chore: rebuild dist

* Detect commit hashes from merge_group event

* Apply suggestion from @masaru-iritani

Co-authored-by: Masaru Iritani <25241373+masaru-iritani@users.noreply.github.com>

* refactor: update PullRequest type usage in getChangedFilesFromApi and related functions

* Run `npm run pack`

---------

Co-authored-by: Sascha Bratton <sascha@brattonbratton.com>

.github/workflows/build.yml

@@ -10,10 +10,10 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v4
-    - uses: actions/setup-node@v4
+    - uses: actions/checkout@v6
+    - uses: actions/setup-node@v6
       with:
-        node-version: 20
+        node-version: 24
         cache: 'npm'
     - run: |
         npm install
@@ -22,7 +22,7 @@ jobs:
   self-test:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v6
     - uses: ./
       id: filter
       with:

.github/workflows/pull-request-verification.yml

@@ -10,21 +10,28 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v4
-    - uses: actions/setup-node@v4
+    - uses: actions/checkout@v6
+    - uses: actions/setup-node@v6
       with:
-        node-version: 20
+        node-version: 24
         cache: 'npm'
     - run: |
         npm install
         npm run all
+    - name: Check dist is up to date
+      run: |
+        if [ -n "$(git diff --name-only dist/)" ]; then
+          echo "::error::dist/index.js is out of date. Run 'npm run all' and commit the result."
+          git diff --stat dist/
+          exit 1
+        fi
 
   test-inline:
     runs-on: ubuntu-latest
     permissions:
       pull-requests: read
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v6
     - uses: ./
       id: filter
       with:
@@ -45,7 +52,7 @@ jobs:
     permissions:
       pull-requests: read
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v6
     - uses: ./
       id: filter
       with:
@@ -57,7 +64,7 @@ jobs:
   test-without-token:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v6
     - uses: ./
       id: filter
       with:
@@ -70,7 +77,7 @@ jobs:
   test-wd-without-token:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v6
       with:
         path: somewhere
     - uses: ./somewhere
@@ -86,7 +93,7 @@ jobs:
   test-local-changes:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v6
     - run: echo "NEW FILE" > local
     - run: git add local
     - uses: ./
@@ -106,7 +113,7 @@ jobs:
   test-change-type:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v6
     - name: configure GIT user
       run: git config user.email "john@nowhere.local" && git config user.name "John Doe"
     - name: modify working tree

CHANGELOG.md

@@ -1,5 +1,8 @@
 # Changelog
 
+## v4.0.0
+- [Update action runtime to node24](https://github.com/dorny/paths-filter/pull/294)
+
 ## v3.0.3
 - [Add missing predicate-quantifier](https://github.com/dorny/paths-filter/pull/279)
 

README.md

@@ -27,6 +27,11 @@ don't allow this because they don't work on a level of individual jobs or steps.
   - The `base` input parameter must not be the same as the branch that triggered the workflow
   - Changes are detected against the merge-base with the configured base branch or the default branch
   - Uses git commands to detect changes - repository must be already [checked out](https://github.com/actions/checkout)
+- **[Merge queue](https://docs.github.com/en/repositories/configuring-branches-and-merges-in-your-repository/configuring-pull-request-merges/managing-a-merge-queue):**
+  - Workflow triggered by **[merge_group](https://docs.github.com/en/actions/reference/events-that-trigger-workflows#merge_group)**
+  - The `base` and `ref` input parameters default to commit hashes from the event
+    unless explicitly specified.
+  - Uses git commands to detect changes - repository must be already [checked out](https://github.com/actions/checkout)
 - **Master, Release, or other long-lived branches:**
   - Workflow triggered by **[push](https://docs.github.com/en/actions/reference/events-that-trigger-workflows#push)** event
   when `base` input parameter is the same as the branch that triggered the workflow:
@@ -46,7 +51,7 @@ don't allow this because they don't work on a level of individual jobs or steps.
 ## Example
 
 ```yaml
-- uses: dorny/paths-filter@v3
+- uses: dorny/paths-filter@v4
   id: changes
   with:
     filters: |
@@ -72,7 +77,7 @@ For more scenarios see [examples](#examples) section.
 
 ## What's New
 
-- New major release `v3` after update to Node 20 [Breaking change]
+- New major release `v4` after update to Node 24 [Breaking change]
 - Add `ref` input parameter
 - Add `list-files: csv` format
 - Configure matrix job to run for each folder with changes using `changes` output
@@ -84,7 +89,7 @@ For more information, see [CHANGELOG](https://github.com/dorny/paths-filter/blob
 ## Usage
 
 ```yaml
-- uses: dorny/paths-filter@v3
+- uses: dorny/paths-filter@v4
   with:
     # Defines filters applied to detected changed files.
     # Each filter has a name and a list of rules.
@@ -104,6 +109,8 @@ For more information, see [CHANGELOG](https://github.com/dorny/paths-filter/blob
     # Branch, tag, or commit SHA against which the changes will be detected.
     # If it references the same branch it was pushed to,
     # changes are detected against the most recent commit before the push.
+    # If it is empty and action is triggered by merge_group event,
+    # the base commit in the event will be used.
     # Otherwise, it uses git merge-base to find the best common ancestor between
     # current branch (HEAD) and base.
     # When merge-base is found, it's used for change detection - only changes
@@ -117,6 +124,8 @@ For more information, see [CHANGELOG](https://github.com/dorny/paths-filter/blob
     # Git reference (e.g. branch name) from which the changes will be detected.
     # Useful when workflow can be triggered only on the default branch (e.g. repository_dispatch event)
     # but you want to get changes on a different branch.
+    # If this is empty and action is triggered by merge_group event,
+    # the head commit in the event will be used.
     # This option is ignored if action is triggered by pull_request event.
     # default: ${{ github.ref }}
     ref:
@@ -154,14 +163,14 @@ For more information, see [CHANGELOG](https://github.com/dorny/paths-filter/blob
     # Default: ${{ github.token }}
     token: ''
 
-    # Optional parameter to override the default behavior of file matching algorithm. 
+    # Optional parameter to override the default behavior of file matching algorithm.
     # By default files that match at least one pattern defined by the filters will be included.
     # This parameter allows to override the "at least one pattern" behavior to make it so that
-    # all of the patterns have to match or otherwise the file is excluded. 
-    # An example scenario where this is useful if you would like to match all 
-    # .ts files in a sub-directory but not .md files. 
-    # The filters below will match markdown files despite the exclusion syntax UNLESS 
-    # you specify 'every' as the predicate-quantifier parameter. When you do that, 
+    # all of the patterns have to match or otherwise the file is excluded.
+    # An example scenario where this is useful if you would like to match all
+    # .ts files in a sub-directory but not .md files.
+    # The filters below will match markdown files despite the exclusion syntax UNLESS
+    # you specify 'every' as the predicate-quantifier parameter. When you do that,
     # it will only match the .ts files in the subdirectory as expected.
     #
     # backend:
@@ -192,8 +201,8 @@ jobs:
   tests:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v4
-    - uses: dorny/paths-filter@v3
+    - uses: actions/checkout@v6
+    - uses: dorny/paths-filter@v4
       id: filter
       with:
         filters: |
@@ -237,7 +246,7 @@ jobs:
       frontend: ${{ steps.filter.outputs.frontend }}
     steps:
     # For pull requests it's not necessary to checkout the code
-    - uses: dorny/paths-filter@v3
+    - uses: dorny/paths-filter@v4
       id: filter
       with:
         filters: |
@@ -252,7 +261,7 @@ jobs:
     if: ${{ needs.changes.outputs.backend == 'true' }}
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - ...
 
   # JOB to build and test frontend code
@@ -261,7 +270,7 @@ jobs:
     if: ${{ needs.changes.outputs.frontend == 'true' }}
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - ...
 ```
 
@@ -283,7 +292,7 @@ jobs:
       packages: ${{ steps.filter.outputs.changes }}
     steps:
     # For pull requests it's not necessary to checkout the code
-    - uses: dorny/paths-filter@v3
+    - uses: dorny/paths-filter@v4
       id: filter
       with:
         filters: |
@@ -300,7 +309,7 @@ jobs:
         package: ${{ fromJSON(needs.changes.outputs.packages) }}
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - ...
 ```
 
@@ -317,6 +326,12 @@ on:
     branches: # PRs to the following branches will trigger the workflow
       - master
       - develop
+  # Optionally you can use the action in the merge queue
+  # if your repository enables the feature.
+  merge_group:
+    branches:
+      - master
+      - develop
 jobs:
   build:
     runs-on: ubuntu-latest
@@ -324,8 +339,8 @@ jobs:
     permissions:
       pull-requests: read
     steps:
-    - uses: actions/checkout@v4
-    - uses: dorny/paths-filter@v3
+    - uses: actions/checkout@v6
+    - uses: dorny/paths-filter@v4
       id: filter
       with:
         filters: ... # Configure your filters
@@ -345,12 +360,12 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v6
       with:
         # This may save additional git fetch roundtrip if
         # merge-base is found within latest 20 commits
         fetch-depth: 20
-    - uses: dorny/paths-filter@v3
+    - uses: dorny/paths-filter@v4
       id: filter
       with:
         base: develop # Change detection against merge-base with this branch
@@ -373,8 +388,8 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v4
-    - uses: dorny/paths-filter@v3
+    - uses: actions/checkout@v6
+    - uses: dorny/paths-filter@v4
       id: filter
       with:
         # Use context to get the branch where commits were pushed.
@@ -401,14 +416,14 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v6
 
       # Some action that modifies files tracked by git (e.g. code linter)
     - uses: johndoe/some-action@v1
 
       # Filter to detect which files were modified
       # Changes could be, for example, automatically committed
-    - uses: dorny/paths-filter@v3
+    - uses: dorny/paths-filter@v4
       id: filter
       with:
         base: HEAD
@@ -423,7 +438,7 @@ jobs:
   <summary>Define filter rules in own file</summary>
 
 ```yaml
-- uses: dorny/paths-filter@v3
+- uses: dorny/paths-filter@v4
       id: filter
       with:
         # Path to file where filters are defined
@@ -436,7 +451,7 @@ jobs:
   <summary>Use YAML anchors to reuse path expression(s) inside another rule</summary>
 
 ```yaml
-- uses: dorny/paths-filter@v3
+- uses: dorny/paths-filter@v4
       id: filter
       with:
         # &shared is YAML anchor,
@@ -457,7 +472,7 @@ jobs:
   <summary>Consider if file was added, modified or deleted</summary>
 
 ```yaml
-- uses: dorny/paths-filter@v3
+- uses: dorny/paths-filter@v4
       id: filter
       with:
         # Changed file can be 'added', 'modified', or 'deleted'.
@@ -483,7 +498,7 @@ jobs:
   <summary>Detect changes in folder only for some file extensions</summary>
 
 ```yaml
-- uses: dorny/paths-filter@v3
+- uses: dorny/paths-filter@v4
       id: filter
       with:
         # This makes it so that all the patterns have to match a file for it to be
@@ -511,7 +526,7 @@ jobs:
   <summary>Passing list of modified files as command line args in Linux shell</summary>
 
 ```yaml
-- uses: dorny/paths-filter@v3
+- uses: dorny/paths-filter@v4
   id: filter
   with:
     # Enable listing of files matching each filter.
@@ -537,7 +552,7 @@ jobs:
   <summary>Passing list of modified files as JSON array to another action</summary>
 
 ```yaml
-- uses: dorny/paths-filter@v3
+- uses: dorny/paths-filter@v4
   id: filter
   with:
     # Enable listing of files matching each filter.

action.yml

@@ -53,7 +53,7 @@ outputs:
   changes:
     description: JSON array with names of all filters matching any of changed files
 runs:
-  using: 'node20'
+  using: 'node24'
   main: 'dist/index.js'
 branding:
   color: blue

dist/index.js

@@ -363,8 +363,8 @@ exports.listAllFilesAsAdded = listAllFilesAsAdded;
 async function getCurrentRef() {
     core.startGroup(`Get current git ref`);
     try {
-        const branch = (await (0, exec_1.getExecOutput)('git', ['branch', '--show-current'])).stdout.trim();
-        if (branch) {
+        const branch = (await (0, exec_1.getExecOutput)('git', ['rev-parse', '--abbrev-ref', 'HEAD'])).stdout.trim();
+        if (branch && branch !== 'HEAD') {
             return branch;
         }
         const describe = await (0, exec_1.getExecOutput)('git', ['describe', '--tags', '--exact-match'], { ignoreReturnCode: true });
@@ -617,33 +617,49 @@ async function getChangedFiles(token, base, ref, initialFetchDepth) {
         }
         return await git.getChangesOnHead();
     }
-    const prEvents = ['pull_request', 'pull_request_review', 'pull_request_review_comment', 'pull_request_target'];
-    if (prEvents.includes(github.context.eventName)) {
-        if (ref) {
-            core.warning(`'ref' input parameter is ignored when 'base' is set to HEAD`);
+    switch (github.context.eventName) {
+        // To keep backward compatibility, commits in GitHub pull request event
+        // take precedence over manual inputs.
+        case 'pull_request':
+        case 'pull_request_review':
+        case 'pull_request_review_comment':
+        case 'pull_request_target': {
+            if (ref) {
+                core.warning(`'ref' input parameter is ignored when 'base' is set to HEAD`);
+            }
+            if (base) {
+                core.warning(`'base' input parameter is ignored when action is triggered by pull request event`);
+            }
+            const pr = github.context.payload.pull_request;
+            if (token) {
+                return await getChangedFilesFromApi(token, pr);
+            }
+            if (github.context.eventName === 'pull_request_target') {
+                // pull_request_target is executed in context of base branch and GITHUB_SHA points to last commit in base branch
+                // Therefore it's not possible to look at changes in last commit
+                // At the same time we don't want to fetch any code from forked repository
+                throw new Error(`'token' input parameter is required if action is triggered by 'pull_request_target' event`);
+            }
+            core.info('Github token is not available - changes will be detected using git diff');
+            const baseSha = (_a = github.context.payload.pull_request) === null || _a === void 0 ? void 0 : _a.base.sha;
+            const defaultBranch = (_b = github.context.payload.repository) === null || _b === void 0 ? void 0 : _b.default_branch;
+            const currentRef = await git.getCurrentRef();
+            return await git.getChanges(base || baseSha || defaultBranch, currentRef);
         }
-        if (base) {
-            core.warning(`'base' input parameter is ignored when action is triggered by pull request event`);
+        // To keep backward compatibility, manual inputs take precedence over
+        // commits in GitHub merge queue event.
+        case 'merge_group': {
+            const mergeGroup = github.context.payload;
+            if (!base) {
+                base = mergeGroup.merge_group.base_sha;
+            }
+            if (!ref) {
+                ref = mergeGroup.merge_group.head_sha;
+            }
+            break;
         }
-        const pr = github.context.payload.pull_request;
-        if (token) {
-            return await getChangedFilesFromApi(token, pr);
-        }
-        if (github.context.eventName === 'pull_request_target') {
-            // pull_request_target is executed in context of base branch and GITHUB_SHA points to last commit in base branch
-            // Therefor it's not possible to look at changes in last commit
-            // At the same time we don't want to fetch any code from forked repository
-            throw new Error(`'token' input parameter is required if action is triggered by 'pull_request_target' event`);
-        }
-        core.info('Github token is not available - changes will be detected using git diff');
-        const baseSha = (_a = github.context.payload.pull_request) === null || _a === void 0 ? void 0 : _a.base.sha;
-        const defaultBranch = (_b = github.context.payload.repository) === null || _b === void 0 ? void 0 : _b.default_branch;
-        const currentRef = await git.getCurrentRef();
-        return await git.getChanges(base || baseSha || defaultBranch, currentRef);
-    }
-    else {
-        return getChangedFilesFromGit(base, ref, initialFetchDepth);
     }
+    return getChangedFilesFromGit(base, ref, initialFetchDepth);
 }
 async function getChangedFilesFromGit(base, head, initialFetchDepth) {
     var _a;

package-lock.json

@@ -18,7 +18,7 @@
         "@octokit/webhooks-types": "^7.3.1",
         "@types/jest": "^29.5.11",
         "@types/js-yaml": "^4.0.9",
-        "@types/node": "^20.11.6",
+        "@types/node": "^24.0.0",
         "@types/picomatch": "^2.3.3",
         "@typescript-eslint/eslint-plugin": "^6.19.1",
         "@typescript-eslint/parser": "^6.19.1",
@@ -34,7 +34,7 @@
         "typescript": "^5.3.3"
       },
       "engines": {
-        "node": ">= 20"
+        "node": ">= 24"
       }
     },
     "node_modules/@aashutoshrathi/word-wrap": {
@@ -199,6 +199,7 @@
       "resolved": "https://registry.npmjs.org/@babel/core/-/core-7.23.7.tgz",
       "integrity": "sha512-+UpDgowcmqe36d4NwqvKsyPMlOLNGMsfMmQ5WGCu+siCe3t3dfe9njrzGfdN4qq+bcNUt0+Vw6haRxBOycs4dw==",
       "dev": true,
+      "peer": true,
       "dependencies": {
         "@ampproject/remapping": "^2.2.0",
         "@babel/code-frame": "^7.23.5",
@@ -1390,6 +1391,7 @@
       "version": "5.1.0",
       "resolved": "https://registry.npmjs.org/@octokit/core/-/core-5.1.0.tgz",
       "integrity": "sha512-BDa2VAMLSh3otEiaMJ/3Y36GU4qf6GI+VivQ/P41NC6GHcdxpKlqV0ikSZ5gdQsmS3ojXeRx5vasgNTinF0Q4g==",
+      "peer": true,
       "dependencies": {
         "@octokit/auth-token": "^4.0.0",
         "@octokit/graphql": "^7.0.0",
@@ -1641,12 +1643,13 @@
       "dev": true
     },
     "node_modules/@types/node": {
-      "version": "20.11.6",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-20.11.6.tgz",
-      "integrity": "sha512-+EOokTnksGVgip2PbYbr3xnR7kZigh4LbybAfBAw5BpnQ+FqBYUsvCEjYd70IXKlbohQ64mzEYmMtlWUY8q//Q==",
+      "version": "24.12.0",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-24.12.0.tgz",
+      "integrity": "sha512-GYDxsZi3ChgmckRT9HPU0WEhKLP08ev/Yfcq2AstjrDASOYCSXeyjDsHg4v5t4jOj7cyDX3vmprafKlWIG9MXQ==",
       "dev": true,
+      "license": "MIT",
       "dependencies": {
-        "undici-types": "~5.26.4"
+        "undici-types": "~7.16.0"
       }
     },
     "node_modules/@types/picomatch": {
@@ -1892,6 +1895,7 @@
       "resolved": "https://registry.npmjs.org/acorn/-/acorn-8.11.3.tgz",
       "integrity": "sha512-Y9rRfJG5jcKOE0CLisYbojUjIrIEE7AGMzA/Sm4BslANhbS+cDMpgBdcPT91oJ7OuJ9hYJBx59RjbhxVnrF8Xg==",
       "dev": true,
+      "peer": true,
       "bin": {
         "acorn": "bin/acorn"
       },
@@ -2332,6 +2336,7 @@
           "url": "https://github.com/sponsors/ai"
         }
       ],
+      "peer": true,
       "dependencies": {
         "caniuse-lite": "^1.0.30001565",
         "electron-to-chromium": "^1.4.601",
@@ -2878,6 +2883,7 @@
       "resolved": "https://registry.npmjs.org/eslint/-/eslint-8.56.0.tgz",
       "integrity": "sha512-Go19xM6T9puCOWntie1/P997aXxFsOi37JIHRWI514Hc6ZnaHGKY9xFhrU65RT6CcBEzZoGG1e6Nq+DT04ZtZQ==",
       "dev": true,
+      "peer": true,
       "dependencies": {
         "@eslint-community/eslint-utils": "^4.2.0",
         "@eslint-community/regexpp": "^4.6.1",
@@ -2933,6 +2939,7 @@
       "resolved": "https://registry.npmjs.org/eslint-config-prettier/-/eslint-config-prettier-9.1.0.tgz",
       "integrity": "sha512-NSWl5BFQWEPi1j4TjVNItzYV7dZXZ+wP6I6ZhrBGpChQhZRUaElihE9uRRkcbRnNb76UMKDF3r+WTmNcGPKsqw==",
       "dev": true,
+      "peer": true,
       "bin": {
         "eslint-config-prettier": "bin/cli.js"
       },
@@ -3107,6 +3114,7 @@
       "resolved": "https://registry.npmjs.org/prettier/-/prettier-3.2.4.tgz",
       "integrity": "sha512-FWu1oLHKCrtpO1ypU6J0SbK2d9Ckwysq6bHj/uaCP26DxrPpppCLQRGVuqAxSTvhF00AcvDRyYrLNW7ocBhFFQ==",
       "dev": true,
+      "peer": true,
       "bin": {
         "prettier": "bin/prettier.cjs"
       },
@@ -4614,6 +4622,7 @@
       "resolved": "https://registry.npmjs.org/jest/-/jest-29.7.0.tgz",
       "integrity": "sha512-NIy3oAFp9shda19hy4HK0HRTWKtPJmGdnvywu01nOqNC2vZg+Z+fvJDxpMQA88eb2I9EcafcdjYgsDthnYTvGw==",
       "dev": true,
+      "peer": true,
       "dependencies": {
         "@jest/core": "^29.7.0",
         "@jest/types": "^29.6.3",
@@ -6789,6 +6798,7 @@
       "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.3.3.tgz",
       "integrity": "sha512-pXWcraxM0uxAS+tN0AG/BF2TyqmHO014Z070UsJ+pFvYuRSq8KH8DmWpnbXe0pEPDHXZV3FcAbJkijJ5oNEnWw==",
       "dev": true,
+      "peer": true,
       "bin": {
         "tsc": "bin/tsc",
         "tsserver": "bin/tsserver"
@@ -6824,10 +6834,11 @@
       }
     },
     "node_modules/undici-types": {
-      "version": "5.26.5",
-      "resolved": "https://registry.npmjs.org/undici-types/-/undici-types-5.26.5.tgz",
-      "integrity": "sha512-JlCMO+ehdEIKqlFxk6IfVoAUVmgz7cU7zD/h9XZ0qzeosSHmUJVOzSQvvYSYWXkFXC+IfLKSIffhv0sVZup6pA==",
-      "dev": true
+      "version": "7.16.0",
+      "resolved": "https://registry.npmjs.org/undici-types/-/undici-types-7.16.0.tgz",
+      "integrity": "sha512-Zz+aZWSj8LE6zoxD+xrjh4VfkIG8Ya6LvYkZqtUQGJPZjYl53ypCaUwWqo7eI0x66KBGeRo+mlBEkMSeSZ38Nw==",
+      "dev": true,
+      "license": "MIT"
     },
     "node_modules/universal-user-agent": {
       "version": "6.0.1",

package.json

@@ -2,7 +2,7 @@
   "name": "paths-filter",
   "version": "1.0.0",
   "engines": {
-    "node": ">= 20"
+    "node": ">= 24"
   },
   "private": true,
   "description": "Execute your workflow steps only if relevant files are modified.",
@@ -37,7 +37,7 @@
     "@octokit/webhooks-types": "^7.3.1",
     "@types/jest": "^29.5.11",
     "@types/js-yaml": "^4.0.9",
-    "@types/node": "^20.11.6",
+    "@types/node": "^24.0.0",
     "@types/picomatch": "^2.3.3",
     "@typescript-eslint/eslint-plugin": "^6.19.1",
     "@typescript-eslint/parser": "^6.19.1",

src/git.ts

@@ -166,8 +166,8 @@ export async function listAllFilesAsAdded(): Promise<File[]> {
 export async function getCurrentRef(): Promise<string> {
   core.startGroup(`Get current git ref`)
   try {
-    const branch = (await getExecOutput('git', ['branch', '--show-current'])).stdout.trim()
-    if (branch) {
+    const branch = (await getExecOutput('git', ['rev-parse', '--abbrev-ref', 'HEAD'])).stdout.trim()
+    if (branch && branch !== 'HEAD') {
       return branch
     }
 

src/main.ts

@@ -2,7 +2,7 @@ import * as fs from 'fs'
 import * as core from '@actions/core'
 import * as github from '@actions/github'
 import {GetResponseDataTypeFromEndpointMethod} from '@octokit/types'
-import {PushEvent, PullRequestEvent} from '@octokit/webhooks-types'
+import {MergeGroupEvent, PullRequest, PushEvent} from '@octokit/webhooks-types'
 
 import {
   isPredicateQuantifier,
@@ -84,32 +84,50 @@ async function getChangedFiles(token: string, base: string, ref: string, initial
     return await git.getChangesOnHead()
   }
 
-  const prEvents = ['pull_request', 'pull_request_review', 'pull_request_review_comment', 'pull_request_target']
-  if (prEvents.includes(github.context.eventName)) {
-    if (ref) {
-      core.warning(`'ref' input parameter is ignored when 'base' is set to HEAD`)
+  switch (github.context.eventName) {
+    // To keep backward compatibility, commits in GitHub pull request event
+    // take precedence over manual inputs.
+    case 'pull_request':
+    case 'pull_request_review':
+    case 'pull_request_review_comment':
+    case 'pull_request_target': {
+      if (ref) {
+        core.warning(`'ref' input parameter is ignored when 'base' is set to HEAD`)
+      }
+      if (base) {
+        core.warning(`'base' input parameter is ignored when action is triggered by pull request event`)
+      }
+      const pr = github.context.payload.pull_request as PullRequest
+      if (token) {
+        return await getChangedFilesFromApi(token, pr)
+      }
+      if (github.context.eventName === 'pull_request_target') {
+        // pull_request_target is executed in context of base branch and GITHUB_SHA points to last commit in base branch
+        // Therefore it's not possible to look at changes in last commit
+        // At the same time we don't want to fetch any code from forked repository
+        throw new Error(`'token' input parameter is required if action is triggered by 'pull_request_target' event`)
+      }
+      core.info('Github token is not available - changes will be detected using git diff')
+      const baseSha = github.context.payload.pull_request?.base.sha
+      const defaultBranch = github.context.payload.repository?.default_branch
+      const currentRef = await git.getCurrentRef()
+      return await git.getChanges(base || baseSha || defaultBranch, currentRef)
     }
-    if (base) {
-      core.warning(`'base' input parameter is ignored when action is triggered by pull request event`)
+    // To keep backward compatibility, manual inputs take precedence over
+    // commits in GitHub merge queue event.
+    case 'merge_group': {
+      const mergeGroup = github.context.payload as MergeGroupEvent
+      if (!base) {
+        base = mergeGroup.merge_group.base_sha
+      }
+      if (!ref) {
+        ref = mergeGroup.merge_group.head_sha
+      }
+      break
     }
-    const pr = github.context.payload.pull_request as PullRequestEvent
-    if (token) {
-      return await getChangedFilesFromApi(token, pr)
-    }
-    if (github.context.eventName === 'pull_request_target') {
-      // pull_request_target is executed in context of base branch and GITHUB_SHA points to last commit in base branch
-      // Therefor it's not possible to look at changes in last commit
-      // At the same time we don't want to fetch any code from forked repository
-      throw new Error(`'token' input parameter is required if action is triggered by 'pull_request_target' event`)
-    }
-    core.info('Github token is not available - changes will be detected using git diff')
-    const baseSha = github.context.payload.pull_request?.base.sha
-    const defaultBranch = github.context.payload.repository?.default_branch
-    const currentRef = await git.getCurrentRef()
-    return await git.getChanges(base || baseSha || defaultBranch, currentRef)
-  } else {
-    return getChangedFilesFromGit(base, ref, initialFetchDepth)
   }
+
+  return getChangedFilesFromGit(base, ref, initialFetchDepth)
 }
 
 async function getChangedFilesFromGit(base: string, head: string, initialFetchDepth: number): Promise<File[]> {
@@ -175,7 +193,7 @@ async function getChangedFilesFromGit(base: string, head: string, initialFetchDe
 }
 
 // Uses github REST api to get list of files changed in PR
-async function getChangedFilesFromApi(token: string, pullRequest: PullRequestEvent): Promise<File[]> {
+async function getChangedFilesFromApi(token: string, pullRequest: PullRequest): Promise<File[]> {
   core.startGroup(`Fetching list of changed files for PR#${pullRequest.number} from Github API`)
   try {
     const client = github.getOctokit(token)