#!/bin/bash
# Vitastor depends on QEMU and FIO headers, but QEMU and FIO don't have -devel packages
# So we have to copy their headers into the source tarball

set -e

VITASTOR=$(dirname $0)
VITASTOR=$(realpath "$VITASTOR/..")

if [ -d /opt/rh/gcc-toolset-9 ]; then
    # CentOS 8
    EL=8
    . /opt/rh/gcc-toolset-9/enable
else
    # CentOS 7
    EL=7
    . /opt/rh/devtoolset-9/enable
fi
cd ~/rpmbuild/SPECS
rpmbuild -bp fio.spec
perl -i -pe 's/^make V=1/exit 0; make V=1/' qemu*.spec
rpmbuild -bc qemu*.spec
perl -i -pe 's/^exit 0; make V=1/make V=1/' qemu*.spec
cd ~/rpmbuild/BUILD/qemu*/
rm -rf $VITASTOR/qemu $VITASTOR/fio
mkdir -p $VITASTOR/qemu/b/qemu
make -j8 config-host.h
cp config-host.h $VITASTOR/qemu/b/qemu
cp -r include $VITASTOR/qemu
if [ -f qapi-schema.json ]; then
    # QEMU 2.0
    make qapi-types.h
    cp qapi-types.h $VITASTOR/qemu/b/qemu
else
    # QEMU 3.0+
    make qapi
    cp -r qapi $VITASTOR/qemu/b/qemu
fi
cd $VITASTOR
sh copy-qemu-includes.sh
rm -rf qemu
mv qemu-copy qemu
ln -s ~/rpmbuild/BUILD/fio*/ fio
sh copy-fio-includes.sh
rm fio
mv fio-copy fio
FIO=`rpm -qi fio | perl -e 'while(<>) { /^Epoch[\s:]+(\S+)/ && print "$1:"; /^Version[\s:]+(\S+)/ && print $1; /^Release[\s:]+(\S+)/ && print "-$1"; }'`
QEMU=`rpm -qi qemu qemu-kvm | perl -e 'while(<>) { /^Epoch[\s:]+(\S+)/ && print "$1:"; /^Version[\s:]+(\S+)/ && print $1; /^Release[\s:]+(\S+)/ && print "-$1"; }'`
perl -i -pe 's/(Requires:\s*fio)([^\n]+)?/$1 = '$FIO'/' $VITASTOR/rpm/vitastor-el$EL.spec
perl -i -pe 's/(Requires:\s*qemu(?:-kvm)?)([^\n]+)?/$1 = '$QEMU'/' $VITASTOR/rpm/vitastor-el$EL.spec
tar --transform 's#^#vitastor-0.5.13/#' --exclude 'rpm/*.rpm' -czf $VITASTOR/../vitastor-0.5.13$(rpm --eval '%dist').tar.gz *