directory
/home/eelco/src/stdenv-updates
that you want to use as the directory for import such as
with (import <nixpkgs> { });
then you can say
$ nix-build -I nixpkgs=/home/eelco/src/stdenv-updates
1 line
No EOL
43 B
Text
1 line
No EOL
43 B
Text
-I lang/dir1 -I lang/dir2 -I dir5=lang/dir3 |