forked from lix-project/lix
108 lines
3.3 KiB
Bash
Executable file
108 lines
3.3 KiB
Bash
Executable file
#!/bin/sh
|
|
|
|
# This script installs the Nix package manager on your system by
|
|
# downloading a binary distribution and running its installer script
|
|
# (which in turn creates and populates /nix).
|
|
|
|
{ # Prevent execution if this script was only partially downloaded
|
|
oops() {
|
|
echo "$0:" "$@" >&2
|
|
exit 1
|
|
}
|
|
|
|
umask 0022
|
|
|
|
tmpDir="$(mktemp -d -t nix-binary-tarball-unpack.XXXXXXXXXX || \
|
|
oops "Can't create temporary directory for downloading the Nix binary tarball")"
|
|
cleanup() {
|
|
rm -rf "$tmpDir"
|
|
}
|
|
trap cleanup EXIT INT QUIT TERM
|
|
|
|
require_util() {
|
|
command -v "$1" > /dev/null 2>&1 ||
|
|
oops "you do not have '$1' installed, which I need to $2"
|
|
}
|
|
|
|
case "$(uname -s).$(uname -m)" in
|
|
Linux.x86_64)
|
|
hash=@tarballHash_x86_64-linux@
|
|
path=@tarballPath_x86_64-linux@
|
|
system=x86_64-linux
|
|
;;
|
|
Linux.i?86)
|
|
hash=@tarballHash_i686-linux@
|
|
path=@tarballPath_i686-linux@
|
|
system=i686-linux
|
|
;;
|
|
Linux.aarch64)
|
|
hash=@tarballHash_aarch64-linux@
|
|
path=@tarballPath_aarch64-linux@
|
|
system=aarch64-linux
|
|
;;
|
|
Darwin.x86_64)
|
|
hash=@tarballHash_x86_64-darwin@
|
|
path=@tarballPath_x86_64-darwin@
|
|
system=x86_64-darwin
|
|
;;
|
|
Darwin.arm64|Darwin.aarch64)
|
|
# check for Rosetta 2 support
|
|
if ! [ -f /Library/Apple/System/Library/LaunchDaemons/com.apple.oahd.plist ]; then
|
|
oops "Rosetta 2 is not installed on this ARM64 macOS machine. Run softwareupdate --install-rosetta then restart installation"
|
|
fi
|
|
|
|
hash=@binaryTarball_x86_64-darwin@
|
|
path=@tarballPath_x86_64-darwin@
|
|
# eventually maybe: aarch64-darwin
|
|
system=x86_64-darwin
|
|
;;
|
|
*) oops "sorry, there is no binary distribution of Nix for your platform";;
|
|
esac
|
|
|
|
# Use this command-line option to fetch the tarballs using nar-serve or Cachix
|
|
if [ "${1:-}" = "--tarball-url-prefix" ]; then
|
|
if [ -z "${2:-}" ]; then
|
|
oops "missing argument for --tarball-url-prefix"
|
|
fi
|
|
url=${2}/${path}
|
|
shift 2
|
|
else
|
|
url=https://releases.nixos.org/nix/nix-@nixVersion@/nix-@nixVersion@-$system.tar.xz
|
|
fi
|
|
|
|
tarball=$tmpDir/nix-@nixVersion@-$system.tar.xz
|
|
|
|
require_util curl "download the binary tarball"
|
|
require_util tar "unpack the binary tarball"
|
|
if [ "$(uname -s)" != "Darwin" ]; then
|
|
require_util xz "unpack the binary tarball"
|
|
fi
|
|
|
|
echo "downloading Nix @nixVersion@ binary tarball for $system from '$url' to '$tmpDir'..."
|
|
curl -L "$url" -o "$tarball" || oops "failed to download '$url'"
|
|
|
|
if command -v sha256sum > /dev/null 2>&1; then
|
|
hash2="$(sha256sum -b "$tarball" | cut -c1-64)"
|
|
elif command -v shasum > /dev/null 2>&1; then
|
|
hash2="$(shasum -a 256 -b "$tarball" | cut -c1-64)"
|
|
elif command -v openssl > /dev/null 2>&1; then
|
|
hash2="$(openssl dgst -r -sha256 "$tarball" | cut -c1-64)"
|
|
else
|
|
oops "cannot verify the SHA-256 hash of '$url'; you need one of 'shasum', 'sha256sum', or 'openssl'"
|
|
fi
|
|
|
|
if [ "$hash" != "$hash2" ]; then
|
|
oops "SHA-256 hash mismatch in '$url'; expected $hash, got $hash2"
|
|
fi
|
|
|
|
unpack=$tmpDir/unpack
|
|
mkdir -p "$unpack"
|
|
tar -xJf "$tarball" -C "$unpack" || oops "failed to unpack '$url'"
|
|
|
|
script=$(echo "$unpack"/*/install)
|
|
|
|
[ -e "$script" ] || oops "installation script is missing from the binary tarball!"
|
|
export INVOKED_FROM_INSTALL_IN=1
|
|
"$script" "$@"
|
|
|
|
} # End of wrapping
|