diff -r cf04f62d1579 -r bacf6c7ef01b rust/rhg/src/commands.rs
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/rust/rhg/src/commands.rs	Mon Jun 22 15:19:35 2020 +0530
@@ -0,0 +1,8 @@
+use crate::error::CommandError;
+
+/// The common trait for rhg commands
+///
+/// Normalize the interface of the commands provided by rhg
+pub trait Command {
+    fn run(&self) -> Result<(), CommandError>;
+}