diff options
| -rw-r--r-- | corepkgs/fetchurl.nix | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/corepkgs/fetchurl.nix b/corepkgs/fetchurl.nix index 39b9dd5082e3..4faedb14062a 100644 --- a/corepkgs/fetchurl.nix +++ b/corepkgs/fetchurl.nix @@ -34,4 +34,12 @@ derivation { # Don't build in a chroot because Nix's dependencies may not be there. __noChroot = true; + + impureEnvVars = [ + # We borrow these environment variables from the caller to allow + # easy proxy configuration. This is impure, but a fixed-output + # derivation like fetchurl is allowed to do so since its result is + # by definition pure. + "http_proxy" "https_proxy" "ftp_proxy" "all_proxy" "no_proxy" + ]; } |