Implement resolution of '~' in keyfile location

Author: sirthias

build.sbt

@@ -1,6 +1,6 @@
 name := "scala-ssh"
 
-version := "0.6.0"
+version := "0.6.1-SNAPSHOT"
 
 organization := "com.decodified"
 

src/main/scala/com/decodified/scalassh/HostConfig.scala

@@ -103,7 +103,9 @@ abstract class FromStringsHostConfigProvider extends HostConfigProvider {
         keyfile.map {
           case kf if kf.startsWith("+") => kf.tail :: DefaultKeyLocations
           case kf => kf :: Nil
-        }.getOrElse(DefaultKeyLocations)
+        }.getOrElse(DefaultKeyLocations).map(
+          _.replaceFirst("^~/", System.getProperty("user.home") + '/').replace('/', File.separatorChar)
+        )
       )
     }
   }

src/main/scala/com/decodified/scalassh/SshLogin.scala

@@ -31,10 +31,7 @@ case class PublicKeyLogin(
 ) extends SshLogin
 
 object PublicKeyLogin {
-  lazy val DefaultKeyLocations = {
-    val base = System.getProperty("user.home") + File.separator + ".ssh" + File.separator
-    (base + "id_rsa") :: (base + "id_dsa") :: Nil
-  }
+  lazy val DefaultKeyLocations = "~/.ssh/id_rsa" :: "~/.ssh/id_dsa" :: Nil
   def apply(user: String): PublicKeyLogin =
     apply(user, None, DefaultKeyLocations)
   def apply(user: String, keyfileLocations: String*): PublicKeyLogin =