Remove hlint from nix required CI

.github/workflows/check-hlint.yml

@@ -0,0 +1,34 @@
+name: Check HLint
+
+on:
+  push:
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    defaults:
+      run:
+        shell: bash
+
+    steps:
+
+    - name: Install Nix
+      uses: cachix/install-nix-action@v18
+      with:
+        # Use last stable nixos channel and the same nix as in channel:
+        install_url: https://releases.nixos.org/nix/nix-2.11.1/install
+        nix_path: nixpkgs=channel:nixos-22.11
+        github_access_token: ${{ secrets.GITHUB_TOKEN }}
+        extra_nix_config: |
+          access-tokens = github.com=${{ secrets.GITHUB_TOKEN }}
+          experimental-features = nix-command flakes
+          allow-import-from-derivation = true
+          substituters = https://cache.nixos.org https://cache.iog.io
+          trusted-public-keys = hydra.iohk.io:f/Ea+s+dFdN+3Y/G+FDgSq+a5NEWhJGzdjvKNGv0/EQ= cache.nixos.org-1:6NCHdD59X431o0gWypbMrAURkbJ16ZPMQFGspcDShjY=
+
+    - uses: actions/checkout@v2
+
+    - name: Run hlint
+      run: |
+        nix build -L '.#checks/hlint'

.github/workflows/check-mainnet-config.yml

@@ -14,15 +14,18 @@ jobs:
     steps:
 
     - name: Install Nix
-      uses: cachix/install-nix-action@v16
+      uses: cachix/install-nix-action@v18
       with:
+        # Use last stable nixos channel and the same nix as in channel:
+        install_url: https://releases.nixos.org/nix/nix-2.11.1/install
+        nix_path: nixpkgs=channel:nixos-22.11
         github_access_token: ${{ secrets.GITHUB_TOKEN }}
         extra_nix_config: |
           access-tokens = github.com=${{ secrets.GITHUB_TOKEN }}
           experimental-features = nix-command flakes
           allow-import-from-derivation = true
           substituters = https://cache.nixos.org https://cache.iog.io
-          trusted-public-keys = iohk.cachix.org-1:DpRUyj7h7V830dp/i6Nti+NEO2/nhblbov/8MW7Rqoo= hydra.iohk.io:f/Ea+s+dFdN+3Y/G+FDgSq+a5NEWhJGzdjvKNGv0/EQ= cache.nixos.org-1:6NCHdD59X431o0gWypbMrAURkbJ16ZPMQFGspcDShjY=
+          trusted-public-keys = hydra.iohk.io:f/Ea+s+dFdN+3Y/G+FDgSq+a5NEWhJGzdjvKNGv0/EQ= cache.nixos.org-1:6NCHdD59X431o0gWypbMrAURkbJ16ZPMQFGspcDShjY=
 
     - uses: actions/checkout@v2
 

.github/workflows/check-nix-config.yml

@@ -16,13 +16,16 @@ jobs:
     - name: Install Nix
       uses: cachix/install-nix-action@v18
       with:
+        # Use last stable nixos channel and the same nix as in channel:
+        install_url: https://releases.nixos.org/nix/nix-2.11.1/install
+        nix_path: nixpkgs=channel:nixos-22.11
         github_access_token: ${{ secrets.GITHUB_TOKEN }}
         extra_nix_config: |
           access-tokens = github.com=${{ secrets.GITHUB_TOKEN }}
           experimental-features = nix-command flakes
           allow-import-from-derivation = true
-          substituters = https://cache.nixos.org https://hydra.iohk.io
-          trusted-public-keys = iohk.cachix.org-1:DpRUyj7h7V830dp/i6Nti+NEO2/nhblbov/8MW7Rqoo= hydra.iohk.io:f/Ea+s+dFdN+3Y/G+FDgSq+a5NEWhJGzdjvKNGv0/EQ= cache.nixos.org-1:6NCHdD59X431o0gWypbMrAURkbJ16ZPMQFGspcDShjY=
+          substituters = https://cache.nixos.org https://cache.iog.io
+          trusted-public-keys = hydra.iohk.io:f/Ea+s+dFdN+3Y/G+FDgSq+a5NEWhJGzdjvKNGv0/EQ= cache.nixos.org-1:6NCHdD59X431o0gWypbMrAURkbJ16ZPMQFGspcDShjY=
 
     - uses: actions/checkout@v2
 

flake.nix

@@ -317,7 +317,11 @@
               };
             };
           };
-          defaultNonRequiredPaths = [ "windows.checks.cardano-tracer.cardano-tracer-test"
+          defaultNonRequiredPaths = [
+              # hlint required status is controled via the github action:
+              "native.checks/hlint"
+              #FIXME: cardano-tracer-test for windows should probably be disabled in haskell.nix config:
+              "windows.checks.cardano-tracer.cardano-tracer-test"
               #FIXME: plutus-scripts-bench (dep of tx-generator) does not compile for windows:
               "windows.tx-generator"
               "windows.benchmarks.tx-generator"