Teach builtin-notes to remove empty notes

diff --git a/color.h b/color.h
index 5019df82f79f1888b3aa57b9752a6a55b13f475a..3cb4b7fc890880b0fcf19a11c6bc7de6b10d6e8d 100644 (file)
--- a/color.h
+++ b/color.h
@@ -4,6 +4,22 @@
 /* "\033[1;38;5;2xx;48;5;2xxm\0" is 23 bytes */
 #define COLOR_MAXLEN 24
 
+/*
+ * IMPORTANT: Due to the way these color codes are emulated on Windows,
+ * write them only using printf(), fprintf(), and fputs(). In particular,
+ * do not use puts() or write().
+ */
+#define GIT_COLOR_NORMAL       ""
+#define GIT_COLOR_RESET                "\033[m"
+#define GIT_COLOR_BOLD         "\033[1m"
+#define GIT_COLOR_RED          "\033[31m"
+#define GIT_COLOR_GREEN                "\033[32m"
+#define GIT_COLOR_YELLOW       "\033[33m"
+#define GIT_COLOR_BLUE         "\033[34m"
+#define GIT_COLOR_MAGENTA      "\033[35m"
+#define GIT_COLOR_CYAN         "\033[36m"
+#define GIT_COLOR_BG_RED       "\033[41m"
+
 /*
  * This variable stores the value of color.ui
  */
@@ -18,7 +34,9 @@ int git_color_default_config(const char *var, const char *value, void *cb);
 int git_config_colorbool(const char *var, const char *value, int stdout_is_tty);
 void color_parse(const char *value, const char *var, char *dst);
 void color_parse_mem(const char *value, int len, const char *var, char *dst);
+__attribute__((format (printf, 3, 4)))
 int color_fprintf(FILE *fp, const char *color, const char *fmt, ...);
+__attribute__((format (printf, 3, 4)))
 int color_fprintf_ln(FILE *fp, const char *color, const char *fmt, ...);
 int color_fwrite_lines(FILE *fp, const char *color, size_t count, const char *buf);