[WIP RFC PATCH 6/7] clone: stop ignoring dotdirs in --local etc. clone

[Ævar Arnfjörð Bjarmason <avarab@xxxxxxxxx>]

This seems to never have been intentional, just a side-effect of how
the existing code was written.

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@xxxxxxxxx>
---
 builtin/clone.c            | 8 +++-----
 t/t5604-clone-reference.sh | 9 +++++++++
 2 files changed, 12 insertions(+), 5 deletions(-)

diff --git a/builtin/clone.c b/builtin/clone.c
index c32e9022b3..515dc91d63 100644
--- a/builtin/clone.c
+++ b/builtin/clone.c
@@ -446,8 +446,6 @@ static void copy_or_link_directory(struct strbuf *src, struct strbuf *dest,
 		}
 
 		if (S_ISDIR(iter->st.st_mode)) {
-			if (iter->relative_path[0] == '.')
-				continue;
 			mkdir_if_missing(dest->buf, 0777);
 			continue;
 		}
@@ -463,11 +461,11 @@ static void copy_or_link_directory(struct strbuf *src, struct strbuf *dest,
 		if (!option_no_hardlinks) {
 			if (!link(src->buf, dest->buf))
 				continue;
-			if (option_local > 0 && errno != ENOENT)
-				warning_errno(_("failed to create link '%s'"), dest->buf);
+			if (option_local > 0)
+				die_errno(_("failed to create link '%s'"), dest->buf);
 			option_no_hardlinks = 1;
 		}
-		if (copy_file_with_time(dest->buf, src->buf, 0666) && errno != ENOENT)
+		if (copy_file_with_time(dest->buf, src->buf, 0666))
 			die_errno(_("failed to copy file to '%s'"), dest->buf);
 	}
 
diff --git a/t/t5604-clone-reference.sh b/t/t5604-clone-reference.sh
index 6f9c77049e..f1a8e74c44 100755
--- a/t/t5604-clone-reference.sh
+++ b/t/t5604-clone-reference.sh
@@ -262,16 +262,25 @@ test_expect_success SHA1,SYMLINKS 'clone repo with manually symlinked objects/*'
 	test_cmp expected actual &&
 	find S-* -name "*some*" | sort >actual &&
 	cat >expected <<-EOF &&
+	S--dissociate/.git/objects/.some-hidden-dir
+	S--dissociate/.git/objects/.some-hidden-dir/.some-dot-file
+	S--dissociate/.git/objects/.some-hidden-dir/some-file
 	S--dissociate/.git/objects/.some-hidden-file
 	S--dissociate/.git/objects/some-dir
 	S--dissociate/.git/objects/some-dir/.some-dot-file
 	S--dissociate/.git/objects/some-dir/some-file
 	S--dissociate/.git/objects/some-file
+	S--local/.git/objects/.some-hidden-dir
+	S--local/.git/objects/.some-hidden-dir/.some-dot-file
+	S--local/.git/objects/.some-hidden-dir/some-file
 	S--local/.git/objects/.some-hidden-file
 	S--local/.git/objects/some-dir
 	S--local/.git/objects/some-dir/.some-dot-file
 	S--local/.git/objects/some-dir/some-file
 	S--local/.git/objects/some-file
+	S--no-hardlinks/.git/objects/.some-hidden-dir
+	S--no-hardlinks/.git/objects/.some-hidden-dir/.some-dot-file
+	S--no-hardlinks/.git/objects/.some-hidden-dir/some-file
 	S--no-hardlinks/.git/objects/.some-hidden-file
 	S--no-hardlinks/.git/objects/some-dir
 	S--no-hardlinks/.git/objects/some-dir/.some-dot-file
-- 
2.21.0.rc2.1.g2d5e20a900.dirty