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dpkg-scanpackages(1)              dpkg suite              dpkg-scanpackages(1)

NAME
       dpkg-scanpackages - create Packages index files

SYNOPSIS
       dpkg-scanpackages [option...] binary-path [override-file [path-prefix]]
       > Packages

DESCRIPTION
       dpkg-scanpackages sorts through a tree of Debian binary packages and
       creates a Packages file, used by apt(8), dselect(1), etc, to tell the
       user what packages are available for installation. These Packages files
       are the same as those found on Debian archive sites and CD-ROMs. You
       might use dpkg-scanpackages yourself if making a directory of local
       packages to install on a cluster of machines.

       Note: If you want to access the generated Packages file with apt(8) you
       will probably need to compress the file with xz(1) (generating a
       Packages.xz file), bzip2(1) (generating a Packages.bz2 file) or gzip(1)
       (generating a Packages.gz file).  apt(8) ignores uncompressed Packages
       files except on local access (i.e.  file:// sources).

       binary-path is the name of the tree of the binary packages to process
       (for example, contrib/binary-i386).  It is best to make this relative
       to the root of the Debian archive, because every Filename field in the
       new Packages file will start with this string.

       override-file is the name of a file to read which contains information
       about how the package fits into the distribution (the file can be
       compressed since dpkg 1.15.5); see deb-override(5).

       path-prefix is an optional string to be prepended to the Filename
       fields.

       If more than one version of a package is found only the newest one is
       included in the output. If they have the same version and only differ
       in architecture only the first one found is used.

OPTIONS
       -t, --type type
           Scan for *.type packages, instead of *.deb.

       -e, --extra-override file
           Scan file to find supplementary overrides (the file can be
           compressed since dpkg 1.15.5).  See deb-extra-override(5) for more
           information on its format.

       -a, --arch arch
           Use a pattern consisting of *_all.deb and *_arch.deb instead of
           scanning for all debs.

       -h, --hash hash-list
           Only generate file hashes for the comma-specified list specified
           (since dpkg 1.17.14).  The default is to generate all currently
           supported hashes.  Supported values: md5, sha1, sha256.

       -m, --multiversion
           Include all found packages in the output.

       -M, --medium id-string
           Add an X-Medium field containing the value id-string (since dpkg
           1.15.5).  This field is required if you want to generate
           Packages.cd files for use by the media access method of dselect.

       -?, --help
           Show the usage message and exit.

       --version
           Show the version and exit.

ENVIRONMENT
       DPKG_COLORS
           Sets the color mode (since dpkg 1.18.5).  The currently accepted
           values are: auto (default), always and never.

       DPKG_NLS
           If set, it will be used to decide whether to activate Native
           Language Support, also known as internationalization (or i18n)
           support (since dpkg 1.19.0).  The accepted values are: 0 and 1
           (default).

DIAGNOSTICS
       dpkg-scanpackages outputs the usual self-explanatory errors. It also
       warns about packages that are in the wrong subdirectory, are
       duplicated, have a Filename field in their control file, are missing
       from the override file, or have maintainer substitutions which do not
       take effect.

SEE ALSO
       dpkg(1), dselect(1), deb-override(5), deb-extra-override(5), dpkg-
       scansources(1).

1.21.22                           2023-05-11              dpkg-scanpackages(1)

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