# !/bin/sh
#set -x

version=$1
BaseDownloadNFSDir="/home/data/httpd/download.eclipse.org/rt/eclipselink"
DownloadDir=${BaseDownloadNFSDir}/nightly/${version}
buildir=/shared/rt/eclipselink


unset usage
usage() {
    echo " "
    echo "Usage: `basename $0` [version]"
    echo "  version  Name of version for which old builds will be cleaned."
}

unset validateVersion
validateVersion() {
    runVersion=$1

    cd ${BaseDownloadNFSDir}/nightly
    for validVersion in `ls -dr [0-9]*` ; do
        if [ "${validVersion}" = "${runVersion}" ] ; then
            echo "Version found. ${runVersion} valid..."
            valid=true
        fi
    done
    if [ ! "$valid" = "true" ] ; then
       echo "Version not present in nightly. '${runVersion}' isn't a valid or active version..."
       exit
    fi
}

##############################################
#
# MAIN
#
if [ \( -z "$version" \) -o \( "$version" = "" \) ] ; then
    usage
    exit
else
   validateVersion ${version}
   echo "Purging old builds of '${version}'..."
fi

cd ${buildir}
if [ "input" = "release" ]
then
    # When releasing clear all nightly builds
    num_builds=0
    num_p2_builds=0
    num_maven_builds=0
else
    num_builds=10
    num_p2_builds=5
    # Maven: 5 builds * 9 files/build = 45
    num_maven_files=45
fi

### Download Site ###
#      leave only the last 10 build dirs for the version on the download server
if [ -d ${DownloadDir} ] ; then
    index=0
    removed=0
    cd ${DownloadDir}
    for contentdir in `ls -dr [0-9]*` ; do
        index=`expr $index + 1`
        if [ $index -gt $num_builds ] ; then
            echo "Removing ${contentdir}..."
            rm -r $contentdir
            removed=`expr $removed + 1`
        fi
    done
    echo "Removed $removed directories from ${BaseDownloadNFSDir}/nightly/${version}."
else
    echo "No '${BaseDownloadNFSDir}/nightly/${version}' dir found!
    echo "    Assuming invalid version number, and aborting clean.
    exit
fi

### P2 Site ###
#      leave only the last "num_p2_builds" builds for the version in the nightly P2 repos
index=0
removed=0
cd ${BaseDownloadNFSDir}/nightly-updates
for contentdir in `ls -dr ${version}*` ; do
    index=`expr $index + 1`
    if [ $index -gt $num_p2_builds ] ; then
        echo "Removing ${contentdir}..."
        rm -r $contentdir
        removed=`expr $removed + 1`
    fi
done
echo "Removed $removed direcories from ${BaseDownloadNFSDir}/nightly-updates."

echo "TODO: Need to verify the "correct" way to clean the maven repo of old SNAPSHOTs"
echo "Hit the fullstop!"
exit
### Maven Site ###
#      leave only last 5 days worth of files in the maven repository
cd ${BaseDownloadNFSDir}/maven.repo/org/eclipse/persistence
for mvncomp in `ls -d *eclipse*` ; do
    index=0
    removed=0
    cd ${BaseDownloadNFSDir}/maven.repo/org/eclipse/persistence/${mvncomp}/${version}-SNAPSHOT
    for mvnfile in `ls -r ${mvncomp}*.*` ; do
        index=`expr $index + 1`
        if [ $index -gt $num_maven_files ] ; then
           echo "Removing ${mvnfile}..."
           rm $mvnfile
           removed=`expr $removed + 1`
        fi
    done
    echo "Removed $removed files from ${BaseDownloadNFSDir}/maven.repo/org/eclipse/persistence/${mvncomp}/${version}-SNAPSHOT."
done
cd ${buildir}