refactor: merge two nix-instantiate commands

1 files changed, 10 insertions, 13 deletions

diff --git a/nixos/rebuild b/nixos/rebuild
index 3dfbf71..7fa750a 100755
--- a/nixos/rebuild
+++ b/nixos/rebuild
@@ -11,20 +11,17 @@ if [ ! -f $configPath ]; then
   exit 1
 fi
 
-nix-eval() {
-  nix-instantiate --eval --raw --read-write-mode "$@"
-}
-
-channel=$(nix-eval --argstr host "$HOSTNAME" --expr '{host}:
-let
-  toml = builtins.readFile ./hosts/${host}/metadata.toml;
-in
-  (builtins.fromTOML toml).channel
-')
 nixpkgsPath=$(
-  nix-eval \
-    --argstr channel "$channel" \
-    --expr '{channel}: (import ./npins).${channel}.outPath'
+  nix-instantiate --eval --raw \
+    --argstr host "$HOSTNAME" \
+    --expr '
+      { host }:
+      let
+        toml = builtins.readFile ./hosts/${host}/metadata.toml;
+        channel = (builtins.fromTOML toml).channel;
+      in
+      (import ./npins).${channel}.outPath
+    '
 )
 
 # nixos-rebuild always reads Nixpkgs from the NIX_PATH,