Switch FilePaths to DirectoryPaths in Agent Info

Author: Cheesebaron

src/Cake.Common/Build/AzurePipelines/Data/AzurePipelinesAgentInfo.cs

@@ -28,7 +28,7 @@ public AzurePipelinesAgentInfo(ICakeEnvironment environment)
         /// The local path on the agent where all folders for a given build definition are created.
         /// </value>
         /// <example><c>c:\agent\_work\1</c>.</example>
-        public FilePath BuildDirectory => GetEnvironmentString("AGENT_BUILDDIRECTORY");
+        public DirectoryPath BuildDirectory => GetEnvironmentString("AGENT_BUILDDIRECTORY");
 
         /// <summary>
         /// Gets the directory the agent is installed into. This contains the agent software.
@@ -38,15 +38,15 @@ public AzurePipelinesAgentInfo(ICakeEnvironment environment)
         /// The directory the agent is installed into.
         /// </value>
         /// <example><c>c:\agent\</c>.</example>
-        public FilePath HomeDirectory => GetEnvironmentString("AGENT_HOMEDIRECTORY");
+        public DirectoryPath HomeDirectory => GetEnvironmentString("AGENT_HOMEDIRECTORY");
 
         /// <summary>
         /// Gets the working directory for this agent.
         /// </summary>
         /// <value>
         /// The working directory for this agent.
         /// </value>
-        public FilePath WorkingDirectory => GetEnvironmentString("AGENT_WORKFOLDER");
+        public DirectoryPath WorkingDirectory => GetEnvironmentString("AGENT_WORKFOLDER");
 
         /// <summary>
         /// Gets the ID of the agent.
@@ -98,7 +98,7 @@ public AzurePipelinesAgentInfo(ICakeEnvironment environment)
         /// <value>
         /// The task directory.
         /// </value>
-        public FilePath ToolsDirectory => GetEnvironmentString("AGENT_TOOLSDIRECTORY");
+        public DirectoryPath ToolsDirectory => GetEnvironmentString("AGENT_TOOLSDIRECTORY");
 
         /// <summary>
         /// Gets a value indicating whether the current agent is a Microsoft hosted agent.