Fix 'git-obs pr dump' to skip the dump if the target has the same updated_at timestamp as the pull request in Gitea

osc/commands_git/pr_dump.py

@@ -127,6 +127,17 @@ class PullRequestDumpCommand(osc.commandline_git.GitObsCommand):
             # sanitize path for os.path.join()
             path = path.strip("/")
 
+            metadata_dir = os.path.join(path, "metadata")
+            try:
+                with open(os.path.join(metadata_dir, "pr.json")) as f:
+                    pr_data = json.load(f)
+                    if pr_data["updated_at"] == pr_obj.updated_at:
+                        # no update, skip the dump
+                        continue
+            except FileNotFoundError:
+                # no local metadata cached, we can't skip the dump
+                pass
+
             review_obj_list = pr_obj.get_reviews(self.gitea_conn)
 
             # see https://github.com/go-gitea/gitea/blob/main/modules/structs/pull_review.go - look for "type ReviewStateType string"
@@ -238,7 +249,6 @@ class PullRequestDumpCommand(osc.commandline_git.GitObsCommand):
                         ET.Comment("The state='comment' attribute value is a custom extension to the OBS XML schema."),
                     )
 
-            metadata_dir = os.path.join(path, "metadata")
             try:
                 # remove old metadata first to ensure that we never keep any of the old files on an update
                 shutil.rmtree(metadata_dir)

osc/gitea_api/pr.py

@@ -154,6 +154,10 @@ class PullRequest(GiteaModel):
     def state(self) -> str:
         return self._data["state"]
 
+    @property
+    def updated_at(self) -> str:
+        return self._data["updated_at"]
+
     @property
     def user(self) -> str:
         return self._data["user"]["login"]