SOURCE_URL=https://github.com/roundcube/roundcubemail/releases/download/1.6.1/roundcubemail-1.6.1.tar.gz.asc
SOURCE_SUM=6c4700ab539f7e47f1ae1974d5ba851ded1e5c1e35efde957547283e5a765929
SOURCE_SUM_PRG=sha256sum
SOURCE_FORMAT=tar.gz
SOURCE_IN_SUBDIR=true