From 2d52aca9eb58a2003d9b4252c8e4700a2d81584e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Joakim=20S=C3=B8rensen?= <ludeeus@ludeeus.dev>
Date: Sun, 20 Feb 2022 13:00:01 +0100
Subject: [PATCH] Add Latest Tag sensor to GitHub integration (#66932)

---
 homeassistant/components/github/coordinator.py | 12 ++++++++++++
 homeassistant/components/github/sensor.py      |  9 +++++++++
 tests/components/github/fixtures/graphql.json  | 10 ++++++++++
 3 files changed, 31 insertions(+)

diff --git a/homeassistant/components/github/coordinator.py b/homeassistant/components/github/coordinator.py
index 9769c944f16..ae3c9b5dc87 100644
--- a/homeassistant/components/github/coordinator.py
+++ b/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
+        }
+      }
+    }
   }
 }
 """
diff --git a/homeassistant/components/github/sensor.py b/homeassistant/components/github/sensor.py
index 08e8a49af1f..75284b2ccd3 100644
--- a/homeassistant/components/github/sensor.py
+++ b/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"],
+        },
+    ),
 )
 
 
diff --git a/tests/components/github/fixtures/graphql.json b/tests/components/github/fixtures/graphql.json
index d8fe86f6c95..8fe1b17022a 100644
--- a/tests/components/github/fixtures/graphql.json
+++ b/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"
+                        }
+                    }
+                ]
             }
         }
     }