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rm: do not complain about d/f conflicts during deletion

If we used to have an index entry "d/f", but "d" has been
replaced by a non-directory entry, the user may still want
to run "git rm" to delete the stale index entry. They could
use "git rm --cached" to just touch the index, but "git rm"
should also work: we explicitly try to handle the case that
the file has already been removed from the working tree.

However, because unlinking "d/f" in this case will not yield
ENOENT, but rather ENOTDIR, we do not notice that the file
is already gone. Instead, we report it as an error.

The simple solution is to treat ENOTDIR in this case exactly
like ENOENT; all we want to know is whether the file is
already gone, and if a leading path is no longer a
directory, then by definition the sub-path is gone.

Reported-by: jpinheiro <7jpinheiro@gmail.com>
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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1 parent 9b924ee commit 9a6728d4d14a08791861a63b7567ee0b50e59f70 @peff peff committed with gitster Apr 4, 2013
Showing with 27 additions and 2 deletions.
  1. +1 −1 builtin/rm.c
  2. +1 −1 dir.c
  3. +25 −0 t/t3600-rm.sh
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@@ -110,7 +110,7 @@ static int check_local_mod(unsigned char *head, int index_only)
ce = active_cache[pos];
if (lstat(ce->name, &st) < 0) {
- if (errno != ENOENT)
+ if (errno != ENOENT && errno != ENOTDIR)
warning("'%s': %s", ce->name, strerror(errno));
/* It already vanished from the working tree */
continue;
View
2 dir.c
@@ -1603,7 +1603,7 @@ int remove_path(const char *name)
{
char *slash;
- if (unlink(name) && errno != ENOENT)
+ if (unlink(name) && errno != ENOENT && errno != ENOTDIR)
return -1;
slash = strrchr(name, '/');
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@@ -622,4 +622,29 @@ test_expect_success 'rm of a populated nested submodule with a nested .git direc
rm -rf submod
'
+test_expect_success 'rm of d/f when d has become a non-directory' '
+ rm -rf d &&
+ mkdir d &&
+ >d/f &&
+ git add d &&
+ rm -rf d &&
+ >d &&
+ git rm d/f &&
+ test_must_fail git rev-parse --verify :d/f &&
+ test_path_is_file d
+'
+
+test_expect_success SYMLINKS 'rm of d/f when d has become a dangling symlink' '
+ rm -rf d &&
+ mkdir d &&
+ >d/f &&
+ git add d &&
+ rm -rf d &&
+ ln -s nonexistent d &&
+ git rm d/f &&
+ test_must_fail git rev-parse --verify :d/f &&
+ test -h d &&
+ test_path_is_missing d
+'
+
test_done

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