#!/bin/sh

## Compare the version of the pkg we are installing against the version
## of the pkg that may already be installed and abort installation
## if a mismatch is detected. 

# Check for version of current package you are trying to install

currentVersion=`pkgparam -f ${INST_DATADIR}/${PKG}/pkginfo VERSION | awk -F, '{print $1}'`

# Check if package conflicts with a package version already installed on the system
# There could be instances of $PKG.2 $PKG.3 if there are multiple versions installed.

for pkgs in `pkginfo | grep -w ${PKG} | awk -F' ', '{print $2}'`
do
existingVersion=`pkgparam -f ${PKG_INSTALL_ROOT}/var/sadm/pkg/${pkgs}/pkginfo VERSION | awk -F, '{print $1}'`
if [ ${existingVersion} -ne ${currentVersion} ]; then
echo "Note: SunVTS ${existingVersion} is already installed on this host. Simultaneous execution of more than one version of SunVTS is not supported. Only one version of the tool should be run at one time."
sleep 6
fi
done