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last-modified: support sparse checkouts

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In a sparse checkout, a user might want to run `last-modified` on a
directory outside the worktree.

And even in non-sparse checkouts, a user might need to run that command
on a directory that does not exist in the worktree.

These use cases should be supported via the `--` separator between
revision and file arguments, which is even advertised in the
documentation. This patch fixes a tiny bug that prevents that from
working.

This fixes https://github.com/git-for-windows/git/issues/5978

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Acked-by: Derrick Stolee <stolee@gmail.com>
Acked-by: Toon Claes <toon@iotcl.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Johannes Schindelin 2025-11-29 13:43:46 +00:00 committed by Junio C Hamano
parent 9a2fb147f2
commit 05491b90ce
2 changed files with 10 additions and 1 deletions
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3
builtin/last-modified.c
View File

@ -525,7 +525,8 @@ int cmd_last_modified(int argc, const char **argv, const char *prefix,
argc = parse_options(argc, argv, prefix, last_modified_options,
last_modified_usage,
PARSE_OPT_KEEP_ARGV0 | PARSE_OPT_KEEP_UNKNOWN_OPT);
PARSE_OPT_KEEP_ARGV0 | PARSE_OPT_KEEP_UNKNOWN_OPT |
PARSE_OPT_KEEP_DASHDASH);
repo_config(repo, git_default_config, NULL);

8
t/t8020-last-modified.sh
View File

@ -78,6 +78,14 @@ test_expect_success 'last-modified subdir' '
EOF
'
test_expect_success 'last-modified in sparse checkout' '
test_when_finished "git sparse-checkout disable" &&
git sparse-checkout set b &&
check_last_modified -- a <<-\EOF
3 a
EOF
'
test_expect_success 'last-modified subdir recursive' '
check_last_modified -r a <<-\EOF
3 a/b/file