Bug 1764659: Add wgpu bindings to Updatebot r=jimb

Differential Revision: https://phabricator.services.mozilla.com/D143766

gfx/wgpu_bindings/moz.yaml

@@ -0,0 +1,43 @@
+# Version of this schema
+schema: 1
+
+bugzilla:
+  # Bugzilla product and component for this directory and subdirectories
+  product: Core
+  component: "Graphics: WebGPU"
+
+# Document the source of externally hosted code
+origin:
+
+  # Short name of the package/library
+  name: wgpu
+
+  description: A cross-platform pure-Rust graphics API, modeled on the WebGPU standard
+
+  # Full URL for the package's homepage/etc
+  # Usually different from repository url
+  url: https://github.com/gfx-rs/wgpu
+
+  # Human-readable identifier for this version/release
+  # Generally "version NNN", "tag SSS", "bookmark SSS"
+  release: commit 0b61a191
+
+  # Revision to pull in
+  # Must be a long or short commit SHA (long preferred)
+  revision: 0b61a191
+
+  license: ['MIT', 'Apache-2.0']
+
+updatebot:
+    maintainer-phab: jimb
+    maintainer-bz: [email protected]
+    tasks:
+      - type: vendoring
+        enabled: true
+        frequency: 1 week
+
+vendoring:
+  url: https://github.com/gfx-rs/wgpu
+  source-hosting: github
+  vendor-directory: gfx/wgpu_bindings/
+  flavor: rust

python/mozbuild/mozbuild/vendor/moz_yaml.py

@@ -489,7 +489,8 @@ def _schema_1_additional(filename, manifest, require_license_file=True):
     if "vendoring" in manifest and "vendor-directory" in manifest["vendoring"]:
         vendor_directory = manifest["vendoring"]["vendor-directory"]
 
-    # LICENSE file must exist.
+    # LICENSE file must exist, except for Rust crates which are exempted
+    # because the license is required to be specified in the Cargo.toml file
     if require_license_file and "origin" in manifest:
         files = [f.lower() for f in os.listdir(vendor_directory)]
         if not (
@@ -501,6 +502,9 @@ def _schema_1_additional(filename, manifest, require_license_file=True):
             or "license.rst" in files
             or "license.html" in files
             or "license.md" in files
+        ) and not (
+            "vendoring" in manifest and
+            manifest["vendoring"].get("flavor", "regular") == "rust"
         ):
             license = manifest["origin"]["license"]
             if isinstance(license, list):