[CI] fix cachix install-nix

There appears to be some unknowns regarding ensuring nix is installed, but not overwritten (see cachix/install-nix-action#98 and https://github.com/cachix/install-nix-actions/pull/100/files).
kquick · Jan 13, 2022 · 4e5f502 · 4e5f502
1 parent 84d8b71
commit 4e5f502
Showing 1 changed file with 24 additions and 2 deletions.
diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
@@ -12,13 +12,14 @@ jobs:
       LC_ALL: en_US.UTF-8
       TZ: America/Los_Angeles
       CI_TEST_LEVEL: "2"
+      # USER: runner
 
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
         ghc-ver: ["8.8.4", "8.10.7", "9.0.2"]
         cabal: [ '3.6.2.0' ]
-        os: [self-hosted]
+        os: [ubuntu-latest]
       # complete all jobs
       fail-fast: false
     name: Macaw - GHC v${{ matrix.ghc-ver }}
@@ -28,8 +29,29 @@ jobs:
       with:
         submodules: true
 
+    - name: Probe Build Environment
+      run: |
+        id
+        echo USER is $USER
+        uname -a
+        echo pwd
+        pwd
+        echo os-release
+        cat /etc/os-release
+        echo attempting sudo
+        sudo whoami
+        echo mounts
+        sudo mount
+        echo what is in /proc?
+        sudo ls /proc
+        echo systemd?
+        systemd
+        echo exists?
+        ls /run/systemd
+        echo OK
+      
     - name: Install Nix
-      uses: cachix/install-nix-action@v16
+      uses: kquick/install-nix-action@master
       with:
         nix_path: nixpkgs=channel:nixos-21.11
         install_url: https://releases.nixos.org/nix/nix-2.4/install