tags: support reading tags cache without populating An upcoming patch will teach the bundle2 protocol to transfer .hgtags fnodes to the client. We don't want this to incur any extra work at serve time. Create an optional cache query mode that doesn't populate the cache as a side-effect.

check-commit: make foo_bar naming regexp less greedy \s is equivalent to the character class [ \t\n\r\f\v]. Using \s+ in a regular expression against input with multiple lines may match across multiple lines. For the regexp in question, "\+\s+" would match "+\n " and similar sequences, leading to false positives for functions that were included in diff context, after a modified hunk.

test: use bundle2 in test-http Now that we have a bundle1 version of this test, we can move the original to bundle2. This lets us handle the ouput change from using the bundle2 protocol earlier.