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wget: there is no -s option in GNU Wget 1.18, we should be compatible

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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko 2016-10-04 04:23:09 +02:00
parent a85740c8af
commit 2972e2c4ac
1 changed files with 34 additions and 25 deletions
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59
networking/wget.c
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@ -100,7 +100,7 @@
//usage:#define wget_trivial_usage
//usage: IF_FEATURE_WGET_LONG_OPTIONS(
//usage: "[-c|--continue] [-s|--spider] [-q|--quiet] [-O|--output-document FILE]\n"
//usage: "[-c|--continue] [--spider] [-q|--quiet] [-O|--output-document FILE]\n"
//usage: " [--header 'header: value'] [-Y|--proxy on/off] [-P DIR]\n"
/* Since we ignore these opts, we don't show them in --help */
/* //usage: " [--no-check-certificate] [--no-cache] [--passive-ftp] [-t TRIES]" */
@ -108,21 +108,23 @@
//usage: " [-U|--user-agent AGENT]" IF_FEATURE_WGET_TIMEOUT(" [-T SEC]") " URL..."
//usage: )
//usage: IF_NOT_FEATURE_WGET_LONG_OPTIONS(
//usage: "[-csq] [-O FILE] [-Y on/off] [-P DIR] [-U AGENT]"
//usage: "[-cq] [-O FILE] [-Y on/off] [-P DIR] [-U AGENT]"
//usage: IF_FEATURE_WGET_TIMEOUT(" [-T SEC]") " URL..."
//usage: )
//usage:#define wget_full_usage "\n\n"
//usage: "Retrieve files via HTTP or FTP\n"
//usage: "\n -s Spider mode - only check file existence"
//usage: "\n -c Continue retrieval of aborted transfer"
//usage: "\n -q Quiet"
//usage: "\n -P DIR Save to DIR (default .)"
//usage: IF_FEATURE_WGET_TIMEOUT(
//usage: "\n -T SEC Network read timeout is SEC seconds"
//usage: IF_FEATURE_WGET_LONG_OPTIONS(
//usage: "\n --spider Spider mode - only check file existence"
//usage: )
//usage: "\n -O FILE Save to FILE ('-' for stdout)"
//usage: "\n -U STR Use STR for User-Agent header"
//usage: "\n -Y Use proxy ('on' or 'off')"
//usage: "\n -c Continue retrieval of aborted transfer"
//usage: "\n -q Quiet"
//usage: "\n -P DIR Save to DIR (default .)"
//usage: IF_FEATURE_WGET_TIMEOUT(
//usage: "\n -T SEC Network read timeout is SEC seconds"
//usage: )
//usage: "\n -O FILE Save to FILE ('-' for stdout)"
//usage: "\n -U STR Use STR for User-Agent header"
//usage: "\n -Y on/off Use proxy"
#include "libbb.h"
@ -229,17 +231,17 @@ struct globals {
/* Must match option string! */
enum {
WGET_OPT_CONTINUE = (1 << 0),
WGET_OPT_SPIDER = (1 << 1),
WGET_OPT_QUIET = (1 << 2),
WGET_OPT_OUTNAME = (1 << 3),
WGET_OPT_PREFIX = (1 << 4),
WGET_OPT_PROXY = (1 << 5),
WGET_OPT_USER_AGENT = (1 << 6),
WGET_OPT_NETWORK_READ_TIMEOUT = (1 << 7),
WGET_OPT_RETRIES = (1 << 8),
WGET_OPT_PASSIVE = (1 << 9),
WGET_OPT_HEADER = (1 << 10) * ENABLE_FEATURE_WGET_LONG_OPTIONS,
WGET_OPT_POST_DATA = (1 << 11) * ENABLE_FEATURE_WGET_LONG_OPTIONS,
WGET_OPT_QUIET = (1 << 1),
WGET_OPT_OUTNAME = (1 << 2),
WGET_OPT_PREFIX = (1 << 3),
WGET_OPT_PROXY = (1 << 4),
WGET_OPT_USER_AGENT = (1 << 5),
WGET_OPT_NETWORK_READ_TIMEOUT = (1 << 6),
WGET_OPT_RETRIES = (1 << 7),
WGET_OPT_nsomething = (1 << 8),
WGET_OPT_HEADER = (1 << 9) * ENABLE_FEATURE_WGET_LONG_OPTIONS,
WGET_OPT_POST_DATA = (1 << 10) * ENABLE_FEATURE_WGET_LONG_OPTIONS,
WGET_OPT_SPIDER = (1 << 11) * ENABLE_FEATURE_WGET_LONG_OPTIONS,
};
enum {
@ -1286,8 +1288,6 @@ int wget_main(int argc UNUSED_PARAM, char **argv)
static const char wget_longopts[] ALIGN1 =
/* name, has_arg, val */
"continue\0" No_argument "c"
//FIXME: -s isn't --spider, it's --save-headers!
"spider\0" No_argument "s"
"quiet\0" No_argument "q"
"output-document\0" Required_argument "O"
"directory-prefix\0" Required_argument "P"
@ -1299,6 +1299,7 @@ IF_FEATURE_WGET_TIMEOUT(
IF_DESKTOP( "tries\0" Required_argument "t")
"header\0" Required_argument "\xff"
"post-data\0" Required_argument "\xfe"
"spider\0" No_argument "\xfd"
/* Ignored (we always use PASV): */
IF_DESKTOP( "passive-ftp\0" No_argument "\xf0")
/* Ignored (we don't do ssl) */
@ -1330,7 +1331,7 @@ IF_DESKTOP( "no-parent\0" No_argument "\xf0")
#endif
opt_complementary = "-1" /* at least one URL */
IF_FEATURE_WGET_LONG_OPTIONS(":\xff::"); /* --header is a list */
getopt32(argv, "csqO:P:Y:U:T:+"
getopt32(argv, "cqO:P:Y:U:T:+"
/*ignored:*/ "t:"
/*ignored:*/ "n::"
/* wget has exactly four -n<letter> opts, all of which we can ignore:
@ -1349,6 +1350,14 @@ IF_DESKTOP( "no-parent\0" No_argument "\xf0")
IF_FEATURE_WGET_LONG_OPTIONS(, &headers_llist)
IF_FEATURE_WGET_LONG_OPTIONS(, &G.post_data)
);
#if 0 /* option bits debug */
if (option_mask32 & WGET_OPT_RETRIES) bb_error_msg("-t NUM");
if (option_mask32 & WGET_OPT_nsomething) bb_error_msg("-nsomething");
if (option_mask32 & WGET_OPT_HEADER) bb_error_msg("--header");
if (option_mask32 & WGET_OPT_POST_DATA) bb_error_msg("--post-data");
if (option_mask32 & WGET_OPT_SPIDER) bb_error_msg("--spider");
exit(0);
#endif
argv += optind;
#if ENABLE_FEATURE_WGET_LONG_OPTIONS