Merge pull request #26 from Techsola/10_generate_authors_file

Auto-generate authors file if it does not exist

Readme.md

@@ -39,6 +39,8 @@ Arguments:
 Options:
   --authors <authors> (REQUIRED)           Path to an authors file with lines mapping TFVC usernames to
                                            Git authors, e.g.: DOMAIN\John = John Doe <john@doe.com>
+                                           Auto-generates file at provided path with placeholders if
+                                           not found, eg: DOMAIN\John = John Doe <email>
   --out-dir <out-dir>                      The directory path at which to create a new Git repository.
                                            Defaults to the last segment in the root path under the
                                            current directory.

src/TfvcMigrator/CommandLineException.cs

@@ -0,0 +1,9 @@
+namespace TfvcMigrator;
+public sealed class CommandLineException : Exception
+{
+    public int ExitCode { get; }
+    public CommandLineException(string message, int exitCode = 1) : base(message)
+    {
+        ExitCode = exitCode;
+    }
+}