+static void show_combined_header(struct combine_diff_path *elem,
+ int num_parent,
+ int dense,
+ struct rev_info *rev,
+ int mode_differs,
+ int show_file_header)
+{
+ struct diff_options *opt = &rev->diffopt;
+ int abbrev = DIFF_OPT_TST(opt, FULL_INDEX) ? 40 : DEFAULT_ABBREV;
+ const char *a_prefix = opt->a_prefix ? opt->a_prefix : "a/";
+ const char *b_prefix = opt->b_prefix ? opt->b_prefix : "b/";
+ int use_color = DIFF_OPT_TST(opt, COLOR_DIFF);
+ const char *c_meta = diff_get_color(use_color, DIFF_METAINFO);
+ const char *c_reset = diff_get_color(use_color, DIFF_RESET);
+ const char *abb;
+ int added = 0;
+ int deleted = 0;
+ int i;
+
+ if (rev->loginfo && !rev->no_commit_id)
+ show_log(rev);
+
+ dump_quoted_path(dense ? "diff --cc " : "diff --combined ",
+ "", elem->path, c_meta, c_reset);
+ printf("%sindex ", c_meta);
+ for (i = 0; i < num_parent; i++) {
+ abb = find_unique_abbrev(elem->parent[i].sha1,
+ abbrev);
+ printf("%s%s", i ? "," : "", abb);
+ }
+ abb = find_unique_abbrev(elem->sha1, abbrev);
+ printf("..%s%s\n", abb, c_reset);
+
+ if (mode_differs) {
+ deleted = !elem->mode;
+
+ /* We say it was added if nobody had it */
+ added = !deleted;
+ for (i = 0; added && i < num_parent; i++)
+ if (elem->parent[i].status !=
+ DIFF_STATUS_ADDED)
+ added = 0;
+ if (added)
+ printf("%snew file mode %06o",
+ c_meta, elem->mode);
+ else {
+ if (deleted)
+ printf("%sdeleted file ", c_meta);
+ printf("mode ");
+ for (i = 0; i < num_parent; i++) {
+ printf("%s%06o", i ? "," : "",
+ elem->parent[i].mode);
+ }
+ if (elem->mode)
+ printf("..%06o", elem->mode);
+ }
+ printf("%s\n", c_reset);
+ }
+
+ if (!show_file_header)
+ return;
+
+ if (added)
+ dump_quoted_path("--- ", "", "/dev/null",
+ c_meta, c_reset);
+ else
+ dump_quoted_path("--- ", a_prefix, elem->path,
+ c_meta, c_reset);
+ if (deleted)
+ dump_quoted_path("+++ ", "", "/dev/null",
+ c_meta, c_reset);
+ else
+ dump_quoted_path("+++ ", b_prefix, elem->path,
+ c_meta, c_reset);
+}
+