From 438ae98b1ce7b50b0e8b72f1e7dc467ffe4c7087 Mon Sep 17 00:00:00 2001
From: Adam Shannon <adamkshannon@gmail.com>
Date: Mon, 26 Nov 2018 09:03:40 -0800
Subject: [PATCH] java: don't try to run keytool during check if it's not
 available (#90)

If JAVA_HOME isn't set then keytoolPath has an invalid path. This means
checkJava() fails and doesn't tell the problem clearly to the user.

Fixes #88
---
 truststore_java.go | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/truststore_java.go b/truststore_java.go
index a7d3980..aa7cd18 100644
--- a/truststore_java.go
+++ b/truststore_java.go
@@ -58,6 +58,10 @@ func init() {
 }
 
 func (m *mkcert) checkJava() bool {
+	if !hasKeytool {
+		return false
+	}
+
 	// exists returns true if the given x509.Certificate's fingerprint
 	// is in the keytool -list output
 	exists := func(c *x509.Certificate, h hash.Hash, keytoolOutput []byte) bool {