diff --git a/X10D.UpmPackageGenerator/Program.cs b/X10D.UpmPackageGenerator/Program.cs
index 5fd345d..62b1747 100644
--- a/X10D.UpmPackageGenerator/Program.cs
+++ b/X10D.UpmPackageGenerator/Program.cs
@@ -3,9 +3,15 @@ using System.Text.Json;
 
 string version;
 
+string? githubSha = Environment.GetEnvironmentVariable("GITHUB_SHA");
+Console.WriteLine(string.IsNullOrWhiteSpace(githubSha)
+    ? "GITHUB_SHA environment variable not found. This is not a CI run."
+    : $"Building from commit {githubSha}.");
+
 if (args.Length == 0 || string.IsNullOrWhiteSpace(args[0]))
 {
-    version = Environment.GetEnvironmentVariable("GITHUB_SHA") ?? "0.0.0";
+    Console.WriteLine("No input file specified. Attempting to use GITHUB_SHA.");
+    version = githubSha ?? "0.0.0";
 }
 else
 {
@@ -14,14 +20,18 @@ else
     var attribute = assembly.GetCustomAttribute<AssemblyInformationalVersionAttribute>();
     if (attribute is null || string.IsNullOrWhiteSpace(attribute.InformationalVersion))
     {
-        version = Environment.GetEnvironmentVariable("GITHUB_SHA") ?? "0.0.0";
+        Console.WriteLine("AssemblyInformationalVersionAttribute not found. Attempting to use GITHUB_SHA.");
+        version = githubSha ?? "0.0.0";
     }
     else
     {
+        Console.WriteLine("AssemblyInformationalVersionAttribute found.");
         version = attribute.InformationalVersion;
     }
 }
 
+Console.WriteLine($"Building for version {version}.");
+
 var package = new
 {
     name = "me.olivr.x10d",
@@ -35,5 +45,8 @@ var package = new
     licensesUrl = "https://github.com/oliverbooth/X10D/blob/main/LICENSE.md"
 };
 
-using FileStream outputStream = File.Create("package.json");
-JsonSerializer.Serialize(outputStream, package, new JsonSerializerOptions {WriteIndented = true});
+using FileStream stream = File.Open("package.json", FileMode.Create, FileAccess.ReadWrite);
+Console.WriteLine("Serializing package.json.");
+JsonSerializer.Serialize(stream, package, new JsonSerializerOptions {WriteIndented = true});
+stream.Position = 0;
+stream.CopyTo(Console.OpenStandardOutput());