As discussed on irc, this drops the implicit remote HEAD fetch when -b is used. got.1 has been updated to make the new fetch behaviour clear. ok stsp@

future fields added to the got_object_id will be implicitly zeroed instead of gibberish. ok stsp@

Without setting err when the callback fails we continue the blame machinery.

ok jamsek

As identified and suggested by stsp, with the previous commit, 'strip_comments' is now always set thus no longer needed. ok stsp@

As suggested by naddy: consider commit log messages valid provided the temp file time stamp has changed and the file is not empty. This heuristic provides the desired behaviour (i.e., reusing cherrypicked/backed-out log messages) that's currently provided but is simpler to grok. Improved by and ok stsp@

ok stsp

The parent no longer sends this message. Perform related cleanup in the shutdown path instead. ok op@