Documentation/notes: clean up description of rewriting configuration

diff --git a/parse-options.c b/parse-options.c
index d218122af5c2c0cddd857fce0ae5064bf32f6387..8546d8526f311e2a2703c258a4da3f02f8650df4 100644 (file)
--- a/parse-options.c
+++ b/parse-options.c
@@ -2,6 +2,7 @@
 #include "parse-options.h"
 #include "cache.h"
 #include "commit.h"
+#include "color.h"
 
 static int parse_options_usage(const char * const *usagestr,
                               const struct option *opts);
@@ -599,6 +600,21 @@ int parse_opt_approxidate_cb(const struct option *opt, const char *arg,
        return 0;
 }
 
+int parse_opt_color_flag_cb(const struct option *opt, const char *arg,
+                           int unset)
+{
+       int value;
+
+       if (!arg)
+               arg = unset ? "never" : (const char *)opt->defval;
+       value = git_config_colorbool(NULL, arg, -1);
+       if (value < 0)
+               return opterror(opt,
+                       "expects \"always\", \"auto\", or \"never\"", 0);
+       *(int *)opt->value = value;
+       return 0;
+}
+
 int parse_opt_verbosity_cb(const struct option *opt, const char *arg,
                           int unset)
 {
@@ -643,3 +659,18 @@ int parse_opt_tertiary(const struct option *opt, const char *arg, int unset)
        *target = unset ? 2 : 1;
        return 0;
 }
+
+int parse_options_concat(struct option *dst, size_t dst_size, struct option *src)
+{
+       int i, j;
+
+       for (i = 0; i < dst_size; i++)
+               if (dst[i].type == OPTION_END)
+                       break;
+       for (j = 0; i < dst_size; i++, j++) {
+               dst[i] = src[j];
+               if (src[j].type == OPTION_END)
+                       return 0;
+       }
+       return -1;
+}