leap="leap-42.1"
mint="mint-14.04.1"
suse="opensuse-13.2"
leap="leap-42.1"
mint="mint-14.04.1"
suse="opensuse-13.2"
-ub14="ubuntu-14.04.1"
-ub15="ubuntu-15.10"
+ub14="ub14.04.1"
+ub15="ub15.10"
ubuntu="ubuntu-14.04.1"
eval os="\${$dir}"
ubuntu="ubuntu-14.04.1"
eval os="\${$dir}"