X-Git-Url: https://git.verplant.org/?a=blobdiff_plain;f=diff-tree.c;h=233a25066818b49c94112f6f2680c6f6d7c881f8;hb=52e9578985fb636ec1d3f6cf794fdadd5ec896fc;hp=3bf8899873a3743eae9a541ec7829fdf20c22b19;hpb=e46091d5f3da713cd3c141ce0bfcd805c6d0ddf8;p=git.git

diff --git a/diff-tree.c b/diff-tree.c
index 3bf88998..233a2506 100644
--- a/diff-tree.c
+++ b/diff-tree.c
@@ -13,6 +13,7 @@ static int generate_patch = 0;
 static int detect_rename = 0;
 static int reverse_diff = 0;
 static int diff_score_opt = 0;
+static char *pickaxe = 0;
 static const char *header = NULL;
 static const char *header_prefix = "";
 
@@ -254,10 +255,10 @@ static int diff_tree_sha1(const unsigned char *old, const unsigned char *new, co
 	unsigned long size1, size2;
 	int retval;
 
-	tree1 = read_object_with_reference(old, "tree", &size1, 0);
+	tree1 = read_object_with_reference(old, "tree", &size1, NULL);
 	if (!tree1)
 		die("unable to read source tree (%s)", sha1_to_hex(old));
-	tree2 = read_object_with_reference(new, "tree", &size2, 0);
+	tree2 = read_object_with_reference(new, "tree", &size2, NULL);
 	if (!tree2)
 		die("unable to read destination tree (%s)", sha1_to_hex(new));
 	retval = diff_tree(tree1, size1, tree2, size2, base);
@@ -271,9 +272,9 @@ static int diff_tree_sha1_top(const unsigned char *old,
 {
 	int ret;
 
-	diff_setup(detect_rename, diff_score_opt, reverse_diff,
-		   (generate_patch ? -1 : line_termination),
-		   0, 0);
+	diff_setup(detect_rename, diff_score_opt, pickaxe,
+		   reverse_diff, (generate_patch ? -1 : line_termination),
+		   NULL, 0);
 	ret = diff_tree_sha1(old, new, base);
 	diff_flush();
 	return ret;
@@ -285,10 +286,10 @@ static int diff_root_tree(const unsigned char *new, const char *base)
 	void *tree;
 	unsigned long size;
 
-	diff_setup(detect_rename, diff_score_opt, reverse_diff,
-		   (generate_patch ? -1 : line_termination),
-		   0, 0);
-	tree = read_object_with_reference(new, "tree", &size, 0);
+	diff_setup(detect_rename, diff_score_opt, pickaxe,
+		   reverse_diff, (generate_patch ? -1 : line_termination),
+		   NULL, 0);
+	tree = read_object_with_reference(new, "tree", &size, NULL);
 	if (!tree)
 		die("unable to read root tree (%s)", sha1_to_hex(new));
 	retval = diff_tree("", 0, tree, size, base);
@@ -430,7 +431,7 @@ static int diff_tree_stdin(char *line)
 }
 
 static char *diff_tree_usage =
-"git-diff-tree [-p] [-r] [-z] [--stdin] [-M] [-R] [-m] [-s] [-v] <tree-ish> <tree-ish>";
+"git-diff-tree [-p] [-r] [-z] [--stdin] [-M] [-C] [-R] [-S<string>] [-m] [-s] [-v] <tree-ish> <tree-ish>";
 
 int main(int argc, char **argv)
 {
@@ -473,11 +474,21 @@ int main(int argc, char **argv)
 			recursive = generate_patch = 1;
 			continue;
 		}
+		if (!strncmp(arg, "-S", 2)) {
+			pickaxe = arg + 2;
+			continue;
+		}
 		if (!strncmp(arg, "-M", 2)) {
 			detect_rename = recursive = generate_patch = 1;
 			diff_score_opt = diff_scoreopt_parse(arg);
 			continue;
 		}
+		if (!strncmp(arg, "-C", 2)) {
+			detect_rename = 2;
+			recursive = generate_patch = 1;
+			diff_score_opt = diff_scoreopt_parse(arg);
+			continue;
+		}
 		if (!strcmp(arg, "-z")) {
 			line_termination = '\0';
 			continue;