teach log --no-walk=unsorted, which avoids sorting

[git.git] / diff.c

diff --git a/diff.c b/diff.c
index 02081d2af249d7fef660bd401a6d508b2e21cff1..1a594df4f45bf0bc8409e871535f7ebd34684c6c 100644 (file)
--- a/diff.c
+++ b/diff.c
@@ -1614,8 +1614,12 @@ static void show_stats(struct diffstat_t *data, struct diff_options *options)
                if (data->files[i]->is_binary) {
                        fprintf(options->file, "%s", line_prefix);
                        show_name(options->file, prefix, name, len);
-                       fprintf(options->file, " %*s ", number_width, "Bin");
-                       fprintf(options->file, "%s%"PRIuMAX"%s",
+                       fprintf(options->file, " %*s", number_width, "Bin");
+                       if (!added && !deleted) {
+                               putc('\n', options->file);
+                               continue;
+                       }
+                       fprintf(options->file, " %s%"PRIuMAX"%s",
                                del_c, deleted, reset);
                        fprintf(options->file, " -> ");
                        fprintf(options->file, "%s%"PRIuMAX"%s",
@@ -1689,17 +1693,16 @@ static void show_shortstats(struct diffstat_t *data, struct diff_options *option
                return;
 
        for (i = 0; i < data->nr; i++) {
-               if (!data->files[i]->is_binary &&
-                   !data->files[i]->is_unmerged) {
-                       int added = data->files[i]->added;
-                       int deleted= data->files[i]->deleted;
-                       if (!data->files[i]->is_renamed &&
-                           (added + deleted == 0)) {
-                               total_files--;
-                       } else {
-                               adds += added;
-                               dels += deleted;
-                       }
+               int added = data->files[i]->added;
+               int deleted= data->files[i]->deleted;
+
+               if (data->files[i]->is_unmerged)
+                       continue;
+               if (!data->files[i]->is_renamed && (added + deleted == 0)) {
+                       total_files--;
+               } else if (!data->files[i]->is_binary) { /* don't count bytes */
+                       adds += added;
+                       dels += deleted;
                }
        }
        if (options->output_prefix) {
@@ -2399,6 +2402,7 @@ static void builtin_diffstat(const char *name_a, const char *name_b,
 {
        mmfile_t mf1, mf2;
        struct diffstat_file *data;
+       int same_contents;
 
        data = diffstat_add(diffstat, name_a, name_b);
 
@@ -2407,10 +2411,17 @@ static void builtin_diffstat(const char *name_a, const char *name_b,
                return;
        }
 
+       same_contents = !hashcmp(one->sha1, two->sha1);
+
        if (diff_filespec_is_binary(one) || diff_filespec_is_binary(two)) {
                data->is_binary = 1;
-               data->added = diff_filespec_size(two);
-               data->deleted = diff_filespec_size(one);
+               if (same_contents) {
+                       data->added = 0;
+                       data->deleted = 0;
+               } else {
+                       data->added = diff_filespec_size(two);
+                       data->deleted = diff_filespec_size(one);
+               }
        }
 
        else if (complete_rewrite) {
@@ -2420,7 +2431,7 @@ static void builtin_diffstat(const char *name_a, const char *name_b,
                data->added = count_lines(two->data, two->size);
        }
 
-       else {
+       else if (!same_contents) {
                /* Crazy xdl interfaces.. */
                xpparam_t xpp;
                xdemitconf_t xecfg;