Disable extensions.worktreeConfig when disabling sparse-checkout (#1692)

Bumps the minor-actions-dependencies group with 2 updates: [docker/login-action](https://github.com/docker/login-action) and [docker/build-push-action](https://github.com/docker/build-push-action).


Updates `docker/login-action` from 3.0.0 to 3.1.0
- [Release notes](https://github.com/docker/login-action/releases)
- [Commits](https://github.com/docker/login-action/compare/v3.0.0...v3.1.0)

Updates `docker/build-push-action` from 5.1.0 to 5.3.0
- [Release notes](https://github.com/docker/build-push-action/releases)
- [Commits](https://github.com/docker/build-push-action/compare/v5.1.0...v5.3.0)

---
updated-dependencies:
- dependency-name: docker/login-action
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: minor-actions-dependencies
- dependency-name: docker/build-push-action
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: minor-actions-dependencies
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

.github/dependabot.yml

@@ -0,0 +1,20 @@
+---
+version: 2
+
+updates:
+- package-ecosystem: "npm"
+  directory: "/"
+  schedule:
+    interval: "weekly"
+  groups:
+    minor-npm-dependencies:
+      # NPM: Only group minor and patch updates (we want to carefully review major updates)
+      update-types: [minor, patch]
+- package-ecosystem: "github-actions"
+  directory: "/"
+  schedule:
+    interval: "weekly"
+  groups:
+    minor-actions-dependencies:
+      # GitHub Actions: Only group minor and patch updates (we want to carefully review major updates)
+      update-types: [minor, patch]

.github/workflows/test.yml

@@ -8,7 +8,7 @@ on:
       - releases/*
 
 
-# Note that when you see patterns like "ref: test-data/v2/basic" within this workflow, 
+# Note that when you see patterns like "ref: test-data/v2/basic" within this workflow,
 # these refer to "test-data" branches on this actions/checkout repo.
 # (For example, test-data/v2/basic -> https://github.com/actions/checkout/tree/test-data/v2/basic)
 
@@ -37,7 +37,7 @@ jobs:
     steps:
       # Clone this repo
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4.1.1
 
       # Basic checkout
       - name: Checkout basic
@@ -257,7 +257,7 @@ jobs:
           path: basic
       - name: Verify basic
         run: __test__/verify-basic.sh --archive
-    
+
   test-git-container:
     runs-on: ubuntu-latest
     container: bitnami/git:latest

.github/workflows/update-test-ubuntu-git.yml

@@ -31,7 +31,7 @@ jobs:
       # Use `docker/login-action` to log in to GHCR.io. 
       # Once published, the packages are scoped to the account defined here.
       - name: Log in to the ghcr.io container registry
-        uses: docker/login-action@v3.0.0
+        uses: docker/login-action@v3.1.0
         with:
           registry: ${{ env.REGISTRY }}
           username: ${{ github.actor }}
@@ -48,7 +48,7 @@ jobs:
 
       # Use `docker/build-push-action` to build (and optionally publish) the image. 
       - name: Build Docker Image (with optional Push)
-        uses: docker/build-push-action@v5.1.0
+        uses: docker/build-push-action@v5.3.0
         with:
           context: .
           file: images/test-ubuntu-git.Dockerfile

__test__/verify-basic.sh

@@ -18,6 +18,20 @@ else
     exit 1
   fi
 
+  # Verify that sparse-checkout is disabled.
+  SPARSE_CHECKOUT_ENABLED=$(git -C ./basic config --local --get-all core.sparseCheckout)
+  if [ "$SPARSE_CHECKOUT_ENABLED" != "" ]; then
+    echo "Expected sparse-checkout to be disabled (discovered: $SPARSE_CHECKOUT_ENABLED)"
+    exit 1
+  fi
+
+  # Verify git configuration shows worktreeConfig is effectively disabled
+  WORKTREE_CONFIG_ENABLED=$(git -C ./basic config --local --get-all extensions.worktreeConfig)
+  if [[ "$WORKTREE_CONFIG_ENABLED" != "" ]]; then
+    echo "Expected extensions.worktreeConfig (boolean) to be disabled in git config.  This could be an artifact of sparse checkout functionality."
+    exit 1
+  fi
+
   # Verify auth token
   cd basic
   git fetch --no-tags --depth=1 origin +refs/heads/main:refs/remotes/origin/main

dist/index.js

@@ -582,6 +582,8 @@ class GitCommandManager {
     disableSparseCheckout() {
         return __awaiter(this, void 0, void 0, function* () {
             yield this.execGit(['sparse-checkout', 'disable']);
+            // Disabling 'sparse-checkout` leaves behind an undesirable side-effect in config (even in a pristine environment).
+            yield this.tryConfigUnset('extensions.worktreeConfig', false);
         });
     }
     sparseCheckout(sparseCheckout) {

src/git-command-manager.ts

@@ -178,6 +178,8 @@ class GitCommandManager {
 
   async disableSparseCheckout(): Promise<void> {
     await this.execGit(['sparse-checkout', 'disable'])
+    // Disabling 'sparse-checkout` leaves behind an undesirable side-effect in config (even in a pristine environment).
+    await this.tryConfigUnset('extensions.worktreeConfig', false)
   }
 
   async sparseCheckout(sparseCheckout: string[]): Promise<void> {