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-rw-r--r--diff-lib.c19
1 files changed, 19 insertions, 0 deletions
diff --git a/diff-lib.c b/diff-lib.c
index c2ac9250fe..f9eadc4fc1 100644
--- a/diff-lib.c
+++ b/diff-lib.c
@@ -325,6 +325,11 @@ static void show_new_file(struct rev_info *revs,
unsigned dirty_submodule = 0;
struct index_state *istate = revs->diffopt.repo->index;
+ if (new_file && S_ISSPARSEDIR(new_file->ce_mode)) {
+ diff_tree_oid(NULL, &new_file->oid, new_file->name, &revs->diffopt);
+ return;
+ }
+
/*
* New file in the index: it might actually be different in
* the working tree.
@@ -347,6 +352,20 @@ static int show_modified(struct rev_info *revs,
unsigned dirty_submodule = 0;
struct index_state *istate = revs->diffopt.repo->index;
+ assert(S_ISSPARSEDIR(old_entry->ce_mode) ==
+ S_ISSPARSEDIR(new_entry->ce_mode));
+
+ /*
+ * If both are sparse directory entries, then expand the
+ * modifications to the file level. If only one was a sparse
+ * directory, then they appear as an add and delete instead of
+ * a modification.
+ */
+ if (S_ISSPARSEDIR(new_entry->ce_mode)) {
+ diff_tree_oid(&old_entry->oid, &new_entry->oid, new_entry->name, &revs->diffopt);
+ return 0;
+ }
+
if (get_stat_data(istate, new_entry, &oid, &mode, cached, match_missing,
&dirty_submodule, &revs->diffopt) < 0) {
if (report_missing)