builtin/repack.c: remove ref snapshotting from builtin When writing a MIDX, 'git repack' takes a snapshot of the repository's references and writes the result out to a file, which it then passes to 'git multi-pack-index write' via the '--refs-snapshot'. This is done in order to make bitmap selections with respect to what we are packing, thus avoiding a race where an incoming reference update causes us to try and write a bitmap for a commit not present in the MIDX. Extract this functionality out into a new repack-midx.c compilation unit, and expose the necessary functions via the repack.h API. Signed-off-by: Taylor Blau <me@ttaylorr.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
Git is a fast, scalable, distributed revision control system with an unusually rich command set that provides both high-level operations and full access to internals.
Git is an Open Source project covered by the GNU General Public License version 2 (some parts of it are under different licenses, compatible with the GPLv2). It was originally written by Linus Torvalds with help of a group of hackers around the net.
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The name “git” was given by Linus Torvalds when he wrote the very first version. He described the tool as “the stupid content tracker” and the name as (depending on your mood):