Add GitHub Discussion category forms schema and pre-commit hook

.pre-commit-hooks.yaml

@@ -165,6 +165,20 @@
     )$
   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`
+- id: check-github-discussion
+  name: Validate GitHub discussion
+  description: 'Validate GitHub discussion against the schema provided by SchemaStore'
+  entry: check-jsonschema --builtin-schema vendor.github-discussion
+  language: python
+  files: >
+    (?x)^(
+      ^\.github/DISCUSSION_TEMPLATE/.+\.ya?ml$
+    )$
+  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`

CHANGELOG.rst

@@ -12,6 +12,7 @@ Unreleased
 
 - Update vendored schemas: buildkite, gitlab-ci, mergify, renovate, snapcraft
   (2025-11-23)
+- Add GitHub Discussion category forms schema and pre-commit hook. Thanks :user:`edgarrmondragon`! (:pr:`626`)
 
 0.35.0
 ------

docs/precommit_usage.rst

@@ -211,6 +211,20 @@ Validate GitHub Actions against the schema provided by SchemaStore
         - id: check-github-actions
 
 
+``check-github-discussion``
+~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+Validate GitHub discussion against the schema provided by SchemaStore
+
+.. code-block:: yaml
+    :caption: example config
+
+    - repo: https://github.com/python-jsonschema/check-jsonschema
+      rev: 0.35.0
+      hooks:
+        - id: check-github-discussion
+
+
 ``check-github-issue-config``
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 

docs/usage.rst

@@ -98,6 +98,7 @@ SchemaStore and other sources:
 - ``vendor.dependabot``
 - ``vendor.drone-ci``
 - ``vendor.github-actions``
+- ``vendor.github-discussion``
 - ``vendor.github-issue-config``
 - ``vendor.github-issue-forms``
 - ``vendor.github-workflows``

src/check_jsonschema/builtin_schemas/vendor/github-discussion.json

@@ -0,0 +1,63 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "https://json.schemastore.org/github-discussion.json",
+  "$comment": "https://docs.github.com/en/discussions/managing-discussions-for-your-community/syntax-for-discussion-category-forms",
+  "additionalProperties": false,
+  "properties": {
+    "title": {
+      "description": "A default title that will be pre-populated in the discussion submission form.",
+      "type": "string"
+    },
+    "labels": {
+      "description": "Labels that will automatically be added to discussions created with this template.",
+      "oneOf": [
+        {
+          "type": "string"
+        },
+        {
+          "type": "array",
+          "items": {
+            "type": "string"
+          }
+        }
+      ]
+    },
+    "body": {
+      "description": "Definition of the input types in the discussion form",
+      "type": "array",
+      "items": {
+        "type": "object",
+        "properties": {
+          "type": {
+            "type": "string",
+            "enum": ["markdown", "textarea", "input", "dropdown", "checkboxes"]
+          },
+          "attributes": {
+            "type": "object",
+            "properties": {
+              "label": {
+                "type": "string"
+              },
+              "description": {
+                "type": "string"
+              },
+              "placeholder": {
+                "type": "string"
+              }
+            }
+          },
+          "validations": {
+            "type": "object",
+            "properties": {
+              "required": {
+                "type": "boolean"
+              }
+            }
+          }
+        }
+      }
+    }
+  },
+  "required": ["body"],
+  "type": "object"
+}

src/check_jsonschema/builtin_schemas/vendor/sha256/github-discussion.sha256

@@ -0,0 +1 @@
+14cf1562338184fa10109cfb4c7855e7070ea6339e5bc3bc83bdb6e1088aca4f

src/check_jsonschema/catalog.py

@@ -166,6 +166,16 @@ def _githubusercontent_url(owner: str, repo: str, ref: str, path: str) -> str:
             "types": "yaml",
         },
     },
+    "github-discussion": {
+        "url": "https://www.schemastore.org/github-discussion.json",
+        "hook_config": {
+            "name": "Validate GitHub discussion",
+            "files": [
+                r"^\.github/DISCUSSION_TEMPLATE/.+\.ya?ml$",
+            ],
+            "types": "yaml",
+        },
+    },
     "github-issue-config": {
         "url": "https://www.schemastore.org/github-issue-config.json",
         "hook_config": {

tests/acceptance/test_hook_file_matches.py

@@ -144,6 +144,16 @@ def get_hook_config(hookid):
         ),
         "bad": (".github/actions/foo/other.yaml",),
     },
+    "check-github-discussion": {
+        "good": (
+            ".github/DISCUSSION_TEMPLATE/announcements.yaml",
+            ".github/DISCUSSION_TEMPLATE/office-hours.yml",
+        ),
+        "bad": (
+            ".github/discussion.yml",
+            ".github/DISCUSSION_TEMPLATE/not-a-discussion.txt",
+        ),
+    },
     "check-github-issue-config": {
         "good": (".github/ISSUE_TEMPLATE/config.yml",),
         "bad": (

tests/example-files/hooks/negative/github-discussion/announcements.yml

@@ -0,0 +1,8 @@
+title: "Office Hours"
+not-a-valid-field: "This field is not allowed."
+labels:
+  - "office-hours"
+body:
+  - type: markdown
+    attributes:
+      value: "The agenda for this week's office hours is as follows: ..."

tests/example-files/hooks/positive/github-discussion/announcements.yml

@@ -0,0 +1,7 @@
+title: "Office Hours"
+labels:
+  - "office-hours"
+body:
+  - type: markdown
+    attributes:
+      value: "The agenda for this week's office hours is as follows: ..."