Add mach bootstrap-gstreamer

README.md

@@ -91,6 +91,7 @@ sudo apt install git curl autoconf libx11-dev \
 ```
 
 If you using a version prior to **Ubuntu 17.04** or **Debian Sid**, replace `libssl1.0-dev` with `libssl-dev`.
+Additionally, you'll need a local copy of GStreamer with a version later than 12.0. You can place it in `support/linux/gstreamer/gstreamer`, or run `./mach bootstrap-gstreamer` to set it up.
 
 If you are using **Ubuntu 16.04** run `export HARFBUZZ_SYS_NO_PKG_CONFIG=1` before building to avoid an error with harfbuzz.
 

python/servo/bootstrap.py

@@ -18,7 +18,7 @@ from servo.util import extract, download_file, host_triple
 
 
 def check_gstreamer_lib():
-    subprocess.call(["pkg-config", "gstreamer-1.0 >= 1.12"],
+    return subprocess.call(["pkg-config", "gstreamer-1.0 >= 1.12"],
                            stdout=PIPE, stderr=PIPE) == 0
 
 def run_as_root(command):
@@ -56,7 +56,12 @@ def install_salt_dependencies(context, force):
     install_linux_deps(context, pkgs_apt, pkgs_dnf, force)
 
 def gstreamer(context, force=False):
-    pass
+    cur = os.curdir
+    gstdir = os.path.join(cur, "support", "linux", "gstreamer")
+    if not os.path.isdir(os.path.join(gstdir, "gstreamer", "lib")):
+        os.chdir(gstdir)
+        subprocess.call(["bash", "gstreamer.sh"])
+        os.chdir(cur)
 
 def linux(context, force=False):
     # Please keep these in sync with the packages in README.md

python/servo/bootstrap_commands.py

@@ -64,6 +64,15 @@ class MachCommands(CommandBase):
     def bootstrap_salt(self, force=False):
         return bootstrap.bootstrap(self.context, force=force, specific="salt")
 
+    @Command('bootstrap-gstreamer',
+             description='Set up a local copy of the gstreamer libraries (linux only).',
+             category='bootstrap')
+    @CommandArgument('--force', '-f',
+                     action='store_true',
+                     help='Boostrap without confirmation')
+    def bootstrap_gstreamer(self, force=False):
+        return bootstrap.bootstrap(self.context, force=force, specific="gstreamer")
+
     @Command('bootstrap-android',
              description='Install the Android SDK and NDK.',
              category='bootstrap')

servo-tidy.toml

@@ -65,6 +65,7 @@ files = [
   "./resources/hsts_preload.json",
   "./tests/wpt/metadata/MANIFEST.json",
   "./support/android/openssl.sh",
+  "./support/linux/gstreamer/gstreamer.sh",
   # Upstream code from Khronos/WebGL uses tabs for indentation
   "./tests/wpt/webgl/tests",
   # Our import script is not currently respecting the lint.

support/linux/gstreamer/gstreamer.sh

@@ -1,4 +1,12 @@
-wget https://github.com/ferjm/gstreamer-1.14.1-ubuntu-trusty/raw/master/gstreamer.tar.gz
-tar -zxvf gstreamer.tar.gz
+#!/usr/bin/env bash
+
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+set -o errexit
+
+wget https://github.com/ferjm/gstreamer-1.14.1-ubuntu-trusty/raw/master/gstreamer.tar.gz -O gstreamer.tar.gz
+tar -zxf gstreamer.tar.gz
 rm gstreamer.tar.gz
-sed -i "s;prefix=/root/gstreamer;prefix=$PWD/gstreamer;g" $PWD/gstreamer/lib/x86_64-linux-gnu/pkgconfig/*.pc
+sed -i "s;prefix=/root/gstreamer;prefix=${PWD}/gstreamer;g" ${PWD}/gstreamer/lib/x86_64-linux-gnu/pkgconfig/*.pc