Moved get-tested setup to own workflow

This way it can be reused if one does need it in other places and not
only for build matrix generation.

action.yml

@@ -6,7 +6,7 @@ inputs:
     description: "The path to your cabal file, e.g. somefolder/myproject.cabal"
     required: true
   version:
-    description: "Version of the tool"
+    description: "Version of the get-tested tool"
     required: false
     default: ""
   windows:
@@ -44,23 +44,15 @@ runs:
   steps:
     - name: Checkout base repo
       uses: actions/checkout@v4
+
+    - name: Set up get-tested
+      uses: ./setup-get-tested
+      with:
+        version: ${{ inputs.version }}
+
     - name: Set up options
       shell: bash
       run: |
-        gh_release_flags=(
-          --repo Kleidukos/get-tested
-          --pattern 'get-tested-*-Linux-static-x86_64.tar.gz'
-          --output get-tested.tar.gz
-          )
-        if [[ "${{ inputs.version }}" != "" ]]
-        then
-          gh release download "v${{ inputs.version }}" "${gh_release_flags[@]}"
-        else
-          gh release download "${gh_release_flags[@]}"
-        fi
-        tar -xzvf get-tested.tar.gz
-        chmod +x get-tested
-
         echo "::debug:: macOS: ${{ inputs.macos-version }}"
         echo "::debug:: windows: ${{ inputs.windows-version }}"
         echo "::debug:: ubuntu: ${{ inputs.ubuntu-version }}"

setup-get-tested/action.yml

@@ -0,0 +1,45 @@
+name: "Set up get-tested"
+description: "Fetches the get-tested tool"
+
+inputs:
+  version:
+    description: "The version of the get-tested tool. Defaults to 'latest' if unspecified."
+    required: false
+    default: ""
+  directory:
+    description: "The directory where the get-tested executable should be placed."
+    required: false
+    default: "."
+
+outputs:
+  path:
+    description: "The path to the get-tested executable."
+    value: ${{ steps.setup.outputs.path }}
+
+runs:
+  using: "composite"
+  steps:
+    - name: Set up get-tested
+      id: setup
+      shell: bash
+      run: |
+        gh_release_flags=(
+          --repo Kleidukos/get-tested
+          --pattern 'get-tested-*-Linux-static-x86_64.tar.gz'
+          --output get-tested.tar.gz
+          )
+
+        if [[ "${{ inputs.version }}" != "" ]]; then
+          gh release download "v${{ inputs.version }}" "${gh_release_flags[@]}"
+        else
+          gh release download "${gh_release_flags[@]}"
+        fi
+        tar -x -v -z -f get-tested.tar.gz -C "${{ inputs.directory }}"
+
+        path="${{ inputs.directory }}/get-tested"
+        chmod a+x "${path}"
+        echo "path=${path}" >> "${GITHUB_OUTPUT}"
+
+branding:
+  icon: 'list'
+  color: 'blue'