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update-index: add --test-untracked-cache

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It is nice to just be able to test if untracked cache is
supported without enabling it.

Helped-by: David Turner <dturner@twopensource.com>
Signed-off-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Christian Couder 2016-01-24 16:28:16 +01:00 committed by Junio C Hamano
parent 113e641318
commit eaab83d0e5
2 changed files with 16 additions and 1 deletions
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12
Documentation/git-update-index.txt
View File

@ -18,7 +18,7 @@ SYNOPSIS
[--[no-]skip-worktree]
[--ignore-submodules]
[--[no-]split-index]
[--[no-|force-]untracked-cache]
[--[no-|test-|force-]untracked-cache]
[--really-refresh] [--unresolve] [--again | -g]
[--info-only] [--index-info]
[-z] [--stdin] [--index-version <n>]
@ -180,6 +180,16 @@ may not support it yet.
system must change `st_mtime` field of a directory if files
are added or deleted in that directory.
--test-untracked-cache::
Only perform tests on the working directory to make sure
untracked cache can be used. You have to manually enable
untracked cache using `--force-untracked-cache` (or
`--untracked-cache` but this will run the tests again)
afterwards if you really want to use it. If a test fails
the exit code is 1 and a message explains what is not
working as needed, otherwise the exit code is 0 and OK is
printed.
--force-untracked-cache::
For safety, `--untracked-cache` performs tests on the working
directory to make sure untracked cache can be used. These

5
builtin/update-index.c
View File

@ -40,6 +40,7 @@ enum uc_mode {
UC_UNSPECIFIED = -1,
UC_DISABLE = 0,
UC_ENABLE,
UC_TEST,
UC_FORCE
};
@ -1004,6 +1005,8 @@ int cmd_update_index(int argc, const char **argv, const char *prefix)
N_("enable or disable split index")),
OPT_BOOL(0, "untracked-cache", &untracked_cache,
N_("enable/disable untracked cache")),
OPT_SET_INT(0, "test-untracked-cache", &untracked_cache,
N_("test if the filesystem supports untracked cache"), UC_TEST),
OPT_SET_INT(0, "force-untracked-cache", &untracked_cache,
N_("enable untracked cache without testing the filesystem"), UC_FORCE),
OPT_END()
@ -1119,6 +1122,8 @@ int cmd_update_index(int argc, const char **argv, const char *prefix)
setup_work_tree();
if (!test_if_untracked_cache_is_supported())
return 1;
if (untracked_cache == UC_TEST)
return 0;
}
if (!the_index.untracked) {
uc = xcalloc(1, sizeof(*uc));