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-rw-r--r--tree-diff.c27
1 files changed, 5 insertions, 22 deletions
diff --git a/tree-diff.c b/tree-diff.c
index 456660c7a..11c355017 100644
--- a/tree-diff.c
+++ b/tree-diff.c
@@ -294,14 +294,10 @@ int diff_tree_sha1(const unsigned char *old, const unsigned char *new, const cha
unsigned long size1, size2;
int retval;
- tree1 = read_object_with_reference(old, tree_type, &size1, NULL);
- if (!tree1)
- die("unable to read source tree (%s)", sha1_to_hex(old));
- tree2 = read_object_with_reference(new, tree_type, &size2, NULL);
- if (!tree2)
- die("unable to read destination tree (%s)", sha1_to_hex(new));
- init_tree_desc(&t1, tree1, size1);
- init_tree_desc(&t2, tree2, size2);
+ tree1 = fill_tree_descriptor(&t1, old);
+ tree2 = fill_tree_descriptor(&t2, new);
+ size1 = t1.size;
+ size2 = t2.size;
retval = diff_tree(&t1, &t2, base, opt);
if (!*base && DIFF_OPT_TST(opt, FOLLOW_RENAMES) && diff_might_be_rename()) {
init_tree_desc(&t1, tree1, size1);
@@ -315,18 +311,5 @@ int diff_tree_sha1(const unsigned char *old, const unsigned char *new, const cha
int diff_root_tree_sha1(const unsigned char *new, const char *base, struct diff_options *opt)
{
- int retval;
- void *tree;
- unsigned long size;
- struct tree_desc empty, real;
-
- tree = read_object_with_reference(new, tree_type, &size, NULL);
- if (!tree)
- die("unable to read root tree (%s)", sha1_to_hex(new));
- init_tree_desc(&real, tree, size);
-
- init_tree_desc(&empty, "", 0);
- retval = diff_tree(&empty, &real, base, opt);
- free(tree);
- return retval;
+ return diff_tree_sha1(NULL, new, base, opt);
}