Teach rebase the --no-ff option.

diff --git a/parse-options.c b/parse-options.c
index f7ce523a615b121b8a0825e459c1b75f24253c85..c83035d013d3f50e9367f2b07d49cf17a1e22ff6 100644 (file)
--- a/parse-options.c
+++ b/parse-options.c
@@ -2,6 +2,10 @@
 #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);
 
 #define OPT_SHORT 1
 #define OPT_UNSET 2
@@ -230,6 +234,9 @@ static int parse_long_opt(struct parse_opt_ctx_t *p, const char *arg,
                                abbrev_flags = flags;
                                continue;
                        }
+                       /* negation allowed? */
+                       if (options->flags & PARSE_OPT_NONEG)
+                               continue;
                        /* negated and abbreviated very much? */
                        if (!prefixcmp("no-", arg)) {
                                flags |= OPT_UNSET;
@@ -511,7 +518,7 @@ static int usage_with_options_internal(const char * const *usagestr,
                        continue;
 
                pos = fprintf(stderr, "    ");
-               if (opts->short_name) {
+               if (opts->short_name && !(opts->flags & PARSE_OPT_NEGHELP)) {
                        if (opts->flags & PARSE_OPT_NODASH)
                                pos += fprintf(stderr, "%c", opts->short_name);
                        else
@@ -520,7 +527,9 @@ static int usage_with_options_internal(const char * const *usagestr,
                if (opts->long_name && opts->short_name)
                        pos += fprintf(stderr, ", ");
                if (opts->long_name)
-                       pos += fprintf(stderr, "--%s", opts->long_name);
+                       pos += fprintf(stderr, "--%s%s",
+                               (opts->flags & PARSE_OPT_NEGHELP) ?  "no-" : "",
+                               opts->long_name);
                if (opts->type == OPTION_NUMBER)
                        pos += fprintf(stderr, "-NUM");
 
@@ -547,8 +556,16 @@ void usage_with_options(const char * const *usagestr,
        exit(129);
 }
 
-int parse_options_usage(const char * const *usagestr,
-                       const struct option *opts)
+void usage_msg_opt(const char *msg,
+                  const char * const *usagestr,
+                  const struct option *options)
+{
+       fprintf(stderr, "%s\n\n", msg);
+       usage_with_options(usagestr, options);
+}
+
+static int parse_options_usage(const char * const *usagestr,
+                              const struct option *opts)
 {
        return usage_with_options_internal(usagestr, opts, 0);
 }
@@ -583,6 +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)
 {
@@ -620,3 +652,10 @@ int parse_opt_with_commit(const struct option *opt, const char *arg, int unset)
        commit_list_insert(commit, opt->value);
        return 0;
 }
+
+int parse_opt_tertiary(const struct option *opt, const char *arg, int unset)
+{
+       int *target = opt->value;
+       *target = unset ? 2 : 1;
+       return 0;
+}