test-lib: reorder and include GIT-BUILD-OPTIONS a lot earlier

diff --git a/diff.c b/diff.c
index c316e0cbfbb788a6e0066069c3425b1f712e543b..77edd5086fff30af36e92a151377c285de21aca3 100644 (file)
--- a/diff.c
+++ b/diff.c
@@ -1530,7 +1530,7 @@ static void show_stats(struct diffstat_t *data, struct diff_options *options)
         */
 
        if (options->stat_width == -1)
-               width = term_columns();
+               width = term_columns() - options->output_prefix_length;
        else
                width = options->stat_width ? options->stat_width : 80;
        number_width = decimal_width(max_change) > number_width ?
@@ -1564,8 +1564,12 @@ static void show_stats(struct diffstat_t *data, struct diff_options *options)
         * Adjust adjustable widths not to exceed maximum width
         */
        if (name_width + number_width + 6 + graph_width > width) {
-               if (graph_width > width * 3/8 - number_width - 6)
+               if (graph_width > width * 3/8 - number_width - 6) {
                        graph_width = width * 3/8 - number_width - 6;
+                       if (graph_width < 6)
+                               graph_width = 6;
+               }
+
                if (options->stat_graph_width &&
                    graph_width > options->stat_graph_width)
                        graph_width = options->stat_graph_width;
@@ -1610,8 +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",
@@ -1685,17 +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 {
+                       adds += added;
+                       dels += deleted;
                }
        }
        if (options->output_prefix) {
@@ -2395,6 +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);
 
@@ -2403,10 +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) {
@@ -2416,7 +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;