Re: libgtk2.0-0 conflicts with libgdkxft0?

[Guillem Jover <guillem@debian.org>]

On Thu, Jun 05, 2003 at 06:10:03PM +0200, Tim Dijkstra wrote:
> On Thu, 5 Jun 2003 16:24:56 +0100 Tom Badran wrote:
> > On Thursday 05 Jun 2003 3:17 pm, Matthias Urlichs wrote:
> > > Sure there is. Download the source, remove the Conflicts: line, and
> > > build it yourself.  ;-)
> >
> > Hmm... I don't fancy rebuilding the whole of gtk2 (that has the
> > conflict, not libgdkxft).
>
> Well it's probably easier to unpack the deb with ar (ar -xf <debname>),
> then unpack the control part of the deb (tar -xzf control.tar.gz), edit
> the control file to delete conflict, repack and add the new control
> section to the deb (ar -r <debname> control.tar.gz). And then of course
> install...

Hmmm, bump the version and maybe change the filename as well to be on the
safe side.

> Haven't tried it, but should work.

Yes it works. I've done something similar recently to do a massive
reversion on rebuilt packages (forgot to do that before building :).

Attached is a script to automate this task.

regards,
guillem

#!/bin/bash
#
# debrebuild-reversion
#
# $Id: debrebuild-reversion,v 1.1.1.1 2003/06/06 03:06:12 guillem Exp $
#
#	Change binary package version to a recompilation-only NMU.
#
# Copyright (C) 2003 Guillem Jover <guillem@debian.org>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; version 2 of the License.
#

workdir=~/build
resultdir=$workdir/result
ronmudir=$workdir/ro-nmu
stagedir=$workdir/stage
controldir=$stagedir/control

reversion()
{
  local version=$1
  local upstream=$(echo $version | sed -e 's/-[^-]*$//')
  local debrev=$(echo $version | sed -ne 's/.*-\([^-]*\)$/\1/p')

  OLDIFS=$IFS
  IFS="."
  set -- $debrev
  IFS=$OLDIFS

  if [ "$2" = "potato" -o "$2" = "woody" -o "$2" = "sarge" ]
  then
    local backport="$1.$2."
    IFS="."
    set -- $3
    IFS=$OLDIFS
  fi

  d1=${1:-0}
  d2=${2:-0}
  d3=$(($3 + 1))

  echo "$upstream-$backport$d1.$d2.$d3"
}

reversion_file()
{
  local deb=$1
  local OLDIFS=$IFS

  IFS="_"
  set -- $deb
  IFS=$OLDIFS

  local new_version=$(reversion $2)

  mv $deb $ronmudir/${1}_${new_version}_$3
}

reversion_control()
{
  local version=$(sed -ne 's/^Version: //p' control)

  new_version=$(reversion $version)

  sed -e "s/^Version: $version/Version: $new_version/" < control > control.new
  mv -f control.new control
}

reversion_package ()
{
  local deb=$1
  local package=$(basename $deb)

  if [ ! -e $deb ]
  then
    echo " -> error: no file found [$deb]"
    return 1
  fi

  mkdir -p $controldir

  echo " -> reversioning [$package]"
  cd $stagedir
  cp $deb .
  ar x $package control.tar.gz
  cd $controldir
  tar xzf ../control.tar.gz
  reversion_control
  tar czf ../control.tar.gz *
  cd $stagedir
  ar r $package control.tar.gz
  reversion_file $package

  rm -rf $stagedir/*
}

# Main

export LC_ALL=C

echo "Creating recompilation-only NMU dir"
mkdir -p $ronmudir

echo "Cleaning staging area"
rm -rf $stagedir/*

echo "Reversioning to a recompilation-only NMU"
ls $resultdir/*.deb | while read package
do
  reversion_package $package
done

exit 0