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2022-06-16pack-mtimes: avoid closing a bogus file descriptorJohannes Schindelin
In 94cd775a6c52 (pack-mtimes: support reading .mtimes files, 2022-05-20), code was added to close the file descriptor corresponding to the mtimes file. However, it is possible that opening that file failed, in which case we are closing a file descriptor with the value `-1`. Let's guard that `close()` call. Reported by Coverity. Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-05-26pack-mtimes: support reading .mtimes filesTaylor Blau
To store the individual mtimes of objects in a cruft pack, introduce a new `.mtimes` format that can optionally accompany a single pack in the repository. The format is defined in Documentation/technical/pack-format.txt, and stores a 4-byte network order timestamp for each object in name (index) order. This patch prepares for cruft packs by defining the `.mtimes` format, and introducing a basic API that callers can use to read out individual mtimes. Signed-off-by: Taylor Blau <me@ttaylorr.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>