Add nix fmt to CI and clean up flake

.github/workflows/nix-lints.yml

@@ -0,0 +1,55 @@
+name: Nix Lints
+
+on:
+  push:
+    paths:
+      # Run if workflow changes
+      - '.github/workflows/nix-lints.yml'
+      # Run on changed flake
+      - 'flake.nix'
+      - 'flake.lock'
+    branches:
+      - main
+  pull_request:
+    branches: main
+  # Run manually
+  workflow_dispatch:
+
+jobs:
+  nix_fmt:
+    name: Nix format
+    runs-on: ubuntu-latest
+    steps:
+    - name: Checkout
+      uses: actions/checkout@v3
+
+    - name: Install nix
+      uses: cachix/install-nix-action@v22
+
+    - name: Cache /nix/store
+      uses: actions/cache@v3
+      with:
+        path: /nix/store
+        key: ${{ runner.os }}-${{ hashFiles('flake.*') }}-${{ hashFiles('.github/workflows/web-api-ci.yml') }}
+
+    - name: Check nix formatting
+      run: nix fmt --accept-flake-config -- --check .
+
+  nix_dead_code:
+    name: Nix dead code
+    runs-on: ubuntu-latest
+    steps:
+    - name: Checkout
+      uses: actions/checkout@v3
+
+    - name: Install nix
+      uses: cachix/install-nix-action@v22
+
+    - name: Cache /nix/store
+      uses: actions/cache@v3
+      with:
+        path: /nix/store
+        key: ${{ runner.os }}-${{ hashFiles('flake.*') }}-${{ hashFiles('.github/workflows/web-api-ci.yml') }}
+
+    - name: Check for dead nix code
+      run: nix run github:astro/deadnix -- .

.github/workflows/rvoc-backend.yml

@@ -16,8 +16,7 @@ on:
     branches: main
   pull_request:
     branches: main
-  # Sometimes the rules above don't match even though they should.
-  # This allows us to run the workflow manually anyways.
+  # Run manually
   workflow_dispatch:
 
 env:

.github/workflows/web-api-ci.yml

@@ -18,17 +18,14 @@ on:
       - 'flake.lock'
     branches: 
       - main
-      # We are creating this workflow on this branch, hence we enable it here.
-      # This can be deleted once the branch is removed.
-      - 42-add-user-account-creation
   pull_request:
     branches: main
-  # Sometimes the rules above don't match even though they should.
-  # This allows us to run the workflow manually anyways.
+  # Run manually
   workflow_dispatch:
 
 jobs:
   run_integration_tests:
+    name: Backend integration tests
     runs-on: ubuntu-latest
     steps:
     - name: Checkout

flake.nix

@@ -18,120 +18,119 @@
       };
     };
   };
-  outputs = {self, nixpkgs, flake-utils, rust-overlay, crane}:
-    flake-utils.lib.eachDefaultSystem
-      (system:
-        let
-          system = "x86_64-linux";
-          overlays = [(import rust-overlay)];
-          pkgs = import nixpkgs {
-            inherit system overlays;
-          };
-          inherit (pkgs) lib;
-          rustToolchain = pkgs.pkgsBuildHost.rust-bin.fromRustupToolchainFile ./rust-toolchain.toml;
-          craneLib = (crane.mkLib pkgs).overrideToolchain rustToolchain;
-          src = lib.cleanSourceWith {
-            src = ./.; # The original, unfiltered source
-            filter = path: type:
-              # Allow sql files for migrations
-              (lib.hasSuffix "\.sql" path) ||
-              # Default filter from crane (allow .rs files)
-              (craneLib.filterCargoSources path type)
-            ;
-          };
-          nativeBuildInputs = with pkgs; [rustToolchain pkg-config];
-          buildInputs = with pkgs; [rustToolchain openssl postgresql_15.lib];
-          developmentTools = with pkgs; [(diesel-cli.override {sqliteSupport = false; mysqlSupport = false;}) postgresql cargo];
-          commonArgs = {
-            inherit src buildInputs nativeBuildInputs;
-            installCargoArtifactsMode = "use-zstd";
-            strictDeps = true;
-          };
-          integrationTestsArtifacts = craneLib.buildDepsOnly(commonArgs // {
-            cargoBuildCommand = "cargo build --profile dev";
-            cargoExtraArgs = "--bin integration-tests";
-            doCheck = false;
-            pname = "integration-tests";
-          });
-          integrationTestsBinary = craneLib.buildPackage(commonArgs // {
-            cargoArtifacts = integrationTestsArtifacts;
-            cargoBuildCommand = "cargo build --profile dev";
-            cargoExtraArgs = "--bin integration-tests";
-            doCheck = false;
-            pname = "integration-tests";
-          });
-          cargoDebugArtifacts = craneLib.buildDepsOnly(commonArgs // {
-            cargoBuildCommand = "cargo build --profile dev";
-            cargoExtraArgs = "--bin rvoc-backend";
-            doCheck = false;
-            pname = "rvoc-backend";
-          });
-          debugBinary = craneLib.buildPackage(commonArgs // {
-            cargoArtifacts = cargoDebugArtifacts;
-            cargoBuildCommand = "cargo build --profile dev";
-            cargoExtraArgs = "--bin rvoc-backend";
-            doCheck = false;
-            pname = "rvoc-backend";
-          });
-          cargoArtifacts = craneLib.buildDepsOnly(commonArgs // {
-            cargoBuildCommand = "cargo build --profile release";
-            cargoExtraArgs = "--bin rvoc-backend";
-            doCheck = false;
-            pname = "rvoc-backend";
-          });
-          binary = craneLib.buildPackage(commonArgs // {
-            cargoArtifacts = cargoArtifacts;
-            cargoBuildCommand = "cargo build --profile release";
-            cargoExtraArgs = "--bin rvoc-backend";
-            pname = "rvoc-backend";
-          });
-          dockerImage = pkgs.dockerTools.streamLayeredImage {
-            name = "rvoc-backend";
-            tag = "latest";
-            contents = [binary pkgs.cacert];
-            config = {
-              Cmd = ["${binary}/bin/rvoc-backend"];
-            };
-          };
-          debugDockerImage = pkgs.dockerTools.streamLayeredImage {
-            name = "rvoc-backend";
-            tag = "latest";
-            contents = [debugBinary pkgs.cacert];
-            config = {
-              Cmd = ["${debugBinary}/bin/rvoc-backend"];
-            };
-          };
-        in
-        with pkgs;
-        {
-          packages = {
-            inherit binary debugBinary integrationTestsBinary dockerImage debugDockerImage;
-            default = binary;
-          };
-          devShells.default = mkShell {
-            inputsFrom = [binary];
-            buildInputs = with pkgs; [dive wget];
-            packages = developmentTools;
-            shellHook = ''
-              export PGDATA=$PWD/backend/data/postgres_dev_data
-              export PGHOST=$PWD/backend/data/postgres_dev
-              export LOG_PATH=$PWD/backend/data/postgres_dev/LOG
-              export PGDATABASE=rvoc_dev
-              export POSTGRES_RVOC_URL="postgresql://''${USER}@/''${PGDATABASE}?host=$PGHOST"
-              export DATABASE_URL=$POSTGRES_RVOC_URL
-              if [ ! -d $PGHOST ]; then
-                mkdir -p $PGHOST
-              fi
-              if [ ! -d $PGDATA ]; then
-                echo 'Initializing postgresql database...'
-                initdb $PGDATA --auth=trust >/dev/null
-              fi
-              echo "Starting postgres"
-              pg_ctl start -l $LOG_PATH -o "-c listen_addresses= -c unix_socket_directories=$PGHOST"
-              echo "Shell hook finished"
-            '';
-          };
-        }
+  outputs = { self, nixpkgs, flake-utils, rust-overlay, crane }:
+    let
+      system = "x86_64-linux";
+      overlays = [ (import rust-overlay) ];
+      pkgs = import nixpkgs {
+        inherit system overlays;
+      };
+      inherit (pkgs) lib;
+      rustToolchain = pkgs.pkgsBuildHost.rust-bin.fromRustupToolchainFile ./rust-toolchain.toml;
+      craneLib = (crane.mkLib pkgs).overrideToolchain rustToolchain;
+      src = lib.cleanSourceWith {
+        src = ./.; # The original, unfiltered source
+        filter = path: type:
+          # Allow sql files for migrations
+          (lib.hasSuffix "\.sql" path) ||
+          # Default filter from crane (allow .rs files)
+          (craneLib.filterCargoSources path type)
+        ;
+      };
+      nativeBuildInputs = with pkgs; [ rustToolchain pkg-config ];
+      buildInputs = with pkgs; [ rustToolchain openssl postgresql_15.lib ];
+      developmentTools = with pkgs; [ (diesel-cli.override { sqliteSupport = false; mysqlSupport = false; }) postgresql cargo ];
+      commonArgs = {
+        inherit src buildInputs nativeBuildInputs;
+        installCargoArtifactsMode = "use-zstd";
+        strictDeps = true;
+      };
+      integrationTestsArtifacts = craneLib.buildDepsOnly (commonArgs // {
+        cargoBuildCommand = "cargo build --profile dev";
+        cargoExtraArgs = "--bin integration-tests";
+        doCheck = false;
+        pname = "integration-tests";
+      });
+      integrationTestsBinary = craneLib.buildPackage (commonArgs // {
+        cargoArtifacts = integrationTestsArtifacts;
+        cargoBuildCommand = "cargo build --profile dev";
+        cargoExtraArgs = "--bin integration-tests";
+        doCheck = false;
+        pname = "integration-tests";
+      });
+      cargoDebugArtifacts = craneLib.buildDepsOnly (commonArgs // {
+        cargoBuildCommand = "cargo build --profile dev";
+        cargoExtraArgs = "--bin rvoc-backend";
+        doCheck = false;
+        pname = "rvoc-backend";
+      });
+      debugBinary = craneLib.buildPackage (commonArgs // {
+        cargoArtifacts = cargoDebugArtifacts;
+        cargoBuildCommand = "cargo build --profile dev";
+        cargoExtraArgs = "--bin rvoc-backend";
+        doCheck = false;
+        pname = "rvoc-backend";
+      });
+      cargoArtifacts = craneLib.buildDepsOnly (commonArgs // {
+        cargoBuildCommand = "cargo build --profile release";
+        cargoExtraArgs = "--bin rvoc-backend";
+        doCheck = false;
+        pname = "rvoc-backend";
+      });
+      binary = craneLib.buildPackage (commonArgs // {
+        cargoArtifacts = cargoArtifacts;
+        cargoBuildCommand = "cargo build --profile release";
+        cargoExtraArgs = "--bin rvoc-backend";
+        pname = "rvoc-backend";
+      });
+      dockerImage = pkgs.dockerTools.streamLayeredImage {
+        name = "rvoc-backend";
+        tag = "latest";
+        contents = [ binary pkgs.cacert ];
+        config = {
+          Cmd = [ "${binary}/bin/rvoc-backend" ];
+        };
+      };
+      debugDockerImage = pkgs.dockerTools.streamLayeredImage {
+        name = "rvoc-backend";
+        tag = "latest";
+        contents = [ debugBinary pkgs.cacert ];
+        config = {
+          Cmd = [ "${debugBinary}/bin/rvoc-backend" ];
+        };
+      };
+    in
+    with pkgs;
+    {
+      packages.${system} = {
+        inherit binary debugBinary integrationTestsBinary dockerImage debugDockerImage;
+        default = binary;
+      };
+
+      formatter.${system} = pkgs.nixpkgs-fmt;
 
-      );
+      devShells.${system}.default = mkShell {
+        inputsFrom = [ binary ];
+        buildInputs = with pkgs; [ dive wget ];
+        packages = developmentTools;
+        shellHook = ''
+          export PGDATA=$PWD/backend/data/postgres_dev_data
+          export PGHOST=$PWD/backend/data/postgres_dev
+          export LOG_PATH=$PWD/backend/data/postgres_dev/LOG
+          export PGDATABASE=rvoc_dev
+          export POSTGRES_RVOC_URL="postgresql://''${USER}@/''${PGDATABASE}?host=$PGHOST"
+          export DATABASE_URL=$POSTGRES_RVOC_URL
+          if [ ! -d $PGHOST ]; then
+            mkdir -p $PGHOST
+          fi
+          if [ ! -d $PGDATA ]; then
+            echo 'Initializing postgresql database...'
+            initdb $PGDATA --auth=trust >/dev/null
+          fi
+          echo "Starting postgres"
+          pg_ctl start -l $LOG_PATH -o "-c listen_addresses= -c unix_socket_directories=$PGHOST"
+          echo "Shell hook finished"
+        '';
+      };
+    };
 }