1 files changed, 61 insertions, 0 deletions
diff --git a/dom/media/webvtt/update-webvtt.js b/dom/media/webvtt/update-webvtt.js
new file mode 100644
index 0000000000..20a3e2669f
--- /dev/null
+++ b/dom/media/webvtt/update-webvtt.js
@@ -0,0 +1,61 @@
+#!/usr/bin/env node
+
+/* eslint-env node */
+
+var gift = require("gift"),
+  fs = require("fs"),
+  argv = require("optimist")
+    .usage(
+      "Update vtt.jsm with the latest from a vtt.js directory.\nUsage:" +
+        " $0 -d [dir]"
+    )
+    .demand("d")
+    .options("d", {
+      alias: "dir",
+      describe: "Path to WebVTT directory.",
+    })
+    .options("r", {
+      alias: "rev",
+      describe: "Revision to update to.",
+      default: "master",
+    })
+    .options("w", {
+      alias: "write",
+      describe: "Path to file to write to.",
+      default: "./vtt.jsm",
+    }).argv;
+
+var repo = gift(argv.d);
+repo.status(function (err, status) {
+  if (!status.clean) {
+    console.log("The repository's working directory is not clean. Aborting.");
+    process.exit(1);
+  }
+  repo.checkout(argv.r, function () {
+    repo.commits(argv.r, 1, function (err, commits) {
+      var vttjs = fs.readFileSync(argv.d + "/lib/vtt.js", "utf8");
+
+      // Remove settings for VIM and Emacs.
+      vttjs = vttjs.replace(/\/\* -\*-.*-\*- \*\/\n/, "");
+      vttjs = vttjs.replace(/\/\* vim:.* \*\/\n/, "");
+
+      // Concatenate header and vttjs code.
+      vttjs =
+        "/* This Source Code Form is subject to the terms of the Mozilla Public\n" +
+        " * License, v. 2.0. If a copy of the MPL was not distributed with this\n" +
+        " * file, You can obtain one at http://mozilla.org/MPL/2.0/. */\n\n" +
+        "export var WebVTT;" +
+        "/**\n" +
+        " * Code below is vtt.js the JS WebVTT implementation.\n" +
+        " * Current source code can be found at http://github.com/mozilla/vtt.js\n" +
+        " *\n" +
+        " * Code taken from commit " +
+        commits[0].id +
+        "\n" +
+        " */\n" +
+        vttjs;
+
+      fs.writeFileSync(argv.w, vttjs);
+    });
+  });
+});