debrebuild(1) - phpMan

DEBREBUILD(1)                             User Commands                             DEBREBUILD(1)

NAME
       debrebuild - use a buildinfo file and snapshot.d.o to recreate binary packages

SYNOPSIS
       debrebuild [options] <buildinfo>

DESCRIPTION
              debrebuild <--help|-h>

       Given  a buildinfo file from a Debian package, generate instructions for attempting to re-
       produce the binary packages built from the associated source and build information.

OPTIONS
       --help, -h
              Show this help and exit

       --[no-]use-tor-proxy
              Whether to fetch resources via  tor  (socks://127.0.0.1:9050)  Assumes  "apt-trans-
              port-tor" is installed both in host + chroot

       --[no-]respect-build-path
              Whether to setup the build to use the Build-Path from the provided .buildinfo file.

       --buildresults
              Directory for the build artifacts (default: ./)

       --builder=BUILDER
              Which  building  software  should be used. Possible values are none, sbuild, mmdeb-
              strap, dpkg and sbuild+unshare. The default is none. See section  BUILDER  for  de-
              tails.

       Note: debrebuild can parse buildinfo files with and without a GPG signature.  However, the
       signature (if present) is discarded as debrebuild does not support verifying it.   If  the
       authenticity or integrity of the buildinfo files are important to you, checking these need
       to be done before invoking debrebuild, for example by using dscverify.

       EXAMPLES

              $        debrebuild         --buildresults=./artifacts         --builder=mmdebstrap
              hello_2.10-2_amd64.buildinfo

       BUILDERS

       debrebuild  can use different backends to perform the actual package rebuild.  The desired
       backend is chosen using the --builder option. The default is "none".

       none   Dry-run mode. No build is performed.

       sbuild Use sbuild to build the package. This requires sbuild to be setup with schroot  ch-
              roots of Debian stable distributions.

       mmdebstrap
              Use mmdebstrap to build the package. This requires no setup and no superuser privi-
              leges.

       dpkg   Directly run apt-get and dpkg-buildpackage on the current  system  without  chroot.
              This requires root privileges.

       sbuild+unshare
              Use  sbuild  with  the unshare backend. This will create the chroot and perform the
              build without superuser privileges and without any setup.

       UNSHARE

       Before kernel 5.10.1 or before Debian 11 (Bullseye),  unprivileged  user  namespaces  were
       disabled  in  Debian for security reasons. Refer to Debian bug #898446 for details. To en-
       able user namespaces, run:

              $ sudo sysctl -w kernel.unprivileged_userns_clone=1

       The sbuild+unshare builder requires and the mmdebstrap builder benefits  from  having  un-
       privileged user namespaces activated. On Ubuntu they are enabled by default.

       LIMITATIONS

       Currently,  the  code assumes that all packages were at some point part of Debian unstable
       main. This fails for packages from Debian ports, packages from experimental as well as for
       locally built packages or packages from third party repositories. Enabling support for De-
       bian ports and experimental is conceptually possible and only needs somebody  implementing
       it.

debrebuild 2.22.1ubuntu1                   January 2022                             DEBREBUILD(1)

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