ci: tweak to run on self_hosted

Author: thomasjm

.github/workflows/ci.yml

@@ -12,52 +12,54 @@ jobs:
     runs-on: self-hosted
     strategy:
       fail-fast: false
-      matrix:
-        ghc:
-        - "9.6.3"
+      # matrix:
+      #   ghc:
+      #   - "9.6.3"
 
     steps:
-    - name: Install libraries
-      run: |
-        sudo apt update
-        sudo apt install -y libzmq5-dev libpcre3-dev
+    # - name: Install libraries
+    #   run: |
+    #     sudo apt update
+    #     sudo apt install -y libzmq5-dev libpcre3-dev
 
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
 
-    - uses: haskell/actions/setup@v1
-      name: Setup Haskell Stack
-      with:
-        ghc-version: ${{ matrix.ghc }}
-        stack-version: "latest"
-        enable-stack: true
+    # - uses: haskell/actions/setup@v1
+    #   name: Setup Haskell Stack
+    #   with:
+    #     ghc-version: ${{ matrix.ghc }}
+    #     stack-version: "latest"
+    #     enable-stack: true
 
-    - uses: actions/cache@v1
-      name: Cache ~/.stack
-      with:
-        path: ~/.stack
-        key: ${{ runner.os }}-${{ matrix.ghc }}-stack
+    # - uses: actions/cache@v4
+    #   name: Cache ~/.stack
+    #   with:
+    #     path: ~/.stack
+    #     key: ${{ runner.os }}-${{ matrix.ghc }}-stack
 
     - name: Build
       run: |
-        stack build --system-ghc --test --bench --no-run-tests --no-run-benchmarks
+        # stack build --system-ghc --test --bench --no-run-tests --no-run-benchmarks
+        stack build --nix --test --bench --no-run-tests --no-run-benchmarks
 
     - name: Test
       run: |
-        stack test --system-ghc --test-arguments --print
+        # stack test --system-ghc --test-arguments --print
+        stack test --nix --test-arguments --print
 
   no-gmp:
     runs-on: self-hosted
     strategy:
       fail-fast: false
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
 
-    - uses: cachix/install-nix-action@v22
-      with:
-        nix_path: nixpkgs=channel:nixos-unstable
-        extra_nix_config: |
-          trusted-public-keys = hydra.iohk.io:f/Ea+s+dFdN+3Y/G+FDgSq+a5NEWhJGzdjvKNGv0/EQ= cache.nixos.org-1:6NCHdD59X431o0gWypbMrAURkbJ16ZPMQFGspcDShjY=
-          substituters = https://hydra.iohk.io https://cache.nixos.org/
+    # - uses: cachix/install-nix-action@v22
+    #   with:
+    #     nix_path: nixpkgs=channel:nixos-unstable
+    #     extra_nix_config: |
+    #       trusted-public-keys = hydra.iohk.io:f/Ea+s+dFdN+3Y/G+FDgSq+a5NEWhJGzdjvKNGv0/EQ= cache.nixos.org-1:6NCHdD59X431o0gWypbMrAURkbJ16ZPMQFGspcDShjY=
+    #       substituters = https://hydra.iohk.io https://cache.nixos.org/
 
     - name: No GMP
       run: |
@@ -70,14 +72,14 @@ jobs:
       fail-fast: false
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
 
-    - uses: cachix/install-nix-action@v22
-      with:
-        nix_path: nixpkgs=channel:nixos-unstable
-        extra_nix_config: |
-          trusted-public-keys = hydra.iohk.io:f/Ea+s+dFdN+3Y/G+FDgSq+a5NEWhJGzdjvKNGv0/EQ= cache.nixos.org-1:6NCHdD59X431o0gWypbMrAURkbJ16ZPMQFGspcDShjY=
-          substituters = https://hydra.iohk.io https://cache.nixos.org/
+    # - uses: cachix/install-nix-action@v22
+    #   with:
+    #     nix_path: nixpkgs=channel:nixos-unstable
+    #     extra_nix_config: |
+    #       trusted-public-keys = hydra.iohk.io:f/Ea+s+dFdN+3Y/G+FDgSq+a5NEWhJGzdjvKNGv0/EQ= cache.nixos.org-1:6NCHdD59X431o0gWypbMrAURkbJ16ZPMQFGspcDShjY=
+    #       substituters = https://hydra.iohk.io https://cache.nixos.org/
 
     - name: Build
       run: |