#! /bin/bash
set -x

opts=
if [ "$1" = "-v" ];then
	opts="-v"
	shift
fi

quick=false
if [ "$1" = "-q" ];then
	quick=true
	shift
fi

if [ -z "$HOME" ];then
	HOME=/root
fi

for i in "$@";do
	if [ "$i" = "${i#/var/lib/mock/}" ];then
		echo >&2 "$i not /var/lib/mock/*"
		exit 1
	fi
	if [ "$i" != "${i#*/root}" ];then
		echo >&2 "$i contains /root"
		exit 1
	fi
	if [ "$i" != "${i%-intel}" ];then
		continue
	fi
	set +x
	l=""
	b=""
	for p in /proc/*/root;do
		l="`readlink $p`"
		if [ "${l#$i/}" != "$l" ];then
			p="${p#/proc/}"
			p="${p%/root}"
			b="$b $p"
		fi
	done
	set -x
	if [ -n "$b" ];then
		echo >&2 "$i has existing processes: $b"
		continue
	fi

	/usr/local/sbin/mocksetup -u `basename $i`
	rm -f $i/root/var/lib/rpm/__db.*
	if ! $quick;then
		mock $opts -r `basename $i` --update
		mock $opts -r `basename $i` --install `cat ~/src/INSTALL`
	fi
	# Run: yum groupinstall buildsys-build
	# Cleaning would undo the changes above.
	# file /lib/libnssutil3.so conflicts between attempted installs of nss-3.12.3.99.3-10.fc12.i686 and nss-util-3.12.3.99.3-9.fc12.i686
	# rpmdb: Build signature doesn't match environment
	# on: fedora-{11,12}-i386
	#if [ "$i" = "${i#*/fedora-rawhide-}" ];then
	#	mock $opts -r `basename $i` --no-clean --no-cleanup-after --rebuild /usr/local/share/empty-0.1-1.src.rpm
	#fi
	# Just rpmbuild would error with:
	# error: cannot open Packages index using db3 - Invalid argument (22)
	rpm -r $i/root --rebuilddb
	# Leftover usually just removing vital system packages:
	rm -f $i/root/var/lib/yum/transaction-*
	# Print duplicates:
	rpm -r $i/root --qf '%{name}.%{arch}\n' -qa|sort|uniq -d|sed -e '1s/^/ror duplicity:\n/' -e '1s/^/mockupdate er/'
done

echo done mockupdate "$*"