index-pack: smarter memory usage when resolving deltas

diff --git a/parse-options.h b/parse-options.h
index aba30671dccd9e90686363a766df3eb25d4a8e20..0c996916b6044989f0e2945881c7c12f7292d5c1 100644 (file)
--- a/parse-options.h
+++ b/parse-options.h
@@ -36,6 +36,7 @@ enum parse_opt_option_flags {
        PARSE_OPT_LASTARG_DEFAULT = 16,
        PARSE_OPT_NODASH = 32,
        PARSE_OPT_LITERAL_ARGHELP = 64,
+       PARSE_OPT_NEGHELP = 128,
 };
 
 struct option;
@@ -80,6 +81,9 @@ typedef int parse_opt_cb(const struct option *, const char *arg, int unset);
  *   PARSE_OPT_LITERAL_ARGHELP: says that argh shouldn't be enclosed in brackets
  *                             (i.e. '<argh>') in the help message.
  *                             Useful for options with multiple parameters.
+ *   PARSE_OPT_NEGHELP: says that the long option should always be shown with
+ *                             the --no prefix in the usage message. Sometimes
+ *                             useful for users of OPTION_NEGBIT.
  *
  * `callback`::
  *   pointer to the callback to use for OPTION_CALLBACK.
@@ -119,6 +123,8 @@ struct option {
                                      (h), PARSE_OPT_NOARG, NULL, (p) }
 #define OPT_INTEGER(s, l, v, h)     { OPTION_INTEGER, (s), (l), (v), "n", (h) }
 #define OPT_STRING(s, l, v, a, h)   { OPTION_STRING,  (s), (l), (v), (a), (h) }
+#define OPT_UYN(s, l, v, h)         { OPTION_CALLBACK, (s), (l), (v), NULL, \
+                                     (h), PARSE_OPT_NOARG, &parse_opt_tertiary }
 #define OPT_DATE(s, l, v, h) \
        { OPTION_CALLBACK, (s), (l), (v), "time",(h), 0, \
          parse_opt_approxidate_cb }
@@ -141,6 +147,10 @@ extern int parse_options(int argc, const char **argv, const char *prefix,
 extern NORETURN void usage_with_options(const char * const *usagestr,
                                         const struct option *options);
 
+extern NORETURN void usage_msg_opt(const char *msg,
+                                  const char * const *usagestr,
+                                  const struct option *options);
+
 /*----- incremental advanced APIs -----*/
 
 enum {
@@ -163,9 +173,6 @@ struct parse_opt_ctx_t {
        const char *prefix;
 };
 
-extern int parse_options_usage(const char * const *usagestr,
-                              const struct option *opts);
-
 extern void parse_options_start(struct parse_opt_ctx_t *ctx,
                                int argc, const char **argv, const char *prefix,
                                int flags);
@@ -182,6 +189,7 @@ extern int parse_opt_abbrev_cb(const struct option *, const char *, int);
 extern int parse_opt_approxidate_cb(const struct option *, const char *, int);
 extern int parse_opt_verbosity_cb(const struct option *, const char *, int);
 extern int parse_opt_with_commit(const struct option *, const char *, int);
+extern int parse_opt_tertiary(const struct option *, const char *, int);
 
 #define OPT__VERBOSE(var)  OPT_BOOLEAN('v', "verbose", (var), "be verbose")
 #define OPT__QUIET(var)    OPT_BOOLEAN('q', "quiet",   (var), "be quiet")