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Recent "git push" keeps transferred objects packed much more aggressively
than before. Monitoring output from git-count-objects -v for number of
loose objects is not enough to decide when to repack -- having too many
small packs is also a good cue for repacking.
Signed-off-by: Junio C Hamano <junkio@cox.net>
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Incremental repack without -a essentially boils down to:
rev-list --objects --unpacked --all |
pack-objects $new_pack
which picks up all loose objects that are still live and creates
a new pack.
This implements --unpacked=<existing pack> option to tell the
revision walking machinery to pretend as if objects in such a
pack are unpacked for the purpose of object listing. With this,
we could say:
rev-list --objects --unpacked=$active_pack --all |
pack-objects $new_pack
instead, to mean "all live loose objects but pretend as if
objects that are in this pack are also unpacked". The newly
created pack would be perfect for updating $active_pack by
replacing it.
Since pack-objects now knows how to do the rev-list's work
itself internally, you can also write the above example by:
pack-objects --unpacked=$active_pack --all $new_pack </dev/null
Signed-off-by: Junio C Hamano <junkio@cox.net>
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This cleans up the build procedure for built-in commands by:
- generating mostly redundant definition of BUILT_INS from
BUILTIN_OBJS in the Makefile,
- renaming a few files to make the above possible, and
- sorting the built-in command table in git.c.
It might be a good idea to binary search (or perfect hash) the built-in
command table, but that can be done later when somebody feels like.
Signed-off-by: Junio C Hamano <junkio@cox.net>
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