version=4
opts="dversionmangle=auto, repacksuffix=+ds1, \
      filenamemangle=s/(?:.*)?v?(\d[\d\.]*)\.tar\.gz/fmtlib-$1.tar.gz/" \
 https://github.com/fmtlib/fmt/tags \
 (?:.*/)?v?(\d[\d\.]*)\.tar\.gz
