[PATCH v4 6/6] clone: better error when --reference is a linked checkout

[Nguyễn Thái Ngọc Duy]

Signed-off-by: Nguyễn Thái Ngọc Duy <pclo...@gmail.com>
---
 builtin/clone.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/builtin/clone.c b/builtin/clone.c
index 39d4adf..3e14491 100644
--- a/builtin/clone.c
+++ b/builtin/clone.c
@@ -294,9 +294,14 @@ static int add_one_reference(struct string_list_item 
*item, void *cb_data)
                char *ref_git_git = mkpathdup("%s/.git", ref_git);
                free(ref_git);
                ref_git = ref_git_git;
-       } else if (!is_directory(mkpath("%s/objects", ref_git)))
+       } else if (!is_directory(mkpath("%s/objects", ref_git))) {
+               struct strbuf sb = STRBUF_INIT;
+               if (get_common_dir(&sb, ref_git))
+                       die(_("reference repository '%s' as a linked checkout 
is not supported yet."),
+                           item->string);
                die(_("reference repository '%s' is not a local repository."),
                    item->string);
+       }
 
        if (!access(mkpath("%s/shallow", ref_git), F_OK))
                die(_("reference repository '%s' is shallow"), item->string);
-- 
2.3.0.rc1.137.g477eb31

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