96 lines
2.4 KiB
Bash
96 lines
2.4 KiB
Bash
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#!/usr/bin/env bash
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# Wrapper script for nixos-rebuild
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#set -e
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# Configuration parameters
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operation="switch" # The nixos-rebuild operation to use
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hostname=$(hostname) # The name of the host to build
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flakeDir="." # Path to the flake file (and optionally the hostname)
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remainingArgs="" # All remaining arguments that haven't been processed
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commit=true # Whether to update git (true by default)
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buildHost="" # Which host to build the system on.
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function usage() {
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echo "Usage: nixos-upgrade-script.sh [-o|--operation operation] [-f|--flake path-to-flake-file] [extra nixos-rebuild parameters]"
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echo "Options:"
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echo " -h | --help Show this help screen."
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echo " -o | --operation The nixos-rebuild operation to perform."
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echo " -H | --host The host to build."
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echo " -f | --flake <path> The path to the flake file (and optionally the hostname)."
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echo " -n | --no-commit Don't update and commit the lock file."
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echo " --build-host <hostname> The SSH name of the host to build the system on."
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exit 2
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}
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function run_operation {
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echo "Full operation: nixos-rebuild $1 --flake $flakeDir#$hostname $( [ "$buildHost" != "" ] && echo "--build-host $buildHost" ) $remainingArgs"
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# Only request super-user permission if we're switching
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if [[ "$1" =~ ^(switch|boot|test)$ ]]; then
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sudo nixos-rebuild $operation --flake .#$hostname $remainingArgs
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else
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nixos-rebuild $operation --flake .#$hostname $remainingArgs
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fi
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}
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# Argument processing logic shamelessly stolen from https://stackoverflow.com/questions/192249/how-do-i-parse-command-line-arguments-in-bash
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POSITIONAL_ARGS=()
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while [[ $# -gt 0 ]]; do
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case "$1" in
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--build-host|-b)
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buildHost="$2"
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shift
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shift
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;;
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--host|--hostname|-H)
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hostname="$2"
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shift
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shift
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;;
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--flake|-f)
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flakeDir="$2"
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shift
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shift
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;;
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--no-commit|-n)
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commit=false
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shift
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shift
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;;
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--operation|-o)
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operation="$2"
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shift
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shift
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;;
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--help|-h)
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usage
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shift
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;;
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*)
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POSITIONAL_ARGS+=("$1") # save positional arg
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shift # past argument
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;;
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esac
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done
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remainingArgs=${POSITIONAL_ARGS[@]}
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set -- "${POSITIONAL_ARGS[@]}" # restore positional parameters
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cd $flakeDir
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git pull
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if [ $commit = true ]; then
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echo "Update and push lock file"
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nix flake update --commit-lock-file
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git push
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fi
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# If this is a remote build, run the build as non-sudo first
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if [[ "$buildHost" != "" ]]; then
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run_operation "build"
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fi
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run_operation $operation
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exit 0
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