X-Git-Url: https://git.tokkee.org/?a=blobdiff_plain;f=combine-diff.c;h=ea3ca5f950561a92fdd3be1a4ee4bbd726656118;hb=8960b5a7dfb160be65dc9122df8c7603a5f8aced;hp=9daa0cb9a95fe6c2176a927f093d8788d0195240;hpb=16d53152f10bf5c1cae4eb1f85dfab7dc280f913;p=git.git

diff --git a/combine-diff.c b/combine-diff.c
index 9daa0cb9a..ea3ca5f95 100644
--- a/combine-diff.c
+++ b/combine-diff.c
@@ -684,7 +684,7 @@ static void show_patch_diff(struct combine_diff_path *elem, int num_parent,
 			goto deleted_file;
 
 		if (S_ISLNK(st.st_mode)) {
-			size_t len = st.st_size;
+			size_t len = xsize_t(st.st_size);
 			result_size = len;
 			result = xmalloc(len + 1);
 			if (result_size != readlink(elem->path, result, len)) {
@@ -697,14 +697,24 @@ static void show_patch_diff(struct combine_diff_path *elem, int num_parent,
 		}
 		else if (0 <= (fd = open(elem->path, O_RDONLY)) &&
 			 !fstat(fd, &st)) {
-			size_t len = st.st_size;
+			size_t len = xsize_t(st.st_size);
 			size_t sz = 0;
+			int is_file, i;
 
 			elem->mode = canon_mode(st.st_mode);
+			/* if symlinks don't work, assume symlink if all parents
+			 * are symlinks
+			 */
+			is_file = has_symlinks;
+			for (i = 0; !is_file && i < num_parent; i++)
+				is_file = !S_ISLNK(elem->parent[i].mode);
+			if (!is_file)
+				elem->mode = canon_mode(S_IFLNK);
+
 			result_size = len;
 			result = xmalloc(len + 1);
 			while (sz < len) {
-				int done = xread(fd, result+sz, len-sz);
+				ssize_t done = xread(fd, result+sz, len-sz);
 				if (done == 0)
 					break;
 				if (done < 0)
@@ -933,6 +943,7 @@ void diff_tree_combined(const unsigned char *sha1,
 	diffopts = *opt;
 	diffopts.output_format = DIFF_FORMAT_NO_OUTPUT;
 	diffopts.recursive = 1;
+	diffopts.allow_external = 0;
 
 	show_log_first = !!rev->loginfo && !rev->no_commit_id;
 	needsep = 0;