diff -r 2e2033081274 -r 252d1bdba33d rust/rhg/src/commands/debugdata.rs
--- a/rust/rhg/src/commands/debugdata.rs	Tue Jan 26 20:05:37 2021 +0100
+++ b/rust/rhg/src/commands/debugdata.rs	Tue Jan 26 20:31:26 2021 +0100
@@ -1,8 +1,7 @@
 use crate::commands::Command;
 use crate::error::CommandError;
-use crate::ui::utf8_to_local;
 use crate::ui::Ui;
-use hg::operations::{debug_data, DebugDataError, DebugDataKind};
+use hg::operations::{debug_data, DebugDataKind};
 use hg::repo::Repo;
 use micro_timer::timed;
 
@@ -26,7 +25,7 @@
     fn run(&self, ui: &Ui) -> Result<(), CommandError> {
         let repo = Repo::find()?;
         let data = debug_data(&repo, self.rev, self.kind)
-            .map_err(|e| to_command_error(self.rev, e))?;
+            .map_err(|e| (e, self.rev))?;
 
         let mut stdout = ui.stdout_buffer();
         stdout.write_all(&data)?;
@@ -35,47 +34,3 @@
         Ok(())
     }
 }
-
-/// Convert operation errors to command errors
-fn to_command_error(rev: &str, err: DebugDataError) -> CommandError {
-    match err {
-        DebugDataError::IoError(err) => CommandError::Abort(Some(
-            utf8_to_local(&format!("abort: {}\n", err)).into(),
-        )),
-        DebugDataError::InvalidRevision => CommandError::Abort(Some(
-            utf8_to_local(&format!(
-                "abort: invalid revision identifier{}\n",
-                rev
-            ))
-            .into(),
-        )),
-        DebugDataError::AmbiguousPrefix => CommandError::Abort(Some(
-            utf8_to_local(&format!(
-                "abort: ambiguous revision identifier{}\n",
-                rev
-            ))
-            .into(),
-        )),
-        DebugDataError::UnsuportedRevlogVersion(version) => {
-            CommandError::Abort(Some(
-                utf8_to_local(&format!(
-                    "abort: unsupported revlog version {}\n",
-                    version
-                ))
-                .into(),
-            ))
-        }
-        DebugDataError::CorruptedRevlog => {
-            CommandError::Abort(Some("abort: corrupted revlog\n".into()))
-        }
-        DebugDataError::UnknowRevlogDataFormat(format) => {
-            CommandError::Abort(Some(
-                utf8_to_local(&format!(
-                    "abort: unknow revlog dataformat {:?}\n",
-                    format
-                ))
-                .into(),
-            ))
-        }
-    }
-}