How to download and setup spackenv
Open terminal and run command
git clone https://github.com/robertdfrench/spackenv.git
git clone is used to create a copy or clone of spackenv repositories.
You pass git clone a repository URL. it supports a few different network protocols and corresponding URL formats.
Also you may download zip file with spackenv https://github.com/robertdfrench/spackenv/archive/master.zip
Or simply clone spackenv with SSH
[email protected]:robertdfrench/spackenv.git