d5b36bdb58
This change makes the script consistent with the installation instructions while keeping wget as an alternative.
119 lines
3.5 KiB
Bash
Executable file
119 lines
3.5 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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Linux.armv6l_linux)
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hash=@tarballHash_armv6l-linux@
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path=@tarballPath_armv6l-linux@
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system=armv6l-linux
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;;
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Linux.armv7l_linux)
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hash=@tarballHash_armv7l-linux@
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path=@tarballPath_armv7l-linux@
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system=armv7l-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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hash=@tarballHash_aarch64-darwin@
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path=@tarballPath_aarch64-darwin@
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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}/${path}
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shift 2
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else
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url=https://releases.nixos.org/nix/nix-@nixVersion@/nix-@nixVersion@-$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 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 -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 @nixVersion@ 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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