Merge branch 'jn/parse-options-extra'

* jn/parse-options-extra:
  update-index: migrate to parse-options API
  setup: save prefix (original cwd relative to toplevel) in startup_info
  parse-options: make resuming easier after PARSE_OPT_STOP_AT_NON_OPTION
  parse-options: allow git commands to invent new option types
  parse-options: never suppress arghelp if LITERAL_ARGHELP is set
  parse-options: do not infer PARSE_OPT_NOARG from option type
  parse-options: sanity check PARSE_OPT_NOARG flag
  parse-options: move NODASH sanity checks to parse_options_check
  parse-options: clearer reporting of API misuse
  parse-options: Don't call parse_options_check() so much

1 files changed, 9 insertions, 2 deletions

diff --git a/parse-options.h b/parse-options.h
index ae8647d89..31ec5d247 100644
--- a/parse-options.h
+++ b/parse-options.h
@@ -17,6 +17,7 @@ enum parse_opt_type {
 	OPTION_STRING,
 	OPTION_INTEGER,
 	OPTION_CALLBACK,
+	OPTION_LOWLEVEL_CALLBACK,
 	OPTION_FILENAME
 };
 
@@ -43,6 +44,10 @@ enum parse_opt_option_flags {
 struct option;
 typedef int parse_opt_cb(const struct option *, const char *arg, int unset);
 
+struct parse_opt_ctx_t;
+typedef int parse_opt_ll_cb(struct parse_opt_ctx_t *ctx,
+				const struct option *opt, int unset);
+
 /*
  * `type`::
  *   holds the type of the option, you must have an OPTION_END last in your
@@ -87,7 +92,8 @@ typedef int parse_opt_cb(const struct option *, const char *arg, int unset);
  *				useful for users of OPTION_NEGBIT.
  *
  * `callback`::
- *   pointer to the callback to use for OPTION_CALLBACK.
+ *   pointer to the callback to use for OPTION_CALLBACK or
+ *   OPTION_LOWLEVEL_CALLBACK.
  *
  * `defval`::
  *   default value to fill (*->value) with for PARSE_OPT_OPTARG.
@@ -161,6 +167,7 @@ extern NORETURN void usage_msg_opt(const char *msg,
 enum {
 	PARSE_OPT_HELP = -1,
 	PARSE_OPT_DONE,
+	PARSE_OPT_NON_OPTION,
 	PARSE_OPT_UNKNOWN
 };
 
@@ -180,7 +187,7 @@ struct parse_opt_ctx_t {
 
 extern void parse_options_start(struct parse_opt_ctx_t *ctx,
 				int argc, const char **argv, const char *prefix,
-				int flags);
+				const struct option *options, int flags);
 
 extern int parse_options_step(struct parse_opt_ctx_t *ctx,
 			      const struct option *options,