Daiderd Jordan 66fccd5832 build: fix sandboxing on darwin ...

Starting ba87b08f85 getEnv now returns an
std::optional which means these getEnv() != "" conditions no longer happen
if the variables are not defined.

2020-01-05 20:23:52 +01:00

..

nix-prefetch-url.cc

build: fix sandboxing on darwin

2020-01-05 20:23:52 +01:00