Subversion Repositories DevTools

#

#   Receive a symlink to a package

#   Script run by ssh create a symlink to a package version

#   Works in bash and dash

#

#set -x

set -e

error() {

    echo ERROR: $*

    exit 1;

}

delete_dir() {

    if [ -d "$1" ] ; then

            chmod -R u+w "$1"

            rm -rf "$1"

    fi

}

# User options

while getopts D arg ; do

    case $arg in

        D) set -x ;;

        *) error Unknown option: $arg ;;

    esac

done

shift $(($OPTIND - 1))

# User arguments

pname=${1:?Need file name}

pver=${2:?Need package version}

tver=${3:?Need target package version}

dpkg="dpkg_archive"

[ -d $dpkg ] || error dpkg_archive not found

dpkg="dpkg_archive"

[ -d $dpkg ] || error dpkg_archive not found

#

#   Names of working directories

#

realdir="$dpkg/${pname}/${pver}"

newdir="$dpkg/${pname}/${pver}.NEW.TMPDIR"

olddir="$dpkg/${pname}/${pver}.OLD.TMPDIR"

pkgdir="$dpkg/${pname}"

#

#   Create package directory

#   Ensure its writable

mkdir -p "$pkgdir"

chmod u+w "$pkgdir"

#

#   Delete possible tmp directory

delete_dir "$newdir"

delete_dir "$olddir"

#

#   Create the temp symlink

#

ln -s "$tver" "$newdir"

#

#   Swap in the new directory - minimize disruption

#   Then delete the old

#

if [ -d "$realdir" ] ; then

    mv "$realdir" "$olddir"

fi

mv "$newdir" "$realdir"

#   Delete the original directory

delete_dir "$olddir"

# Fix up permissions on the package and package-version

chmod a-w "$pkgdir"