nixpkgs/maintainers/scripts/eval-release.nix
Eelco Dolstra d62848cd2c * eval-release.nix: force nix-instantiate to include nested attribute
sets.

svn path=/nixpkgs/trunk/; revision=31500
2012-01-12 16:59:58 +00:00

32 lines
1,008 B
Nix
Raw Blame History

This file contains ambiguous Unicode characters

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

# Evaluate `release.nix' like Hydra would (i.e. call each job
# attribute with the expected `system' argument). Too bad
# nix-instantiate can't to do this.
with import ../../pkgs/lib;
let
rel = removeAttrs (import ../../pkgs/top-level/release.nix) [ "tarball" "xbursttools" ];
seqList = xs: res: fold (x: xs: seq x xs) res xs;
strictAttrs = as: seqList (attrValues as) as;
maybe = as: let y = builtins.tryEval (strictAttrs as); in if y.success then y.value else builtins.trace "FAIL" null;
call = attrs: flip mapAttrs attrs
(n: v: /* builtins.trace n */ (
if builtins.isFunction v then maybe (v { system = "i686-linux"; })
else if builtins.isAttrs v then call v
else null
));
# Add the recurseForDerivations attribute to ensure that
# nix-instantiate recurses into nested attribute sets.
recurse = attrs:
if isDerivation attrs
then attrs
else { recurseForDerivations = true; } // mapAttrs (n: v: recurse v) attrs;
in recurse (call rel)