Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@xxxxxxxxx>
---
unpack-trees.c | 7 ++++++-
1 files changed, 6 insertions(+), 1 deletions(-)
diff --git a/unpack-trees.c b/unpack-trees.c
index fcf40a0..bacb473 100644
--- a/unpack-trees.c
+++ b/unpack-trees.c
@@ -1119,8 +1119,13 @@ int unpack_trees(unsigned len, struct tree_desc *t, struct unpack_trees_options
}
if (ret < 0)
goto return_failed;
+ /*
+ * Sparse checkout is meant to narrow down checkout area
+ * but it does not make sense to narrow down to empty working
+ * tree. This is usually a mistake in sparse checkout rules.
+ * Do not allow users to do that.
+ */
if (o->result.cache_nr && empty_worktree) {
- /* dubious---why should this fail??? */
ret = unpack_failed(o, "Sparse checkout leaves no entry on working directory");
goto done;
}
--
1.7.3.1.256.g2539c.dirty
--
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