Because if there is, such two tree entries would never be compared as
equal - the code in base_name_compare() explicitly compares modes, if
there is a change for dir bit, even for equal paths, entries would
compare as different.
The code I'm removing here is from 2005 April 262e82b4 (Fix diff-tree
recursion), which pre-dates base_name_compare() introduction in 958ba6c9
(Introduce "base_name_compare()" helper function) by a month.
Signed-off-by: Kirill Smelkov <k...@mns.spb.ru>
Signed-off-by: Junio C Hamano <gits...@pobox.com>
---
( re-posting without change )
tree-diff.c | 15 +++++----------
1 file changed, 5 insertions(+), 10 deletions(-)
diff --git a/tree-diff.c b/tree-diff.c
index 11c3550..5810b00 100644
--- a/tree-diff.c
+++ b/tree-diff.c
@@ -23,6 +23,11 @@ static int compare_tree_entry(struct tree_desc *t1, struct
tree_desc *t2,
pathlen1 = tree_entry_len(&t1->entry);
pathlen2 = tree_entry_len(&t2->entry);
+
+ /*
+ * NOTE files and directories *always* compare differently,
+ * even when having the same name.
+ */
cmp = base_name_compare(path1, pathlen1, mode1, path2, pathlen2, mode2);
if (cmp < 0) {
show_entry(opt, "-", t1, base);
@@ -35,16 +40,6 @@ static int compare_tree_entry(struct tree_desc *t1, struct
tree_desc *t2,
if (!DIFF_OPT_TST(opt, FIND_COPIES_HARDER) && !hashcmp(sha1, sha2) &&
mode1 == mode2)
return 0;
- /*
- * If the filemode has changed to/from a directory from/to a regular
- * file, we need to consider it a remove and an add.
- */
- if (S_ISDIR(mode1) != S_ISDIR(mode2)) {
- show_entry(opt, "-", t1, base);
- show_entry(opt, "+", t2, base);
- return 0;
- }
-
strbuf_add(base, path1, pathlen1);
if (DIFF_OPT_TST(opt, RECURSIVE) && S_ISDIR(mode1)) {
if (DIFF_OPT_TST(opt, TREE_IN_RECURSIVE)) {
--
1.9.rc1.181.g641f458
--
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