lix/scripts/install-darwin-multi-user.sh
2021-03-11 10:16:34 -06:00

154 lines
3.4 KiB
Bash

#!/usr/bin/env bash
set -eu
set -o pipefail
readonly PLIST_DEST=/Library/LaunchDaemons/org.nixos.nix-daemon.plist
NIX_FIRST_BUILD_UID="301"
NIX_BUILD_USER_NAME_TEMPLATE="_nixbld%d"
dsclattr() {
/usr/bin/dscl . -read "$1" \
| awk "/$2/ { print \$2 }"
}
poly_validate_assumptions() {
if [ "$(uname -s)" != "Darwin" ]; then
failure "This script is for use with macOS!"
fi
}
poly_service_installed_check() {
[ -e "$PLIST_DEST" ]
}
poly_service_uninstall_directions() {
cat <<EOF
$1. Delete $PLIST_DEST
sudo launchctl unload $PLIST_DEST
sudo rm $PLIST_DEST
EOF
}
poly_service_setup_note() {
cat <<EOF
- load and start a LaunchDaemon (at $PLIST_DEST) for nix-daemon
EOF
}
poly_extra_try_me_commands(){
:
}
poly_extra_setup_instructions(){
:
}
poly_configure_nix_daemon_service() {
_sudo "to set up the nix-daemon as a LaunchDaemon" \
cp -f "/nix/var/nix/profiles/default$PLIST_DEST" "$PLIST_DEST"
_sudo "to load the LaunchDaemon plist for nix-daemon" \
launchctl load /Library/LaunchDaemons/org.nixos.nix-daemon.plist
_sudo "to start the nix-daemon" \
launchctl start org.nixos.nix-daemon
}
poly_group_exists() {
/usr/bin/dscl . -read "/Groups/$1" > /dev/null 2>&1
}
poly_group_id_get() {
dsclattr "/Groups/$1" "PrimaryGroupID"
}
poly_create_build_group() {
_sudo "Create the Nix build group, $NIX_BUILD_GROUP_NAME" \
/usr/sbin/dseditgroup -o create \
-r "Nix build group for nix-daemon" \
-i "$NIX_BUILD_GROUP_ID" \
"$NIX_BUILD_GROUP_NAME" >&2
}
poly_user_exists() {
/usr/bin/dscl . -read "/Users/$1" > /dev/null 2>&1
}
poly_user_id_get() {
dsclattr "/Users/$1" "UniqueID"
}
poly_user_hidden_get() {
dsclattr "/Users/$1" "IsHidden"
}
poly_user_hidden_set() {
_sudo "in order to make $1 a hidden user" \
/usr/bin/dscl . -create "/Users/$1" "IsHidden" "1"
}
poly_user_home_get() {
dsclattr "/Users/$1" "NFSHomeDirectory"
}
poly_user_home_set() {
_sudo "in order to give $1 a safe home directory" \
/usr/bin/dscl . -create "/Users/$1" "NFSHomeDirectory" "$2"
}
poly_user_note_get() {
dsclattr "/Users/$1" "RealName"
}
poly_user_note_set() {
_sudo "in order to give $username a useful note" \
/usr/bin/dscl . -create "/Users/$1" "RealName" "$2"
}
poly_user_shell_get() {
dsclattr "/Users/$1" "UserShell"
}
poly_user_shell_set() {
_sudo "in order to give $1 a safe home directory" \
/usr/bin/dscl . -create "/Users/$1" "UserShell" "$2"
}
poly_user_in_group_check() {
username=$1
group=$2
dseditgroup -o checkmember -m "$username" "$group" > /dev/null 2>&1
}
poly_user_in_group_set() {
username=$1
group=$2
_sudo "Add $username to the $group group"\
/usr/sbin/dseditgroup -o edit -t user \
-a "$username" "$group"
}
poly_user_primary_group_get() {
dsclattr "/Users/$1" "PrimaryGroupID"
}
poly_user_primary_group_set() {
_sudo "to let the nix daemon use this user for builds (this might seem redundant, but there are two concepts of group membership)" \
/usr/bin/dscl . -create "/Users/$1" "PrimaryGroupID" "$2"
}
poly_create_build_user() {
username=$1
uid=$2
builder_num=$3
_sudo "Creating the Nix build user (#$builder_num), $username" \
/usr/bin/dscl . create "/Users/$username" \
UniqueID "${uid}"
}