Move installer script from nixos-homepage
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								scripts/install.in
									
										
									
									
									
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					#!/bin/sh
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					# This script installs the Nix package manager on your system by
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					# downloading a binary distribution and running its installer script
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					# (which in turn creates and populates /nix).
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					{ # Prevent execution if this script was only partially downloaded
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					oops() {
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					    echo "$0:" "$@" >&2
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					    exit 1
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					}
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					tmpDir="$(mktemp -d -t nix-binary-tarball-unpack.XXXXXXXXXX || \
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					          oops "Can\'t create temporary directory for downloading the Nix binary tarball")"
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					cleanup() {
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					    rm -rf "$tmpDir"
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					}
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					trap cleanup EXIT INT QUIT TERM
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					require_util() {
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					    type "$1" > /dev/null 2>&1 || which "$1" > /dev/null 2>&1 ||
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					        oops "you do not have '$1' installed, which I need to $2"
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					}
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					case "$(uname -s).$(uname -m)" in
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					    Linux.x86_64) system=x86_64-linux; hash=[%nix_hash_x86_64_linux%];;
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					    Linux.i?86) system=i686-linux; hash=[%nix_hash_i686_linux%];;
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					    Linux.aarch64) system=aarch64-linux; hash=[%nix_hash_aarch64_linux%];;
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					    Darwin.x86_64) system=x86_64-darwin; hash=[%nix_hash_x86_64_darwin%];;
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					    *) oops "sorry, there is no binary distribution of Nix for your platform";;
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					esac
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					url="https://nixos.org/releases/nix/nix-[%latestNixVersion%]/nix-[%latestNixVersion%]-$system.tar.bz2"
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					tarball="$tmpDir/$(basename "$tmpDir/nix-[%latestNixVersion%]-$system.tar.bz2")"
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					require_util curl "download the binary tarball"
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					require_util bzcat "decompress the binary tarball"
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					require_util tar "unpack the binary tarball"
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					echo "downloading Nix [%latestNixVersion%] binary tarball for $system from '$url' to '$tmpDir'..."
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					curl -L "$url" -o "$tarball" || oops "failed to download '$url'"
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					if type sha256sum > /dev/null 2>&1; then
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					    hash2="$(sha256sum -b "$tarball" | cut -c1-64)"
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					elif type shasum > /dev/null 2>&1; then
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					    hash2="$(shasum -a 256 -b "$tarball" | cut -c1-64)"
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					elif type openssl > /dev/null 2>&1; then
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					    hash2="$(openssl dgst -r -sha256 "$tarball" | cut -c1-64)"
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					else
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					    oops "cannot verify the SHA-256 hash of '$url'; you need one of 'shasum', 'sha256sum', or 'openssl'"
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					fi
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					if [ "$hash" != "$hash2" ]; then
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					    oops "SHA-256 hash mismatch in '$url'; expected $hash, got $hash2"
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					fi
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					unpack=$tmpDir/unpack
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					mkdir -p "$unpack"
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					< "$tarball" bzcat | tar -xf - -C "$unpack" || oops "failed to unpack '$url'"
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					script=$(echo "$unpack"/*/install)
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					[ -e "$script" ] || oops "installation script is missing from the binary tarball!"
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					"$script" "$@"
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					} # End of wrapping
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