menu "Archival Utilities"
+config BUSYBOX_CONFIG_FEATURE_SEAMLESS_XZ
+ bool "Make tar, rpm, modprobe etc understand .xz data"
+ default n
+ help
+ Make tar, rpm, modprobe etc understand .xz data.
+
+config BUSYBOX_CONFIG_FEATURE_SEAMLESS_LZMA
+ bool "Make tar, rpm, modprobe etc understand .lzma data"
+ default n
+ help
+ Make tar, rpm, modprobe etc understand .lzma data.
+
+config BUSYBOX_CONFIG_FEATURE_SEAMLESS_BZ2
+ bool "Make tar, rpm, modprobe etc understand .bz2 data"
+ default n
+ help
+ Make tar, rpm, modprobe etc understand .bz2 data.
+
+config BUSYBOX_CONFIG_FEATURE_SEAMLESS_GZ
+ bool "Make tar, rpm, modprobe etc understand .gz data"
+ default y
+ help
+ Make tar, rpm, modprobe etc understand .gz data.
+
+config BUSYBOX_CONFIG_FEATURE_SEAMLESS_Z
+ bool "Make tar and gunzip understand .Z data"
+ default n
+ help
+ Make tar and gunzip understand .Z data.
+
config BUSYBOX_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
+ 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,
probably say N here.
config BUSYBOX_CONFIG_FEATURE_AR_LONG_FILENAMES
- bool " Enable support for long filenames (not need for debs)"
+ bool "Support for long filenames (not needed for debs)"
default n
depends on BUSYBOX_CONFIG_AR
help
- By default the ar format can only store the first 15 characters of the
- filename, this option removes that limitation.
+ 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.
+config BUSYBOX_CONFIG_FEATURE_AR_CREATE
+ bool "Support archive creation"
+ default n
+ depends on BUSYBOX_CONFIG_AR
+ help
+ This enables archive creation (-c and -r) with busybox ar.
+
config BUSYBOX_CONFIG_BUNZIP2
bool "bunzip2"
default y
help
bunzip2 is a compression utility using the Burrows-Wheeler block
- sorting text compression algorithm, and Huffman coding. Compression
+ 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.
-
- The BusyBox bunzip2 applet is limited to de-compression only.
- On an x86 system, this applet adds about 11K.
-
+
Unless you have a specific application which requires bunzip2, you
should probably say N here.
+config BUSYBOX_CONFIG_BZIP2
+ bool "bzip2"
+ default n
+ help
+ bzip2 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.
+
+ Unless you have a specific application which requires bzip2, you
+ should probably say N here.
+
config BUSYBOX_CONFIG_CPIO
bool "cpio"
default n
help
- cpio is an archival utility program used to create, modify, and extract
- contents from archives.
+ 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.
- Unless you have a specific application which requires cpio, you should
- probably say N here.
+ Unless you have a specific application which requires cpio, you
+ should probably say N here.
+
+config BUSYBOX_CONFIG_FEATURE_CPIO_O
+ bool "Support for archive creation"
+ default n
+ depends on BUSYBOX_CONFIG_CPIO
+ help
+ This implementation of cpio can create cpio archives in the "newc"
+ format only.
+
+config BUSYBOX_CONFIG_FEATURE_CPIO_P
+ bool "Support for passthrough mode"
+ default n
+ depends on BUSYBOX_CONFIG_FEATURE_CPIO_O
+ help
+ Passthrough mode. Rarely used.
config BUSYBOX_CONFIG_DPKG
bool "dpkg"
default n
+ select BUSYBOX_CONFIG_FEATURE_SEAMLESS_GZ
help
- dpkg is a medium-level tool to install, build, remove and manage Debian packages.
-
- This implementation of dpkg has a number of limitations, you should use the
- official dpkg if possible.
+ dpkg is a medium-level tool to install, build, remove and manage
+ Debian packages.
+
+ This implementation of dpkg has a number of limitations,
+ you should use the official dpkg if possible.
config BUSYBOX_CONFIG_DPKG_DEB
bool "dpkg_deb"
default n
+ select BUSYBOX_CONFIG_FEATURE_SEAMLESS_GZ
help
- dpkg-deb packs, unpacks and provides information about Debian archives.
-
+ dpkg-deb unpacks and provides information about Debian archives.
+
This implementation of dpkg-deb cannot pack archives.
-
- Unless you have a specific application which requires dpkg-deb, you should
- probably say N here.
+
+ Unless you have a specific application which requires dpkg-deb,
+ say N here.
config BUSYBOX_CONFIG_FEATURE_DPKG_DEB_EXTRACT_ONLY
- bool " extract only (-x)"
+ bool "Extract only (-x)"
default n
depends on BUSYBOX_CONFIG_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
- needed, they are linked to internally.
+ 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 needed, they are linked
+ to internally.
config BUSYBOX_CONFIG_GUNZIP
bool "gunzip"
You can use the `-t' option to test the integrity of
an archive, without decompressing it.
-config BUSYBOX_CONFIG_FEATURE_GUNZIP_UNCOMPRESS
- bool " Uncompress support"
- default y
- depends on BUSYBOX_CONFIG_GUNZIP
- help
- Enable if you want gunzip to have the ability to decompress
- archives created by the program compress (not much
- used anymore).
-
config BUSYBOX_CONFIG_GZIP
bool "gzip"
default y
gzip is used to compress files.
It's probably the most widely used UNIX compression program.
+config BUSYBOX_CONFIG_FEATURE_GZIP_LONG_OPTIONS
+ bool "Enable long options"
+ default n
+ depends on BUSYBOX_CONFIG_GZIP && BUSYBOX_CONFIG_LONG_OPTS
+ help
+ Enable use of long options, increases size by about 106 Bytes
+
+config BUSYBOX_CONFIG_LZOP
+ bool "lzop"
+ default n
+ help
+ Lzop compression/decompresion.
+
+config BUSYBOX_CONFIG_LZOP_COMPR_HIGH
+ bool "lzop complession levels 7,8,9 (not very useful)"
+ default n
+ depends on BUSYBOX_CONFIG_LZOP
+ help
+ High levels (7,8,9) of lzop compression. These levels
+ are actually slower than gzip at equivalent compression ratios
+ and take up 3.2K of code.
+
config BUSYBOX_CONFIG_RPM2CPIO
bool "rpm2cpio"
default n
bool "rpm"
default n
help
- Mini RPM applet - queries and extracts
+ Mini RPM applet - queries and extracts RPM packages.
config BUSYBOX_CONFIG_TAR
bool "tar"
UNIX archive program.
config BUSYBOX_CONFIG_FEATURE_TAR_CREATE
- bool " Enable archive creation"
+ bool "Enable archive creation"
default y
depends on BUSYBOX_CONFIG_TAR
help
If you enable this option you'll be able to create
tar archives using the `-c' option.
-config BUSYBOX_CONFIG_FEATURE_TAR_BZIP2
- bool " Enable -j option to handle .tar.bz2 files"
- default y
- depends on BUSYBOX_CONFIG_TAR
+config BUSYBOX_CONFIG_FEATURE_TAR_AUTODETECT
+ bool "Autodetect compressed tarballs"
+ default n
+ depends on BUSYBOX_CONFIG_TAR && (BUSYBOX_CONFIG_FEATURE_SEAMLESS_Z || BUSYBOX_CONFIG_FEATURE_SEAMLESS_GZ || BUSYBOX_CONFIG_FEATURE_SEAMLESS_BZ2 || BUSYBOX_CONFIG_FEATURE_SEAMLESS_LZMA || BUSYBOX_CONFIG_FEATURE_SEAMLESS_XZ)
help
- If you enable this option you'll be able to extract
- archives compressed with bzip2.
+ With this option tar can automatically detect compressed
+ tarballs. Currently it works only on files (not pipes etc).
config BUSYBOX_CONFIG_FEATURE_TAR_FROM
- bool " Enable -X (exclude from) and -T (include from) options)"
+ bool "Enable -X (exclude from) and -T (include from) options)"
default y
depends on BUSYBOX_CONFIG_TAR
help
If you enable this option you'll be able to specify
a list of files to include or exclude from an archive.
-config BUSYBOX_CONFIG_FEATURE_TAR_GZIP
- bool " Enable -z option"
- default y
- depends on BUSYBOX_CONFIG_TAR
- help
- If you enable this option tar will be able to call gzip,
- when creating or extracting tar gziped archives.
-
-config BUSYBOX_CONFIG_FEATURE_TAR_COMPRESS
- bool " Enable -Z option"
+config BUSYBOX_CONFIG_FEATURE_TAR_OLDGNU_COMPATIBILITY
+ bool "Support for old tar header format"
default n
- depends on BUSYBOX_CONFIG_TAR
- help
- If you enable this option tar will be able to call uncompress,
- when extracting .tar.Z archives.
-
-config BUSYBOX_CONFIG_FEATURE_TAR_OLDGNU_COMPATABILITY
- bool " Enable support for old tar header format"
- default n
- depends on BUSYBOX_CONFIG_TAR
+ depends on BUSYBOX_CONFIG_TAR || BUSYBOX_CONFIG_DPKG
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 BUSYBOX_CONFIG_FEATURE_TAR_OLDSUN_COMPATIBILITY
+ bool "Enable untarring of tarballs with checksums produced by buggy Sun tar"
+ default n
+ depends on BUSYBOX_CONFIG_TAR || BUSYBOX_CONFIG_DPKG
+ 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.
+
config BUSYBOX_CONFIG_FEATURE_TAR_GNU_EXTENSIONS
- bool " Enable support for some GNU tar extensions"
+ bool "Support for GNU tar extensions (long filenames)"
default y
- depends on BUSYBOX_CONFIG_TAR
+ depends on BUSYBOX_CONFIG_TAR || BUSYBOX_CONFIG_DPKG
help
With this option busybox supports GNU long filenames and
linknames.
config BUSYBOX_CONFIG_FEATURE_TAR_LONG_OPTIONS
- bool " Enable long options"
+ bool "Enable long options"
+ default n
+ depends on BUSYBOX_CONFIG_TAR && BUSYBOX_CONFIG_LONG_OPTS
+ help
+ Enable use of long options, increases size by about 400 Bytes
+
+config BUSYBOX_CONFIG_FEATURE_TAR_TO_COMMAND
+ bool "Support for writing to an external program"
+ default n
+ depends on BUSYBOX_CONFIG_TAR && BUSYBOX_CONFIG_FEATURE_TAR_LONG_OPTIONS
+ help
+ If you enable this option you'll be able to instruct tar to send
+ the contents of each extracted file to the standard input of an
+ external program.
+
+config BUSYBOX_CONFIG_FEATURE_TAR_UNAME_GNAME
+ bool "Enable use of user and group names"
+ default n
+ depends on BUSYBOX_CONFIG_TAR
+ help
+ Enables use of user and group names in tar. This affects contents
+ listings (-t) and preserving permissions when unpacking (-p).
+ +200 bytes.
+
+config BUSYBOX_CONFIG_FEATURE_TAR_NOPRESERVE_TIME
+ bool "Enable -m (do not preserve time) option"
default n
depends on BUSYBOX_CONFIG_TAR
help
- Enable use of long options, increases size by about 400 Bytes
+ With this option busybox supports GNU tar -m
+ (do not preserve time) option.
+
+config BUSYBOX_CONFIG_FEATURE_TAR_SELINUX
+ bool "Support for extracting SELinux labels"
+ default n
+ depends on BUSYBOX_CONFIG_TAR && BUSYBOX_CONFIG_SELINUX
+ help
+ With this option busybox supports restoring SELinux labels
+ when extracting files from tar archives.
config BUSYBOX_CONFIG_UNCOMPRESS
bool "uncompress"
uncompress is used to decompress archives created by compress.
Not much used anymore, replaced by gzip/gunzip.
-config BUSYBOX_CONFIG_UNZIP
- bool "unzip"
+config BUSYBOX_CONFIG_UNLZMA
+ bool "unlzma"
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.
+ 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.
-comment "Common options for cpio and tar"
- depends on BUSYBOX_CONFIG_CPIO || BUSYBOX_CONFIG_TAR
+ The BusyBox unlzma applet is limited to de-compression only.
+ On an x86 system, this applet adds about 4K.
-config BUSYBOX_CONFIG_FEATURE_UNARCHIVE_TAPE
- bool " Enable tape drive support"
+ Unless you have a specific application which requires unlzma, you
+ should probably say N here.
+
+config BUSYBOX_CONFIG_FEATURE_LZMA_FAST
+ bool "Optimize unlzma for speed"
default n
- depends on BUSYBOX_CONFIG_CPIO || BUSYBOX_CONFIG_TAR
+ depends on BUSYBOX_CONFIG_UNLZMA
help
- I don't think this is needed anymore.
+ This option reduces decompression time by about 25% at the cost of
+ a 1K bigger binary.
-comment "Common options for dpkg and dpkg_deb"
- depends on BUSYBOX_CONFIG_DPKG || BUSYBOX_CONFIG_DPKG_DEB
+config BUSYBOX_CONFIG_LZMA
+ bool "Provide lzma alias which supports only unpacking"
+ default n
+ depends on BUSYBOX_CONFIG_UNLZMA
+ help
+ Enable this option if you want commands like "lzma -d" to work.
+ IOW: you'll get lzma applet, but it will always require -d option.
+
+config BUSYBOX_CONFIG_UNXZ
+ bool "unxz"
+ default n
+ help
+ unxz is a unlzma successor.
-config BUSYBOX_CONFIG_FEATURE_DEB_TAR_GZ
- bool " gzip debian packages (normal)"
- default n if BUSYBOX_CONFIG_DPKG || BUSYBOX_CONFIG_DPKG_DEB
- depends on BUSYBOX_CONFIG_DPKG || BUSYBOX_CONFIG_DPKG_DEB
+config BUSYBOX_CONFIG_XZ
+ bool "Provide xz alias which supports only unpacking"
+ default n
+ depends on BUSYBOX_CONFIG_UNXZ
help
- This is the default compression method inside the debian ar file.
-
- If you want compatibility with standard .deb's you should say yes here.
+ Enable this option if you want commands like "xz -d" to work.
+ IOW: you'll get xz applet, but it will always require -d option.
-config BUSYBOX_CONFIG_FEATURE_DEB_TAR_BZ2
- bool " bzip2 debian packages"
+config BUSYBOX_CONFIG_UNZIP
+ bool "unzip"
default n
- depends on BUSYBOX_CONFIG_DPKG || BUSYBOX_CONFIG_DPKG_DEB
help
- This allows dpkg and dpkg-deb to extract deb's that are compressed internally
- with bzip2 instead of gzip.
-
- You only want this if you are creating your own custom debian packages that
- use an internal control.tar.bz2 or data.tar.bz2.
+ 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.
endmenu
projects / openwrt.git / blobdiff