dist: run tests

This used to be impossible due to nix jank which has been addressed.

Signed-off-by: Ophestra <cat@gensokyo.uk>

flake.nix

@@ -143,19 +143,27 @@
             "bin/mount.fuse.sharefs" = "${hakurei}/libexec/sharefs";
           };
 
-          dist = pkgs.runCommand "${hakurei.name}-dist" { buildInputs = hakurei.targetPkgs ++ [ pkgs.pkgsStatic.musl ]; } ''
-            # go requires XDG_CACHE_HOME for the build cache
-            export XDG_CACHE_HOME="$(mktemp -d)"
+          dist =
+            pkgs.runCommand "${hakurei.name}-dist"
+              {
+                buildInputs = hakurei.targetPkgs ++ [
+                  pkgs.pkgsStatic.musl
+                ];
+              }
+              ''
+                cd $(mktemp -d) \
+                    && cp -r ${hakurei.src}/. . \
+                    && chmod +w cmd && cp -r ${hsu.src}/. cmd/hsu/ \
+                    && chmod -R +w .
 
-            # get a different workdir as go does not like /build
-            cd $(mktemp -d) \
-                && cp -r ${hakurei.src}/. . \
-                && chmod +w cmd && cp -r ${hsu.src}/. cmd/hsu/ \
-                && chmod -R +w .
-
-            export HAKUREI_VERSION="v${hakurei.version}"
-            CC="clang -O3 -Werror" ./dist/release.sh && mkdir $out && cp -v "dist/hakurei-$HAKUREI_VERSION.tar.gz"* $out
-          '';
+                CC="musl-clang -O3 -Werror -Qunused-arguments" \
+                GOCACHE="$(mktemp -d)" \
+                HAKUREI_TEST_SKIP_ACL=1 \
+                PATH="${pkgs.pkgsStatic.musl.bin}/bin:$PATH" \
+                DESTDIR="$out" \
+                HAKUREI_VERSION="v${hakurei.version}" \
+                  ./dist/release.sh
+              '';
         }
       );