From e7e650a26f6f50ce75c8baa4868eeca7c3190e12 Mon Sep 17 00:00:00 2001
From: Martin Fischer <martin@push-f.com>
Date: Sat, 20 Sep 2025 11:16:49 +0200
Subject: refactor: decouple rebuild script from current dir

---
 nixos/rebuild | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)

(limited to 'nixos/rebuild')

diff --git a/nixos/rebuild b/nixos/rebuild
index 7fa750a..d902bd8 100755
--- a/nixos/rebuild
+++ b/nixos/rebuild
@@ -1,10 +1,8 @@
 #!/usr/bin/env bash
 set -euo pipefail
 
-# Enable all future paths in this script to be relative to the directory containing the script.
-cd "$(dirname -- "${BASH_SOURCE[0]}")"
-
-configPath=$(realpath -- "hosts/$HOSTNAME/default.nix")
+top=$(dirname "$(realpath "$0")")
+configPath="$top/hosts/$HOSTNAME/default.nix"
 
 if [ ! -f $configPath ]; then
   echo "aborting: $configPath doesn't exist"
@@ -12,6 +10,7 @@ if [ ! -f $configPath ]; then
 fi
 
 nixpkgsPath=$(
+  cd "$top" &&
   nix-instantiate --eval --raw \
     --argstr host "$HOSTNAME" \
     --expr '
@@ -24,6 +23,8 @@ nixpkgsPath=$(
     '
 )
 
+# FIXME: change into host directory for host-specific garbage collector roots
+cd "$top"
 # nixos-rebuild always reads Nixpkgs from the NIX_PATH,
 # so we need to set it explicitly to our pinned version
-exec nixos-rebuild "$@" -I nixpkgs="$nixpkgsPath" -I nixos-config="$configPath" -I top="$(pwd)"
+exec nixos-rebuild "$@" -I nixpkgs="$nixpkgsPath" -I nixos-config="$configPath" -I top="$top"
-- 
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