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Merge branch 'ds/push-sparse-tree-walk'

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"git pack-objects" learned another algorithm to compute the set of
objects to send, that trades the resulting packfile off to save
traversal cost to favor small pushes.

* ds/push-sparse-tree-walk:
  pack-objects: create GIT_TEST_PACK_SPARSE
  pack-objects: create pack.useSparse setting
  revision: implement sparse algorithm
  list-objects: consume sparse tree walk
  revision: add mark_tree_uninteresting_sparse
This commit is contained in:
Junio C Hamano
2019-02-06 22:05:24 -08:00
parent d8d62e6135 99dbbfa8dd
commit 5fda343321
12 changed files with 379 additions and 18 deletions
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9
Documentation/config/pack.txt
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@ -105,6 +105,15 @@ pack.useBitmaps::
true. You should not generally need to turn this off unless
you are debugging pack bitmaps.
pack.useSparse::
When true, git will default to using the '--sparse' option in
'git pack-objects' when the '--revs' option is present. This
algorithm only walks trees that appear in paths that introduce new
objects. This can have significant performance benefits when
computing a pack to send a small change. However, it is possible
that extra objects are added to the pack-file if the included
commits contain certain types of direct renames.
pack.writeBitmaps (deprecated)::
This is a deprecated synonym for `repack.writeBitmaps`.