Nguyễn Thái Ngọc Duy <pclouds@xxxxxxxxx> writes:
> The two functions in parse_branchname_arg(), verify_non_filename and
> check_filename, need correct prefix in order to reconstruct the paths
> and check for their existence. With NULL prefix, they just check paths
> at top dir instead.
Good eyes. Will queue.
>
> Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@xxxxxxxxx>
> ---
> builtin/checkout.c | 4 ++--
> t/t2010-checkout-ambiguous.sh | 9 +++++++++
> t/t2024-checkout-dwim.sh | 12 ++++++++++++
> 3 files changed, 23 insertions(+), 2 deletions(-)
>
> diff --git a/builtin/checkout.c b/builtin/checkout.c
> index 1f71d06..53c7284 100644
> --- a/builtin/checkout.c
> +++ b/builtin/checkout.c
> @@ -985,7 +985,7 @@ static int parse_branchname_arg(int argc, const char **argv,
> int recover_with_dwim = dwim_new_local_branch_ok;
>
> if (!has_dash_dash &&
> - (check_filename(NULL, arg) || !no_wildcard(arg)))
> + (check_filename(opts->prefix, arg) || !no_wildcard(arg)))
> recover_with_dwim = 0;
> /*
> * Accept "git checkout foo" and "git checkout foo --"
> @@ -1046,7 +1046,7 @@ static int parse_branchname_arg(int argc, const char **argv,
> * it would be extremely annoying.
> */
> if (argc)
> - verify_non_filename(NULL, arg);
> + verify_non_filename(opts->prefix, arg);
> } else {
> argcount++;
> argv++;
> diff --git a/t/t2010-checkout-ambiguous.sh b/t/t2010-checkout-ambiguous.sh
> index e76e84a..2e47fe0 100755
> --- a/t/t2010-checkout-ambiguous.sh
> +++ b/t/t2010-checkout-ambiguous.sh
> @@ -41,6 +41,15 @@ test_expect_success 'check ambiguity' '
> test_must_fail git checkout world all
> '
>
> +test_expect_success 'check ambiguity in subdir' '
> + mkdir sub &&
> + # not ambiguous because sub/world does not exist
> + git -C sub checkout world ../all &&
> + echo hello >sub/world &&
> + # ambiguous because sub/world does exist
> + test_must_fail git -C sub checkout world ../all
> +'
> +
> test_expect_success 'disambiguate checking out from a tree-ish' '
> echo bye > world &&
> git checkout world -- world &&
> diff --git a/t/t2024-checkout-dwim.sh b/t/t2024-checkout-dwim.sh
> index 468a000..3e5ac81 100755
> --- a/t/t2024-checkout-dwim.sh
> +++ b/t/t2024-checkout-dwim.sh
> @@ -174,6 +174,18 @@ test_expect_success 'checkout of branch with a file having the same name fails'
> test_branch master
> '
>
> +test_expect_success 'checkout of branch with a file in subdir having the same name fails' '
> + git checkout -B master &&
> + test_might_fail git branch -D spam &&
> +
> + >spam &&
> + mkdir sub &&
> + mv spam sub/spam &&
> + test_must_fail git -C sub checkout spam &&
> + test_must_fail git rev-parse --verify refs/heads/spam &&
> + test_branch master
> +'
> +
> test_expect_success 'checkout <branch> -- succeeds, even if a file with the same name exists' '
> git checkout -B master &&
> test_might_fail git branch -D spam &&