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parse-options: Allow to hide options from the default usage.

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This is useful for backward-compatibility aliases, or very advanced command
line switches introduced for internal git usages and have no real use for a
user.

parse-options still shows them if the user asks for --help-all.

Signed-off-by: Pierre Habouzit <madcoder@debian.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Pierre Habouzit
2007-11-19 10:21:44 +01:00
committed by Junio C Hamano
parent 31e7bded60
commit dd3bf0f4a5
2 changed files with 18 additions and 2 deletions
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17
parse-options.c
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@ -216,6 +216,9 @@ is_abbreviated:
return error("unknown option `%s'", arg);
}
static NORETURN void usage_with_options_internal(const char * const *,
const struct option *, int);
int parse_options(int argc, const char **argv, const struct option *options,
const char * const usagestr[], int flags)
{
@ -249,6 +252,8 @@ int parse_options(int argc, const char **argv, const struct option *options,
break;
}
if (!strcmp(arg + 2, "help-all"))
usage_with_options_internal(usagestr, options, 1);
if (!strcmp(arg + 2, "help"))
usage_with_options(usagestr, options);
if (parse_long_opt(&args, arg + 2, options))
@ -263,8 +268,8 @@ int parse_options(int argc, const char **argv, const struct option *options,
#define USAGE_OPTS_WIDTH 24
#define USAGE_GAP 2
void usage_with_options(const char * const *usagestr,
const struct option *opts)
void usage_with_options_internal(const char * const *usagestr,
const struct option *opts, int full)
{
fprintf(stderr, "usage: %s\n", *usagestr++);
while (*usagestr && **usagestr)
@ -285,6 +290,8 @@ void usage_with_options(const char * const *usagestr,
fprintf(stderr, "%s\n", opts->help);
continue;
}
if (!full && (opts->flags & PARSE_OPT_HIDDEN))
continue;
pos = fprintf(stderr, " ");
if (opts->short_name)
@ -335,6 +342,12 @@ void usage_with_options(const char * const *usagestr,
exit(129);
}
void usage_with_options(const char * const *usagestr,
const struct option *opts)
{
usage_with_options_internal(usagestr, opts, 0);
}
/*----- some often used options -----*/
#include "cache.h"