test no_known_hosts parameter

.github/workflows/verify-on-ubuntu.yml

@@ -257,3 +257,27 @@ jobs:
       run: ls -l ~/.ssh
     - name: git clone through SSH
       run: git clone git@github.com:shimataro/ssh-key-action.git tmp
+
+  no_known_hosts:
+    name: no known_hosts file
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: false
+      matrix:
+        os:
+        - ubuntu-16.04
+        - ubuntu-18.04
+        - ubuntu-20.04
+    steps:
+    - name: Checkout source codes
+      uses: actions/checkout@v2
+    - name: Install SSH key
+      uses: ./.
+      with:
+        key: ${{ secrets.SSH_KEY_PEM }}
+        known_hosts: ${{ secrets.KNOWN_HOSTS }}
+        no_known_hosts: true
+    - name: print created files
+      run: ls -l ~/.ssh
+    - name: git clone through SSH
+      run: git clone git@github.com:shimataro/ssh-key-action.git tmp

action.yml

@@ -25,6 +25,10 @@ inputs:
     description: "replace / ignore / fail"
     required: false
     default: "fail"
+  no_known_hosts:
+    description: "enables not providing known_hosts file"
+    required: false
+    default: "0"
 runs:
   using: "node12"
   main: "lib/index.js"

lib/index.js

@@ -437,6 +437,9 @@ function main() {
         });
         const config = core.getInput("config");
         const ifKeyExists = core.getInput("if_key_exists");
+        // test
+        const noKnownHosts = core.getInput("no_known_hosts");
+        console.log(noKnownHosts);
         // create ".ssh" directory
         const home = getHomeDirectory();
         const dirName = path_1.default.resolve(home, ".ssh");

src/main.ts

@@ -28,6 +28,10 @@ function main(): void
 		const config = core.getInput("config");
 		const ifKeyExists = core.getInput("if_key_exists");
 
+		// test
+		const noKnownHosts = core.getInput("no_known_hosts");
+		console.log(noKnownHosts);
+
 		// create ".ssh" directory
 		const home = getHomeDirectory();
 		const dirName = path.resolve(home, ".ssh");