forked from mirrors/nixpkgs
33 lines
1.1 KiB
Nix
33 lines
1.1 KiB
Nix
# Evaluate `release.nix' like Hydra would (i.e. call each job
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# attribute with the expected `system' argument). Too bad
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# nix-instantiate can't to do this.
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with import ../../pkgs/lib;
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let
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trace = if (builtins.getEnv "VERBOSE") == "1" then builtins.trace else (x: y: y);
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rel = removeAttrs (import ../../pkgs/top-level/release.nix) [ "tarball" "xbursttools" ];
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seqList = xs: res: fold (x: xs: seq x xs) res xs;
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strictAttrs = as: seqList (attrValues as) as;
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maybe = as: let y = builtins.tryEval (strictAttrs as); in if y.success then y.value else builtins.trace "FAIL" null;
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call = attrs: flip mapAttrs attrs
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(n: v: trace n (
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if builtins.isFunction v then maybe (v { system = "i686-linux"; })
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else if builtins.isAttrs v then call v
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else null
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));
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# Add the ‘recurseForDerivations’ attribute to ensure that
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# nix-instantiate recurses into nested attribute sets.
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recurse = attrs:
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if isDerivation attrs
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then attrs
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else { recurseForDerivations = true; } // mapAttrs (n: v: recurse v) attrs;
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in recurse (call rel)
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