mirror of
https://github.com/privatevoid-net/nix-super.git
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2384d36083
XDG Base Directory is a standard for locations for storing various files. Nix has a few files which seem to fit in the standard, but currently use a custom location directly in the user's ~, polluting it: - ~/.nix-profile - ~/.nix-defexpr - ~/.nix-channels This commit adds a config option (use-xdg-base-directories) to follow the XDG spec and instead use the following locations: - $XDG_STATE_HOME/nix/profile - $XDG_STATE_HOME/nix/defexpr - $XDG_STATE_HOME/nix/channels If $XDG_STATE_HOME is not set, it is assumed to be ~/.local/state. Co-authored-by: Théophane Hufschmitt <7226587+thufschmitt@users.noreply.github.com> Co-authored-by: Tim Fenney <kodekata@gmail.com> Co-authored-by: pasqui23 <pasqui23@users.noreply.github.com> Co-authored-by: Artturin <Artturin@artturin.com> Co-authored-by: John Ericson <Ericson2314@Yahoo.com>
285 lines
9 KiB
Bash
285 lines
9 KiB
Bash
#!/bin/sh
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set -e
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umask 0022
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dest="/nix"
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self="$(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" ] && ! USER=$(id -u -n); 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 "$0: \$HOME is not set" >&2
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exit 1
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fi
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# macOS support for 10.12.6 or higher
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if [ "$(uname -s)" = "Darwin" ]; then
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IFS='.' read -r macos_major macos_minor macos_patch << EOF
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$(sw_vers -productVersion)
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EOF
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if [ "$macos_major" -lt 10 ] || { [ "$macos_major" -eq 10 ] && [ "$macos_minor" -lt 12 ]; } || { [ "$macos_minor" -eq 12 ] && [ "$macos_patch" -lt 6 ]; }; then
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# patch may not be present; command substitution for simplicity
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echo "$0: macOS $(sw_vers -productVersion) is not supported, upgrade to 10.12.6 or higher"
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exit 1
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fi
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fi
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# Determine if we could use the multi-user installer or not
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if [ "$(uname -s)" = "Linux" ]; then
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echo "Note: a multi-user installation is possible. See https://nixos.org/manual/nix/stable/installation/installing-binary.html#multi-user-installation" >&2
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fi
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case "$(uname -s)" in
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"Darwin")
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INSTALL_MODE=daemon;;
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*)
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INSTALL_MODE=no-daemon;;
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esac
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# space-separated string
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ACTIONS=
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# handle the command line flags
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while [ $# -gt 0 ]; do
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case $1 in
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--daemon)
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INSTALL_MODE=daemon
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ACTIONS="${ACTIONS}install "
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;;
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--no-daemon)
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if [ "$(uname -s)" = "Darwin" ]; then
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printf '\e[1;31mError: --no-daemon installs are no-longer supported on Darwin/macOS!\e[0m\n' >&2
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exit 1
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fi
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INSTALL_MODE=no-daemon
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# intentional tail space
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ACTIONS="${ACTIONS}install "
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;;
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# --uninstall)
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# # intentional tail space
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# ACTIONS="${ACTIONS}uninstall "
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# ;;
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--yes)
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export NIX_INSTALLER_YES=1;;
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--no-channel-add)
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export NIX_INSTALLER_NO_CHANNEL_ADD=1;;
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--daemon-user-count)
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export NIX_USER_COUNT=$2
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shift;;
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--no-modify-profile)
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NIX_INSTALLER_NO_MODIFY_PROFILE=1;;
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--darwin-use-unencrypted-nix-store-volume)
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{
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echo "Warning: the flag --darwin-use-unencrypted-nix-store-volume"
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echo " is no longer needed and will be removed in the future."
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echo ""
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} >&2;;
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--nix-extra-conf-file)
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# shellcheck disable=SC2155
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export NIX_EXTRA_CONF="$(cat "$2")"
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shift;;
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*)
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{
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echo "Nix Installer [--daemon|--no-daemon] [--daemon-user-count INT] [--yes] [--no-channel-add] [--no-modify-profile] [--nix-extra-conf-file FILE]"
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echo "Choose installation method."
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echo ""
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echo " --daemon: Installs and configures a background daemon that manages the store,"
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echo " providing multi-user support and better isolation for local builds."
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echo " Both for security and reproducibility, this method is recommended if"
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echo " supported on your platform."
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echo " See https://nixos.org/manual/nix/stable/installation/installing-binary.html#multi-user-installation"
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echo ""
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echo " --no-daemon: Simple, single-user installation that does not require root and is"
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echo " trivial to uninstall."
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echo " (default)"
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echo ""
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echo " --yes: Run the script non-interactively, accepting all prompts."
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echo ""
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echo " --no-channel-add: Don't add any channels. nixpkgs-unstable is installed by default."
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echo ""
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echo " --no-modify-profile: Don't modify the user profile to automatically load nix."
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echo ""
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echo " --daemon-user-count: Number of build users to create. Defaults to 32."
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echo ""
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echo " --nix-extra-conf-file: Path to nix.conf to prepend when installing /etc/nix/nix.conf"
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echo ""
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if [ -n "${INVOKED_FROM_INSTALL_IN:-}" ]; then
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echo " --tarball-url-prefix URL: Base URL to download the Nix tarball from."
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fi
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} >&2
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exit;;
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esac
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shift
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done
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if [ "$INSTALL_MODE" = "daemon" ]; then
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printf '\e[1;31mSwitching to the Multi-user Installer\e[0m\n'
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exec "$self/install-multi-user" $ACTIONS # let ACTIONS split
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exit 0
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fi
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if [ "$(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 https://nixos.org/manual/nix/stable/installation/multi-user.html. If you wish to continue with a single-user install for $USER please run 'chown -R $USER $dest' as root." >&2
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exit 1
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fi
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# The auto-chroot code in openFromNonUri() checks for the
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# non-existence of /nix/var/nix, so we need to create it here.
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mkdir -p "$dest/store" "$dest/var/nix"
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printf "copying Nix to %s..." "${dest}/store" >&2
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# Insert a newline if no progress is shown.
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if [ ! -t 0 ]; then
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echo ""
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fi
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for i in $(cd "$self/store" >/dev/null && echo ./*); do
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if [ -t 0 ]; then
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printf "." >&2
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fi
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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 -RPp "$self/store/$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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if ! "$nix/bin/nix-store" --load-db < "$self/.reginfo"; then
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echo "$0: unable to register valid paths" >&2
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exit 1
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fi
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# shellcheck source=./nix-profile.sh.in
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. "$nix/etc/profile.d/nix.sh"
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NIX_LINK="$HOME/.nix-profile"
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if ! "$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 "$cacert"
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export NIX_SSL_CERT_FILE="$NIX_LINK/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 [ -z "$NIX_INSTALLER_NO_CHANNEL_ADD" ]; then
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if ! "$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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if ! "$nix/bin/nix-channel" --update nixpkgs; then
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echo "Fetching the nixpkgs channel failed. (Are you offline?)"
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echo "To try again later, run \"nix-channel --update nixpkgs\"."
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fi
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fi
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fi
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added=
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p=
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p_sh=$NIX_LINK/etc/profile.d/nix.sh
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p_fish=$NIX_LINK/etc/profile.d/nix.fish
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if [ -z "$NIX_INSTALLER_NO_MODIFY_PROFILE" ]; then
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# Make the shell source nix.sh during login.
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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_sh" "$fn"; then
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echo "modifying $fn..." >&2
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printf '\nif [ -e %s ]; then . %s; fi # added by Nix installer\n' "$p_sh" "$p_sh" >> "$fn"
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fi
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added=1
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p=${p_sh}
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break
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fi
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done
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for i in .zshenv .zshrc; do
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fn="$HOME/$i"
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if [ -w "$fn" ]; then
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if ! grep -q "$p_sh" "$fn"; then
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echo "modifying $fn..." >&2
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printf '\nif [ -e %s ]; then . %s; fi # added by Nix installer\n' "$p_sh" "$p_sh" >> "$fn"
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fi
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added=1
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p=${p_sh}
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break
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fi
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done
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if [ -d "$HOME/.config/fish" ]; then
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fishdir=$HOME/.config/fish/conf.d
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if [ ! -d "$fishdir" ]; then
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mkdir -p "$fishdir"
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fi
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fn="$fishdir/nix.fish"
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echo "placing $fn..." >&2
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printf '\nif test -e %s; . %s; end # added by Nix installer\n' "$p_fish" "$p_fish" > "$fn"
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added=1
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p=${p_fish}
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fi
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else
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p=${p_sh}
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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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