mirror of
https://github.com/SebastianWendel/nixpkgs.git
synced 2024-09-22 05:19:00 +02:00
e98da673e4
This way, you can do things like git checkout channels/nixos-14.12 to get the latest tested and built version of NixOS.
61 lines
1.6 KiB
Nix
61 lines
1.6 KiB
Nix
# This module generates the nixos-checkout script, which performs a
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# checkout of the Nixpkgs Git repository.
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{ config, lib, pkgs, ... }:
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with lib;
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let
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nixosCheckout = pkgs.substituteAll {
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name = "nixos-checkout";
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dir = "bin";
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isExecutable = true;
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src = pkgs.writeScript "nixos-checkout"
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''
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#! ${pkgs.stdenv.shell} -e
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if [ "$1" == "-h" ] || [ "$1" == "--help" ]; then
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echo "Usage: `basename $0` [PREFIX]. See NixOS Manual for more info."
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exit 0
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fi
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prefix="$1"
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if [ -z "$prefix" ]; then prefix=/etc/nixos; fi
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mkdir -p "$prefix"
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cd "$prefix"
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if [ -z "$(type -P git)" ]; then
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echo "installing Git..."
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nix-env -iA nixos.pkgs.git || nix-env -i git
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fi
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# Move any old nixpkgs directories out of the way.
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backupTimestamp=$(date "+%Y%m%d%H%M%S")
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if [ -e nixpkgs -a ! -e nixpkgs/.git ]; then
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mv nixpkgs nixpkgs-$backupTimestamp
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fi
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# Check out the Nixpkgs sources.
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if ! [ -e nixpkgs/.git ]; then
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echo "Creating repository in $prefix/nixpkgs..."
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git init --quiet nixpkgs
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else
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echo "Updating repository in $prefix/nixpkgs..."
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fi
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cd nixpkgs
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git remote add origin git://github.com/NixOS/nixpkgs.git || true
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git remote add channels git://github.com/NixOS/nixpkgs-channels.git || true
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git remote set-url origin --push git@github.com:NixOS/nixpkgs.git
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git remote update
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git checkout master
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'';
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};
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in
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{
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environment.systemPackages = [ nixosCheckout ];
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}
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