Add nix devshell for testing

.github/workflows/build_nix.yml

@@ -10,8 +10,10 @@ jobs:
       - uses: actions/checkout@v3
       - uses: cachix/install-nix-action@v12
       - name: Building package
-        run:  nix-build . -A defaultPackage.x86_64-linux
+        run:  nix-build . -A packages.x86_64-linux.default
+      - name: Get commit hash
+        run:  echo "COMMIT_HASH=${GITHUB_SHA::6}" >> $GITHUB_ENV
       - uses: actions/upload-artifact@v3
         with:
-          name: url-eater-x86_64-linux
+          name: eleanor-server-${{ env.COMMIT_HASH }}-x86_64-linux
           path: result/bin/eleanor-server

flake.nix

@@ -11,13 +11,13 @@
         pkgs = import nixpkgs { inherit system; };
         naersk-lib = pkgs.callPackage naersk { };
       in {
-        defaultPackage = naersk-lib.buildPackage {
+        packages.default = naersk-lib.buildPackage {
           src = ./.;
           nativeBuildInputs = with pkgs; [ pkg-config ];
           buildInputs = with pkgs; [ openssl ];
         };
-        devShell = with pkgs;
-          mkShell {
+        devShells = with pkgs; {
+          default = mkShell {
             buildInputs = [
               openssl
               pkg-config
@@ -30,5 +30,34 @@
             ];
             RUST_SRC_PATH = rustPlatform.rustLibSrc;
           };
+
+          dev = mkShell {
+            buildInputs = [ openssl pkg-config cargo ];
+            shellHook = ''
+              testenv=$(mktemp -d --suffix "eleanor-server")
+              cargo build -Z unstable-options --out-dir $testenv
+
+              echo -e 'Built eleanor-server\n'
+
+              cd $testenv
+              cat << EOF >> settings.toml
+              port = 8008
+
+              [[sources]]
+              id = 0
+              path = "~/Music"
+              EOF
+
+              echo -e 'Generated settings.toml with source 0 pointing to `~/Music`\n'
+
+              ./eleanor-server user add test password
+
+              echo -e '\nAdded user with credentials `test:password`\n'
+              echo -e 'Running eleanor-server\n'
+
+              exec ./eleanor-server
+            '';
+          };
+        };
       });
 }