xdl_merge(): fix a segmentation fault when refining conflicts

[git.git] / diff.c

diff --git a/diff.c b/diff.c
index 77ba641aa48974a7601875bd0a6a351baa30e726..f14288bb8a100c43c6709f658b9a9ca44832fd7f 100644 (file)
--- a/diff.c
+++ b/diff.c
@@ -1,9 +1,6 @@
 /*
  * Copyright (C) 2005 Junio C Hamano
  */
-#include <sys/types.h>
-#include <sys/wait.h>
-#include <signal.h>
 #include "cache.h"
 #include "quote.h"
 #include "diff.h"
@@ -801,6 +798,35 @@ static void show_stats(struct diffstat_t* data, struct diff_options *options)
               set, total_files, adds, dels, reset);
 }
 
+static void show_shortstats(struct diffstat_t* data)
+{
+       int i, adds = 0, dels = 0, total_files = data->nr;
+
+       if (data->nr == 0)
+               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;
+                       }
+               }
+               free(data->files[i]->name);
+               free(data->files[i]);
+       }
+       free(data->files);
+
+       printf(" %d files changed, %d insertions(+), %d deletions(-)\n",
+              total_files, adds, dels);
+}
+
 static void show_numstat(struct diffstat_t* data, struct diff_options *options)
 {
        int i;
@@ -834,8 +860,6 @@ static void checkdiff_consume(void *priv, char *line, unsigned long len)
        if (line[0] == '+') {
                int i, spaces = 0;
 
-               data->lineno++;
-
                /* check space before tab */
                for (i = 1; i < len && (line[i] == ' ' || line[i] == '\t'); i++)
                        if (line[i] == ' ')
@@ -850,6 +874,8 @@ static void checkdiff_consume(void *priv, char *line, unsigned long len)
                if (isspace(line[len - 1]))
                        printf("%s:%d: white space at end: %.*s\n",
                                data->filename, data->lineno, (int)len, line);
+
+               data->lineno++;
        } else if (line[0] == ' ')
                data->lineno++;
        else if (line[0] == '@') {
@@ -1194,7 +1220,7 @@ static int reuse_worktree_file(const char *name, const unsigned char *sha1, int
         * objects however would tend to be slower as they need
         * to be individually opened and inflated.
         */
-       if (FAST_WORKING_DIRECTORY && !want_file && has_sha1_pack(sha1, NULL))
+       if (!FAST_WORKING_DIRECTORY && !want_file && has_sha1_pack(sha1, NULL))
                return 0;
 
        len = strlen(name);
@@ -1771,6 +1797,7 @@ int diff_setup_done(struct diff_options *options)
                options->output_format &= ~(DIFF_FORMAT_RAW |
                                            DIFF_FORMAT_NUMSTAT |
                                            DIFF_FORMAT_DIFFSTAT |
+                                           DIFF_FORMAT_SHORTSTAT |
                                            DIFF_FORMAT_SUMMARY |
                                            DIFF_FORMAT_PATCH);
 
@@ -1781,6 +1808,7 @@ int diff_setup_done(struct diff_options *options)
        if (options->output_format & (DIFF_FORMAT_PATCH |
                                      DIFF_FORMAT_NUMSTAT |
                                      DIFF_FORMAT_DIFFSTAT |
+                                     DIFF_FORMAT_SHORTSTAT |
                                      DIFF_FORMAT_SUMMARY |
                                      DIFF_FORMAT_CHECKDIFF))
                options->recursive = 1;
@@ -1872,6 +1900,9 @@ int diff_opt_parse(struct diff_options *options, const char **av, int ac)
        else if (!strcmp(arg, "--numstat")) {
                options->output_format |= DIFF_FORMAT_NUMSTAT;
        }
+       else if (!strcmp(arg, "--shortstat")) {
+               options->output_format |= DIFF_FORMAT_SHORTSTAT;
+       }
        else if (!strncmp(arg, "--stat", 6)) {
                char *end;
                int width = options->stat_width;
@@ -2646,7 +2677,7 @@ void diff_flush(struct diff_options *options)
                separator++;
        }
 
-       if (output_format & (DIFF_FORMAT_DIFFSTAT|DIFF_FORMAT_NUMSTAT)) {
+       if (output_format & (DIFF_FORMAT_DIFFSTAT|DIFF_FORMAT_SHORTSTAT|DIFF_FORMAT_NUMSTAT)) {
                struct diffstat_t diffstat;
 
                memset(&diffstat, 0, sizeof(struct diffstat_t));
@@ -2660,6 +2691,8 @@ void diff_flush(struct diff_options *options)
                        show_numstat(&diffstat, options);
                if (output_format & DIFF_FORMAT_DIFFSTAT)
                        show_stats(&diffstat, options);
+               else if (output_format & DIFF_FORMAT_SHORTSTAT)
+                       show_shortstats(&diffstat);
                separator++;
        }