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parse-options.c: fix documentation syntax of optional arguments

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When an argument for an option is optional, short options don't need a
space between the option and the argument, and long options need a "=".
Otherwise, arguments are misinterpreted.

Signed-off-by: Michele Ballabio <barra_cuda@katamail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Michele Ballabio 2008-06-22 16:39:04 +02:00 committed by Junio C Hamano
parent 82936f295f
commit 6422f63321
2 changed files with 13 additions and 4 deletions
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15
parse-options.c
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@ -344,7 +344,10 @@ void usage_with_options_internal(const char * const *usagestr,
break;
case OPTION_INTEGER:
if (opts->flags & PARSE_OPT_OPTARG)
pos += fprintf(stderr, "[<n>]");
if (opts->long_name)
pos += fprintf(stderr, "[=<n>]");
else
pos += fprintf(stderr, "[<n>]");
else
pos += fprintf(stderr, " <n>");
break;
@ -355,12 +358,18 @@ void usage_with_options_internal(const char * const *usagestr,
case OPTION_STRING:
if (opts->argh) {
if (opts->flags & PARSE_OPT_OPTARG)
pos += fprintf(stderr, " [<%s>]", opts->argh);
if (opts->long_name)
pos += fprintf(stderr, "[=<%s>]", opts->argh);
else
pos += fprintf(stderr, "[<%s>]", opts->argh);
else
pos += fprintf(stderr, " <%s>", opts->argh);
} else {
if (opts->flags & PARSE_OPT_OPTARG)
pos += fprintf(stderr, " [...]");
if (opts->long_name)
pos += fprintf(stderr, "[=...]");
else
pos += fprintf(stderr, "[...]");
else
pos += fprintf(stderr, " ...");
}

2
t/t1502-rev-parse-parseopt.sh
View file

@ -13,7 +13,7 @@ usage: some-command [options] <args>...
--bar ... some cool option --bar with an argument
An option group Header
-C [...] option C with an optional argument
-C[...] option C with an optional argument
Extras
--extra1 line above used to cause a segfault but no longer does