diff -r dd3050227a84 -r 513b3ef277a3 rust/rhg/src/exitcode.rs
--- a/rust/rhg/src/exitcode.rs	Mon Jul 06 22:02:50 2020 -0400
+++ b/rust/rhg/src/exitcode.rs	Fri Jun 05 09:01:35 2020 +0200
@@ -1,4 +1,10 @@
 pub type ExitCode = i32;
 
+/// Successful exit
+pub const OK: ExitCode = 0;
+
+/// Generic abort
+pub const ABORT: ExitCode = 255;
+
 /// Command not implemented by rhg
 pub const UNIMPLEMENTED_COMMAND: ExitCode = 252;