120 lines
4 KiB
Bash
120 lines
4 KiB
Bash
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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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umask 0022
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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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command -v "$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)
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hash=1bdf98f951ce82ad1a12b9e6874f5858cb2aa2e402907e8c3079d8482cb8430b
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path=dw0gkcqnig9qwyhkrq0sjrzai63zi6wy/nix-2.15.0-x86_64-linux.tar.xz
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system=x86_64-linux
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;;
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Linux.i?86)
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hash=c868bed9bfff72a363b1a41f95bce971f8ccca111e5e3c9f8e2fa5e9bde91f75
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path=ayl7z135hkqhf4px5pacv47b4njqb9yj/nix-2.15.0-i686-linux.tar.xz
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system=i686-linux
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;;
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Linux.aarch64)
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hash=3a08669bf8d27b5994fceb2bc4653fddab189832a8bd111d013591862eb45961
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path=26zpxva102pm9jz8nkb391ws3c7six2j/nix-2.15.0-aarch64-linux.tar.xz
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system=aarch64-linux
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;;
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Linux.armv6l)
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hash=88736c6fda47d2c244d38ec81250111263c6756a5c9e5232fb56d5e1245f3aae
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path=1m9il80f2y41qsarmarf3dkb23ryg2h8/nix-2.15.0-armv6l-linux.tar.xz
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system=armv6l-linux
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;;
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Linux.armv7l)
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hash=44010bc59ad7504274533daf5d23d6773a286c5b7ac87960d330cc0580149462
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path=v2z7fhd4rq2n5s2svdk2dh6mf112w7ca/nix-2.15.0-armv7l-linux.tar.xz
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system=armv7l-linux
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;;
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Darwin.x86_64)
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hash=d8b6a6e89f82113fcbce3d946fa501d5d2cf7cb35c88fb2017f3c12ef8392e7d
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path=m01jb6iyf73jiyzdn6vfap8da347nmwf/nix-2.15.0-x86_64-darwin.tar.xz
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system=x86_64-darwin
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;;
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Darwin.arm64|Darwin.aarch64)
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hash=2d4a8060e12077f174e0635ec06d94daeee0460166165414698dfdf0ef87915a
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path=aa9fsy71mdsqp6kgf5sag6kv50zavhj5/nix-2.15.0-aarch64-darwin.tar.xz
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system=aarch64-darwin
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;;
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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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# Use this command-line option to fetch the tarballs using nar-serve or Cachix
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if [ "${1:-}" = "--tarball-url-prefix" ]; then
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if [ -z "${2:-}" ]; then
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oops "missing argument for --tarball-url-prefix"
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fi
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url=${2}/${path}
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shift 2
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else
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url=https://releases.nixos.org/nix/nix-2.15.0/nix-2.15.0-$system.tar.xz
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fi
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tarball=$tmpDir/nix-2.15.0-$system.tar.xz
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require_util tar "unpack the binary tarball"
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if [ "$(uname -s)" != "Darwin" ]; then
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require_util xz "unpack the binary tarball"
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fi
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if command -v curl > /dev/null 2>&1; then
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fetch() { curl --fail -L "$1" -o "$2"; }
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elif command -v wget > /dev/null 2>&1; then
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fetch() { wget "$1" -O "$2"; }
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else
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oops "you don't have wget or curl installed, which I need to download the binary tarball"
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fi
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echo "downloading Nix 2.15.0 binary tarball for $system from '$url' to '$tmpDir'..."
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fetch "$url" "$tarball" || oops "failed to download '$url'"
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if command -v sha256sum > /dev/null 2>&1; then
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hash2="$(sha256sum -b "$tarball" | cut -c1-64)"
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elif command -v shasum > /dev/null 2>&1; then
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hash2="$(shasum -a 256 -b "$tarball" | cut -c1-64)"
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elif command -v 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 "$unpack"
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tar -xJf "$tarball" -C "$unpack" || oops "failed to unpack '$url'"
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script=$(echo "$unpack"/*/install)
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[ -e "$script" ] || oops "installation script is missing from the binary tarball!"
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export INVOKED_FROM_INSTALL_IN=1
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"$script" "$@"
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} # End of wrapping
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