Usage: dpkg-source [<option>...] <command>

Commands:
  -x, --extract <filename>.dsc [<output-dir>]
          Extract source package.
  -b, --build <dir>
          Build source package.
      --print-format <dir>
          Print the format to be used for the source package.
      --before-build <dir>
          Run the corresponding source package format hook.
      --after-build <dir>
          Run the corresponding source package format hook.
      --commit [<dir> [<patch-name>]]
          Store upstream changes in a new patch.

Build options:
  -c<control-file>
          Get control information from this file.
  -l<changelog-file>
          Get per-version changelog information from this file.
  -F<changelog-format>
          Force changelog format.
      --format=<source-format>
          Set the format to be used for the source package.
  -T<substvars-file>
          Read substitution variables from this file.
  -V<name>=<value>
          Set a substitution variable.
  -D<field>=<value>
          Override or add a .dsc field and value.
  -U<field>
          Remove a field.
  -i, --diff-ignore[=<regex>]
          Filter out files to ignore diffs of.
          [default: (?:^|/).*~$|(?:^|/)\.#.*$|(?:^|/)\..*\.sw.$|(?:^|/),,.*(?:$|/.*$)|(?:^|/)(?:DEADJOE|\.arch-inventory|\.(?:bzr|cvs|hg|git|mtn-)ignore)$|(?:^|/)(?:CVS|RCS|\.deps|\{arch\}|\.arch-ids|\.svn|\.hg(?:tags|sigs)?|_darcs|\.git(?:attributes|modules|review)?|\.mailmap|\.shelf|_MTN|\.be|\.bzr(?:\.backup|tags)?)(?:$|/.*$)]
  -I, --tar-ignore[=<pattern>]
          Filter out files when building tarballs.
          [default: -I*.a -I*.la -I*.o -I*.so -I.*.sw? -I*/*~ -I,,* -I.[#~]* -I.arch-ids -I.arch-inventory -I.be -I.bzr -I.bzr.backup -I.bzr.tags -I.bzrignore -I.cvsignore -I.deps -I.git -I.gitattributes -I.gitignore -I.gitmodules -I.gitreview -I.hg -I.hgignore -I.hgsigs -I.hgtags -I.mailmap -I.mtn-ignore -I.shelf -I.svn -ICVS -IDEADJOE -IRCS -I_MTN -I_darcs -I{arch}]
  -Z, --compression=<compression>
          Select compression to use (supported are: bzip2, gzip, lzma, xz).
          [default: xz]
  -z, --compression-level=<level>
          Compression level to use (supported are: '1'-'9', 'best', 'fast').
          [default: 6]

Extract options:
      --no-copy
          Do not copy original source tarballs.
      --no-check
          Do not check signature and checksums on extraction.
      --no-overwrite-dir
          Do not overwrite directory on extraction.
      --no-vendor-certs
          Do not use vendor specific certificate keyrings.
      --signer-certs=<keyring>
          Use a signer certificates keyring.
      --require-valid-signature
          Abort if the package does not have a valid signature.
      --require-strong-checksums
          Abort if the package contains no strong checksums.
      --ignore-bad-version
          Allow bad source package versions.

Build format 1.0 options:
  -sa
          Auto select original source.
  -sk
          Use packed original source (unpack and keep).
  -sp
          Use packed original source (unpack and remove).
  -su
          Use unpacked original source (pack and keep).
  -sr
          Use unpacked original source (pack and remove).
  -ss
          Trust packed and unpacked original sources are same.
  -sn
          There is no diff, do main tarfile only.
  -sA, -sK, -sP, -sU, -sR
          Like -sa, -sk, -sp, -su, -sr but may overwrite.
      --abort-on-upstream-changes
          Abort if generated diff has upstream files changes.

Extract format 1.0 options:
  -sp
          Leave original source packed in current directory.
  -su
          Do not copy original source to current directory.
  -sn
          Unpack original source tree too.
      --skip-debianization
          Do not apply debian diff to upstream sources.

General options:
      --threads-max=<threads>
          Use at most <threads> with compressor.
  -q
          Enable quiet mode, minimal output.
  -?, --help
          Show this help message.
      --version
          Show the version.

Source format specific build and extract options are available;
use --format with --help to see them.