add snapcraft vendor schema and pre-commit hook

.pre-commit-hooks.yaml

@@ -206,6 +206,17 @@
       \.renovaterc\.(json|json5)
     )$
 
+# this hook is autogenerated from a script
+# to modify this hook, update `src/check_jsonschema/catalog.py`
+# and run `make generate-hooks` or `tox run -e generate-hooks-config`
+- id: check-snapcraft
+  name: Validate snapcraft files
+  description: 'Validate snapcraft files against the schema provided by Canonical'
+  entry: check-jsonschema --builtin-schema vendor.snapcraft
+  language: python
+  files: ^(.+/)?snapcraft\.yaml$
+  types: [yaml]
+
 # this hook is autogenerated from a script
 # to modify this hook, update `src/check_jsonschema/catalog.py`
 # and run `make generate-hooks` or `tox run -e generate-hooks-config`

docs/precommit_usage.rst

@@ -253,6 +253,20 @@ Validate Renovate config against the schema provided by Renovate (does not suppo
         - id: check-renovate
 
 
+``check-snapcraft``
+~~~~~~~~~~~~~~~~~~~
+
+Validate snapcraft files against the schema provided by Canonical
+
+.. code-block:: yaml
+    :caption: example config
+
+    - repo: https://github.com/python-jsonschema/check-jsonschema
+      rev: 0.31.3
+      hooks:
+        - id: check-snapcraft
+
+
 ``check-taskfile``
 ~~~~~~~~~~~~~~~~~~
 

docs/usage.rst

@@ -101,6 +101,7 @@ SchemaStore and other sources:
 - ``vendor.mergify``
 - ``vendor.readthedocs``
 - ``vendor.renovate``
+- ``vendor.snapcraft``
 - ``vendor.taskfile``
 - ``vendor.travis``
 - ``vendor.woodpecker-ci``

src/check_jsonschema/builtin_schemas/vendor/sha256/snapcraft.sha256

@@ -0,0 +1 @@
+5284c12e66fcc7fdd171fc211d7d7fb47166e114d5ed69993685e288b0078525