1
0
Fork 1
mirror of https://github.com/NixOS/nixpkgs.git synced 2024-12-01 10:00:56 +00:00
nixpkgs/pkgs/build-support/upstream-updater/attrset-to-dir.sh
2012-07-07 20:11:06 +04:00

22 lines
620 B
Bash
Executable file

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