Re: 'seen' branch fails to build

Ramsay Jones [off-list ref] writes:

See commit 456a265746 ("diff: --no-index should ignore the worktree",
2025-08-07) in the 'jc/diff-no-index-in-subdir' branch.

In order to get it to build, I just did:
...

Thanks for noticing and reporting.  I'd save the translators by
reusing the message used already elsewhere.


 builtin/diff.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git c/builtin/diff.c w/builtin/diff.c
index 3eb4cbb057..0b23c41456 100644
--- c/builtin/diff.c
+++ w/builtin/diff.c

@@ -497,7 +497,8 @@ int cmd_diff(int argc,
 	 * prefix.
 	 */
 	if (no_index && prefix) {
-		chdir(prefix);
+		if (chdir(prefix))
+			die(_("cannot come back to cwd"));
 		prefix = NULL;
 	}