Subject: Re: [PATCH] ls-files: support --recurse-submodules --stage

From: Junio C Hamano <[email-masked]>
Date: Fri, 18 Feb 2022 16:33:01 -0800

Jonathan Tan <[email-masked]> writes:

> diff --git a/builtin/ls-files.c b/builtin/ls-files.c
> index f7ea56cc63..e791b65e7e 100644
> --- a/builtin/ls-files.c
> +++ b/builtin/ls-files.c
> @@ -244,7 +244,7 @@ static void show_ce(struct repository *repo, struct dir_struct *dir,
>  			printf("%s%06o %s %d\t",
>  			       tag,
>  			       ce->ce_mode,
> -			       find_unique_abbrev(&ce->oid, abbrev),
> +			       repo_find_unique_abbrev(repo, &ce->oid, abbrev),
>  			       ce_stage(ce));
>  		}

Quite straight-forward.  At this point, repo is the repository we
are currently working in (which will be updated to the submodule
repository by show_submodule() and passed down to show_files()), so
the only thing we need to do is to make sure we use that repo
consistently.  Makes sense.

>  		write_eolinfo(repo->index, ce, fullname);
> @@ -726,7 +726,7 @@ int cmd_ls_files(int argc, const char **argv, const char *cmd_prefix)
>  		setup_work_tree();
>  
>  	if (recurse_submodules &&
> -	    (show_stage || show_deleted || show_others || show_unmerged ||
> +	    (show_deleted || show_others || show_unmerged ||
>  	     show_killed || show_modified || show_resolve_undo || with_tree))
>  		die("ls-files --recurse-submodules unsupported mode");
>  
> diff --git a/t/t3007-ls-files-recurse-submodules.sh b/t/t3007-ls-files-recurse-submodules.sh
> index 4a08000713..3d2da360d1 100755
> --- a/t/t3007-ls-files-recurse-submodules.sh
> +++ b/t/t3007-ls-files-recurse-submodules.sh
> @@ -34,6 +34,25 @@ test_expect_success 'ls-files correctly outputs files in submodule' '
>  	test_cmp expect actual
>  '
>  
> +test_expect_success '--stage' '
> +	# In order to test hash abbreviation, write two objects that have the
> +	# same first 4 hexadecimal characters in their (SHA-1) hashes.
> +	echo brocdnra >submodule/c &&
> +	git -C submodule commit -am "update c" &&
> +	echo brigddsv >submodule/c &&
> +	git -C submodule commit -am "update c again" &&
> +
> +	cat >expect <<-\EOF &&
> +	100644 6da7 0	.gitmodules
> +	100644 7898 0	a
> +	100644 6178 0	b/b
> +	100644 dead9 0	submodule/c
> +	EOF
> +
> +	git ls-files --stage --recurse-submodules --abbrev=4 >actual &&
> +	test_cmp expect actual
> +'
> +
>  test_expect_success 'ls-files correctly outputs files in submodule with -z' '
>  	lf_to_nul >expect <<-\EOF &&
>  	.gitmodules
> @@ -292,7 +311,6 @@ test_incompatible_with_recurse_submodules () {
>  test_incompatible_with_recurse_submodules --deleted
>  test_incompatible_with_recurse_submodules --modified
>  test_incompatible_with_recurse_submodules --others
> -test_incompatible_with_recurse_submodules --stage
>  test_incompatible_with_recurse_submodules --killed
>  test_incompatible_with_recurse_submodules --unmerged