Following code worked to download latest devel release. I tested it several times and it has been merged to wandbox. curl -s https://api.github.com/repos/nim-lang/nightlies/releases | \ grep -m 1 "\"browser_download_url\": \"https://github.com/nim-lang/nightlies/releases/download/\(.*\W\)\?devel\W.*-linux\.tar\.xz\"" | \ sed -E 's/.*"browser_download_url\": \"([^"]+)\"/\1/' | \ wget -qi - -O nim.tar.xz Run
Here is a script to download and build nighly release Nim. [https://github.com/melpon/wandbox-builder/blob/master/build/nim-head/install.sh](https://github.com/melpon/wandbox-builder/blob/master/build/nim-head/install.sh)