various

packages/puter/default.nix

@@ -0,0 +1,11 @@
+{
+  writeShellApplication,
+  nixos-rebuild,
+}:
+writeShellApplication {
+  name = "puter";
+  runtimeInputs = [
+    nixos-rebuild
+  ];
+  text = builtins.readFile ./puter.bash;
+}

packages/puter/puter.bash

@@ -0,0 +1,104 @@
+#!/usr/bin/env bash
+
+set -o errexit
+set -o nounset
+set -o pipefail
+
+progname=$0
+
+warn() {
+    local line
+    for line in "$@"; do
+        echo "$progname: $line" 1>&2
+    done
+}
+
+error() {
+    warn "$@"
+
+    exit 1
+}
+
+args=$(getopt --options f:o:t:v --longoptions=flake:,on:,to:,verbose --name "$progname" -- "$@")
+
+eval set -- "$args"
+
+host=localhost
+flags=(
+    --refresh
+    --use-remote-sudo
+    --no-write-lock-file
+)
+verbose=false
+while true; do
+    case $1 in
+    (-f | --flake)
+        flake=$2
+        shift 2
+        ;;
+    (-o | --on)
+        flags+=(--build-host "$2")
+        shift 2
+        ;;
+    (-t | --to)
+        host=$2
+        flags+=(--target-host "$host")
+        shift 2
+        ;;
+    (-v | --verbose)
+        flags+=(--verbose)
+        verbose=true
+        shift
+        ;;
+    (--)
+        shift
+        break
+        ;;
+    esac
+done
+
+if [[ ! -v flake ]]; then
+    flake=git+https://forgejo@tea.wrz.one/lukas/puter.git#$(ssh -- "$host" hostname)
+fi
+
+flags+=(--flake "$flake")
+
+if (( $# == 0 )); then
+    error 'a subcommand is required'
+fi
+
+run() {
+    cmd=(nixos-rebuild "${flags[@]}" "$@")
+
+    if "$verbose"; then
+        warn "running ${cmd[*]}"
+    fi
+
+    "${cmd[@]}"
+}
+
+sub=$1
+
+case $sub in
+    (s | switch)
+        shift
+
+        if (( $# > 0 )); then
+            error 'too many arguments'
+        fi
+
+        run switch
+        ;;
+    (b | boot)
+        shift
+
+        if (( $# > 0 )); then
+            error 'too many arguments'
+        fi
+
+        run boot
+        ;;
+    (*)
+        error 'invalid subcommand'
+        ;;
+esac