dpatch-edit-patch


SYNOPSIS
       dpatch-edit-patch [options] command dpatchname [basepatch]

DESCRIPTION
       This  manual  documents  the  dpatch-edit-patch command which maintains
       dpatch patches for a dpatch-using Debian source package.

       dpatch-edit-patch will copy the full tree to a temporary directory  for
       working.


WARNING
       dpatch  is deprecated, please switch to the `3.0 (quilt)' Debian source
       package  format   instead.   See   http://wiki.debian.org/Projects/Deb-
       Src3.0#FAQ for a short guide on how to do it.


OPTIONS
       dpatch-edit-patch  takes  two forms of arguments; options and commands.
       Currently, the only command that exists is "patch", which allows you to
       create/edit dpatches.  When no command is given, "patch" is assumed.


   COMMANDS:
       patch  This  command  requires  one mandatory argument, and accepts one
              optional argument under certain  circumstances.   The  mandatory
              argument is dpatchname.  This refers to a dpatch, as it would be
              listed  in  debian/patches/00list.   It  is  not  necessary  for
              dpatchname  to  exist  prior  to running dpatch-edit-patch patch
              dpatchname.

              When dpatchname exists, dpatch-edit-patch will set up a  working
              source  tree, apply all dpatches listed in debian/patches/00list
              up to and including dpatchname, and spawn an  interactive  shell
              for  the developer. The developer then edits files in this work-
              ing tree. When the developer  is  done,  they  exit  the  shell.
              dpatch-edit-patch then updates dpatchname to reflect the changes
              made.  Should the developer wish to abort the process  from  the
              interactive  shell,  they need only cause the shell to exit with
              an exit value of 230.  Typically, this is done  by  exiting  the
              shell with the command exit 230.

              Would  the developer wish to see the patch one's currently works
              on without exiting the subshell, two environment  variables  are
              exported into the subshell to help with this: DPEP_SHELL_REFDIR,
              which is  set  to  the  reference  directory's  full  name,  and
              DPEP_SHELL_WORKDIR,  which  is  set  to  the  subshell's working
              directory.

              These two can be used to - for example - generate a diff between
              the reference version and the current tree:

                     diff -urNa $DPEP_SHELL_REFDIR $DPEP_SHELL_WORKDIR

       Its first parameter is  the  base  filename  of  the  to-be-updated  or
       to-be-created  dpatch  (useful for adding titles to the dpatch header).
       Its second parameter will be the description of the new patch.

   OPTIONS
       For the following options, command-line arguments take precedence  over
       environment  variables,  which take precedence over configuration vari-
       ables.      Configuration      variables      are       read       from
       debian/patches/00dpatch.conf and ~/.dpatch.conf.

       -s, --sourcedir=value
              Directory containing unpacked Debian source package.  Configura-
              tion variable conf_sourcedir (settable only in  ~/.dpatch.conf),
              environment  variable  DPEP_SOURCEDIR.   Defaults to the current
              working directory.

       -o, --outdir=value
              Directory where the updated  or  newly-created  dpatch  will  be
              placed.   Configuration  variable  conf_outdir (~/.dpatch.conf),
              environment variable DPEP_OUTDIR. Defaults to ./debian/patches/

       -c, --clean
              Indicate to dpatch-edit-patch that the  current  work  directory
              can  safely be cleaned. If not given, dpatch-edit-patch tries to
              preserve partial or complete builds by first copying the current
              work   directory   to  a  reference  directory  before  invoking
              debian/rules clean on the reference  directory.  If  given,  the
              current  directory  is  cleaned  and  then  taken as a reference
              directory. Use this option if  your  source  package  is  pretty
              large and no significant work is destroyed by cleaning. Configu-
              ration variable conf_clean (~/.dpatch.conf),  Environment  vari-
              able DPEP_CLEAN.

       -b, --debianonly[=path]
              Indicate  to  dpatch-edit-patch  that the current work directory
              only contains a debian subdirectory and that an upstream tarball
              is  to be unpacked in the reference directory before copying the
              current work directory there. The optional argument is the  path
              to  the  upstream  tarball  -  including the tarball name. If no
              value is given,  dpatch-edit-patch  will  use  the  hook  script
              pointed    to    by    conf_getorigtargz   (~/.dpatch.conf)   or
              DPEP_GETORIGTARGZ to  obtain  the  upstream  tarball.  The  hook
              script should take one argument: the destination directory where
              the fetched archive  shall  be  put.   Configuration  variables:
              conf_debianonly  (debian/patches/00dpatch.conf)  and  conf_orig-
              targz (~/.dpatch.conf),  Environment  Variables  DPEP_DEBIANONLY
              and DPEP_ORIGTARGZ.

       -P, --origtargzpath=path
              When  -b  is  in  use,  specify the path where upstream tarballs
              should be looked for.  path is a colon-separated list of  direc-
              tories.      Configuration     variables:     conf_origtargzpath
              (~/.dpatch.conf), Environment Variables DPEP_ORIGTARGZPATH.


       -k, --keeptemp=value
              Boolean   value,   either   0   or  1.   Configuration  variable
              conf_keeptemp     (~/.dpatch.conf),     environment     variable
              DPEP_KEEPTEMP.  When  set  to  1,  temporary working tree is not
              deleted when dpatch-edit-patch is done.

       -t, --tmpdir=value
              Temporary directory within which dpatch-edit-patch  will  create
              the  working  source  tree.   Configuration variable conf_tmpdir
              (~/.dpatch.conf), environment variable DPEP_TMPDIR. Should  none
              of the above be set, dpatch-edit-patch will first attempt to use
              the environment variable TMPDIR, and will fall back to /tmp.

       -p, --stampdir=value
              The directory dpatch has used for creating patch  stamps.   Used
              for  checking  if  patch  to be edited is already applied to the
              working    tree.     Configuration    variable     conf_stampdir
              (~/.dpatch.conf),  environment  variable  DPEP_STAMPDIR.  Should
              none of the above be set, dpatch-edit-patch will  fall  back  to
              debian/patched

       -e, --exclude=valuelist
              Space-separated   list   of   file-  and  directory  names  that
              dpatch-edit-patch will exclude from  being  copied  and  diffed.
              Configuration  variable  conf_exclude (~/.dpatch.conf), environ-
              ment variable DPEP_EXCLUDE. Defaults to "CVS .svn .git .arch .hg
              _darcs  .bzr",  which  might  cause you trouble if you use files
              named like that in your package.

       -O, --diffopts=valuelist
              Extra options to directly pass  to  diff  as-is.   Configuration
              variable  conf_diffopts  (~/.dpatch.conf),  environment variable
              DPEP_DIFF_OPTIONS. It is empty by default.

       -l, --shell=shell
              Tell dpatch-edit-patch  which  shell  to  invoke.  Configuration
              variable   conf_shell   (~/.dpatch.conf),  environment  variable
              DPEP_SHELL, defaulting to $SHELL and the user's default shell.

       -n, --notimestamp
              Tell dpatch-edit-patch to remove timestamps from  the  diffs  it
              generates. Can also be set in debian/patches/00options, with the
              DPEP_OMIT_TIMESTAMPS variable.

       -0, --add2list
              add the new patch to 00list file.

       -a, --applyall
              apply all available patches.


EXAMPLES
   Create a new patch to be applied after an existing patch.
       $ exit 0
       dpatch-edit-patch: * Creating new patch debian/patches/95_newupstreamfix.dpatch
       dpatch-edit-patch: Warning: debian/patches/00template does not exist, using hardcoded default.
       dpatch-edit-patch: debian/patches/95_newupstreamfix.dpatch created.

   Create a new patch not depending on existing patches
       To  create a new patch, intended to be applied before any other patches
       (or a new patch which doesn't  require  other  patches  to  be  applied
       first):

       $ dpatch-edit-patch 10_debianstrings
       dpatch-edit-patch: * debian/patches/10_debianstrings.dpatch does not exist, it will be created as a new dpatch.
       dpatch-edit-patch: * Cleaning /home/david/temp/sopwith-1.6.0
        ...
       dpatch-edit-patch: Warning: * No base-patch supplied, not applying any patches.
       dpatch-edit-patch: * Copying /home/david/temp/sopwith-1.6.0 to work directory.
        ...
       $ editor files
       $ exit 0
        ...
       dpatch-edit-patch: * Creating new patch debian/patches/10_debianstrings.dpatch
       dpatch-edit-patch: Warning: debian/patches/00template does not exist, using hardcoded default.
       dpatch-edit-patch: debian/patches/10_debianstrings.dpatch created.

   Edit an existing patch:
       $ dpatch-edit-patch 10_debianstrings
       dpatch-edit-patch: * debian/patches/10_debianstrings.dpatch exists, this patch will be updated.
       dpatch-edit-patch: * Cleaning /home/david/temp/sopwith-1.6.0
        ...
       dpatch-edit-patch: * Applying patches
       dpatch-edit-patch: * Copying /home/david/temp/sopwith-1.6.0 to work directory.
       dpatch-edit-patch: * Applying current 10_debianstrings for editing.
        ...
       $ editor files
       $ exit 0
       dpatch-edit-patch: Updating patch debian/patches/10_debianstrings.dpatch
       dpatch-edit-patch: @DPATCH@ tag found, preserving dpatch header.
       dpatch-edit-patch: debian/patches/10_debianstrings.dpatch updated.


NOTES
       dpatch-edit-patch  uses  the  DEBFULLNAME  environment  variable as the
       author's name. If it is unset, the author name will be left blank.

       dpatch-edit-patch determines the author's email address for new patches
       using the following algorithm:
       1) Should the DEBEMAIL environment variable exist, it is always used.
       2) If the EMAIL environment variable exists, it will be used when DEBE-
       MAIL does not exist.
       3) Should neither of the first two attempts succeed, the email will  be
       constructed  using the login name of the user running dpatch-edit-patch
       combined with the output of hostname -f.

       When dpatch-edit-patch sets up a reference or a working  directory,  it
       dpatch(1), dpatch(7), dpatch.make(7), dpatch-list-patch(1), dpatch-con-
       vert-diffgz(1)

       Files in /usr/share/doc/dpatch/


AUTHOR
       This manual page was written by David  B  Harris  <david@eelf.ddts.net>
       and  modified  in  the  course  of  development by Gergely Nagy <alger-
       non@debian.org>, Marc Haber <mh+debian-packages@zugschlus.de>,  Stefano
       Zacchiroli <zack@debian.org>, and Junichi Uekawa <dancer@debian.org>.





DPATCH                            23 Oct 2011             DPATCH-EDIT-PATCH(1)
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