Use composite action to reuse setup steps (#433)

* Add github action to check flake groups
* Run on pull_requests and filter ~files~ *paths*
* Use composite action to reuse setup steps
* Use common setuo for frontend action
* Fix path to action
* Remove checkout action from common setup
Checkout needed to fetch action
* Provide secrets to action

Co-authored-by: Rok Garbas <rok@garbas.si>

.github/actions/common-setup/action.yml

@@ -0,0 +1,23 @@
+name: Setup Environment
+inputs:
+  CACHIX_SIGNING_KEY: # determines what node version to install
+    required: true
+    description: 'Cachix Signing Key'
+runs:
+  using: "composite"
+  steps:
+  
+    - name: Installing Nix
+      uses: cachix/install-nix-action@v16
+      with:
+        nix_path: nixpkgs=channel:nixpkgs-unstable
+
+    - uses: cachix/cachix-action@v10
+      with:
+        name: nixos-search
+        signingKey: '${{ inputs.CACHIX_SIGNING_KEY }}'
+
+    - name: Installing jq
+      shell: bash
+      run: |
+        nix-env -f '<nixpkgs>' -iA jq

.github/workflows/check-flake-files.yml

@@ -16,7 +16,7 @@ jobs:
 
     env:
       RUST_LOG: debug
-    
+
     steps:
 
     - name: Checking out the repository
@@ -24,24 +24,10 @@ jobs:
       with:
         fetch-depth: 0
 
-    - name: Installing Nix
-      uses: cachix/install-nix-action@v16
+    - name: Setup
+      uses: ./.github/actions/common-setup
       with:
-        install_url: https://nixos-nix-install-tests.cachix.org/serve/i6laym9jw3wg9mw6ncyrk6gjx4l34vvx/install
-        install_options: '--tarball-url-prefix https://nixos-nix-install-tests.cachix.org/serve'
-        extra_nix_config: |
-          experimental-features = nix-command flakes
-          access-tokens = github.com=${{ secrets.GITHUB_TOKEN }}
-
-    - uses: cachix/cachix-action@v10
-      with:
-        name: nixos-search
-        signingKey: '${{ secrets.CACHIX_SIGNING_KEY }}'
-
-    - name: Install unstable channel
-      run: |
-        nix-channel --add https://nixos.org/channels/nixpkgs-unstable
-        nix-channel --update
+        CACHIX_SIGNING_KEY: ${{ secrets.CACHIX_SIGNING_KEY }}
 
     - name: Building import_scripts
       run: |

.github/workflows/frontend.yml

@@ -13,13 +13,12 @@ jobs:
       with:
         fetch-depth: 0
 
-    - name: Installing Nix
-      uses: cachix/install-nix-action@v16
-
-    - uses: cachix/cachix-action@v10
+    - name: Setup
+      uses: ./.github/actions/common-setup
       with:
-        name: nixos-search
-        signingKey: '${{ secrets.CACHIX_SIGNING_KEY }}'
+        CACHIX_SIGNING_KEY: ${{ secrets.CACHIX_SIGNING_KEY }}
+
+   
 
     - name: Building search.nixos.org
       run: |

.github/workflows/import-flakes.yml

@@ -29,19 +29,12 @@ jobs:
       with:
         fetch-depth: 0
 
-    - name: Installing Nix
-      uses: cachix/install-nix-action@v16
+    - name: Setup
+      uses: ./.github/actions/common-setup
       with:
-        nix_path: nixpkgs=channel:nixpkgs-unstable
+        CACHIX_SIGNING_KEY: ${{ secrets.CACHIX_SIGNING_KEY }}
 
-    - uses: cachix/cachix-action@v10
-      with:
-        name: nixos-search
-        signingKey: '${{ secrets.CACHIX_SIGNING_KEY }}'
-
-    - name: Installing jq
-      run: |
-        nix-env -f '<nixpkgs>' -iA jq
+   
 
     - name: Building flake-info
       run: |

.github/workflows/import-nixpkgs.yml

@@ -25,25 +25,17 @@ jobs:
       FI_ES_URL: ${{ secrets.ELASTICSEARCH_URL }}
 
     steps:
-
     - name: Checking out the repository
       uses: actions/checkout@v2
       with:
         fetch-depth: 0
 
-    - name: Installing Nix
-      uses: cachix/install-nix-action@v16
+    - name: Setup
+      uses: ./.github/actions/common-setup
       with:
-        nix_path: nixpkgs=channel:nixpkgs-unstable
+        CACHIX_SIGNING_KEY: ${{ secrets.CACHIX_SIGNING_KEY }}
 
-    - uses: cachix/cachix-action@v10
-      with:
-        name: nixos-search
-        signingKey: '${{ secrets.CACHIX_SIGNING_KEY }}'
-
-    - name: Installing jq
-      run: |
-        nix-env -f '<nixpkgs>' -iA jq
+   
 
     - name: Building flake-info
       run: |