sarutak commented on code in PR #60031:
URL: https://github.com/apache/spark/pull/60031#discussion_r4480579175
##########
dev/merge_spark_pr.py:
##########
@@ -2658,61 +2876,7 @@ def main():
if pr.get("draft", False) or "[WIP]" in title or "[DO-NOT-MERGE]" in title:
fail("Cannot merge a draft PR #%s: %s" % (pr_num, title))
- # e.g. 'Revert "[SPARK-56357][BUILD] Upgrade sbt to 1.12.8"'
- is_revert_pr = title.startswith('Revert "') and title.endswith('"')
- # e.g. 'Reapply "[SPARK-56357][BUILD] Upgrade sbt to 1.12.8"'
- is_reapply_pr = title.startswith('Reapply "') and title.endswith('"')
-
- # Normalized PR-title component tags, used later to reconcile JIRA
components. Empty for
- # Revert/Reapply PRs, whose titles are kept verbatim and not parsed for
components.
- title_components: List[str] = []
-
- # Revert and Reapply PRs keep their title verbatim.
- if not (is_revert_pr or is_reapply_pr):
- # Parse; fail on a malformed title.
- try:
- parsed = Title.parse(title)
- except ValueError as e:
- fail("Malformed PR title: %s" % e)
-
- # Normalize component tags via the registry and track primary.
- components = []
- has_primary = False
- for tag in parsed.components:
- c = Component.find(tag)
- if c is not None and c.primary:
- has_primary = True
- components.append(Component.normalize(tag))
- if not has_primary:
- new_tags = prompt_for_components()
- components = new_tags + components
-
- # Deduplicate tags in insertion order.
- components = list(dict.fromkeys(components))
-
- # Move version tags (e.g. [4.X], [4.2]) to the head of components.
- versions = [t for t in components if _VERSION_TAG_RE.match(t)]
- if versions:
- others = [t for t in components if not _VERSION_TAG_RE.match(t)]
- components = versions + others
-
- # Move FOLLOWUP to the last tag.
- non_followup = [t for t in components if t != "FOLLOWUP"]
- if len(non_followup) < len(components):
- components = non_followup + ["FOLLOWUP"]
-
- # Warn about tags that are neither known components nor version tags.
- unknown = [
- t for t in components if Component.find(t) is None and not
_VERSION_TAG_RE.match(t)
- ]
- if unknown:
- print_error("Title has unknown tag(s): %s" % ", ".join("[%s]" % t
for t in unknown))
-
- parsed.components = components
- title_components = list(parsed.components)
- title = str(parsed)
- if title != pr["title"]:
- print("Normalized title: %s" % title)
+ title = prepare_merge_title(title)
Review Comment:
Update: the no-footer fallback mentioned above is not a squash-button
commit, which `find_merge_commit()` never returns, but another PR's merge
commit linked to the PR's `closed` event; see my reply to the spark-test
review. The fallback still prepares the PR title, as described.
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