Follow the instructions from the releases page.
You'll need a Go dev environment and Docker.
From the releases page find out the next version number. Then, add the new version number to the cmd/version.go file and build the binaries.
On GitHub, edit the latest release and change the tag name, the release name, the previous version for both download URLs and upload the new binaries.
The following commands will build the binaries into the build/ directory.
The first thing is to build the docker image used for cross compiling Windows and Linux binaries from Linux:
docker build -t izip .❗ Make sure the docker image is up to date.
docker run --rm -v $env:GOPATH/src/github.com/clns/izip-client:/go/src/github.com/clns/izip-client izip bash -c 'CGO_ENABLED=1 GOOS=windows GOARCH=amd64 CC=x86_64-w64-mingw32-gcc go build -o build/izip-Windows-x86_64.exe main.go'❗ Make sure the docker image is up to date.
docker run --rm -v $env:GOPATH/src/github.com/clns/izip-client:/go/src/github.com/clns/izip-client izip bash -c 'CGO_ENABLED=1 go build -o build/izip-Linux-x86_64 main.go'❗ Make sure the docker image is up to date.
Since OS X binary can't be built from a different platform, you'll have to be on an OS X machine to run the following command:
CGO_ENABLED=1 go build -o build/izip-Darwin-x86_64 main.go