182 lines
4.8 KiB
Bash
182 lines
4.8 KiB
Bash
#!/bin/sh
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set -e
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dest="/nix"
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self="$(dirname "$0")"
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nix="@nix@"
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cacert="@cacert@"
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if ! [ -e "$self/.reginfo" ]; then
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echo "$0: incomplete installer (.reginfo is missing)" >&2
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fi
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if [ -z "$USER" ]; then
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echo "$0: \$USER is not set" >&2
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exit 1
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fi
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if [ -z "$HOME" ]; then
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echo "$0: \$HOME is not set" >&2
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exit 1
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fi
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# macOS support for 10.10 or higher
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if [ "$(uname -s)" = "Darwin" ]; then
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if [ $(($(sw_vers -productVersion | cut -d '.' -f 2))) -lt 10 ]; then
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echo "$0: macOS $(sw_vers -productVersion) is not supported, upgrade to 10.10 or higher"
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exit 1
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fi
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fi
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# Determine if we should punt to the single-user installer or not
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if [ "$(uname -s)" = "Darwin" ]; then
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INSTALL_MODE=daemon
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elif [ "$(uname -s)" = "Linux" ] && [ -e /run/systemd/system ]; then
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INSTALL_MODE=daemon
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else
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INSTALL_MODE=no-daemon
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fi
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# Trivially handle the --daemon / --no-daemon options
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if [ "x${1:-}" = "x--no-daemon" ]; then
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INSTALL_MODE=no-daemon
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elif [ "x${1:-}" = "x--daemon" ]; then
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INSTALL_MODE=daemon
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elif [ "x${1:-}" != "x" ]; then
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(
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echo "Nix Installer [--daemon|--no-daemon]"
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echo ""
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echo " --daemon: Force the installer to use the Daemon"
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echo " based installer, even though it may not"
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echo " work."
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echo ""
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echo " --no-daemon: Force a no-daemon, single-user"
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echo " installation even when the preferred"
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echo " method is with the daemon."
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echo ""
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) >&2
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exit
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fi
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if [ "$INSTALL_MODE" = "daemon" ]; then
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printf '\e[1;31mSwitching to the Daemon-based Installer\e[0m\n'
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exec "$self/install-multi-user"
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exit 0
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fi
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if [ "$(id -u)" -eq 0 ]; then
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printf '\e[1;31mwarning: installing Nix as root is not supported by this script!\e[0m\n'
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fi
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echo "performing a single-user installation of Nix..." >&2
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if ! [ -e $dest ]; then
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cmd="mkdir -m 0755 $dest && chown $USER $dest"
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echo "directory $dest does not exist; creating it by running '$cmd' using sudo" >&2
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if ! sudo sh -c "$cmd"; then
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echo "$0: please manually run '$cmd' as root to create $dest" >&2
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exit 1
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fi
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fi
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if ! [ -w $dest ]; then
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echo "$0: directory $dest exists, but is not writable by you. This could indicate that another user has already performed a single-user installation of Nix on this system. If you wish to enable multi-user support see http://nixos.org/nix/manual/#ssec-multi-user. If you wish to continue with a single-user install for $USER please run 'chown -R $USER $dest' as root." >&2
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exit 1
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fi
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mkdir -p $dest/store
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printf "copying Nix to %s..." "${dest}/store" >&2
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for i in $(cd "$self/store" >/dev/null && echo ./*); do
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printf "." >&2
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i_tmp="$dest/store/$i.$$"
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if [ -e "$i_tmp" ]; then
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rm -rf "$i_tmp"
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fi
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if ! [ -e "$dest/store/$i" ]; then
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cp -Rp "$self/store/$i" "$i_tmp"
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chmod -R a-w "$i_tmp"
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chmod +w "$i_tmp"
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mv "$i_tmp" "$dest/store/$i"
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chmod -w "$dest/store/$i"
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fi
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done
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echo "" >&2
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echo "initialising Nix database..." >&2
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if ! $nix/bin/nix-store --init; then
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echo "$0: failed to initialize the Nix database" >&2
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exit 1
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fi
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if ! "$nix/bin/nix-store" --load-db < "$self/.reginfo"; then
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echo "$0: unable to register valid paths" >&2
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exit 1
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fi
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. "$nix/etc/profile.d/nix.sh"
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if ! "$nix/bin/nix-env" -i "$nix"; then
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echo "$0: unable to install Nix into your default profile" >&2
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exit 1
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fi
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# Install an SSL certificate bundle.
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if [ -z "$NIX_SSL_CERT_FILE" ] || ! [ -f "$NIX_SSL_CERT_FILE" ]; then
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$nix/bin/nix-env -i "$cacert"
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export NIX_SSL_CERT_FILE="$HOME/.nix-profile/etc/ssl/certs/ca-bundle.crt"
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fi
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# Subscribe the user to the Nixpkgs channel and fetch it.
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if ! $nix/bin/nix-channel --list | grep -q "^nixpkgs "; then
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$nix/bin/nix-channel --add https://nixos.org/channels/nixpkgs-unstable
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fi
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if [ -z "$_NIX_INSTALLER_TEST" ]; then
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$nix/bin/nix-channel --update nixpkgs
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fi
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added=
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if [ -z "$NIX_INSTALLER_NO_MODIFY_PROFILE" ]; then
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# Make the shell source nix.sh during login.
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p=$HOME/.nix-profile/etc/profile.d/nix.sh
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for i in .bash_profile .bash_login .profile; do
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fn="$HOME/$i"
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if [ -w "$fn" ]; then
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if ! grep -q "$p" "$fn"; then
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echo "modifying $fn..." >&2
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echo "if [ -e $p ]; then . $p; fi # added by Nix installer" >> "$fn"
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fi
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added=1
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break
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fi
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done
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fi
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if [ -z "$added" ]; then
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cat >&2 <<EOF
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Installation finished! To ensure that the necessary environment
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variables are set, please add the line
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. $p
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to your shell profile (e.g. ~/.profile).
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EOF
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else
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cat >&2 <<EOF
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Installation finished! To ensure that the necessary environment
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variables are set, either log in again, or type
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. $p
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in your shell.
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EOF
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fi
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