From 75f4435545bd4bffe30195a7bfce6581607dad69 Mon Sep 17 00:00:00 2001
From: shimataro <shimataro@zelkova.cc>
Date: Mon, 8 Mar 2021 17:40:09 +0900
Subject: [PATCH] implement

---
 .github/workflows/verify-on-ubuntu.yml |  3 ---
 lib/index.js                           | 27 +++++++++++++++++---
 src/main.ts                            | 34 ++++++++++++++++++++++----
 3 files changed, 52 insertions(+), 12 deletions(-)

diff --git a/.github/workflows/verify-on-ubuntu.yml b/.github/workflows/verify-on-ubuntu.yml
index 5839b0b..28aab71 100644
--- a/.github/workflows/verify-on-ubuntu.yml
+++ b/.github/workflows/verify-on-ubuntu.yml
@@ -275,9 +275,6 @@ jobs:
       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
diff --git a/lib/index.js b/lib/index.js
index b7f6a6f..5c07890 100644
--- a/lib/index.js
+++ b/lib/index.js
@@ -428,18 +428,16 @@ const core = __importStar(__nccwpck_require__(186));
 function main() {
     try {
         // parameters
+        const noKnownHosts = string2boolean(core.getInput("no_known_hosts"));
         const key = core.getInput("key", {
             required: true,
         });
         const name = core.getInput("name");
         const knownHosts = core.getInput("known_hosts", {
-            required: true,
+            required: !noKnownHosts, // optional if no_known_hosts is true
         });
         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");
@@ -487,6 +485,27 @@ function main() {
         core.setFailed(err.message);
     }
 }
+/**
+ * convert string to boolean
+ * @param value string value
+ * @returns boolean value
+ */
+function string2boolean(value) {
+    // true if "true" / "yes" / "on"
+    switch (value.trim().toLowerCase()) {
+        case "true":
+        case "yes":
+        case "on":
+            return true;
+    }
+    // true if number and non-zero
+    const numberValue = Number(value);
+    if (!isNaN(numberValue) && numberValue !== 0) {
+        return true;
+    }
+    // false otherwise
+    return false;
+}
 /**
  * get home directory
  * @returns home directory
diff --git a/src/main.ts b/src/main.ts
index 429be53..3670892 100644
--- a/src/main.ts
+++ b/src/main.ts
@@ -18,20 +18,17 @@ function main(): void
 	try
 	{
 		// parameters
+		const noKnownHosts = string2boolean(core.getInput("no_known_hosts"));
 		const key = core.getInput("key", {
 			required: true,
 		});
 		const name = core.getInput("name");
 		const knownHosts = core.getInput("known_hosts", {
-			required: true,
+			required: !noKnownHosts, // optional if no_known_hosts is true
 		});
 		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");
@@ -86,6 +83,33 @@ function main(): void
 	}
 }
 
+/**
+ * convert string to boolean
+ * @param value string value
+ * @returns boolean value
+ */
+function string2boolean(value: string): boolean
+{
+	// true if "true" / "yes" / "on"
+	switch(value.trim().toLowerCase())
+	{
+	case "true":
+	case "yes":
+	case "on":
+		return true;
+	}
+
+	// true if number and non-zero
+	const numberValue = Number(value);
+	if(!isNaN(numberValue) && numberValue !== 0)
+	{
+		return true;
+	}
+
+	// false otherwise
+	return false;
+}
+
 /**
  * get home directory
  * @returns home directory