Scripts like that need to be able to recover from a very wide range of error modes caused by subtle differences in how target machines are setup - or at least f

Scripts like that need to be able to recover from a very wide range of error modes caused by subtle differences in how target machines are setup - or at least fail in a reasonably obvious way. Writing such a script is significantly more time consuming than writing a README, and for it to be worth the effort, it should be expected to save a fairly high multiple of the time it takes to write, debug and support. For GitHub, that multiple is definitely very high, for Patrick, it might not even be greater than one. YMMV.