diff mbox series

[PATCH/RFC,v1,1/1] git mv foo FOO ; git mv foo bar gave an assert

Message ID 20210106105302.16878-1-tboegi@web.de (mailing list archive)
State New, archived
Headers show
Series [PATCH/RFC,v1,1/1] git mv foo FOO ; git mv foo bar gave an assert | expand

Commit Message

Torsten Bögershausen Jan. 6, 2021, 10:53 a.m. UTC
From: Torsten Bögershausen <tboegi@web.de>

The following sequence, on a case-insensitive file system,
(strictly speeking with core.ignorecase=true)
leads to an assertion, and leaves .git/index.lock behind.

git init
echo foo >foo
git add foo
git mv foo FOO
git mv foo bar

This regression was introduced in Commit 9b906af657,
"git-mv: improve error message for conflicted file"

Don't check if the case-insensitive version is in the index.
In the sense of 9b906af657 supply the user with a more helpful message.

This fixes
https://github.com/git-for-windows/git/issues/2920

Reported-By: Dan Moseley <Dan.Moseley@microsoft.com>
Signed-off-by: Torsten Bögershausen <tboegi@web.de>
---

Note:
There is an ongoing effort to replace cache_file_exists() with
index_file_exists().
So this patch may need to be re-done.

Note2: @Dan Moseley: Do you want to continue with this work ?

builtin/mv.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

--
2.28.0.97.gdc04167d37

Comments

Junio C Hamano Jan. 6, 2021, 11:51 p.m. UTC | #1
tboegi@web.de writes:

> From: Torsten Bögershausen <tboegi@web.de>
>
> The following sequence, on a case-insensitive file system,
> (strictly speeking with core.ignorecase=true)
> leads to an assertion, and leaves .git/index.lock behind.

"an assertion failure" you mean.

>
> git init
> echo foo >foo
> git add foo
> git mv foo FOO
> git mv foo bar
>
> This regression was introduced in Commit 9b906af657,
> "git-mv: improve error message for conflicted file"
>
> Don't check if the case-insensitive version is in the index.
> In the sense of 9b906af657 supply the user with a more helpful message.
>
> This fixes
> https://github.com/git-for-windows/git/issues/2920
>
> Reported-By: Dan Moseley <Dan.Moseley@microsoft.com>
> Signed-off-by: Torsten Bögershausen <tboegi@web.de>
> ---
>
> Note:
> There is an ongoing effort to replace cache_file_exists() with
> index_file_exists().  So this patch may need to be re-done.

Thanks for a heads-up.

>
> Note2: @Dan Moseley: Do you want to continue with this work ?
>
> builtin/mv.c | 7 +++++--
>  1 file changed, 5 insertions(+), 2 deletions(-)
>
> diff --git a/builtin/mv.c b/builtin/mv.c
> index 7dac714af9..8572a5dae0 100644
> --- a/builtin/mv.c
> +++ b/builtin/mv.c
> @@ -221,8 +221,11 @@ int cmd_mv(int argc, const char **argv, const char *prefix)
>  				}
>  				argc += last - first;
>  			}
> -		} else if (!(ce = cache_file_exists(src, length, ignore_case))) {
> -			bad = _("not under version control");
> +		} else if (!(ce = cache_file_exists(src, length, 0))) {
> +			if (cache_file_exists(src, length, ignore_case))
> +				bad = _("not under version control (upper/lower mixup)");
> +			else
> +				bad = _("not under version control");
>  		} else if (ce_stage(ce)) {
>  			bad = _("conflicted");
>  		} else if (lstat(dst, &st) == 0 &&
> --
> 2.28.0.97.gdc04167d37
diff mbox series

Patch

diff --git a/builtin/mv.c b/builtin/mv.c
index 7dac714af9..8572a5dae0 100644
--- a/builtin/mv.c
+++ b/builtin/mv.c
@@ -221,8 +221,11 @@  int cmd_mv(int argc, const char **argv, const char *prefix)
 				}
 				argc += last - first;
 			}
-		} else if (!(ce = cache_file_exists(src, length, ignore_case))) {
-			bad = _("not under version control");
+		} else if (!(ce = cache_file_exists(src, length, 0))) {
+			if (cache_file_exists(src, length, ignore_case))
+				bad = _("not under version control (upper/lower mixup)");
+			else
+				bad = _("not under version control");
 		} else if (ce_stage(ce)) {
 			bad = _("conflicted");
 		} else if (lstat(dst, &st) == 0 &&