If PR author is the same as the committer, only mention them once.

Closes python#18
Mariatta · Sep 9, 2017 · 37c4d47 · 37c4d47
1 parent d96e3c1
commit 37c4d47
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Showing 3 changed files with 21 additions and 6 deletions.
diff --git a/backport/backport_pr.py b/backport/backport_pr.py
@@ -27,9 +27,15 @@ async def backport_pr(event, gh, *args, **kwargs):
                         if label['name'].startswith("needs backport to")]
 
         if branches:
-            message = "🐍🍒⛏🤖 " \
-                      f"Thanks @{created_by} for the PR, and @{merged_by} for merging it 🌮🎉." \
-                      f"I'm working now to backport this PR to: {', '.join(branches)}."
+            thanks_to = ""
+            if created_by == merged_by:
+                thanks_to = f"Thanks @{created_by} for the PR 🌮🎉."
+            else:
+                thanks_to = f"Thanks @{created_by} for the PR, and @{merged_by} for merging it 🌮🎉."
+            message = f"""\
+            {thanks_to}. I'm working now to backport this PR to: {', '.join(branches)}.
+            🐍🍒⛏🤖 
+            """
             util.comment_on_pr(issue_number, message)
 
             for branch in branches:

diff --git a/backport/tasks.py b/backport/tasks.py
@@ -37,11 +37,11 @@ def backport_task(commit_hash, branch, *, issue_number, created_by, merged_by):
         cp.backport()
     except cherry_picker.BranchCheckoutException:
         util.comment_on_pr(issue_number,
-                            f"""Sorry @{created_by} and @{merged_by}, I had trouble checking out the `{branch}` backport branch.
+                            f"""Sorry {util.get_participants(created_by, merged_by)}, I had trouble checking out the `{branch}` backport branch.
                             Please backport using [cherry_picker](https://pypi.org/project/cherry-picker/) on command line.""")
         cp.abort_cherry_pick()
     except cherry_picker.CherryPickException:
         util.comment_on_pr(issue_number,
-                            f"""Sorry, @{created_by} and @{merged_by}, I could not cleanly backport this to `{branch}` due to a conflict. 
+                            f"""Sorry, {util.get_participants(created_by, merged_by)}, I could not cleanly backport this to `{branch}` due to a conflict. 
                             Please backport using [cherry_picker](https://pypi.org/project/cherry-picker/) on command line.""")
         cp.abort_cherry_pick()
diff --git a/backport/util.py b/backport/util.py
@@ -36,4 +36,13 @@ def is_cpython_repo():
         subprocess.check_output(cmd.split(), stderr=subprocess.STDOUT)
     except subprocess.SubprocessError:
         return False
-    return True
+    return True
+
+
+def get_participants(created_by, merged_by):
+    participants = ""
+    if created_by == merged_by:
+        participants = f"@{created_by}"
+    else:
+        participants = f"@{created_by} and @{merged_by}"
+    return participants