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https://github.com/LnL7/nix-darwin.git
synced 2025-03-28 02:37:09 +00:00
Daiderd Jordan
GitHub
commit
f7e1f9f837
1 changed files with 234 additions and 0 deletions
234
bootstrap.sh
Executable file
234
bootstrap.sh
Executable file
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@ -0,0 +1,234 @@
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#! /usr/bin/env bash
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set -e
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set -o pipefail
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# Argument parsing
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init(){
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if [ $# -gt 0 ]; then
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case "$1" in
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-h|--help)
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usage
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exit 1
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;;
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-u|--create-daemon-users)
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export CREATE_DAEMON_USERS=true
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;;
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*)
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echo -e "ERROR: Unrecognized parameter: '${1}'\nSee usage (--help) for options..." 1>&2
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exit 1
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;;
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esac
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fi
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}
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# Usage
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usage(){
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cat <<EOF
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Usage: bootstrap.sh [Options]
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Options:
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-h, --help: Show this message
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-u, --create-daemon-users: Create users & group for use with the Nix daemon
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EOF
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}
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# Sanity checks
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sanity(){
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# Ensure the script is running on macOS
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if [ $(uname -s) != "Darwin" ]; then
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echo "This script is for use with macOS!"
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exit 1
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fi
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# Ensure script is not being run with root privileges
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if [ $EUID -eq 0 ]; then
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echo "Please don't run this script with root privileges!"
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exit 1
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fi
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# Ensure Nix has already been installed
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if [[ ! $(type nix-env 2>/dev/null) ]]; then
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echo -e "Cannot find "$YELLOW"nix-env"$ESC" in the PATH"
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echo "Please ensure you've installed and configured your Nix environment correctly"
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echo -e "Install instructions can be found at: "$BLUE_UL"https://nixos.org/nix/manual/#chap-quick-start"$ESC""
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exit 1
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fi
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# Check if nix-darwin is already present
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if [[ $(type darwin-rebuild 2>/dev/null) ]]; then
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echo -e "It looks like "$YELLOW"nix-darwin"$ESC" is already installed..."
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[ ! -z $CREATE_DAEMON_USERS ] && create_daemon_users || exit 1
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fi
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}
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# Exit with message
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exit_message(){
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echo -e ""$RED"$1"$ESC"" >&2
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exit 1
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}
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# Prompt for sudo password & keep alive
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sudo_prompt(){
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echo "Please enter your password for sudo authentication"
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sudo -k
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sudo echo "sudo authenticaion successful!"
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while true ; do sudo -n true ; sleep 60 ; kill -0 "$$" || exit ; done 2>/dev/null &
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}
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# Daemon setup
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create_daemon_users(){
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echo -e ""$BLUE"Nix daemon user/group configuration"$ESC""
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[ ! -z $CREATE_DAEMON_USERS ] && sudo_prompt
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# If the group exists, dscl returns exit code 56.
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# Since this is not strictly an error code, standard code
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# checking doesn't work as intended.
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/usr/bin/dscl . -read /Groups/nixbld &> /dev/null
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retCode=$?
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if [[ $retCode != 0 ]]; then
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echo -e "Creating the "$YELLOW"nixbld"$ESC" group..."
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sudo /usr/sbin/dseditgroup -o create -r "Nix build group for nix-daemon" -i 30000 nixbld >&2 || \
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exit_message "Problem creating group: nixbld"
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else
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echo -e "It looks like the "$YELLOW"nixbld"$ESC" group already exists!"
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fi
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for i in {1..10}; do
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/usr/bin/id nixbld${i} &> /dev/null
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retCode=$?
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if [[ $retCode != 0 ]]; then
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echo -e "Creating user: "$YELLOW"nixbld${i}"$ESC"..."
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sudo /usr/sbin/sysadminctl -fullName "Nix build user $i" \
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-home /var/empty \
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-UID $(expr 30000 + $i) \
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-addUser nixbld$i >&2 \
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|| exit_message "Problem creating user: nixbld${i}"
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sudo dscl . -create /Users/nixbld$i IsHidden 1 || \
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exit_message "Problem setting 'IsHidden' for user: nixbld${i}"
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sudo dscl . -create /Users/nixbld$i UserShell /sbin/nologin || \
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exit_message "Problem setting shell for user: nixbld${i}"
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sudo /usr/sbin/dseditgroup -o edit -t user -a nixbld$i nixbld || \
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exit_message "Problem setting primary group for user: nixbld${i}"
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sudo /usr/bin/dscl . -create /Users/nixbld$i PrimaryGroupID 30000 >&2 || \
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exit_message "Problem setting PrimaryGroupID for user: nixbld${i}"
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else
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echo -e "It looks like the "$YELLOW"nixbld${i}"$ESC" user already exists!"
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fi
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done
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[ ! -z $CREATE_DAEMON_USERS ] && exit 0
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}
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# Installer
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install(){
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echo -e ""$BLUE_UL"Welcome to the nix-darwin installer!"$ESC""
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# Prompt for nix package upgrade
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echo -e "Ensuring "$YELLOW"nixpkgs"$ESC" version meets requirements..."
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echo -e "To do this, the following will be run to upgrade the "$YELLOW"nix"$ESC" package:"
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echo -e ""$YELLOW"nix-env -iA nixpkgs.nix"$ESC"\n"
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echo "If you have a recent install of Nix, this may not be necessary, but should not cause any harm to run"
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while true ; do
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read -p "Would you like to upgrade? [y/n] " ANSWER
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case $ANSWER in
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y|Y)
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echo "Proceeding with upgrade..."
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nix-env -iA nixpkgs.nix
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break
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;;
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n|N)
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echo "Proceeding without upgrade..."
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break
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;;
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*)
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echo "Please answer 'y' or 'n'..."
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esac
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done
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sudo_prompt
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# Link run directory
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echo "Setting up /run..."
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test -L /run || sudo ln -snf private/var/run /run
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# Fetch the nix-darwin repo
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echo -e ""$YELLOW"Configuring darwin channel..."$ESC""
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nix-channel --add https://github.com/LnL7/nix-darwin/archive/master.tar.gz darwin
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nix-channel --update
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# Create symlink for old NIX_PATH entry
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ln -sfn "/nix/var/nix/profiles/per-user/$USER/channels/darwin" "$HOME/.nix-defexpr/darwin"
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# Copy the example configuration
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echo -e "Copying example configuration to "$YELLOW"~/.nixpkgs/darwin-configuration.nix"$ESC"..."
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if [ ! -e "$HOME/.nixpkgs/darwin-configuration.nix" ]; then
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mkdir -p "$HOME/.nixpkgs"
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cp "$HOME/.nix-defexpr/darwin/modules/examples/simple.nix" "$HOME/.nixpkgs/darwin-configuration.nix"
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chmod u+w "$HOME/.nixpkgs/darwin-configuration.nix"
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fi
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# Bootstrap build using default nix.nixPath
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echo "Bootstrapping..."
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export NIX_PATH=darwin=$HOME/.nix-defexpr/darwin:darwin-config=$HOME/.nixpkgs/darwin-configuration.nix:$NIX_PATH
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$(nix-build '<darwin>' -A system --no-out-link)/sw/bin/darwin-rebuild build
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$(nix-build '<darwin>' -A system --no-out-link)/sw/bin/darwin-rebuild switch
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# Source generated bashrc
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. /etc/static/bashrc
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# Run first darwin-rebuild switch
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echo -e "Running first "$YELLOW"darwin-rebuild switch"$ESC"..."
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darwin-rebuild switch && echo -e ""$GREEN"Success!"$ESC"" || exit_message "Problem running darwin-rebuild switch"
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echo -e ""$BLUE_UL"Nix daemon"$ESC""
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echo "Optionally, this script can also create the group and users"
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echo -e "needed for running the Nix "$YELLOW"multi-user support daemon"$ESC"."
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echo "If you're unfamiliar with the Nix daemon, see:"
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echo -e ""$BLUE_UL"http://nixos.org/nix/manual/#sec-nix-daemon\n"$ESC""
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echo "If you decide not to, but later change your mind, you can always re-run"
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echo -e "this script with "$YELLOW"-u"$ESC" or "$YELLOW"--create-daemon-users"$ESC""
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while true ; do
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read -p "Would you like to create the Nix daemon group/users? [y/n] " ANSWER
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case $ANSWER in
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y|Y)
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create_daemon_users
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break
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;;
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n|N)
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echo "Not creating Nix daemon group/users"
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break
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;;
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*)
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echo "Please answer 'y' or 'n'..."
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esac
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done
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# Finish
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echo -e ""$GREEN"You're all done!"$ESC""
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echo -e "Take a look at "$YELLOW"~/.nixpkgs/darwin-configuration.nix"$ESC" to get started."
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echo -e "See the README for more information: "$BLUE_UL"https://github.com/LnL7/nix-darwin/blob/master/README.md"$ESC""
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}
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main(){
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# ANSI properties/colours
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local ESC='\033[0m'
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local BLUE='\033[38;34m'
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local BLUE_UL='\033[38;4;34m'
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local GREEN='\033[38;32m'
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local GREEN_UL='\033[38;4;32m'
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local RED='\033[38;31m'
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local RED_UL='\033[38;4;31m'
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local YELLOW='\033[38;33m'
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local YELLOW_UL='\033[38;4;33m'
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init $@
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sanity
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install
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}
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# Actual run
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main $@
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