final update message in PR description

docs/DESCRIBE.md

@@ -28,6 +28,7 @@ Under the section 'pr_description', the [configuration file](./../pr_agent/setti
 - `extra_instructions`: Optional extra instructions to the tool. For example: "focus on the changes in the file X. Ignore change in ...".
 - To enable `custom labels`, apply the configuration changes described [here](./GENERATE_CUSTOM_LABELS.md#configuration-changes)
 - `enable_pr_type`: if set to false, it will not show the `PR type` as a text value in the description content. Default is true.
+- `final_update_message`: if set to true, it will add a comment message [`PR Description updated to latest commit...`](https://github.com/Codium-ai/pr-agent/pull/499#issuecomment-1837412176) after finishing calling `/describe`. Default is true.
 
 ### Markers template
 

pr_agent/git_providers/codecommit_provider.py

@@ -61,6 +61,7 @@ def __init__(self, pr_url: Optional[str] = None, incremental: Optional[bool] = F
         self.pr = None
         self.diff_files = None
         self.git_files = None
+        self.pr_url = pr_url
         if pr_url:
             self.set_pr(pr_url)
 

pr_agent/git_providers/gerrit_provider.py

@@ -192,7 +192,7 @@ def __init__(self, key: str, incremental=False):
         )
         self.repo = Repo(self.repo_path)
         assert self.repo
-
+        self.pr_url = base_url
         self.pr = PullRequestMimic(self.get_pr_title(), self.get_diff_files())
 
     def get_pr_title(self):

pr_agent/git_providers/github_provider.py

@@ -31,6 +31,7 @@ def __init__(self, pr_url: Optional[str] = None, incremental=IncrementalPR(False
         self.diff_files = None
         self.git_files = None
         self.incremental = incremental
+        self.pr_url = pr_url
         if pr_url and 'pull' in pr_url:
             self.set_pr(pr_url)
             self.last_commit_id = list(self.pr.get_commits())[-1]

pr_agent/git_providers/gitlab_provider.py

@@ -37,6 +37,7 @@ def __init__(self, merge_request_url: Optional[str] = None, incremental: Optiona
         self.diff_files = None
         self.git_files = None
         self.temp_comments = []
+        self.pr_url = merge_request_url
         self._set_merge_request(merge_request_url)
         self.RE_HUNK_HEADER = re.compile(
             r"^@@ -(\d+)(?:,(\d+))? \+(\d+)(?:,(\d+))? @@[ ]?(.*)")

pr_agent/settings/configuration.toml

@@ -46,6 +46,7 @@ keep_original_user_title=false
 use_bullet_points=true
 extra_instructions = ""
 enable_pr_type=true
+final_update_message = true
 
 # markers
 use_description_markers=false

pr_agent/tools/pr_description.py

@@ -98,8 +98,14 @@ async def run(self):
                     if get_settings().pr_description.publish_labels and self.git_provider.is_supported("get_labels"):
                         current_labels = self.git_provider.get_labels()
                         user_labels = get_user_labels(current_labels)
-
                         self.git_provider.publish_labels(pr_labels + user_labels)
+
+                    if (get_settings().pr_description.final_update_message and
+                            hasattr(self.git_provider, 'pr_url') and self.git_provider.pr_url):
+                        latest_commit_url = self.git_provider.get_latest_commit_url()
+                        if latest_commit_url:
+                            self.git_provider.publish_comment(
+                                f"**[PR Description]({self.git_provider.pr_url})** updated to latest commit ({latest_commit_url})")
                 self.git_provider.remove_initial_comment()
         except Exception as e:
             get_logger().error(f"Error generating PR description {self.pr_id}: {e}")