SOURCE_URL=https://github.com/roundcube/roundcubemail/releases/download/1.4.9/roundcubemail-1.4.9.tar.gz SOURCE_SUM=8f9dabb01de4e80b9c9cbdf6b36107ef37e4e841c09d90aef526ce5e1402b430 SOURCE_SUM_PRG=sha256sum SOURCE_FORMAT=tar.gz SOURCE_IN_SUBDIR=true SOURCE_FILENAME=