gistfile1.txt

set -ex
export LC_ALL=C

TOPDIR=$PWD/rpms
ROOT=$PWD/root
REPO="$TOPDIR"

setup() {
rm -rf "$TOPDIR" "$ROOT"

rpmbuild -ba -D "_topdir $TOPDIR" /dev/stdin <<EOS
%define ver_image 1.0
%define ver_placeholder 0.9

Name:           rhv-image
Version:        %{ver_image}
Release:        1%{?dist}
Summary:        foo
License:        foo
Provides:       rhv-placeholder = %{version}-%{release}
Obsoletes:      rhv-placeholder < %{version}-%{release}
Provides:       node-image = %{version}-%{release}
Obsoletes:      node-image < %{version}-%{release}
%files
%description
asdasd

%package -n rhv-placeholder
Version:        %{ver_placeholder}
Release:        %{release}
Summary:        foo
# Option b) - Uncomment this next line
#Provides:       node-image = %{ver_placeholder}-%{release}
%files -n rhv-placeholder
%description -n rhv-placeholder
asdasd

# option b) - Comment out all the next lines
%package -n node-image
Version:        %{ver_placeholder}
Release:        %{release}
Summary:        foo
%files -n node-image
%description -n node-image
asdasd

%changelog
* Fri Jul 22 2016 Fabian <f@d.de> - 1.0-1
- Init
EOS

rpmdb --root=$ROOT --initdb
urpm() { rpm --root=$ROOT $@ ; }

pushd $REPO ; createrepo . ; popd

uyum() { sudo -E yum --installroot="$ROOT" --disablerepo=* --repofrompath u,"file://$REPO" --enablerepo=u $@ ; }
uyum search rhv node


PLACEHOLDERS="$(find $TOPDIR -name \*placeholder\*.rpm -or -name node-image\*.rpm)"
IMAGE="$(find $TOPDIR -name rhv-image\*.rpm)"
}

LOGFILE=flow.log
:> $LOGFILE
log() { echo -e "---\n$@" >> $LOGFILE ; }

try_yum() {
log "Initial db: $(urpm -qa)"
uyum install -y rhv-placeholder node-image
log "Post-install db: \n$(urpm -qa)"
# check if rhv-image is in the checked-updates
if uyum check-update node-image | grep rhv-image ; then
log "check-update passed"
else
log "FAILED CHECK-UPDATE - No update was suggested"
fi
uyum update -y node-image || echo "FAILED UPDATE"
log "Post-update db: \n$(urpm -qa)"
}


{
setup
try_yum
} #>/dev/null 2>/dev/null

cat $LOGFILE