status: add --porcelain output format

diff --git a/color.c b/color.c
index 915d7a97f67dfd8459e2adc444acab777e503ddd..62977f4808ae339fdfe797e16b4eb28dc6abb85d 100644 (file)
--- a/color.c
+++ b/color.c
@@ -1,8 +1,6 @@
 #include "cache.h"
 #include "color.h"
 
-#define COLOR_RESET "\033[m"
-
 int git_use_color_default = 0;
 
 static int parse_color(const char *name, int len)
@@ -54,7 +52,7 @@ void color_parse_mem(const char *value, int value_len, const char *var,
        int bg = -2;
 
        if (!strncasecmp(value, "reset", len)) {
-               strcpy(dst, "\033[m");
+               strcpy(dst, GIT_COLOR_RESET);
                return;
        }
 
@@ -175,7 +173,7 @@ static int color_vfprintf(FILE *fp, const char *color, const char *fmt,
                r += fprintf(fp, "%s", color);
        r += vfprintf(fp, fmt, args);
        if (*color)
-               r += fprintf(fp, "%s", COLOR_RESET);
+               r += fprintf(fp, "%s", GIT_COLOR_RESET);
        if (trail)
                r += fprintf(fp, "%s", trail);
        return r;
@@ -202,3 +200,31 @@ int color_fprintf_ln(FILE *fp, const char *color, const char *fmt, ...)
        va_end(args);
        return r;
 }
+
+/*
+ * This function splits the buffer by newlines and colors the lines individually.
+ *
+ * Returns 0 on success.
+ */
+int color_fwrite_lines(FILE *fp, const char *color,
+               size_t count, const char *buf)
+{
+       if (!*color)
+               return fwrite(buf, count, 1, fp) != 1;
+       while (count) {
+               char *p = memchr(buf, '\n', count);
+               if (p != buf && (fputs(color, fp) < 0 ||
+                               fwrite(buf, p ? p - buf : count, 1, fp) != 1 ||
+                               fputs(GIT_COLOR_RESET, fp) < 0))
+                       return -1;
+               if (!p)
+                       return 0;
+               if (fputc('\n', fp) < 0)
+                       return -1;
+               count -= p + 1 - buf;
+               buf = p + 1;
+       }
+       return 0;
+}
+
+