ci: Add CI to automatically update the bundle version

.github/workflows/get_version.yml

@@ -0,0 +1,41 @@
+name: Get Version
+
+on:
+  workflow_call:
+    outputs:
+      version:
+        description: The latest `tree-sitter-langs` Version
+        value: ${{ jobs.get-version.outputs.VERSION }}
+    inputs:
+      workflow_ref:
+        description: 'Must be the same as "uses: ...@THIS"'
+        default: master
+        required: false
+        type: string
+
+env:
+  EMACS_VER: 30.2
+
+jobs:
+  get-version:
+    runs-on: ubuntu-latest
+    outputs:
+      version: ${{ steps.expose-ver.outputs.VERSION }}
+    steps:
+    - uses: jcs090218/setup-emacs@master
+      with:
+        version: ${{ env.EMACS_VER }}
+
+    - uses: emacs-eask/setup-eask@master
+      with:
+        version: 'snapshot'
+
+    - uses: actions/checkout@v5
+
+    - name: Expose Version
+      id: expose-ver
+      run: |
+        eask install-deps --dev
+        VERSION=$(eask load scripts/latest-tag.el)
+        echo "VERSION=$VERSION" >> $GITHUB_OUTPUT
+        echo "$VERSION"

.github/workflows/update_bundle_version.yml

@@ -0,0 +1,42 @@
+name: Update Bundle Version
+
+on:
+  schedule:
+    - cron:  '0 * * * *'
+  workflow_dispatch:
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  get-version:
+      uses: emacs-tree-sitter/treesit-langs/.github/workflows/get_version.yml@master
+
+  main:
+    needs: [get-version]
+    runs-on: ubuntu-latest
+    env:
+      VERSION: ${{ needs.get-version.outputs.version }}
+    steps:
+    - uses: actions/checkout@v5
+      with:
+        persist-credentials: false
+        fetch-depth: 0
+
+    - name: Expose bundle version
+      run: |
+        echo "BUNDLE_VER=${{ env.VERSION }}" >> $GITHUB_ENV
+
+    - name: Update Bundle Version
+      run: |
+        eask run script update-bundle-version
+
+    - name: Create Pull Request
+      uses: peter-evans/create-pull-request@v6
+      with:
+        title: 'Update Bundle Version to ${{ env.VERSION }}'
+        body: ''
+        commit-message: 'Update Bundle Version to ${{ env.VERSION }}'
+        branch: submodules-update
+        delete-branch: true

Eask

@@ -10,8 +10,14 @@
 (package-file "treesit-langs.el")
 
 (script "test" "echo \"Error: no test specified\" && exit 1")
+(script "update-bundle-version" "eask load scripts/update-bundle-version.el")
 
 (source 'gnu)
 (source 'melpa)
+(source 'jcs-elpa)
 
 (depends-on "emacs" "29.1")
+
+(development
+ (depends-on "elenv")
+ (depends-on "github-tags"))

scripts/_prepare.el

@@ -0,0 +1,24 @@
+;;; _prepare.el --- Prepration  -*- lexical-binding: t -*-
+;;; Commentary:
+;;; Code:
+
+(require 'cl-lib)
+(require 'subr-x)
+
+(require 'elenv)
+
+(defun get-latest-tag ()
+  "Return the latest tag (not including pre-release)."
+  (require 'github-tags)
+  (if-let* ((repo "emacs-tree-sitter/tree-sitter-langs")
+            (response (cdr (github-tags repo)))
+            (tags (plist-get response :names))
+            (latest (nth 1 tags)))  ; Skip the first one since it's the pre-release!
+      latest
+    (user-error "[ERROR] Latest tag not found in repository: %s" repo)))
+
+;; Local Variables:
+;; coding: utf-8
+;; no-byte-compile: t
+;; End:
+;;; _prepare.el ends here

scripts/latest-tag.el

@@ -0,0 +1,13 @@
+;;; latest-tag.el --- Print latest tag  -*- lexical-binding: t -*-
+;;; Commentary:
+;;; Code:
+
+(load-file "./scripts/_prepare.el")
+
+(princ (get-latest-tag))
+
+;; Local Variables:
+;; coding: utf-8
+;; no-byte-compile: t
+;; End:
+;;; latest-tag.el ends here

scripts/update-bundle-version.el

@@ -0,0 +1,23 @@
+;;; update-bundle-version.el --- Update the bundle version  -*- lexical-binding: t -*-
+;;; Commentary:
+;;; Code:
+
+(load-file "./scripts/_prepare.el")
+
+(let ((ver (or (getenv "BUNDLE_VER")
+               "0.1.0")))
+  (with-current-buffer (find-file "treesit-langs.el")
+    (goto-char (point-min))
+    (when (search-forward "(defcustom treesit-langs-bundle-version \"" nil t)
+      (let ((start (point))
+            (end   (save-excursion (forward-sexp) (point))))
+        (delete-region start end)
+        (insert ver)
+        (save-buffer))
+      (message "[INFO] Updated the bundle version to `%s`" ver))))
+
+;; Local Variables:
+;; coding: utf-8
+;; no-byte-compile: t
+;; End:
+;;; update-bundle-version.el ends here