Turn off auto-optimize-store on Linux

README.md

@@ -32,7 +32,6 @@ Differing from the current official [Nix](https://github.com/NixOS/nix) installe
 * In `nix.conf`:
   + the `auto-allocate-uids`, `nix-command` and `flakes` features are enabled
   + `bash-prompt-prefix` is set
-  + `auto-optimise-store` is set to `true` (On Linux only)
   * `extra-nix-path` is set to `nixpkgs=flake:nixpkgs`
   * `auto-allocate-uids` is set to `true`.  (On Linux only)
 * an installation receipt (for uninstalling) is stored at `/nix/receipt.json` as well as a copy of the install binary at `/nix/nix-installer`

src/action/common/place_nix_configuration.rs

@@ -51,10 +51,6 @@ impl PlaceNixConfiguration {
             },
         };
 
-        // https://github.com/DeterminateSystems/nix-installer/issues/449#issuecomment-1551782281
-        #[cfg(not(target_os = "macos"))]
-        settings.insert("auto-optimise-store".to_string(), "true".to_string());
-
         settings.insert(
             "bash-prompt-prefix".to_string(),
             "(nix:$name)\\040".to_string(),

tests/fixtures/linux/linux.json

@@ -321,7 +321,6 @@
                   "settings": {
                     "experimental-features": "nix-command flakes auto-allocate-uids",
                     "build-users-group": "nixbld",
-                    "auto-optimise-store": "true",
                     "bash-prompt-prefix": "(nix:$name)\\040",
                     "extra-nix-path": "nixpkgs=flake:nixpkgs",
                     "auto-allocate-uids": "true"

tests/fixtures/linux/steam-deck.json

@@ -339,7 +339,6 @@
                 "path": "/etc/nix/nix.conf",
                 "pending_nix_config": {
                   "settings": {
-                    "auto-optimise-store": "true",
                     "bash-prompt-prefix": "(nix:$name)\\040",
                     "build-users-group": "nixbld",
                     "experimental-features": "nix-command flakes auto-allocate-uids",

tests/fixtures/macos/macos.json

@@ -377,7 +377,6 @@
                   "settings": {
                     "extra-nix-path": "nixpkgs=flake:nixpkgs",
                     "auto-allocate-uids": "true",
-                    "auto-optimise-store": "true",
                     "build-users-group": "nixbld",
                     "bash-prompt-prefix": "(nix:$name)\\040",
                     "experimental-features": "nix-command flakes auto-allocate-uids"