4 #define COLOR_RESET "\033[m"
6 int git_use_color_default = 0;
8 static int parse_color(const char *name, int len)
10 static const char * const color_names[] = {
11 "normal", "black", "red", "green", "yellow",
12 "blue", "magenta", "cyan", "white"
16 for (i = 0; i < ARRAY_SIZE(color_names); i++) {
17 const char *str = color_names[i];
18 if (!strncasecmp(name, str, len) && !str[len])
21 i = strtol(name, &end, 10);
22 if (end - name == len && i >= -1 && i <= 255)
27 static int parse_attr(const char *name, int len)
29 static const int attr_values[] = { 1, 2, 4, 5, 7 };
30 static const char * const attr_names[] = {
31 "bold", "dim", "ul", "blink", "reverse"
34 for (i = 0; i < ARRAY_SIZE(attr_names); i++) {
35 const char *str = attr_names[i];
36 if (!strncasecmp(name, str, len) && !str[len])
37 return attr_values[i];
42 void color_parse(const char *value, const char *var, char *dst)
44 const char *ptr = value;
49 if (!strcasecmp(value, "reset")) {
50 strcpy(dst, "\033[m");
54 /* [fg [bg]] [attr] */
56 const char *word = ptr;
59 while (word[len] && !isspace(word[len]))
63 while (*ptr && isspace(*ptr))
66 val = parse_color(word, len);
78 val = parse_attr(word, len);
79 if (val < 0 || attr != -1)
84 if (attr >= 0 || fg >= 0 || bg >= 0) {
100 dst += sprintf(dst, "38;5;%d", fg);
110 dst += sprintf(dst, "48;5;%d", bg);
118 die("bad config value '%s' for variable '%s'", value, var);
121 int git_config_colorbool(const char *var, const char *value, int stdout_is_tty)
124 if (!strcasecmp(value, "never"))
126 if (!strcasecmp(value, "always"))
128 if (!strcasecmp(value, "auto"))
132 /* Missing or explicit false to turn off colorization */
133 if (!git_config_bool(var, value))
136 /* any normal truth value defaults to 'auto' */
138 if (stdout_is_tty < 0)
139 stdout_is_tty = isatty(1);
140 if (stdout_is_tty || (pager_in_use() && pager_use_color)) {
141 char *term = getenv("TERM");
142 if (term && strcmp(term, "dumb"))
148 int git_color_default_config(const char *var, const char *value, void *cb)
150 if (!strcmp(var, "color.ui")) {
151 git_use_color_default = git_config_colorbool(var, value, -1);
155 return git_default_config(var, value, cb);
158 static int color_vfprintf(FILE *fp, const char *color, const char *fmt,
159 va_list args, const char *trail)
164 r += fprintf(fp, "%s", color);
165 r += vfprintf(fp, fmt, args);
167 r += fprintf(fp, "%s", COLOR_RESET);
169 r += fprintf(fp, "%s", trail);
175 int color_fprintf(FILE *fp, const char *color, const char *fmt, ...)
180 r = color_vfprintf(fp, color, fmt, args, NULL);
185 int color_fprintf_ln(FILE *fp, const char *color, const char *fmt, ...)
190 r = color_vfprintf(fp, color, fmt, args, "\n");