Christian Couder <christian.couder@xxxxxxxxx> writes:
> It is nice to just be able to test if untracked cache is
> supported without enabling it.
>
> Signed-off-by: Christian Couder <chriscool@xxxxxxxxxxxxx>
> ---
> Documentation/git-update-index.txt | 12 +++++++++++-
> builtin/update-index.c | 5 +++++
> 2 files changed, 16 insertions(+), 1 deletion(-)
>
> diff --git a/Documentation/git-update-index.txt b/Documentation/git-update-index.txt
> index f4e5a85..a0afe17 100644
> --- a/Documentation/git-update-index.txt
> +++ b/Documentation/git-update-index.txt
> @@ -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.
> +
Looks good.
> --force-untracked-cache::
> For safety, `--untracked-cache` performs tests on the working
> directory to make sure untracked cache can be used. These
> diff --git a/builtin/update-index.c b/builtin/update-index.c
> index 1e546a3..62222dd 100644
> --- a/builtin/update-index.c
> +++ b/builtin/update-index.c
> @@ -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));
--
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