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nixos-option: Print the outPath of derivation for option values.

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This commit is contained in:
Nicolas B. Pierron 2014-12-19 22:33:24 +01:00
parent d15cd4875f
commit 9db6a84f0b
1 changed files with 12 additions and 1 deletions
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13
nixos/modules/installer/tools/nixos-option.sh
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@ -76,7 +76,18 @@ evalAttr(){
local prefix="$1" local prefix="$1"
local strict="$2" local strict="$2"
local suffix="$3" local suffix="$3"
echo "(import <nixos> {}).$prefix${option:+.$option}${suffix:+.$suffix}" | evalNix ${strict:+--strict} evalNix ${strict:+--strict} <<EOF
let
reach = attrs: attrs${option:+.$option}${suffix:+.$suffix};
nixos = import <nixos> {};
nixpkgs = import <nixpkgs> {};
cleanOutput = x: with nixpkgs.lib;
if isDerivation x then x.outPath
else if isFunction x then "<CODE>"
else x;
in
cleanOutput (reach nixos.$prefix)
EOF
} }
evalOpt(){ evalOpt(){