rhg: Fall back to Python if verbose status is requested by config

Differential Revision: https://phab.mercurial-scm.org/D11943

rust/rhg/src/commands/status.rs

@@ -182,6 +182,17 b' pub fn run(invocation: &crate::CliInvoca'
     let ui = invocation.ui;
     let config = invocation.config;
     let args = invocation.subcommand_args;
+
+    let verbose = !ui.plain()
+        && !args.is_present("print0")
+        && (config.get_bool(b"ui", b"verbose")?
+            || config.get_bool(b"commands", b"status.verbose")?);
+    if verbose {
+        return Err(CommandError::unsupported(
+            "verbose status is not supported yet",
+        ));
+    }
+
     let all = args.is_present("all");
     let display_states = if all {
         // TODO when implementing `--quiet`: it excludes clean files

rust/rhg/src/ui.rs

@@ -51,7 +51,7 b' impl Ui {'
         stderr.flush().or_else(handle_stderr_error)
     }
 
-    /// is plain mode active
+    /// Return whether plain mode is active.
     ///
     /// Plain mode means that all configuration variables which affect
     /// the behavior and output of Mercurial should be

tests/test-conflict.t

@@ -1,7 +1,3 b''
-TODO: fix rhg bugs that make this test fail when status is enabled
-  $ unset RHG_STATUS
-
-
   $ hg init
   $ cat << EOF > a
   > Small Mathematical Series.