hush/archival/Config.in

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#
# For a description of the syntax of this configuration file,
# see scripts/kbuild/config-language.txt.
#
menu "Archival Utilities"
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config AR
bool "ar"
default n
help
ar is an archival utility program used to create, modify, and
extract contents from archives. An archive is a single file holding
a collection of other files in a structure that makes it possible to
retrieve the original individual files (called archive members).
The original files' contents, mode (permissions), timestamp, owner,
and group are preserved in the archive, and can be restored on
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extraction.
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The stored filename is limited to 15 characters. (for more information
see long filename support).
ar has 60 bytes of overheads for every stored file.
This implementation of ar can extract archives, it cannot create or
modify them.
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On an x86 system, the ar applet adds about 1K.
Unless you have a specific application which requires ar, you should
probably say N here.
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config FEATURE_AR_LONG_FILENAMES
bool "Enable support for long filenames (not need for debs)"
default n
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depends on AR
help
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By default the ar format can only store the first 15 characters of the
filename, this option removes that limitation.
It supports the GNU ar long filename method which moves multiple long
filenames into a the data section of a new ar entry.
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config BUNZIP2
bool "bunzip2"
default n
help
bunzip2 is a compression utility using the Burrows-Wheeler block
sorting text compression algorithm, and Huffman coding. Compression
is generally considerably better than that achieved by more
conventional LZ77/LZ78-based compressors, and approaches the
performance of the PPM family of statistical compressors.
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The BusyBox bunzip2 applet is limited to de-compression only.
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On an x86 system, this applet adds about 11K.
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Unless you have a specific application which requires bunzip2, you
should probably say N here.
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config CPIO
bool "cpio"
default n
help
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cpio is an archival utility program used to create, modify, and extract
contents from archives.
cpio has 110 bytes of overheads for every stored file.
This implementation of cpio can extract cpio archives created in the
"newc" or "crc" format, it cannot create or modify them.
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Unless you have a specific application which requires cpio, you should
probably say N here.
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config DPKG
bool "dpkg"
default n
help
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dpkg is a medium-level tool to install, build, remove and manage Debian packages.
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This implementation of dpkg has a number of limitations, you should use the
official dpkg if possible.
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config DPKG_DEB
bool "dpkg_deb"
default n
help
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dpkg-deb packs, unpacks and provides information about Debian archives.
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This implementation of dpkg-deb cannot pack archives.
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Unless you have a specific application which requires dpkg-deb, you should
probably say N here.
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config FEATURE_DPKG_DEB_EXTRACT_ONLY
bool "extract only (-x)"
default n
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depends on DPKG_DEB
help
This reduces dpkg-deb to the equivalent of "ar -p <deb> data.tar.gz | tar -zx".
However it saves space as none of the extra dpkg-deb, ar or tar options are
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needed, they are linked to internally.
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config GUNZIP
bool "gunzip"
default n
help
gunzip is used to decompress archives created by gzip.
You can use the `-t' option to test the integrity of
an archive, without decompressing it.
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config FEATURE_GUNZIP_UNCOMPRESS
bool "Uncompress support"
default n
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depends on GUNZIP
help
Enable if you want gunzip to have the ability to decompress
archives created by the program compress (not much
used anymore).
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config GZIP
bool "gzip"
default n
help
gzip is used to compress files.
It's probably the most widely used UNIX compression program.
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config RPM2CPIO
bool "rpm2cpio"
default n
help
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Converts an RPM file into a CPIO archive.
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config RPM
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bool "rpm"
default n
help
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Mini RPM applet - queries and extracts RPM packages.
config FEATURE_RPM_BZ2
bool "Enable handling of rpms with bzip2-compressed data inside"
default n
depends on RPM
help
Enable handling of rpms with bzip2-compressed data inside.
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config TAR
bool "tar"
default n
help
tar is an archiving program. It's commonly used with gzip to
create compressed archives. It's probably the most widely used
UNIX archive program.
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config FEATURE_TAR_CREATE
bool "Enable archive creation"
default y
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depends on TAR
help
If you enable this option you'll be able to create
tar archives using the `-c' option.
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config FEATURE_TAR_BZIP2
bool "Enable -j option to handle .tar.bz2 files"
default n
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depends on TAR
help
If you enable this option you'll be able to extract
archives compressed with bzip2.
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config FEATURE_TAR_LZMA
bool "Enable -a option to handle .tar.lzma files"
default n
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depends on TAR
help
If you enable this option you'll be able to extract
archives compressed with lzma.
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config FEATURE_TAR_FROM
bool "Enable -X (exclude from) and -T (include from) options)"
default n
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depends on TAR
help
If you enable this option you'll be able to specify
a list of files to include or exclude from an archive.
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config FEATURE_TAR_GZIP
bool "Enable -z option"
default y
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depends on TAR
help
If you enable this option tar will be able to call gzip,
when creating or extracting tar gziped archives.
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config FEATURE_TAR_COMPRESS
bool "Enable -Z option"
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default n
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depends on TAR
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help
If you enable this option tar will be able to call uncompress,
when extracting .tar.Z archives.
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config FEATURE_TAR_OLDGNU_COMPATIBILITY
bool "Enable support for old tar header format"
default N
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depends on TAR
help
This option is required to unpack archives created in
the old GNU format; help to kill this old format by
repacking your ancient archives with the new format.
config FEATURE_TAR_OLDSUN_COMPATIBILITY
bool "Enable untarring of tarballs with checksums produced by buggy Sun tar"
default N
depends on TAR
help
This option is required to unpack archives created by some old
version of Sun's tar (it was calculating checksum using signed arithmetic).
It is said to be fixed in newer Sun tar, but "old" tarballs still exist.
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config FEATURE_TAR_GNU_EXTENSIONS
bool "Enable support for some GNU tar extensions"
default y
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depends on TAR
help
With this option busybox supports GNU long filenames and
linknames.
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config FEATURE_TAR_LONG_OPTIONS
bool "Enable long options"
default n
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depends on TAR && GETOPT_LONG
help
Enable use of long options, increases size by about 400 Bytes
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config UNCOMPRESS
bool "uncompress"
default n
help
uncompress is used to decompress archives created by compress.
Not much used anymore, replaced by gzip/gunzip.
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config UNLZMA
bool "unlzma"
default n
help
unlzma is a compression utility using the Lempel-Ziv-Markov chain
compression algorithm, and range coding. Compression
is generally considerably better than that achieved by the bzip2
compressors.
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The BusyBox unlzma applet is limited to de-compression only.
On an x86 system, this applet adds about 4K.
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Unless you have a specific application which requires unlzma, you
should probably say N here.
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config FEATURE_LZMA_FAST
bool "Optimze unlzma for speed"
default n
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depends on UNLZMA
help
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This option reduces decompression time by about 33% at the cost of
a 2K bigger binary.
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config UNZIP
bool "unzip"
default n
help
unzip will list or extract files from a ZIP archive,
commonly found on DOS/WIN systems. The default behavior
(with no options) is to extract the archive into the
current directory. Use the `-d' option to extract to a
directory of your choice.
comment "Common options for cpio and tar"
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depends on CPIO || TAR
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config FEATURE_UNARCHIVE_TAPE
bool "Enable tape drive support"
default n
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depends on CPIO || TAR
help
I don't think this is needed anymore.
comment "Common options for dpkg and dpkg_deb"
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depends on DPKG || DPKG_DEB
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config FEATURE_DEB_TAR_GZ
bool "gzip debian packages (normal)"
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default y if DPKG || DPKG_DEB
depends on DPKG || DPKG_DEB
help
This is the default compression method inside the debian ar file.
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If you want compatibility with standard .deb's you should say yes here.
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config FEATURE_DEB_TAR_BZ2
bool "bzip2 debian packages"
default n
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depends on DPKG || DPKG_DEB
help
This allows dpkg and dpkg-deb to extract deb's that are compressed internally
with bzip2 instead of gzip.
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You only want this if you are creating your own custom debian packages that
use an internal control.tar.bz2 or data.tar.bz2.
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config FEATURE_DEB_TAR_LZMA
bool "lzma debian packages"
default n
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depends on DPKG || DPKG_DEB
help
This allows dpkg and dpkg-deb to extract deb's that are compressed
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internally with lzma instead of gzip.
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You only want this if you are creating your own custom debian
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packages that use an internal control.tar.lzma or data.tar.lzma.
endmenu