97 lines
2.7 KiB
Bash
Executable file
97 lines
2.7 KiB
Bash
Executable file
#!/usr/bin/env bash
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# Wrapper script for nixos-rebuild
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# Configuration parameters
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operation="switch" # The nixos-rebuild operation to use
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hostname=$(hostname) # The name of the host to build
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flakeDir="${FLAKE_DIR}" # Path to the flake file (and optionally the hostname). Defaults to the FLAKE_DIR environment variable.
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remainingArgs="" # All remaining arguments that haven't been processed
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update=true # Whether to update git (true by default)
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user=$(whoami) # Which user account to use for git commands.
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function usage() {
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echo "nixos-rebuild Operations Script (NOS) updates your system and your flake.lock file by pulling the latest versions."
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echo ""
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echo "Running the script with no parameters performs the following operations:"
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echo " 1. Pull the latest version of the config"
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echo " 2. Update your flake.lock file"
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echo " 3. Commit any changes back to the repository"
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echo " 4. Run 'nixos-rebuild switch'."
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echo ""
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echo "Advanced usage: nixos-upgrade-script.sh [-o|--operation operation] [-f|--flake path-to-flake] [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 " -f, --flake <path> The path to your flake.nix file (and optionally, the hostname to build)."
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echo " -n, --no-update Don't update and commit the lock file."
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echo " -u, --user Which user account to run git commands under."
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echo ""
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exit 2
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}
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function run_operation {
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options="--flake $flakeDir $remainingArgs --use-remote-sudo --log-format multiline-with-logs"
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echo "Running this operation: nixos-rebuild $1 $options"
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nixos-rebuild $operation $options
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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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--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-update|-n)
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update=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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--user|-u)
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user="$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 -- "${POSITIONAL_ARGS[@]}" # restore positional parameters
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if [ -n "${flakeDir}" ]; then
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echo "Flake directory not specified. Use '--flake <path>' or set \$FLAKE_DIR."
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exit 1
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fi
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cd $flakeDir
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echo "Pulling the latest version of the repository..."
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sudo -u $user git pull
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if [ $update = true ]; then
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echo "Checking for updates..."
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sudo -u $user nix flake update --commit-lock-file
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sudo -u $user git push
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else
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echo "Skipping 'nix flake update'..."
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fi
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run_operation $operation
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exit 0
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