nix: centralise source cleaning

This was getting very repetitive.  Having a single copy of the sources
shared between builds will also save on store space, and means we
don't need to support overriding the path to the scripts directory in
Makefiles.

Signed-off-by: Alyssa Ross <hi@alyssa.is>

1 files changed, 2 insertions, 14 deletions

diff --git a/nix/checks.nix b/nix/checks.nix
index bbaf78a..555ad8d 100644
--- a/nix/checks.nix
+++ b/nix/checks.nix
@@ -23,13 +23,7 @@
   rustfmt = config.pkgs.callPackage (
     { lib, runCommand, rustfmt }:
     runCommand "spectrum-rustfmt" {
-      src = lib.cleanSourceWith {
-        filter = path: type:
-          (builtins.baseNameOf path != "build" && type == "directory")
-          || builtins.match ''.*[^/]\.rs'' path != null;
-        src = lib.cleanSource ../.;
-      };
-
+      inherit (config) src;
       nativeBuildInputs = [ rustfmt ];
     } ''
       shopt -s globstar
@@ -41,13 +35,7 @@
   shellcheck = config.pkgs.callPackage (
     { lib, runCommand, shellcheck }:
     runCommand "spectrum-shellcheck" {
-      src = lib.cleanSourceWith {
-        filter = path: type:
-          (builtins.baseNameOf path != "build" && type == "directory")
-          || builtins.match ''.*[^/]\.sh'' path != null;
-        src = lib.cleanSource ../.;
-      };
-
+      inherit (config) src;
       nativeBuildInputs = [ shellcheck ];
     } ''
       shopt -s globstar