forked from mirrors/nixpkgs
22 lines
620 B
Bash
Executable file
22 lines
620 B
Bash
Executable file
#! /bin/sh
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[ -n "$2" ] && NIXPKGS_ALL="$2";
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[ -z "$NIXPKGS_ALL" ] && [ -f "/etc/nixos/nixpkgs" ] && NIXPKGS_ALL="/etc/nixos/nixpkgs";
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[ -z "$NIXPKGS_ALL" ] && [ -f "$HOME/nixpkgs" ] && NIXPKGS_ALL="$HOME/nixpkgs";
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[ -z "$NIXPKGS_ALL" ] && {
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echo "Cannot find Nixpkgs source. Please specify it via NIXPKGS_ALL or second command line argument"
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exit 1
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};
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derivation="$(nix-instantiate --show-trace - << EOF
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let
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pkgs = import "${NIXPKGS_ALL}" {};
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attrSet = import "${1}";
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in
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pkgs.attrSetToDir attrSet
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EOF
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)"
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echo "Derivation is: $derivation" >&2
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output="$(nix-store -r "$derivation")"
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echo "$output/attributes"
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