X-Git-Url: https://gitweb.ps.run/ps-cgit/blobdiff_plain/9003cc172a4cbc6678f3d8003ae1ad3a55f62fed..da218fcd9eb554a8405ca72e84bcc0feb371194f:/ui-diff.c

diff --git a/ui-diff.c b/ui-diff.c
index 838db8c..5ccd03e 100644
--- a/ui-diff.c
+++ b/ui-diff.c
@@ -1,6 +1,6 @@
 /* ui-diff.c: show diff between two blobs
  *
- * Copyright (C) 2006 Lars Hjemli
+ * Copyright (C) 2006-2014 cgit Development Team <cgit@lists.zx2c4.com>
  *
  * Licensed under GNU General Public License v2
  *   (see COPYING for full license text)
@@ -360,15 +360,12 @@ void cgit_print_diff_ctrls()
 void cgit_print_diff(const char *new_rev, const char *old_rev,
 		     const char *prefix, int show_ctrls, int raw)
 {
-	enum object_type type;
-	unsigned long size;
 	struct commit *commit, *commit2;
+	const unsigned char *old_tree_sha1, *new_tree_sha1;
 
 	if (!new_rev)
 		new_rev = ctx.qry.head;
-	get_sha1(new_rev, new_rev_sha1);
-	type = sha1_object_info(new_rev_sha1, &size);
-	if (type == OBJ_BAD) {
+	if (get_sha1(new_rev, new_rev_sha1)) {
 		cgit_print_error("Bad object name: %s", new_rev);
 		return;
 	}
@@ -377,32 +374,49 @@ void cgit_print_diff(const char *new_rev, const char *old_rev,
 		cgit_print_error("Bad commit: %s", sha1_to_hex(new_rev_sha1));
 		return;
 	}
+	new_tree_sha1 = commit->tree->object.sha1;
 
-	if (old_rev)
-		get_sha1(old_rev, old_rev_sha1);
-	else if (commit->parents && commit->parents->item)
+	if (old_rev) {
+		if (get_sha1(old_rev, old_rev_sha1)) {
+			cgit_print_error("Bad object name: %s", old_rev);
+			return;
+		}
+	} else if (commit->parents && commit->parents->item) {
 		hashcpy(old_rev_sha1, commit->parents->item->object.sha1);
-	else
+	} else {
 		hashclr(old_rev_sha1);
+	}
 
 	if (!is_null_sha1(old_rev_sha1)) {
-		type = sha1_object_info(old_rev_sha1, &size);
-		if (type == OBJ_BAD) {
-			cgit_print_error("Bad object name: %s", sha1_to_hex(old_rev_sha1));
-			return;
-		}
 		commit2 = lookup_commit_reference(old_rev_sha1);
 		if (!commit2 || parse_commit(commit2)) {
 			cgit_print_error("Bad commit: %s", sha1_to_hex(old_rev_sha1));
 			return;
 		}
+		old_tree_sha1 = commit2->tree->object.sha1;
+	} else {
+		old_tree_sha1 = NULL;
 	}
 
 	if (raw) {
+		struct diff_options diffopt;
+
+		diff_setup(&diffopt);
+		diffopt.output_format = DIFF_FORMAT_PATCH;
+		DIFF_OPT_SET(&diffopt, RECURSIVE);
+		diff_setup_done(&diffopt);
+
 		ctx.page.mimetype = "text/plain";
 		cgit_print_http_headers(&ctx);
-		cgit_diff_tree(old_rev_sha1, new_rev_sha1, filepair_cb_raw,
-			       prefix, 0);
+		if (old_tree_sha1) {
+			diff_tree_sha1(old_tree_sha1, new_tree_sha1, "",
+				       &diffopt);
+		} else {
+			diff_root_tree_sha1(new_tree_sha1, "", &diffopt);
+		}
+		diffcore_std(&diffopt);
+		diff_flush(&diffopt);
+
 		return;
 	}