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pack.indexversion config option now defaults to 2

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As announced for 1.6.0.

Git older than version 1.5.2 (or any other git version with this option
set to 1) may revert to version 1 of the pack index by manually deleting
all .idx files and recreating them using 'git index-pack'.  Communication
over the git native protocol is unaffected since the pack index is never
transferred.

Signed-off-by: Nicolas Pitre <nico@cam.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Nicolas Pitre 2008-06-25 00:25:53 -04:00 committed by Junio C Hamano
parent 22c79eab29
commit c0a5e2d477
3 changed files with 13 additions and 4 deletions
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1
Documentation/asciidoc.conf
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@ -8,6 +8,7 @@
# the command.
[attributes]
asterisk=&#42;
plus=&#43;
caret=&#94;
startsb=&#91;

14
Documentation/config.txt
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@ -937,9 +937,17 @@ pack.indexVersion::
legacy pack index used by Git versions prior to 1.5.2, and 2 for
the new pack index with capabilities for packs larger than 4 GB
as well as proper protection against the repacking of corrupted
packs. Version 2 is selected and this config option ignored
whenever the corresponding pack is larger than 2 GB. Otherwise
the default is 1.
packs. Version 2 is the default. Note that version 2 is enforced
and this config option ignored whenever the corresponding pack is
larger than 2 GB.
+
If you have an old git that does not understand the version 2 `{asterisk}.idx` file,
cloning or fetching over a non native protocol (e.g. "http" and "rsync")
that will copy both `{asterisk}.pack` file and corresponding `{asterisk}.idx` file from the
other side may give you a repository that cannot be accessed with your
older version of git. If the `{asterisk}.pack` file is smaller than 2 GB, however,
you can use linkgit:git-index-pack[1] on the *.pack file to regenerate
the `{asterisk}.idx` file.
pack.packSizeLimit::
The default maximum size of a pack. This setting only affects

2
pack-write.c
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@ -2,7 +2,7 @@
#include "pack.h"
#include "csum-file.h"
uint32_t pack_idx_default_version = 1;
uint32_t pack_idx_default_version = 2;
uint32_t pack_idx_off32_limit = 0x7fffffff;
static int sha1_compare(const void *_a, const void *_b)