Created
October 20, 2017 09:58
-
-
Save expipiplus1/abe8feb26686cfcf2a867f7db555359d to your computer and use it in GitHub Desktop.
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
#!/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 | |
} | |
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() { | |
type "$1" > /dev/null 2>&1 || which "$1" > /dev/null 2>&1 || | |
oops "you do not have '$1' installed, which I need to $2" | |
} | |
hash=b8abd530a613753bf534669fe2b90c49acf963d6300062850867adfcd928a9d3 | |
url="http://hydra.earthtools.ca/build/44193/download/1/nix-1.11.4pre1234_abcdef-armv7l-linux.tar.bz2" | |
tarball="$tmpDir/$(basename "$tmpDir/nix-1.11.8-$system.tar.bz2")" | |
require_util curl "download the binary tarball" | |
require_util bzcat "decompress the binary tarball" | |
require_util tar "unpack the binary tarball" | |
echo "downloading Nix 1.11.8 binary tarball for $system from '$url' to '$tmpDir'..." | |
curl -L "$url" -o "$tarball" || oops "failed to download '$url'" | |
if type sha256sum > /dev/null 2>&1; then | |
hash2="$(sha256sum -b "$tarball" | cut -c1-64)" | |
elif type shasum > /dev/null 2>&1; then | |
hash2="$(shasum -a 256 -b "$tarball" | cut -c1-64)" | |
elif type 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 "$unpack" | |
< "$tarball" bzcat | tar x -C "$unpack" || oops "failed to unpack '$url'" | |
script=$(echo "$unpack"/*/install) | |
[ -e "$script" ] || oops "installation script is missing from the binary tarball!" | |
"$script" | |
} # End of wrapping |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment