version=3
opts=passive,\
dversionmangle=s/\+(debian|dfsg|ds|deb)\d*$// \
ftp://ftp.soest.hawaii.edu/dcw/ \
(?:|.*/)dcw-gmt(?:[_\-]v?|)(\d[^\s/]*)\.(?:tar\.xz|txz|tar\.bz2|tbz2|tar\.gz|tgz)
