Add RelNotes 1.5.1
[gitweb.git] / diff.c
diff --git a/diff.c b/diff.c
index 14684a5c81ca7a42181c4d51c596fb80a43e1a3a..12c8b2b876fc09454204cac3d26a0e98413bfbe2 100644 (file)
--- a/diff.c
+++ b/diff.c
@@ -207,11 +207,18 @@ static void emit_rewrite_diff(const char *name_a,
                              struct diff_filespec *two)
 {
        int lc_a, lc_b;
+       const char *name_a_tab, *name_b_tab;
+
+       name_a_tab = strchr(name_a, ' ') ? "\t" : "";
+       name_b_tab = strchr(name_b, ' ') ? "\t" : "";
+
        diff_populate_filespec(one, 0);
        diff_populate_filespec(two, 0);
        lc_a = count_lines(one->data, one->size);
        lc_b = count_lines(two->data, two->size);
-       printf("--- a/%s\n+++ b/%s\n@@ -", name_a, name_b);
+       printf("--- a/%s%s\n+++ b/%s%s\n@@ -",
+              name_a, name_a_tab,
+              name_b, name_b_tab);
        print_line_count(lc_a);
        printf(" +");
        print_line_count(lc_b);
@@ -477,8 +484,15 @@ static void fn_out_consume(void *priv, char *line, unsigned long len)
        const char *reset = diff_get_color(ecbdata->color_diff, DIFF_RESET);
 
        if (ecbdata->label_path[0]) {
-               printf("%s--- %s%s\n", set, ecbdata->label_path[0], reset);
-               printf("%s+++ %s%s\n", set, ecbdata->label_path[1], reset);
+               const char *name_a_tab, *name_b_tab;
+
+               name_a_tab = strchr(ecbdata->label_path[0], ' ') ? "\t" : "";
+               name_b_tab = strchr(ecbdata->label_path[1], ' ') ? "\t" : "";
+
+               printf("%s--- %s%s%s\n",
+                      set, ecbdata->label_path[0], reset, name_a_tab);
+               printf("%s+++ %s%s%s\n",
+                      set, ecbdata->label_path[1], reset, name_b_tab);
                ecbdata->label_path[0] = ecbdata->label_path[1] = NULL;
        }
 
@@ -545,6 +559,24 @@ static char *pprint_rename(const char *a, const char *b)
        int pfx_length, sfx_length;
        int len_a = strlen(a);
        int len_b = strlen(b);
+       int qlen_a = quote_c_style(a, NULL, NULL, 0);
+       int qlen_b = quote_c_style(b, NULL, NULL, 0);
+
+       if (qlen_a || qlen_b) {
+               if (qlen_a) len_a = qlen_a;
+               if (qlen_b) len_b = qlen_b;
+               name = xmalloc( len_a + len_b + 5 );
+               if (qlen_a)
+                       quote_c_style(a, name, NULL, 0);
+               else
+                       memcpy(name, a, len_a);
+               memcpy(name + len_a, " => ", 4);
+               if (qlen_b)
+                       quote_c_style(b, name + len_a + 4, NULL, 0);
+               else
+                       memcpy(name + len_a + 4, b, len_b + 1);
+               return name;
+       }
 
        /* Find common prefix */
        pfx_length = 0;
@@ -701,12 +733,14 @@ static void show_stats(struct diffstat_t* data, struct diff_options *options)
                struct diffstat_file *file = data->files[i];
                int change = file->added + file->deleted;
 
-               len = quote_c_style(file->name, NULL, NULL, 0);
-               if (len) {
-                       char *qname = xmalloc(len + 1);
-                       quote_c_style(file->name, qname, NULL, 0);
-                       free(file->name);
-                       file->name = qname;
+               if (!file->is_renamed) {  /* renames are already quoted by pprint_rename */
+                       len = quote_c_style(file->name, NULL, NULL, 0);
+                       if (len) {
+                               char *qname = xmalloc(len + 1);
+                               quote_c_style(file->name, qname, NULL, 0);
+                               free(file->name);
+                               file->name = qname;
+                       }
                }
 
                len = strlen(file->name);
@@ -838,7 +872,7 @@ static void show_numstat(struct diffstat_t* data, struct diff_options *options)
                        printf("-\t-\t");
                else
                        printf("%d\t%d\t", file->added, file->deleted);
-               if (options->line_termination &&
+               if (options->line_termination && !file->is_renamed &&
                    quote_c_style(file->name, NULL, NULL, 0))
                        quote_c_style(file->name, NULL, stdout, 0);
                else
@@ -1344,6 +1378,7 @@ int diff_populate_filespec(struct diff_filespec *s, int size_only)
                s->data = xmmap(NULL, s->size, PROT_READ, MAP_PRIVATE, fd, 0);
                close(fd);
                s->should_munmap = 1;
+               /* FIXME! CRLF -> LF conversion goes here, based on "s->path" */
        }
        else {
                char type[20];
@@ -2003,6 +2038,8 @@ int diff_opt_parse(struct diff_options *options, const char **av, int ac)
                options->xdl_opts |= XDF_IGNORE_WHITESPACE;
        else if (!strcmp(arg, "-b") || !strcmp(arg, "--ignore-space-change"))
                options->xdl_opts |= XDF_IGNORE_WHITESPACE_CHANGE;
+       else if (!strcmp(arg, "--ignore-space-at-eol"))
+               options->xdl_opts |= XDF_IGNORE_WHITESPACE_AT_EOL;
        else if (!strcmp(arg, "--color-words"))
                options->color_diff = options->color_diff_words = 1;
        else if (!strcmp(arg, "--no-renames"))