lix/corepkgs/config.nix.in
Eelco Dolstra 0a2bee307b Make <nix/fetchurl.nix> a builtin builder
This ensures that 1) the derivation doesn't change when Nix changes;
2) the derivation closure doesn't contain Nix and its dependencies; 3)
we don't have to rely on ugly chroot hacks.
2015-07-20 04:38:46 +02:00

27 lines
657 B
Nix

let
fromEnv = var: def:
let val = builtins.getEnv var; in
if val != "" then val else def;
in rec {
perl = "@perl@";
shell = "@bash@";
coreutils = "@coreutils@";
bzip2 = "@bzip2@";
gzip = "@gzip@";
xz = "@xz@";
tar = "@tar@";
tarFlags = "@tarFlags@";
tr = "@tr@";
nixBinDir = fromEnv "NIX_BIN_DIR" "@bindir@";
nixPrefix = "@prefix@";
# If Nix is installed in the Nix store, then automatically add it as
# a dependency to the core packages. This ensures that they work
# properly in a chroot.
chrootDeps =
if dirOf nixPrefix == builtins.storeDir then
[ (builtins.storePath nixPrefix) ]
else
[ ];
}