Remove empty ref directories that prevent creating a ref.
[gitweb.git] / diff.c
diff --git a/diff.c b/diff.c
index 70699fd8c48754215934a8ed45db336b9db68918..443e24861ba1857822dbe8e3c831f8037e4e832e 100644 (file)
--- a/diff.c
+++ b/diff.c
@@ -10,6 +10,7 @@
 #include "diffcore.h"
 #include "delta.h"
 #include "xdiff-interface.h"
+#include "color.h"
 
 static int use_size_cache;
 
@@ -17,8 +18,7 @@ static int diff_detect_rename_default;
 static int diff_rename_limit_default = -1;
 static int diff_use_color_default;
 
-/* "\033[1;38;5;2xx;48;5;2xxm\0" is 23 bytes */
-static char diff_colors[][24] = {
+static char diff_colors[][COLOR_MAXLEN] = {
        "\033[m",       /* reset */
        "",             /* normal */
        "\033[1m",      /* bold */
@@ -45,119 +45,6 @@ static int parse_diff_color_slot(const char *var, int ofs)
        die("bad config variable '%s'", var);
 }
 
-static int parse_color(const char *name, int len)
-{
-       static const char * const color_names[] = {
-               "normal", "black", "red", "green", "yellow",
-               "blue", "magenta", "cyan", "white"
-       };
-       char *end;
-       int i;
-       for (i = 0; i < ARRAY_SIZE(color_names); i++) {
-               const char *str = color_names[i];
-               if (!strncasecmp(name, str, len) && !str[len])
-                       return i - 1;
-       }
-       i = strtol(name, &end, 10);
-       if (*name && !*end && i >= -1 && i <= 255)
-               return i;
-       return -2;
-}
-
-static int parse_attr(const char *name, int len)
-{
-       static const int attr_values[] = { 1, 2, 4, 5, 7 };
-       static const char * const attr_names[] = {
-               "bold", "dim", "ul", "blink", "reverse"
-       };
-       int i;
-       for (i = 0; i < ARRAY_SIZE(attr_names); i++) {
-               const char *str = attr_names[i];
-               if (!strncasecmp(name, str, len) && !str[len])
-                       return attr_values[i];
-       }
-       return -1;
-}
-
-static void parse_diff_color_value(const char *value, const char *var, char *dst)
-{
-       const char *ptr = value;
-       int attr = -1;
-       int fg = -2;
-       int bg = -2;
-
-       if (!strcasecmp(value, "reset")) {
-               strcpy(dst, "\033[m");
-               return;
-       }
-
-       /* [fg [bg]] [attr] */
-       while (*ptr) {
-               const char *word = ptr;
-               int val, len = 0;
-
-               while (word[len] && !isspace(word[len]))
-                       len++;
-
-               ptr = word + len;
-               while (*ptr && isspace(*ptr))
-                       ptr++;
-
-               val = parse_color(word, len);
-               if (val >= -1) {
-                       if (fg == -2) {
-                               fg = val;
-                               continue;
-                       }
-                       if (bg == -2) {
-                               bg = val;
-                               continue;
-                       }
-                       goto bad;
-               }
-               val = parse_attr(word, len);
-               if (val < 0 || attr != -1)
-                       goto bad;
-               attr = val;
-       }
-
-       if (attr >= 0 || fg >= 0 || bg >= 0) {
-               int sep = 0;
-
-               *dst++ = '\033';
-               *dst++ = '[';
-               if (attr >= 0) {
-                       *dst++ = '0' + attr;
-                       sep++;
-               }
-               if (fg >= 0) {
-                       if (sep++)
-                               *dst++ = ';';
-                       if (fg < 8) {
-                               *dst++ = '3';
-                               *dst++ = '0' + fg;
-                       } else {
-                               dst += sprintf(dst, "38;5;%d", fg);
-                       }
-               }
-               if (bg >= 0) {
-                       if (sep++)
-                               *dst++ = ';';
-                       if (bg < 8) {
-                               *dst++ = '4';
-                               *dst++ = '0' + bg;
-                       } else {
-                               dst += sprintf(dst, "48;5;%d", bg);
-                       }
-               }
-               *dst++ = 'm';
-       }
-       *dst = 0;
-       return;
-bad:
-       die("bad config value '%s' for variable '%s'", value, var);
-}
-
 /*
  * These are to give UI layer defaults.
  * The core-level commands such as git-diff-files should
@@ -171,22 +58,7 @@ int git_diff_ui_config(const char *var, const char *value)
                return 0;
        }
        if (!strcmp(var, "diff.color")) {
-               if (!value)
-                       diff_use_color_default = 1; /* bool */
-               else if (!strcasecmp(value, "auto")) {
-                       diff_use_color_default = 0;
-                       if (isatty(1) || (pager_in_use && pager_use_color)) {
-                               char *term = getenv("TERM");
-                               if (term && strcmp(term, "dumb"))
-                                       diff_use_color_default = 1;
-                       }
-               }
-               else if (!strcasecmp(value, "never"))
-                       diff_use_color_default = 0;
-               else if (!strcasecmp(value, "always"))
-                       diff_use_color_default = 1;
-               else
-                       diff_use_color_default = git_config_bool(var, value);
+               diff_use_color_default = git_config_colorbool(var, value);
                return 0;
        }
        if (!strcmp(var, "diff.renames")) {
@@ -201,7 +73,7 @@ int git_diff_ui_config(const char *var, const char *value)
        }
        if (!strncmp(var, "diff.color.", 11)) {
                int slot = parse_diff_color_slot(var, 11);
-               parse_diff_color_value(value, var, diff_colors[slot]);
+               color_parse(value, var, diff_colors[slot]);
                return 0;
        }
        return git_default_config(var, value);
@@ -216,7 +88,7 @@ static char *quote_one(const char *str)
                return NULL;
        needlen = quote_c_style(str, NULL, NULL, 0);
        if (!needlen)
-               return strdup(str);
+               return xstrdup(str);
        xp = xmalloc(needlen + 1);
        quote_c_style(str, xp, NULL, 0);
        return xp;
@@ -658,7 +530,7 @@ static struct diffstat_file *diffstat_add(struct diffstat_t *diffstat,
                x->is_renamed = 1;
        }
        else
-               x->name = strdup(name_a);
+               x->name = xstrdup(name_a);
        return x;
 }
 
@@ -1588,6 +1460,12 @@ static void run_diff(struct diff_filepair *p, struct diff_options *o)
        if (hashcmp(one->sha1, two->sha1)) {
                int abbrev = o->full_index ? 40 : DEFAULT_ABBREV;
 
+               if (o->binary) {
+                       mmfile_t mf;
+                       if ((!fill_mmfile(&mf, one) && mmfile_is_binary(&mf)) ||
+                           (!fill_mmfile(&mf, two) && mmfile_is_binary(&mf)))
+                               abbrev = 40;
+               }
                len += snprintf(msg + len, sizeof(msg) - len,
                                "index %.*s..%.*s",
                                abbrev, sha1_to_hex(one->sha1),
@@ -1818,7 +1696,7 @@ int diff_opt_parse(struct diff_options *options, const char **av, int ac)
                options->full_index = 1;
        else if (!strcmp(arg, "--binary")) {
                options->output_format |= DIFF_FORMAT_PATCH;
-               options->full_index = options->binary = 1;
+               options->binary = 1;
        }
        else if (!strcmp(arg, "-a") || !strcmp(arg, "--text")) {
                options->text = 1;
@@ -2587,6 +2465,9 @@ void diff_flush(struct diff_options *options)
                }
        }
 
+       if (output_format & DIFF_FORMAT_CALLBACK)
+               options->format_callback(q, options, options->format_callback_data);
+
        for (i = 0; i < q->nr; i++)
                diff_free_filepair(q->queue[i]);
 free_queue: