jorisvandenbossche commented on a change in pull request #11978:
URL: https://github.com/apache/arrow/pull/11978#discussion_r781096878
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File path: dev/archery/archery/crossbow/core.py
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@@ -536,17 +536,34 @@ def _latest_prefix_id(self, prefix):
latest = -1
return latest
+ def _latest_prefix_date(self, prefix):
+ pattern = re.compile(r'[\w\/-]*{}-(\d+)-(\d+)-(\d+)'.format(prefix))
+ matches = list(filter(None, map(pattern.match, self.repo.branches)))
+ if matches:
+ latest = sorted([m.group(0) for m in matches])[-1][-10:]
Review comment:
Added a comment.
(I don't think a regex is needed, since the match itself is already done
with a regex, which should ensure that it ends with this date. Of course in
theory the date could change format, but if we use ISO date, it will always be
like this)
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