mirror of
https://github.com/LnL7/nix-darwin.git
synced 2024-12-15 17:51:01 +00:00
269 lines
7.6 KiB
Bash
269 lines
7.6 KiB
Bash
#! @shell@
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set -e
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set -o pipefail
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export PATH=@path@:$PATH
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showSyntax() {
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echo "darwin-rebuild [--help] {edit | switch | activate | build | check | changelog}" >&2
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echo " [--list-generations] [{--profile-name | -p} name] [--rollback]" >&2
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echo " [{--switch-generation | -G} generation] [--verbose...] [-v...]" >&2
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echo " [-Q] [{--max-jobs | -j} number] [--cores number] [--dry-run]" >&2
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echo " [--keep-going | -k] [--keep-failed | -K] [--fallback] [--show-trace]" >&2
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echo " [--print-build-logs | -L] [--impure] [-I path]" >&2
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echo " [--option name value] [--arg name value] [--argstr name value]" >&2
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echo " [--no-flake | [--flake flake]" >&2
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echo " [--commit-lock-file] [--recreate-lock-file]" >&2
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echo " [--no-update-lock-file] [--no-write-lock-file]" >&2
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echo " [--override-input input flake] [--update-input input]" >&2
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echo " [--no-registries] [--offline] [--refresh]]" >&2
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echo " [--substituters substituters-list] ..." >&2
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exit 1
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}
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sudo() {
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# REMOVEME when support for macOS 10.13 is dropped
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# macOS 10.13 does not support sudo --preserve-env so we make this conditional
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if command sudo --help | grep -- --preserve-env= >/dev/null; then
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# We use `env` before our command to ensure the preserved PATH gets checked
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# when trying to resolve the command to execute
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command sudo -H --preserve-env=PATH --preserve-env=SSH_CONNECTION env "$@"
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else
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command sudo -H "$@"
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fi
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}
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# Parse the command line.
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origArgs=("$@")
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extraMetadataFlags=()
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extraBuildFlags=()
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extraLockFlags=()
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extraProfileFlags=()
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profile=@profile@
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action=
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flake=
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noFlake=
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while [ $# -gt 0 ]; do
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i=$1; shift 1
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case $i in
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--help)
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showSyntax
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;;
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edit|switch|activate|build|check|changelog)
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action=$i
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;;
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--show-trace|--keep-going|--keep-failed|--verbose|-v|-vv|-vvv|-vvvv|-vvvvv|--fallback|--offline)
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extraMetadataFlags+=("$i")
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extraBuildFlags+=("$i")
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;;
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--no-build-hook|--dry-run|-k|-K|-Q)
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extraBuildFlags+=("$i")
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;;
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-j[0-9]*)
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extraBuildFlags+=("$i")
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;;
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--max-jobs|-j|--cores|-I)
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if [ $# -lt 1 ]; then
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echo "$0: '$i' requires an argument"
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exit 1
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fi
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j=$1; shift 1
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extraBuildFlags+=("$i" "$j")
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;;
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--arg|--argstr|--option)
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if [ $# -lt 2 ]; then
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echo "$0: '$i' requires two arguments"
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exit 1
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fi
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j=$1
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k=$2
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shift 2
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extraMetadataFlags+=("$i" "$j" "$k")
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extraBuildFlags+=("$i" "$j" "$k")
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;;
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--flake)
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flake=$1
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shift 1
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;;
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--no-flake)
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noFlake=1
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;;
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-L|-vL|--print-build-logs|--impure|--recreate-lock-file|--no-update-lock-file|--no-write-lock-file|--no-registries|--commit-lock-file|--refresh)
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extraLockFlags+=("$i")
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;;
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--update-input)
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j="$1"; shift 1
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extraLockFlags+=("$i" "$j")
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;;
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--override-input)
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j="$1"; shift 1
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k="$1"; shift 1
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extraLockFlags+=("$i" "$j" "$k")
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;;
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--list-generations)
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action="list"
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extraProfileFlags=("$i")
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;;
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--rollback)
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action="rollback"
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extraProfileFlags=("$i")
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;;
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--switch-generation|-G)
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action="rollback"
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if [ $# -lt 1 ]; then
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echo "$0: '$i' requires an argument"
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exit 1
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fi
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j=$1; shift 1
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extraProfileFlags=("$i" "$j")
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;;
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--profile-name|-p)
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if [ -z "$1" ]; then
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echo "$0: '$i' requires an argument"
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exit 1
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fi
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if [ "$1" != system ]; then
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profile="/nix/var/nix/profiles/system-profiles/$1"
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mkdir -p -m 0755 "$(dirname "$profile")"
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fi
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shift 1
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;;
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--substituters)
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if [ -z "$1" ]; then
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echo "$0: '$i' requires an argument"
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exit 1
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fi
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j=$1; shift 1
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extraMetadataFlags+=("$i" "$j")
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extraBuildFlags+=("$i" "$j")
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;;
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*)
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echo "$0: unknown option '$i'"
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exit 1
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;;
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esac
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done
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if [ -z "$action" ]; then showSyntax; fi
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flakeFlags=(--extra-experimental-features 'nix-command flakes')
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# Use /etc/nix-darwin/flake.nix if it exists. It can be a symlink to the
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# actual flake.
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if [[ -z $flake && -e /etc/nix-darwin/flake.nix && -z $noFlake ]]; then
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flake="$(dirname "$(readlink -f /etc/nix-darwin/flake.nix)")"
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fi
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# For convenience, use the hostname as the default configuration to
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# build from the flake.
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if [ -n "$flake" ]; then
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# Offical regex from https://www.rfc-editor.org/rfc/rfc3986#appendix-B
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if [[ "${flake}" =~ ^(([^:/?#]+):)?(//([^/?#]*))?([^?#]*)(\?([^#]*))?(#(.*))? ]]; then
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scheme=${BASH_REMATCH[1]} # eg. http:
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authority=${BASH_REMATCH[3]} # eg. //www.ics.uci.edu
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path=${BASH_REMATCH[5]} # eg. /pub/ietf/uri/
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queryWithQuestion=${BASH_REMATCH[6]}
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fragment=${BASH_REMATCH[9]}
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flake=${scheme}${authority}${path}${queryWithQuestion}
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flakeAttr=${fragment}
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fi
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if [ -z "$flakeAttr" ]; then
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flakeAttr=$(scutil --get LocalHostName)
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fi
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flakeAttr=darwinConfigurations.${flakeAttr}
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fi
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if [ -n "$flake" ]; then
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if nix "${flakeFlags[@]}" flake metadata --version &>/dev/null; then
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cmd=metadata
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else
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cmd=info
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fi
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metadata=$(nix "${flakeFlags[@]}" flake "$cmd" --json "${extraMetadataFlags[@]}" "${extraLockFlags[@]}" -- "$flake")
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flake=$(jq -r .url <<<"${metadata}")
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if [ "$(jq -r .resolved.submodules <<<"${metadata}")" = "true" ]; then
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if [[ "$flake" == *'?'* ]]; then
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flake="${flake}&submodules=1"
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else
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flake="${flake}?submodules=1"
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fi
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fi
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fi
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if [ "$action" != build ]; then
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if [ -n "$flake" ]; then
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extraBuildFlags+=("--no-link")
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else
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extraBuildFlags+=("--no-out-link")
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fi
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fi
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if [ "$action" = edit ]; then
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darwinConfig=$(nix-instantiate --find-file darwin-config)
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if [ -z "$flake" ]; then
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exec "${EDITOR:-vi}" "$darwinConfig"
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else
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exec nix "${flakeFlags[@]}" edit "${extraLockFlags[@]}" -- "$flake#$flakeAttr"
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fi
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fi
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if [ "$action" = switch ] || [ "$action" = build ] || [ "$action" = check ] || [ "$action" = changelog ]; then
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echo "building the system configuration..." >&2
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if [ -z "$flake" ]; then
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systemConfig="$(nix-build '<darwin>' "${extraBuildFlags[@]}" -A system)"
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else
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systemConfig=$(nix "${flakeFlags[@]}" build --json \
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"${extraBuildFlags[@]}" "${extraLockFlags[@]}" \
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-- "$flake#$flakeAttr.system" \
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| jq -r '.[0].outputs.out')
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fi
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fi
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if [ "$action" = list ] || [ "$action" = rollback ]; then
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if [ "$USER" != root ] && [ ! -w $(dirname "$profile") ]; then
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sudo nix-env -p "$profile" "${extraProfileFlags[@]}"
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else
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nix-env -p "$profile" "${extraProfileFlags[@]}"
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fi
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fi
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if [ "$action" = rollback ]; then
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systemConfig="$(cat $profile/systemConfig)"
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fi
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if [ "$action" = activate ]; then
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systemConfig=$(readlink -f "${0%*/sw/bin/darwin-rebuild}")
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fi
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if [ -z "$systemConfig" ]; then exit 0; fi
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if [ "$action" = switch ]; then
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if [ "$USER" != root ] && [ ! -w $(dirname "$profile") ]; then
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sudo nix-env -p "$profile" --set "$systemConfig"
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else
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nix-env -p "$profile" --set "$systemConfig"
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fi
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fi
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if [ "$action" = switch ] || [ "$action" = activate ] || [ "$action" = rollback ]; then
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"$systemConfig/activate-user"
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if [ "$USER" != root ]; then
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sudo "$systemConfig/activate"
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else
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"$systemConfig/activate"
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fi
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fi
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if [ "$action" = changelog ]; then
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${PAGER:-less} -- "$systemConfig/darwin-changes"
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fi
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if [ "$action" = check ]; then
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export checkActivation=1
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"$systemConfig/activate-user"
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fi
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