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test-dump-untracked-cache: don't modify the untracked cache

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To correctly perform its testing function,
test-dump-untracked-cache should not change the state of the
untracked cache in the index.

As a previous patch makes read_index_from() change the state of
the untracked cache and as test-dump-untracked-cache indirectly
calls this function, we need a mechanism to prevent
read_index_from() from changing the untracked cache state when
it's called from test-dump-untracked-cache.

Signed-off-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Christian Couder
2016-01-27 07:58:06 +01:00
committed by Junio C Hamano
parent 435ec090ec
commit dae6c322fa
4 changed files with 22 additions and 0 deletions
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7
environment.c
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@ -87,6 +87,13 @@ int auto_comment_line_char;
/* Parallel index stat data preload? */
int core_preload_index = 1;
/*
* This is a hack for test programs like test-dump-untracked-cache to
* ensure that they do not modify the untracked cache when reading it.
* Do not use it otherwise!
*/
int ignore_untracked_cache_config;
/* This is set by setup_git_dir_gently() and/or git_default_config() */
char *git_work_tree_cfg;
static char *work_tree;