[gentoo-dev] Useful bash script to create Gentoo binary packages after emerge is over

[Terry Chan <tchan@enteract.com>]

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Hi,

Hopefully other Gentoo users will find this bash script useful.  It creates
Gentoo binary packages AFTER the package has already been emerge'd.

This is useful if you don't always want to emerge with --buildpkg, but you
do want to create the Gentoo package (tbz2) at a later date.  This also 
gives the sys-admin a chance to modify the config files that are a part
of any given package and then those config file changes will be bundled
up into the resulting binary package.

Script must be run as ROOT.  Invocation is fairly simple. Using prozilla as
an example:

   quickpkg /var/db/pkg/net-www/prozilla-1.3.6/

Will create /usr/portage/packages/All/prozilla-1.3.6.tbz2

This binary Gentoo package can then be installed on another Gentoo system
by simplying copy the tbz2 package to the new gentoo box and then using
this command:

   emerge --usepkg /usr/portage/packages/All/prozilla-1.3.6.tbz2

Terry Chan
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#!/bin/bash
# This script tries to quickly create a gentoo binary package using the
#   /var/db/pkg/class-app/app/* files
#
# Example invocation should be something similar to:
#   quickpkg /var/db/pkg/net-www/prozilla-1.3.6/
#
# Resulting tbz2 file will be created in /usr/portage/packages/ALL/
#
# Run this script as ROOT
#
# Comments or questions to tchan@enteract.com
# Terry Chan, 2001, GPL
#
PF=`cat $1/PF`
MYDIR="/tmp/portage/${PF}"
rm -r ${MYDIR}/temp
mkdir -p ${MYDIR}/temp
cp $1/* ${MYDIR}/temp
cut -f 2 -d " " $1/CONTENTS >${MYDIR}/filelist
tar cjvf ${MYDIR}/bin.tar.bz2 --files-from=${MYDIR}/filelist --no-recursion
rm ${MYDIR}/temp/CONTENTS
xpak ${MYDIR}/temp ${MYDIR}/inf.xpak
tbz2tool join ${MYDIR}/bin.tar.bz2 ${MYDIR}/inf.xpak ${MYDIR}/${PF}.tbz2
[ -d /usr/portage/packages/All ] ||  mkdir -p /usr/portage/packages/All
mv ${MYDIR}/${PF}.tbz2 /usr/portage/packages/All
rm ${MYDIR}/temp/*
rm ${MYDIR}/bin.tar.bz2 ${MYDIR}/inf.xpak ${MYDIR}/filelist