Introduce a GitHub Actions workflow for publishing the website

.github/workflows/publish_website.yml

@@ -0,0 +1,63 @@
+name: Publish website
+on: [push]
+permissions:
+  contents: read
+
+jobs:
+  build:
+    name: Build
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v3
+
+      - name: Use Node.js 18 LTS
+        uses: actions/setup-node@v3
+        with:
+          node-version: '18'
+
+      - name: Install Gulp
+        run: npm install -g gulp-cli
+
+      - name: Install other dependencies
+        run: npm install
+
+      - name: Build the website
+        run: gulp web
+
+      - name: Archive the website
+        shell: sh
+        run: |
+          chmod -c -R +rX "$INPUT_PATH" | while read line; do
+            echo "::warning title=Invalid file permissions automatically fixed::$line"
+          done
+          tar \
+            --dereference --hard-dereference \
+            --directory "$INPUT_PATH" \
+            -cvf "$RUNNER_TEMP/website.tar" \
+            --exclude=.git \
+            --exclude=.github \
+            .
+        env:
+          INPUT_PATH: build/gh-pages
+
+      - name: Upload the website
+        uses: actions/upload-artifact@v3
+        with:
+          name: github-pages
+          path: ${{ runner.temp }}/website.tar
+          retention-days: 1
+          if-no-files-found: error
+
+  deploy:
+    name: Deploy
+    runs-on: ubuntu-latest
+    needs: build
+    permissions:
+      pages: write  # Required to deploy to GitHub Pages.
+      id-token: write  # Required to verify that the deployment originates from this workflow.
+
+    steps:
+      - name: Deploy the website
+        uses: actions/deploy-pages@v2

gulpfile.js

@@ -68,7 +68,6 @@ const COMMON_WEB_FILES = [
 ];
 const MOZCENTRAL_DIFF_FILE = "mozcentral.diff";
 
-const REPO = "git@github.com:mozilla/pdf.js.git";
 const DIST_REPO_URL = "https://github.com/mozilla/pdfjs-dist";
 
 const builder = require("./external/builder/builder.js");
@@ -2133,42 +2132,14 @@ gulp.task("wintersmith", function (done) {
   });
 });
 
-function ghPagesGit(done) {
-  const VERSION = getVersionJSON().version;
-  const reason = process.env.PDFJS_UPDATE_REASON;
-
-  safeSpawnSync("git", ["init"], { cwd: GH_PAGES_DIR });
-  safeSpawnSync("git", ["remote", "add", "origin", REPO], {
-    cwd: GH_PAGES_DIR,
-  });
-  safeSpawnSync("git", ["add", "-A"], { cwd: GH_PAGES_DIR });
-  safeSpawnSync(
-    "git",
-    [
-      "commit",
-      "-am",
-      "gh-pages site created via gulpfile.js script",
-      "-m",
-      "PDF.js version " + VERSION + (reason ? " - " + reason : ""),
-    ],
-    { cwd: GH_PAGES_DIR }
-  );
-  safeSpawnSync("git", ["branch", "-m", "gh-pages"], { cwd: GH_PAGES_DIR });
-
-  console.log();
-  console.log("Website built in " + GH_PAGES_DIR);
-  done();
-}
-
 gulp.task(
   "web",
   gulp.series(
     "generic",
     "generic-legacy",
     "jsdoc",
     ghPagesPrepare,
-    "wintersmith",
-    ghPagesGit
+    "wintersmith"
   )
 );