tools/dev/bin/onos-build-selective-hook

#!/bin/bash
#------------------------------------------------------------------------------
# Echoes project-level directory if a Java file within is newer than the
# target directory.
#------------------------------------------------------------------------------

javaFile=${1#*\/src\/*\/java/}
basename=${1/*\//}

[ $basename = "package-info.java" ] && exit 0

src=${1/$javaFile/}
project=${src/src*/}
target=$project/target

[ $target -nt ${src}$javaFile ] || echo ${src/src*/}