notes: implement helpers needed for note copying during rewrite

diff --git a/parse-options.c b/parse-options.c
index 3b71fbb5410332a3f11ca0e450a614b3345a687b..d218122af5c2c0cddd857fce0ae5064bf32f6387 100644 (file)
--- a/parse-options.c
+++ b/parse-options.c
@@ -3,6 +3,9 @@
 #include "cache.h"
 #include "commit.h"
 
+static int parse_options_usage(const char * const *usagestr,
+                              const struct option *opts);
+
 #define OPT_SHORT 1
 #define OPT_UNSET 2
 
@@ -230,6 +233,9 @@ 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;
@@ -549,8 +555,16 @@ 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);
 }
@@ -622,3 +636,10 @@ 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;
+}