4 static int git_use_color_default = 0;
5 int color_stdout_is_tty = -1;
8 * The list of available column colors.
10 const char *column_colors_ansi[] = {
19 GIT_COLOR_BOLD_YELLOW,
21 GIT_COLOR_BOLD_MAGENTA,
26 /* Ignore the RESET at the end when giving the size */
27 const int column_colors_ansi_max = ARRAY_SIZE(column_colors_ansi) - 1;
29 static int parse_color(const char *name, int len)
31 static const char * const color_names[] = {
32 "normal", "black", "red", "green", "yellow",
33 "blue", "magenta", "cyan", "white"
37 for (i = 0; i < ARRAY_SIZE(color_names); i++) {
38 const char *str = color_names[i];
39 if (!strncasecmp(name, str, len) && !str[len])
42 i = strtol(name, &end, 10);
43 if (end - name == len && i >= -1 && i <= 255)
48 static int parse_attr(const char *name, int len)
50 static const int attr_values[] = { 1, 2, 4, 5, 7 };
51 static const char * const attr_names[] = {
52 "bold", "dim", "ul", "blink", "reverse"
55 for (i = 0; i < ARRAY_SIZE(attr_names); i++) {
56 const char *str = attr_names[i];
57 if (!strncasecmp(name, str, len) && !str[len])
58 return attr_values[i];
63 void color_parse(const char *value, const char *var, char *dst)
65 color_parse_mem(value, strlen(value), var, dst);
68 void color_parse_mem(const char *value, int value_len, const char *var,
71 const char *ptr = value;
73 unsigned int attr = 0;
77 if (!strncasecmp(value, "reset", len)) {
78 strcpy(dst, GIT_COLOR_RESET);
82 /* [fg [bg]] [attr]... */
84 const char *word = ptr;
87 while (len > 0 && !isspace(word[wordlen])) {
93 while (len > 0 && isspace(*ptr)) {
98 val = parse_color(word, wordlen);
110 val = parse_attr(word, wordlen);
117 if (attr || fg >= 0 || bg >= 0) {
124 for (i = 0; attr; i++) {
125 unsigned bit = (1 << i);
140 dst += sprintf(dst, "38;5;%d", fg);
150 dst += sprintf(dst, "48;5;%d", bg);
158 die("bad color value '%.*s' for variable '%s'", value_len, value, var);
161 int git_config_colorbool(const char *var, const char *value)
164 if (!strcasecmp(value, "never"))
166 if (!strcasecmp(value, "always"))
168 if (!strcasecmp(value, "auto"))
169 return GIT_COLOR_AUTO;
175 /* Missing or explicit false to turn off colorization */
176 if (!git_config_bool(var, value))
179 /* any normal truth value defaults to 'auto' */
180 return GIT_COLOR_AUTO;
183 static int check_auto_color(void)
185 if (color_stdout_is_tty < 0)
186 color_stdout_is_tty = isatty(1);
187 if (color_stdout_is_tty || (pager_in_use() && pager_use_color)) {
188 char *term = getenv("TERM");
189 if (term && strcmp(term, "dumb"))
195 int want_color(int var)
197 static int want_auto = -1;
200 var = git_use_color_default;
202 if (var == GIT_COLOR_AUTO) {
204 want_auto = check_auto_color();
210 int git_color_config(const char *var, const char *value, void *cb)
212 if (!strcmp(var, "color.ui")) {
213 git_use_color_default = git_config_colorbool(var, value);
220 int git_color_default_config(const char *var, const char *value, void *cb)
222 if (git_color_config(var, value, cb) < 0)
225 return git_default_config(var, value, cb);
228 void color_print_strbuf(FILE *fp, const char *color, const struct strbuf *sb)
231 fprintf(fp, "%s", color);
232 fprintf(fp, "%s", sb->buf);
234 fprintf(fp, "%s", GIT_COLOR_RESET);
237 static int color_vfprintf(FILE *fp, const char *color, const char *fmt,
238 va_list args, const char *trail)
243 r += fprintf(fp, "%s", color);
244 r += vfprintf(fp, fmt, args);
246 r += fprintf(fp, "%s", GIT_COLOR_RESET);
248 r += fprintf(fp, "%s", trail);
254 int color_fprintf(FILE *fp, const char *color, const char *fmt, ...)
259 r = color_vfprintf(fp, color, fmt, args, NULL);
264 int color_fprintf_ln(FILE *fp, const char *color, const char *fmt, ...)
269 r = color_vfprintf(fp, color, fmt, args, "\n");
274 int color_is_nil(const char *c)
276 return !strcmp(c, "NIL");