| 1 | #
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| 2 | # For a description of the syntax of this configuration file,
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| 3 | # see scripts/kbuild/config-language.txt.
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| 4 | #
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| 5 |
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| 6 | menu "Archival Utilities"
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| 7 |
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| 8 | config BUSYBOX_CONFIG_AR
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| 9 | bool "ar"
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| 10 | default n
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| 11 | help
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| 12 | ar is an archival utility program used to create, modify, and
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| 13 | extract contents from archives. An archive is a single file holding
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| 14 | a collection of other files in a structure that makes it possible to
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| 15 | retrieve the original individual files (called archive members).
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| 16 | The original files' contents, mode (permissions), timestamp, owner,
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| 17 | and group are preserved in the archive, and can be restored on
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| 18 | extraction.
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| 19 |
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| 20 | The stored filename is limited to 15 characters. (for more information
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| 21 | see long filename support).
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| 22 | ar has 60 bytes of overheads for every stored file.
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| 23 |
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| 24 | This implementation of ar can extract archives, it cannot create or
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| 25 | modify them.
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| 26 | On an x86 system, the ar applet adds about 1K.
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| 27 |
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| 28 | Unless you have a specific application which requires ar, you should
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| 29 | probably say N here.
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| 30 |
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| 31 | config BUSYBOX_CONFIG_FEATURE_AR_LONG_FILENAMES
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| 32 | bool " Enable support for long filenames (not need for debs)"
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| 33 | default n
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| 34 | depends on BUSYBOX_CONFIG_AR
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| 35 | help
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| 36 | By default the ar format can only store the first 15 characters of the
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| 37 | filename, this option removes that limitation.
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| 38 | It supports the GNU ar long filename method which moves multiple long
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| 39 | filenames into a the data section of a new ar entry.
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| 40 |
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| 41 | config BUSYBOX_CONFIG_BUNZIP2
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| 42 | bool "bunzip2"
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| 43 | default y
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| 44 | help
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| 45 | bunzip2 is a compression utility using the Burrows-Wheeler block
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| 46 | sorting text compression algorithm, and Huffman coding. Compression
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| 47 | is generally considerably better than that achieved by more
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| 48 | conventional LZ77/LZ78-based compressors, and approaches the
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| 49 | performance of the PPM family of statistical compressors.
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| 50 |
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| 51 | The BusyBox bunzip2 applet is limited to de-compression only.
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| 52 | On an x86 system, this applet adds about 11K.
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| 53 |
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| 54 | Unless you have a specific application which requires bunzip2, you
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| 55 | should probably say N here.
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| 56 |
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| 57 | config BUSYBOX_CONFIG_CPIO
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| 58 | bool "cpio"
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| 59 | default n
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| 60 | help
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| 61 | cpio is an archival utility program used to create, modify, and extract
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| 62 | contents from archives.
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| 63 | cpio has 110 bytes of overheads for every stored file.
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| 64 |
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| 65 | This implementation of cpio can extract cpio archives created in the
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| 66 | "newc" or "crc" format, it cannot create or modify them.
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| 67 |
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| 68 | Unless you have a specific application which requires cpio, you should
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| 69 | probably say N here.
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| 70 |
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| 71 | config BUSYBOX_CONFIG_DPKG
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| 72 | bool "dpkg"
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| 73 | default n
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| 74 | help
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| 75 | dpkg is a medium-level tool to install, build, remove and manage Debian packages.
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| 76 |
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| 77 | This implementation of dpkg has a number of limitations, you should use the
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| 78 | official dpkg if possible.
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| 79 |
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| 80 | config BUSYBOX_CONFIG_DPKG_DEB
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| 81 | bool "dpkg_deb"
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| 82 | default n
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| 83 | help
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| 84 | dpkg-deb packs, unpacks and provides information about Debian archives.
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| 85 |
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| 86 | This implementation of dpkg-deb cannot pack archives.
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| 87 |
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| 88 | Unless you have a specific application which requires dpkg-deb, you should
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| 89 | probably say N here.
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| 90 |
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| 91 | config BUSYBOX_CONFIG_FEATURE_DPKG_DEB_EXTRACT_ONLY
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| 92 | bool " extract only (-x)"
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| 93 | default n
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| 94 | depends on BUSYBOX_CONFIG_DPKG_DEB
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| 95 | help
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| 96 | This reduces dpkg-deb to the equivalent of "ar -p <deb> data.tar.gz | tar -zx".
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| 97 | However it saves space as none of the extra dpkg-deb, ar or tar options are
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| 98 | needed, they are linked to internally.
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| 99 |
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| 100 | config BUSYBOX_CONFIG_GUNZIP
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| 101 | bool "gunzip"
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| 102 | default y
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| 103 | help
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| 104 | gunzip is used to decompress archives created by gzip.
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| 105 | You can use the `-t' option to test the integrity of
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| 106 | an archive, without decompressing it.
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| 107 |
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| 108 | config BUSYBOX_CONFIG_FEATURE_GUNZIP_UNCOMPRESS
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| 109 | bool " Uncompress support"
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| 110 | default y
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| 111 | depends on BUSYBOX_CONFIG_GUNZIP
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| 112 | help
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| 113 | Enable if you want gunzip to have the ability to decompress
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| 114 | archives created by the program compress (not much
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| 115 | used anymore).
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| 116 |
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| 117 | config BUSYBOX_CONFIG_GZIP
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| 118 | bool "gzip"
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| 119 | default y
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| 120 | help
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| 121 | gzip is used to compress files.
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| 122 | It's probably the most widely used UNIX compression program.
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| 123 |
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| 124 | config BUSYBOX_CONFIG_IPKG
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| 125 | bool "ipkg"
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| 126 | default y
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| 127 | select BUSYBOX_CONFIG_MD5SUM
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| 128 | select BUSYBOX_CONFIG_WGET
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| 129 | help
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| 130 | ipkg is the itsy package management system.
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| 131 |
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| 132 | config BUSYBOX_CONFIG_RPM2CPIO
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| 133 | bool "rpm2cpio"
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| 134 | default n
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| 135 | help
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| 136 | Converts an RPM file into a CPIO archive.
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| 137 |
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| 138 | config BUSYBOX_CONFIG_RPM
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| 139 | bool "rpm"
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| 140 | default n
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| 141 | help
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| 142 | Mini RPM applet - queries and extracts
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| 143 |
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| 144 | config BUSYBOX_CONFIG_TAR
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| 145 | bool "tar"
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| 146 | default y
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| 147 | help
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| 148 | tar is an archiving program. It's commonly used with gzip to
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| 149 | create compressed archives. It's probably the most widely used
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| 150 | UNIX archive program.
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| 151 |
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| 152 | config BUSYBOX_CONFIG_FEATURE_TAR_CREATE
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| 153 | bool " Enable archive creation"
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| 154 | default y
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| 155 | depends on BUSYBOX_CONFIG_TAR
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| 156 | help
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| 157 | If you enable this option you'll be able to create
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| 158 | tar archives using the `-c' option.
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| 159 |
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| 160 | config BUSYBOX_CONFIG_FEATURE_TAR_BZIP2
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| 161 | bool " Enable -j option to handle .tar.bz2 files"
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| 162 | default y
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| 163 | depends on BUSYBOX_CONFIG_TAR
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| 164 | help
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| 165 | If you enable this option you'll be able to extract
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| 166 | archives compressed with bzip2.
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| 167 |
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| 168 | config BUSYBOX_CONFIG_FEATURE_TAR_LZMA
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| 169 | bool " Enable -a option to handle .tar.lzma files"
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| 170 | default n
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| 171 | depends on BUSYBOX_CONFIG_TAR
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| 172 | help
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| 173 | If you enable this option you'll be able to extract
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| 174 | archives compressed with lzma.
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| 175 |
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| 176 | config BUSYBOX_CONFIG_FEATURE_TAR_FROM
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| 177 | bool " Enable -X (exclude from) and -T (include from) options)"
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| 178 | default y
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| 179 | depends on BUSYBOX_CONFIG_TAR
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| 180 | help
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| 181 | If you enable this option you'll be able to specify
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| 182 | a list of files to include or exclude from an archive.
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| 183 |
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| 184 | config BUSYBOX_CONFIG_FEATURE_TAR_GZIP
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| 185 | bool " Enable -z option"
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| 186 | default y
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| 187 | depends on BUSYBOX_CONFIG_TAR
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| 188 | help
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| 189 | If you enable this option tar will be able to call gzip,
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| 190 | when creating or extracting tar gziped archives.
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| 191 |
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| 192 | config BUSYBOX_CONFIG_FEATURE_TAR_COMPRESS
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| 193 | bool " Enable -Z option"
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| 194 | default n
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| 195 | depends on BUSYBOX_CONFIG_TAR
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| 196 | help
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| 197 | If you enable this option tar will be able to call uncompress,
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| 198 | when extracting .tar.Z archives.
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| 199 |
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| 200 | config BUSYBOX_CONFIG_FEATURE_TAR_OLDGNU_COMPATABILITY
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| 201 | bool " Enable support for old tar header format"
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| 202 | default n
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| 203 | depends on BUSYBOX_CONFIG_TAR
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| 204 | help
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| 205 | This option is required to unpack archives created in
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| 206 | the old GNU format; help to kill this old format by
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| 207 | repacking your ancient archives with the new format.
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| 208 |
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| 209 | config BUSYBOX_CONFIG_FEATURE_TAR_GNU_EXTENSIONS
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| 210 | bool " Enable support for some GNU tar extensions"
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| 211 | default y
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| 212 | depends on BUSYBOX_CONFIG_TAR
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| 213 | help
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| 214 | With this option busybox supports GNU long filenames and
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| 215 | linknames.
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| 216 |
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| 217 | config BUSYBOX_CONFIG_FEATURE_TAR_LONG_OPTIONS
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| 218 | bool " Enable long options"
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| 219 | default n
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| 220 | depends on BUSYBOX_CONFIG_TAR
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| 221 | help
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| 222 | Enable use of long options, increases size by about 400 Bytes
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| 223 |
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| 224 | config BUSYBOX_CONFIG_UNCOMPRESS
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| 225 | bool "uncompress"
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| 226 | default n
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| 227 | help
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| 228 | uncompress is used to decompress archives created by compress.
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| 229 | Not much used anymore, replaced by gzip/gunzip.
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| 230 |
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| 231 | config BUSYBOX_CONFIG_UNLZMA
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| 232 | bool "unlzma"
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| 233 | default n
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| 234 | help
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| 235 | unlzma is a compression utility using the Lempel-Ziv-Markov chain
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| 236 | compression algorithm, and range coding. Compression
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| 237 | is generally considerably better than that achieved by the bzip2
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| 238 | compressors.
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| 239 |
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| 240 | The BusyBox unlzma applet is limited to de-compression only.
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| 241 | On an x86 system, this applet adds about 4K.
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| 242 |
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| 243 | Unless you have a specific application which requires unlzma, you
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| 244 | should probably say N here.
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| 245 |
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| 246 | config BUSYBOX_CONFIG_FEATURE_LZMA_FAST
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| 247 | bool " Optimze unlzma for speed"
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| 248 | default n
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| 249 | depends on BUSYBOX_CONFIG_UNLZMA
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| 250 | help
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| 251 | This option reduce decompression time by about 33% at the cost of
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| 252 | a 2K bigger binary.
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| 253 |
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| 254 | config BUSYBOX_CONFIG_UNZIP
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| 255 | bool "unzip"
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| 256 | default n
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| 257 | help
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| 258 | unzip will list or extract files from a ZIP archive,
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| 259 | commonly found on DOS/WIN systems. The default behavior
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| 260 | (with no options) is to extract the archive into the
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| 261 | current directory. Use the `-d' option to extract to a
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| 262 | directory of your choice.
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| 263 |
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| 264 | comment "Common options for cpio and tar"
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| 265 | depends on BUSYBOX_CONFIG_CPIO || BUSYBOX_CONFIG_TAR
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| 266 |
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| 267 | config BUSYBOX_CONFIG_FEATURE_UNARCHIVE_TAPE
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| 268 | bool " Enable tape drive support"
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| 269 | default n
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| 270 | depends on BUSYBOX_CONFIG_CPIO || BUSYBOX_CONFIG_TAR
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| 271 | help
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| 272 | I don't think this is needed anymore.
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| 273 |
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| 274 | comment "Common options for dpkg and dpkg_deb"
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| 275 | depends on BUSYBOX_CONFIG_DPKG || BUSYBOX_CONFIG_DPKG_DEB
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| 276 |
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| 277 | config BUSYBOX_CONFIG_FEATURE_DEB_TAR_GZ
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| 278 | bool " gzip debian packages (normal)"
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| 279 | default n if BUSYBOX_CONFIG_DPKG || BUSYBOX_CONFIG_DPKG_DEB
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| 280 | depends on BUSYBOX_CONFIG_DPKG || BUSYBOX_CONFIG_DPKG_DEB
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| 281 | help
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| 282 | This is the default compression method inside the debian ar file.
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| 283 |
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| 284 | If you want compatibility with standard .deb's you should say yes here.
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| 285 |
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| 286 | config BUSYBOX_CONFIG_FEATURE_DEB_TAR_BZ2
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| 287 | bool " bzip2 debian packages"
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| 288 | default n
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| 289 | depends on BUSYBOX_CONFIG_DPKG || BUSYBOX_CONFIG_DPKG_DEB
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| 290 | help
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| 291 | This allows dpkg and dpkg-deb to extract deb's that are compressed internally
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| 292 | with bzip2 instead of gzip.
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| 293 |
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| 294 | You only want this if you are creating your own custom debian packages that
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| 295 | use an internal control.tar.bz2 or data.tar.bz2.
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| 296 |
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| 297 | config BUSYBOX_CONFIG_FEATURE_DEB_TAR_LZMA
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| 298 | bool " lzma debian packages"
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| 299 | default n
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| 300 | depends on BUSYBOX_CONFIG_DPKG || BUSYBOX_CONFIG_DPKG_DEB
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| 301 | help
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| 302 | This allows dpkg and dpkg-deb to extract deb's that are compressed
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| 303 | internally with lzma instead of gzip.
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| 304 |
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| 305 | You only want this if you are creating your own custom debian
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| 306 | packages that use an internal control.tar.lzma or data.tar.lzma.
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| 307 |
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| 308 | endmenu
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