dgit-sponsorship(7)                  dgit                  dgit-sponsorship(7)

       dgit-sponsorship - tutorial for Debian upload sponsorship, using git

       This tutorial describes how a Debian sponsored contributor and a
       sponsoring DD (or DM) can collaborate and publish using git.

       The sponsor must be intending to use dgit for the upload.  (If the
       sponsor does not use dgit, it is not possible to properly publish a
       sponsee's git branch.)

       It is best if the sponsee also uses dgit; but also covered (later on)
       is the case where the sponsee provides a proposed upload in source
       package form, but the sponsor would like to work in git.

       This tutorial does not provide a checklist for the sponsor's review.
       Both contributors are expected to be familiar with Debian packaging and
       Debian's processes, and with git.

       This section is addressed to the sponsee:

       You should prepare the package as if you were going to upload it with
       "dgit push-source" or "dgit push" yourself.

       For a straightforward NMU, consult dgit-nmu-simple(7).

       If you are the (prospective) maintainer, you can adopt any suitable
       (dgit-compatible) git workflow.  The dgit-maint-*(7) tutorials describe
       some of the possibilities.

   Upload preparation
       You should go through all of the steps a self-uploading maintainer
       would do, including building for ad hoc tests, and checking via a
       formal build (eg using "dgit sbuild") that the package builds on sid
       (or the target release).

       At the point where you would, if you were a DD, do the actual upload by
       running dgit push, you hand off to your sponsor.

       If you were going to use one of the "--quilt=" options to dgit, or
       "dgit --gbp" or "dgit --dpm", you must specify that in your handoff
       email - see below.

   git+origs based handoff
       The elements of the handoff consists of:

       •   The git branch.

       •   Any .orig tarballs which will be needed, or sample git-archive(1)
           or gbp-buildpackage(1) command(s) to generate them.

       •   A sample dgit push command, containing any dgit --quilt=, --gbp or
           --dpm option needed

       •   Plus of course all the usual information about the state of the
           package, any caveats or areas you would like the sponsor to focus
           their review, constraints about upload timing, etc.

       If the handoff is done by email, the elements above should be a in a
       single, signed, message.  This could be an RFS submission against the
       sponsorship-requests pseudo-package.

       git branch

           The sponsee should push their HEAD as a git branch to any suitable
           git server.  They can use their own git server; salsa is another

           The branch names used by the sponsee on their local machine, and on
           the server, do not matter.

           Instead, the sponsee should include the git commit id of their HEAD
           in their handover email.

       orig tarballs

           If there are any .origs that are not in the archive already, the
           sponsor will need them as part of the upload.

           If the sponsee generated these tarballs with git-archive(1) or
           gbp-buildpackage(1), they can simply include a sample invocation of
           git-archive(1) or ensure that a suitable gbp.conf is present in the
           source package to generate the tarball.

           Otherwise, the simplest approach is to commit the orig tarballs
           with pristine-tar(1), e.g.

               % pristine-tar commit ../foo_1.2.3.orig.tar.xz upstream/1.2.3

           and be sure to push the pristine-tar branch.  If you are using
           git-buildpackage(1), just pass --git-pristine-tar and

           Alternatively, the sponsee can put them on a suitable webserver, or
           attach to the e-mail, if they are small.

           The sponsee should quote sha256sums of the .origs in their handoff
           email, unless they supplied commands to generate them.

       quilt options

           Some workflows involve git branches which are not natively dgit-
           compatible.  Normally dgit will convert them as needed, during

           Supply a sample "dgit push" command including any "--gbp" (aka
           "--quilt=gbp"), "--dpm" (aka "--quilt=dpm"), or other "--quilt="
           option they need to use.  e.g.

               % dgit --gbp push

       This part is addressed to the sponsor:

   Receiving and validating the sponsorship request
       You should check the signature on the email.

       Use "git fetch" or "git clone" to obtain the git branch prepared by
       your sponsee, and obtain any .origs mentioned by the sponsee (to
       extract .origs committed with pristine-tar, you can use origtargz(1),
       or use "gbp clone --pristine-tar".)

       Check the git commit ID of the sponsee's branch tip, and the sha256sums
       of the .origs, against the handoff email.

       Now you can check out the branch tip, and do your substantive review.

   Dealing with branches that want --quilt=
       If your sponsee mentioned a "--quilt" option, and you don't want to
       grapple with their preferred tree format, you can convert their tree
       into the standard dgit view:

           % dgit -wgf --quilt=foo --dgit-view-save=unquilted quilt-fixup
           % git checkout unquilted

       You should check that what you're looking at is a descendant of the
       sponsee's branch.

   Some hints which may help the review
       "dgit fetch sid" will get you an up-to-date
       "refs/remotes/dgit/dgit/sid" showing what's in the archive already.

       "dgit -wgf --damp-run push-source" will check that dgit can build an
       appropriate source package.

       There is no need to run debdiff.  dgit will not upload anything that
       doesn't unpack to exactly the git commit you are pushing, so you can
       rely on what you see in "git diff".

   Doing the upload
       When you have completed your source review, and use "dgit -wgf
       [--quilt=...] sbuild -A -C" or similar, to to the build, and then "dgit
       -wgf [--quilt=...] push-source" or "dgit -wgf [--quilt=...] push" to do
       the upload.

       Check whether the sponsee made a debian/version tag.  If they did,
       ensure you have their tag in the repository you are pushing from, or
       pass "--no-dep14tag".  This avoids identically named, non-identical
       tags, which can be confusing.

       (It is possible to upload from the quilt-cache dgit view.  If you want
       to do this, do not pass the "--quilt" or "--gbp" or "--dpm" options
       again, and do pass "--no-dep14tag", since the debian/version tag should
       go on the sponsee's branch.)

       If this was the first upload done with dgit, you may need to pass
       "--overwrite" to dgit.

       Alternatively, if this was the first ever dgit push of the package, you
       can pass "--deliberately-not-fast-forward" instead of "--overwrite".
       This avoids introducing a new origin commit into the dgit view of the
       sponsee's git history which is unnecessary and could be confusing.

       This part is addressed to the sponsor:

       If your sponsee does not use git, you can still do your review with
       git, and use dgit for the upload.

       Your sponsee will provide you with a source package: that is, a .dsc
       and the files it refers to.  Obtain these files, and check signatures
       as appropriate.  Then:

           % dgit clone PACKAGE
           % cd PACKAGE
           % dgit import-dsc /path/to/sponsee's.dsc +sponsee
           % git checkout sponsee

       Or for an entirely new package:

           % mkdir PACKAGE
           % cd PACKAGE
           % git init
           % dgit -pPACKAGE import-dsc /path/to/sponsee's.dsc +sponsee

       This will leave you looking at the sponsee's package, formatted as a
       dgit branch.

       When you have finished your review and your tests, you can do the dgit
       sbuild and dgit push directly from the "sponsee" branch.

       You will need to pass "--overwrite" to dgit push for every successive
       upload.  This disables a safety catch which would normally spot
       situations where changes are accidentally lost.  When your sponsee is
       sending you source packages - perhaps multiple source packages with the
       same version number - these safety catches are inevitably ineffective.

       dgit(1), dgit(7), dgit-nmu-simple(7), dgit-maint-*(7)

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