X-Git-Url: https://git.tokkee.org/?a=blobdiff_plain;ds=sidebyside;f=diff-lib.c;h=fc69fb92a50c3dff67da76fedf1bf1df561c6065;hb=3ed74e608a69ce0f10bfad2e4ef6cf99eec04613;hp=116b5a9d6834c9517ccc2202510b37a1e1d863a5;hpb=592689c46187165d80ab35c9090404b7ee248dbb;p=git.git

diff --git a/diff-lib.c b/diff-lib.c
index 116b5a9d6..fc69fb92a 100644
--- a/diff-lib.c
+++ b/diff-lib.c
@@ -48,7 +48,7 @@ int run_diff_files(struct rev_info *revs, int silent_on_removed)
 			memcpy(dpath->path, ce->name, path_len);
 			dpath->path[path_len] = '\0';
 			dpath->mode = 0;
-			memset(dpath->sha1, 0, 20);
+			hashclr(dpath->sha1);
 			memset(&(dpath->parent[0]), 0,
 					sizeof(struct combine_diff_parent)*5);
 
@@ -66,8 +66,7 @@ int run_diff_files(struct rev_info *revs, int silent_on_removed)
 				if (2 <= stage) {
 					int mode = ntohl(nce->ce_mode);
 					num_compare_stages++;
-					memcpy(dpath->parent[stage-2].sha1,
-					       nce->sha1, 20);
+					hashcpy(dpath->parent[stage-2].sha1, nce->sha1);
 					dpath->parent[stage-2].mode =
 						canon_mode(mode);
 					dpath->parent[stage-2].status =
@@ -214,8 +213,33 @@ static int show_modified(struct rev_info *revs,
 		return -1;
 	}
 
+	if (revs->combine_merges && !cached &&
+	    (hashcmp(sha1, old->sha1) || hashcmp(old->sha1, new->sha1))) {
+		struct combine_diff_path *p;
+		int pathlen = ce_namelen(new);
+
+		p = xmalloc(combine_diff_path_size(2, pathlen));
+		p->path = (char *) &p->parent[2];
+		p->next = NULL;
+		p->len = pathlen;
+		memcpy(p->path, new->name, pathlen);
+		p->path[pathlen] = 0;
+		p->mode = ntohl(mode);
+		hashclr(p->sha1);
+		memset(p->parent, 0, 2 * sizeof(struct combine_diff_parent));
+		p->parent[0].status = DIFF_STATUS_MODIFIED;
+		p->parent[0].mode = ntohl(new->ce_mode);
+		hashcpy(p->parent[0].sha1, new->sha1);
+		p->parent[1].status = DIFF_STATUS_MODIFIED;
+		p->parent[1].mode = ntohl(old->ce_mode);
+		hashcpy(p->parent[1].sha1, old->sha1);
+		show_combined_diff(p, 2, revs->dense_combined_merges, revs);
+		free(p);
+		return 0;
+	}
+
 	oldmode = old->ce_mode;
-	if (mode == oldmode && !memcmp(sha1, old->sha1, 20) &&
+	if (mode == oldmode && !hashcmp(sha1, old->sha1) &&
 	    !revs->diffopt.find_copies_harder)
 		return 0;