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gpg: New option --no-compress as alias for -z0.

This commit is contained in:
Werner Koch 2023-06-15 13:58:35 +02:00
parent e9c337c0b9
commit 2178f35dff
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2 changed files with 19 additions and 7 deletions
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19
doc/gpg.texi
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@ -1675,24 +1675,29 @@ prevent the creation of a @file{~/.gnupg} homedir.
@item -z @var{n}
@itemx --compress-level @var{n}
@itemx --bzip2-compress-level @var{n}
@itemx --no-compress
@opindex compress-level
@opindex bzip2-compress-level
@opindex no-compress
Set compression level to @var{n} for the ZIP and ZLIB compression
algorithms. The default is to use the default compression level of zlib
(normally 6). @option{--bzip2-compress-level} sets the compression level
for the BZIP2 compression algorithm (defaulting to 6 as well). This is a
different option from @option{--compress-level} since BZIP2 uses a
significant amount of memory for each additional compression level.
@option{-z} sets both. A value of 0 for @var{n} disables compression.
A value of -1 forces compression using the default level.
Option @option{-z} sets both. A value of 0 for @var{n} disables
compression. A value of -1 forces compression using the default
level. Option @option{--no-compress} is identical to @option{-z0}.
Except for the @option{--store} command compression is always used
unless @command{gpg} detects that the input is already compressed. To
inhibit the use of compression use @option{-z0}; to force compression
use @option{-z-1} or option @option{z} with another compression level
than the default as indicated by -1. Note that this overriding of the
default deection works only with @option{z} and not with the long
variant of this option.
inhibit the use of compression use @option{-z0} or
@option{--no-compress}; to force compression use @option{-z-1} or
option @option{z} with another compression level than the default as
indicated by -1. Note that this overriding of the default deection
works only with @option{z} and not with the long variant of this
option.
@item --bzip2-decompress-lowmem

7
g10/gpg.c
View File

@ -259,6 +259,7 @@ enum cmd_and_opt_values
oCipherAlgo,
oDigestAlgo,
oCertDigestAlgo,
oNoCompress,
oCompressAlgo,
oCompressLevel,
oBZ2CompressLevel,
@ -697,6 +698,7 @@ static gpgrt_opt_t opts[] = {
ARGPARSE_s_n (oLockOnce, "lock-once", "@"),
ARGPARSE_s_n (oLockMultiple, "lock-multiple", "@"),
ARGPARSE_s_n (oLockNever, "lock-never", "@"),
ARGPARSE_s_n (oNoCompress, "no-compress", "@"),
ARGPARSE_s_s (oCompressAlgo,"compress-algo", "@"),
ARGPARSE_s_s (oCompressAlgo, "compression-algo", "@"), /* Alias */
ARGPARSE_s_n (oBZ2DecompressLowmem, "bzip2-decompress-lowmem", "@"),
@ -3238,6 +3240,11 @@ main (int argc, char **argv)
opt.compress_level = opt.bz2_compress_level = pargs.r.ret_int;
opt.explicit_compress_option = 1;
break;
case oNoCompress:
/* --no-compress is the same as -z0 */
opt.compress_level = opt.bz2_compress_level = 0;
opt.explicit_compress_option = 1;
break;
case oCompressLevel: opt.compress_level = pargs.r.ret_int; break;
case oBZ2CompressLevel: opt.bz2_compress_level = pargs.r.ret_int; break;
case oBZ2DecompressLowmem: opt.bz2_decompress_lowmem=1; break;