Add tar, split out CI devshell vs interactive devshell (avoid setting up precommit hooks)

.forgejo/workflows/build.yaml

@@ -6,7 +6,7 @@ jobs:
     - name: Checkout
       uses: actions/checkout@v3
     - name: alejandra -c .
-      run: 'nix develop -c alejandra -c .'
+      run: 'nix shell nixpkgs#alejandra -c alejandra -c .'
 
   build:
     runs-on: beefcake
@@ -22,7 +22,7 @@ jobs:
         key: ${{ runner.os }}-build
 
     - name: cargo build
-      run: 'nix develop -c cargo build'
+      run: 'nix develop .#rust-build -c cargo build'
 
   test:
     runs-on: beefcake
@@ -45,7 +45,7 @@ jobs:
         key: ${{ runner.os }}-build
 
     - name: cargo test
-      run: 'nix develop -c cargo test'
+      run: 'nix develop .#rust-build -c cargo test'
 
   formatting-rust:
     runs-on: beefcake
@@ -61,7 +61,7 @@ jobs:
         key: ${{ runner.os }}-formatting
 
     - name: cargo fmt --check
-      run: 'nix develop -c cargo fmt --check'
+      run: 'nix develop .#rust-build -c cargo fmt --check'
 
   lint:
     runs-on: beefcake
@@ -77,4 +77,4 @@ jobs:
         key: ${{ runner.os }}-lint
 
     - name: cargo clippy
-      run: 'nix develop -c cargo clippy'
+      run: 'nix develop .#rust-build -c cargo clippy'

flake.nix

@@ -45,11 +45,8 @@
     devShells = forEachSupportedSystem (system: let
       pkgs = import nixpkgs {inherit system;};
     in {
-      rust-dev = pkgs.mkShell {
-        inherit (outputs.checks.${system}.pre-commit-check) shellHook;
-
-        buildInputs = with pkgs;
-          [
+      rust-build = pkgs.mkShell {
+        buildInputs = with pkgs; [
           cargo
           rustc
           rustfmt
@@ -67,7 +64,14 @@
           libopus
           openssl
           pkg-config
-          ]
+        ];
+      };
+
+      rust-dev = pkgs.mkShell {
+        inherit (outputs.checks.${system}.pre-commit-check) shellHook;
+
+        buildInputs =
+          outputs.devShells.${system}.rust-build.buildInputs
           ++ outputs.checks.${system}.pre-commit-check.enabledPackages;
       };