opt-out rather than opt-in

action.yml

@@ -6,9 +6,10 @@ inputs:
         required: true
     ssh-auth-sock:
         description: 'Where to place the SSH Agent auth socket'
-    log-public-key:
+    dont-log-public-key:
         description: 'Whether or not to log public key fingerprints'
-        default: true
+        required: false
+        default: false
 runs:
     using: 'node12'
     main: 'dist/index.js'

index.js

@@ -6,7 +6,7 @@ const { home, sshAgent, sshAdd } = require('./paths.js');
 
 try {
     const privateKey = core.getInput('ssh-private-key');
-    const logPublicKey = core.getBooleanInput('log-public-key');
+    const dontLogPublicKey = core.getBooleanInput('dont-log-public-key', {default: false});
 
     if (!privateKey) {
         core.setFailed("The ssh-private-key argument is empty. Maybe the secret has not been configured, or you are using a wrong secret name in your workflow file.");
@@ -55,7 +55,7 @@ try {
         const parts = key.match(/\bgithub\.com[:/]([_.a-z0-9-]+\/[_.a-z0-9-]+)/i);
 
         if (!parts) {
-            if (logPublicKey) {
+            if (!dontLogPublicKey) {
               console.log(`Comment for (public) key '${key}' does not match GitHub URL pattern. Not treating it as a GitHub deploy key.`);
             }
             return;