reformat with treefmt

default.nix

@@ -1,6 +1,17 @@
-{ python311, makeWrapper, nix-eval-jobs, nix-output-monitor, lib, bashInteractive }:
+{
+  python311,
+  makeWrapper,
+  nix-eval-jobs,
+  nix-output-monitor,
+  lib,
+  bashInteractive,
+}:
 let
-  path = lib.makeBinPath [ nix-eval-jobs nix-eval-jobs.nix nix-output-monitor ];
+  path = lib.makeBinPath [
+    nix-eval-jobs
+    nix-eval-jobs.nix
+    nix-output-monitor
+  ];
 in
 python311.pkgs.buildPythonApplication {
   pname = "nix-fast-build";

flake.nix

@@ -10,8 +10,10 @@
     treefmt-nix.inputs.nixpkgs.follows = "nixpkgs";
   };
 
-  outputs = inputs@{ flake-parts, ... }:
-    flake-parts.lib.mkFlake { inherit inputs; } ({ lib, ... }:
+  outputs =
+    inputs@{ flake-parts, ... }:
+    flake-parts.lib.mkFlake { inherit inputs; } (
+      { lib, ... }:
       let
         officialPlatforms = [
           "aarch64-linux"
@@ -24,28 +26,28 @@
       {
         imports = [ ./treefmt.nix ];
         systems = officialPlatforms ++ [ "riscv64-linux" ];
-        perSystem = { pkgs, self', ... }: {
-          packages.nix-fast-build = pkgs.callPackage ./default.nix {
-            # we don't want to compile ghc otherwise
-            nix-output-monitor =
-              if lib.elem pkgs.hostPlatform.system officialPlatforms then
-                pkgs.nix-output-monitor
-              else
-                null;
-          };
-          legacyPackages = {
-            hello-broken = pkgs.hello.overrideAttrs (_old: {
-              meta.broken = true;
-            });
-          };
-          packages.default = self'.packages.nix-fast-build;
+        perSystem =
+          { pkgs, self', ... }:
+          {
+            packages.nix-fast-build = pkgs.callPackage ./default.nix {
+              # we don't want to compile ghc otherwise
+              nix-output-monitor =
+                if lib.elem pkgs.hostPlatform.system officialPlatforms then pkgs.nix-output-monitor else null;
+            };
+            legacyPackages = {
+              hello-broken = pkgs.hello.overrideAttrs (_old: {
+                meta.broken = true;
+              });
+            };
+            packages.default = self'.packages.nix-fast-build;
 
-          checks =
-            let
-              packages = lib.mapAttrs' (n: lib.nameValuePair "package-${n}") self'.packages;
-              devShells = lib.mapAttrs' (n: lib.nameValuePair "devShell-${n}") self'.devShells;
-            in
-            packages // devShells;
-        };
-      });
+            checks =
+              let
+                packages = lib.mapAttrs' (n: lib.nameValuePair "package-${n}") self'.packages;
+                devShells = lib.mapAttrs' (n: lib.nameValuePair "devShell-${n}") self'.devShells;
+              in
+              packages // devShells;
+          };
+      }
+    );
 }

nix_fast_build/__init__.py

@@ -387,7 +387,10 @@ def nix_shell(fallback_package: str, wanted_command: str) -> list[str]:
 
 @asynccontextmanager
 async def ensure_stop(
-    proc: Process, cmd: list[str], timeout: float = 3.0, signal_no: int = signal.SIGTERM
+    proc: Process,
+    cmd: list[str],
+    wait_timeout: float = 3.0,
+    signal_no: int = signal.SIGTERM,
 ) -> AsyncIterator[Process]:
     try:
         yield proc
@@ -396,7 +399,7 @@ async def ensure_stop(
             with contextlib.suppress(ProcessLookupError):
                 proc.send_signal(signal_no)
                 try:
-                    await asyncio.wait_for(proc.wait(), timeout=timeout)
+                    await asyncio.wait_for(proc.wait(), timeout=wait_timeout)
                 except TimeoutError:
                     print(f"Failed to stop process {shlex.join(cmd)}. Killing it.")
                     proc.kill()

tests/command.py

@@ -48,7 +48,7 @@ class Command:
                 os.killpg(os.getpgid(p.pid), signal.SIGKILL)
 
 
-@pytest.fixture()
+@pytest.fixture
 def command() -> Iterator[Command]:
     """
     Starts a background command. The process is automatically terminated in the end.

tests/ports.py

@@ -37,6 +37,6 @@ class Ports:
         raise OSError(msg)
 
 
-@pytest.fixture()
+@pytest.fixture
 def ports() -> Ports:
     return Ports()

tests/sshd.py

@@ -76,7 +76,7 @@ def sshd_config(project_root: Path, test_root: Path) -> Iterator[SshdConfig]:
         yield SshdConfig(str(sshd_config), str(host_key), lib_path)
 
 
-@pytest.fixture()
+@pytest.fixture
 def sshd(sshd_config: SshdConfig, command: Command, ports: Ports) -> Iterator[Sshd]:
     port = ports.allocate(1)
     sshd = shutil.which("sshd")