Add Latest Tag sensor to GitHub integration (#66932)

homeassistant/components/github/coordinator.py

@@ -68,6 +68,18 @@ query ($owner: String!, $repository: String!) {
       url
       tag: tagName
     }
+    refs(
+      first: 1
+      refPrefix: "refs/tags/"
+      orderBy: {field: TAG_COMMIT_DATE, direction: DESC}
+    ) {
+      tags: nodes {
+        name
+        target {
+          url: commitUrl
+        }
+      }
+    }
   }
 }
 """

homeassistant/components/github/sensor.py

@@ -126,6 +126,15 @@ SENSOR_DESCRIPTIONS: tuple[GitHubSensorEntityDescription, ...] = (
             "number": data["pull_request"]["pull_requests"][0]["number"],
         },
     ),
+    GitHubSensorEntityDescription(
+        key="latest_tag",
+        name="Latest Tag",
+        avabl_fn=lambda data: data["refs"]["tags"],
+        value_fn=lambda data: data["refs"]["tags"][0]["name"][:255],
+        attr_fn=lambda data: {
+            "url": data["refs"]["tags"][0]["target"]["url"],
+        },
+    ),
 )
 
 

tests/components/github/fixtures/graphql.json

@@ -43,6 +43,16 @@
                 "name": "v1.0.0",
                 "url": "https://github.com/octocat/Hello-World/releases/v1.0.0",
                 "tag": "v1.0.0"
+            },
+            "refs": {
+                "tags": [
+                    {
+                        "name": "v1.0.0",
+                        "target": {
+                            "url": "https://github.com/octocat/Hello-World/commit/6dcb09b5b57875f334f61aebed695e2e4193db5e"
+                        }
+                    }
+                ]
             }
         }
     }