ssh_private_key pass as arg

Author: mzpx

.github/workflows/extra_soundness.yml

@@ -15,10 +15,10 @@ on:
         type: string
         description: "List of Swift versions to test with."
         default: '["6.0", "6.1"]'
-      use_ssh_for_private_deps:
-        type: boolean
-        description: "Set up ssh-agent with SSH_PRIVATE_KEY to fetch private SwiftPM deps over SSH."
-        default: false
+      ssh_private_key:
+        type: string
+        description: "Private SSH key to use for private SwiftPM dependencies"
+        default: ""
 
 concurrency:
   group: ${{ github.workflow }}-${{ github.ref }}-extra-soundness
@@ -50,15 +50,15 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@v4
-        
-      - name: Set up SSH for private SwiftPM deps
-        if: ${{ inputs.use_ssh_for_private_deps }}
+
+      - name: Set up SSH if key provided
+        if: ${{ inputs.ssh_private_key != '' }}
         uses: webfactory/ssh-agent@v0.9.0
         with:
-          ssh-private-key: ${{ secrets.SSH_PRIVATE_KEY }}
+          ssh-private-key: ${{ inputs.ssh_private_key }}
 
-      - name: Trust github.com host key
-        if: ${{ inputs.use_ssh_for_private_deps }}
+      - name: Trust github.com
+        if: ${{ inputs.ssh_private_key != '' }}
         run: |
           mkdir -p ~/.ssh
           ssh-keyscan github.com >> ~/.ssh/known_hosts