Using wrapProgram makes so that the generated "awesome" wrapper duplicates its
command line options at every restart.
As @psychon puts it:
> AwesomeWM restarts via execvp(argv[0], argv). In NixOS, wrapProgram is used
> to generate a wrapper around the real binary. wrapProgram calls makeWrapper
> with --argv0 '$0'. I guess this is what makes awesomeWM run the wrapper again
> on restart. Without this --argv0 awesomeWM would directly restart itself
> instead of the wrapper, I think.
88f84c08d7