Add workflow for updating VS Code

For now it is manually triggered.

.github/workflows/update.yaml

@@ -0,0 +1,36 @@
+name: Update code-server
+
+on:
+  workflow_dispatch:
+    inputs:
+      version:
+        type: string
+        required: true
+
+jobs:
+  update:
+    runs-on: ubuntu-latest
+    env:
+      VERSION: ${{ inputs.version }}
+      GH_TOKEN: ${{ secrets.HOMEBREW_GITHUB_API_TOKEN }}
+
+    steps:
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
+      - uses: actions/setup-node@48b55a011bda9f5d6aeb4c2d9c7362e8dae4041e # v6
+        with:
+          node-version-file: .node-version
+
+      - run: ./ci/build/update-vscode.sh
+
+      - name: Open PR
+        run: |
+          git config --global user.name cdrci
+          git config --global user.email opensource@coder.com
+          git checkout -b update/${{ env.VERSION }}
+          git add .
+          git commit -m "Update VS Code to ${{ env.VERSION }}"
+          git push -u origin $(git branch --show)
+          gh pr create --repo coder/code-server-aur \
+            --title "Update VS Code to ${{ env.VERSION }}" \
+            --body-file .cache/checklist \
+            --draft

ci/build/update-vscode.sh

@@ -17,10 +17,10 @@ function remove_patches() {
 
 function update_vscode() {
   pushd lib/vscode
-  if ! git checkout "$VERSION" ; then
-    echo "$VERSION does not exist locally, fetching..."
+  if ! git checkout "$target_vscode_version" ; then
+    echo "$target_vscode_version does not exist locally, fetching..."
     git fetch --all --prune
-    git checkout "$VERSION"
+    git checkout "$target_vscode_version"
   fi
   popd
 }
@@ -110,12 +110,12 @@ function run() {
 
 function add_changelog() {
   local file=CHANGELOG.md
-  if grep "Code $VERSION" "$file" ; then
-    echo "Changelog for $VERSION already exists"
+  if grep "Code $target_vscode_version" "$file" ; then
+    echo "Changelog for $target_vscode_version already exists"
   else
     # TODO: This is not exactly robust.  In particular, it needs to handle if
     # there is already a "changed" section.
-    sed -i.bak "s/## Unreleased/## Unreleased\n\nCode v$VERSION\n\n### Changed\n\n- Update to Code $VERSION/" "$file"
+    sed -i.bak "s/## Unreleased/## Unreleased\n\nCode v$target_vscode_version\n\n### Changed\n\n- Update to Code $target_vscode_version/" "$file"
   fi
 }
 
@@ -127,6 +127,9 @@ function main() {
   local target_node_version
   target_node_version=$(grep target lib/vscode/remote/.npmrc | awk -F= '{print $2}' | tr -d '"')
 
+  local target_vscode_version
+  target_vscode_version="${VERSION#v}"
+
   declare -a steps
   # Removing patches only needs to be done locally; in CI we start from a fresh
   # clone each time.
@@ -135,7 +138,7 @@ function main() {
   fi
 
   steps+=(
-    "Update VS Code to $VERSION" "update_vscode"
+    "Update VS Code to $target_vscode_version" "update_vscode"
     "Refresh VS Code patches" "refresh_patches"
     "Set Node version to $target_node_version" "update_node"
     "Update CSP webview hash" "update_csp"