Bug 1790496 - P0 - Add libdrm to update bot;r=mjf

Differential Revision: https://phabricator.services.mozilla.com/D163975

third_party/drm/README.md

@@ -0,0 +1,5 @@
+Libdrm is a drm library wrapper needed to build and run Firefox with
+Pipewire support on Linux (https://gitlab.freedesktop.org/mesa/drm).
+
+libdrm directory stores headers of libdrm needed for build only.
+

third_party/drm/drm/LICENSE

@@ -0,0 +1,20 @@
+Copyright (C) 1999-2007  Brian Paul   All Rights Reserved.
+
+Permission is hereby granted, free of charge, to any person obtaining a
+copy of this software and associated documentation files (the "Software"),
+to deal in the Software without restriction, including without limitation
+the rights to use, copy, modify, merge, publish, distribute, sublicense,
+and/or sell copies of the Software, and to permit persons to whom the
+Software is furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included
+in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTBILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
+

third_party/drm/moz.build

@@ -0,0 +1,6 @@
+if CONFIG['MOZ_WEBRTC']:
+    EXPORTS.drm = [
+        'drm/include/libdrm/drm.h',
+        'drm/xf86drm.h',
+    ]
+

third_party/drm/moz.yaml

@@ -0,0 +1,56 @@
+# Version of this schema
+schema: 1
+
+bugzilla:
+  # Bugzilla product and component for this directory and subdirectories
+  product: "Core"
+  component: "WebRTC"
+
+# The source in this directory was copied from upstream by running the
+# update.py script from third_party/libdrm. Any changes made relative to
+# upstream should be reflected in that script, e.g. by applying patch files
+# after the copy step.
+
+origin:
+  name: "libdrm"
+  description: "Userspace interface to controlling GPUs on linux"
+
+  url: "https://cgit.freedesktop.org/drm/libdrm/"
+  license: MIT
+
+  release: 0e2c7d05712d65903a9b77fb9f960ddff43bac64
+
+  revision: b9ca37b3134861048986b75896c0915cbf2e97f9
+  # The codebase does not provide a LICENSE file!
+  # https://docs.mesa3d.org/license.html#license-copyright-information
+  # license-file: LICENSE
+
+updatebot:
+  maintainer-phab: chew
+  maintainer-bz: ngrunbaum@mozilla.com
+  tasks:
+    - type: vendoring
+      enabled: true
+      frequency: release
+
+vendoring:
+  url: https://gitlab.freedesktop.org/mesa/drm
+  source-hosting: gitlab
+  vendor-directory: third_party/drm/drm
+  skip-vendoring-steps: ['update-moz-build'] 
+  exclude:
+    - '**'
+    - '**/.*'
+
+  include:
+    - include/drm/drm.h
+    - include/drm/drm_fourcc.h
+    - include/drm/drm_mode.h
+    - xf86drm.h
+  keep:
+    - LICENSE
+  update-actions:
+    - action: move-dir
+      from: '{vendor_dir}/include/drm'
+      to: '{vendor_dir}/include/libdrm'
+