forked from lix-project/lix
![Matthew Bauer](/assets/img/avatar_default.png)
gnu-config standardized on aarch64 for machine name so host_cpu part of $system will always be aarch64. That means system will be aarch64-darwin too. uname however could report either “aarch64” (if gnu coreutils) or “arm64” (if apple’s uname). We should support both for compatiblity here.
109 lines
3.3 KiB
Bash
Executable file
109 lines
3.3 KiB
Bash
Executable file
#!/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=@tarballHash_x86_64-linux@
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path=@tarballPath_x86_64-linux@
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system=x86_64-linux
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;;
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Linux.i?86)
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hash=@tarballHash_i686-linux@
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path=@tarballPath_i686-linux@
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system=i686-linux
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;;
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Linux.aarch64)
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hash=@tarballHash_aarch64-linux@
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path=@tarballPath_aarch64-linux@
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system=aarch64-linux
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;;
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Darwin.x86_64)
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hash=@tarballHash_x86_64-darwin@
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path=@tarballPath_x86_64-darwin@
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system=x86_64-darwin
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;;
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Darwin.arm64|Darwin.aarch64)
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# check for Rosetta 2 support
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if ! [ -d /Library/Apple/usr/libexec/oah ]; then
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oops "Rosetta 2 is not installed on this ARM64 macOS machine. Run softwareupdate --install-rosetta then restart installation"
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fi
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hash=@binaryTarball_x86_64-darwin@
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path=@tarballPath_x86_64-darwin@
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# eventually maybe: aarch64-darwin
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system=x86_64-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}/${path}
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shift 2
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else
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url=https://releases.nixos.org/nix/nix-@nixVersion@/nix-@nixVersion@-$system.tar.xz
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fi
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tarball=$tmpDir/nix-@nixVersion@-$system.tar.xz
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require_util curl "download the binary tarball"
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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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echo "downloading Nix @nixVersion@ 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 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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