test-dump-untracked-cache: don't modify the untracked cache
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>
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Junio C Hamano

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@ -87,6 +87,13 @@ int auto_comment_line_char;
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/* Parallel index stat data preload? */
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int core_preload_index = 1;
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/*
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* This is a hack for test programs like test-dump-untracked-cache to
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* ensure that they do not modify the untracked cache when reading it.
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* Do not use it otherwise!
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*/
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int ignore_untracked_cache_config;
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/* This is set by setup_git_dir_gently() and/or git_default_config() */
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char *git_work_tree_cfg;
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static char *work_tree;
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