According to : Lines ending with a space and the keyword (glob) are matched with a glob-like syntax. The only special characters supported are "*" and "?". Both characters can be escaped using "\", and the backslash can be escaped itself. In our tests it looks similar to: hg push pushing to ssh://$DOCKER_HOSTNAME:$HGPORT6/test-repo (adding commit id to 1 changesets) saved backup bundle to $TESTTMP/client/.hg/strip-backup/8d901902ff4b-c4c7c89c-addcommitid.hg (glob) A lot of tests are affected.  https://www.mercurial-scm.org/wiki/WritingTests#Format_summary
A Mercurial release several months ago (over a year I think) changed the backup bundle filename. So for a time we needed to glob over the hash part in the message so the tests would pass on old and new Mercurial versions. At this point, I'm pretty sure we can drop the (glob) from these messages as all the Mercurial versions we support use the new filename / message.
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