': 'content',
+          'reg-file.js': 'content',
         },
       },
     });
@@ -165,4 +171,62 @@ describe('fs:delete', () => {
       expect(fileExists).toBe(false);
     });
   });
+
+  it('. pattern should match nested and hidden files', async () => {
+    const files = [
+      'unit-test-a.js',
+      'unit-test-b.js',
+      '.dotfile',
+      '.dotdir/.dotfile',
+      '.dotdir/reg-file.js',
+      'regdir/.dotfile',
+      'regdir/reg-file.js',
+    ];
+
+    files.forEach(file => {
+      const filePath = resolvePath(workspacePath, file);
+      const fileExists = fs.existsSync(filePath);
+      expect(fileExists).toBe(true);
+    });
+
+    await action.handler({
+      ...mockContext,
+      input: { files: ['.'] },
+    });
+
+    files.forEach(file => {
+      const filePath = resolvePath(workspacePath, file);
+      const fileExists = fs.existsSync(filePath);
+      expect(fileExists).toBe(false);
+    });
+  });
+
+  it('** pattern should match nested and hidden files', async () => {
+    const files = [
+      'unit-test-a.js',
+      'unit-test-b.js',
+      '.dotfile',
+      '.dotdir/.dotfile',
+      '.dotdir/reg-file.js',
+      'regdir/.dotfile',
+      'regdir/reg-file.js',
+    ];
+
+    files.forEach(file => {
+      const filePath = resolvePath(workspacePath, file);
+      const fileExists = fs.existsSync(filePath);
+      expect(fileExists).toBe(true);
+    });
+
+    await action.handler({
+      ...mockContext,
+      input: { files: ['**'] },
+    });
+
+    files.forEach(file => {
+      const filePath = resolvePath(workspacePath, file);
+      const fileExists = fs.existsSync(filePath);
+      expect(fileExists).toBe(false);
+    });
+  });
 });
diff --git a/plugins/scaffolder-backend/src/scaffolder/actions/builtin/filesystem/delete.ts b/plugins/scaffolder-backend/src/scaffolder/actions/builtin/filesystem/delete.ts
index b2f9cddea4..5f894a4b3e 100644
--- a/plugins/scaffolder-backend/src/scaffolder/actions/builtin/filesystem/delete.ts
+++ b/plugins/scaffolder-backend/src/scaffolder/actions/builtin/filesystem/delete.ts
@@ -61,6 +61,7 @@ export const createFilesystemDeleteAction = () => {
         const resolvedPaths = await globby(safeFilepath, {
           cwd: ctx.workspacePath,
           absolute: true,
+          dot: true,
         });
 
         for (const filepath of resolvedPaths) {

From b8bd6a11bbccb0827e515cf88e42814c4c7ed9c4 Mon Sep 17 00:00:00 2001
From: Bryan White <bryan.white@netlify.com>
Date: Thu, 24 Apr 2025 17:11:24 -0700
Subject: [PATCH 2/2] Add fs:delete recursive delete example

Signed-off-by: Bryan White <bryan.white@netlify.com>
---
 .../actions/builtin/filesystem/delete.examples.ts | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/plugins/scaffolder-backend/src/scaffolder/actions/builtin/filesystem/delete.examples.ts b/plugins/scaffolder-backend/src/scaffolder/actions/builtin/filesystem/delete.examples.ts
index a32249f210..8fa15fd2d7 100644
--- a/plugins/scaffolder-backend/src/scaffolder/actions/builtin/filesystem/delete.examples.ts
+++ b/plugins/scaffolder-backend/src/scaffolder/actions/builtin/filesystem/delete.examples.ts
@@ -48,4 +48,19 @@ export const examples: TemplateExample[] = [
       ],
     }),
   },
+  {
+    description: 'Delete all files in workspace',
+    example: yaml.stringify({
+      steps: [
+        {
+          action: 'fs:delete',
+          id: 'deleteFiles',
+          name: 'Delete files',
+          input: {
+            files: ['**'],
+          },
+        },
+      ],
+    }),
+  },
 ];