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git-debcherry(1)


NAME

   git-debcherry - export commits touching upstream source as patches

SYNOPSIS

   git-debcherry [options] upstream [integration]

DESCRIPTION

   This  program  will  analyze  git  history  and  try to create a set of
   patches meeting the following conditions:

       1. Is guaranteed to apply to upstream

       2. Produces the same work tree as integration, outside ./debian

       3. Does not touch ./debian

       4. As much as possible, matches the git history  from  upstream  to
       integration

BRANCH PARAMETERS

   upstream

          This  ref  should  be suitable for export as a .orig.tar.gz.  In
          particular note that quilt has no way  of  deleting  files  that
          does  not  include  the  material to be deleted in the patch, so
          your  upstream  branch  should  include   any   necessary   file
          deletions.

   integration

          This  branch  contains  all  debian  packaging, plus any changes
          introduced to upstream source  by  the  debian  packager.   This
          argument  is  optional.   If  integration  is  not  passed  git-
          debcherry will use HEAD.

OPTIONS

   The following options are available:

   -o, --output-directory directory

          Place  output  (patches  and  series  file)  in  directory.   If
          unspecified, output patches (in mbox format) to stdout.

   -s, --stat

          Only output diffstat of patches

   -d, --debug
          Output  some  debugging  information.  Probably  only  useful to
          developers or those reporting bugs.

EXAMPLE

   To export the patches between tag v3.0+dfsg1  and  the  current  branch
   into ./debian/patches:

    $ git-debcherry -o debian/patches v3.0+dfsg1

NOTES

   PERFORMANCE
   git-debcherry   currently  uses  git-filter-branch(1)  to  rewrite  all
   commits on the integration branch not present  upstream.  Depending  on
   the number of such commits, this can be noticeably slow.

   DELETED FILES
   git-debcherry   currently   follows  dpkg-source(1)  in  ignoring  file
   deletions. This has the  positive  side  effect  of  not  bloating  the
   patches,  but if you really need the files deleted for the build and/or
   licensing reasons, you should delete them in upstream.

SEE ALSO

   gitpkg(1)

AUTHOR

   git-debcherry was written by David Bremner <bremner@debian.org>.

                            April 27, 2014                GIT-DEBCHERRY(1)



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