# HG changeset patch
# User Boris Feld <boris.feld@octobus.net>
# Date 2018-06-11 17:05:41
# Node ID 9df777d7f061cfa11531a5f80686e46e64dec7d5
# Parent  354fad8697fddfbc079b943229b8f9c17117c6a6

perftemplating: abort on incompatible version

This is what the other debug commands do. Thanks to Yuya Nishihara for
pointing this out.

diff --git a/contrib/perf.py b/contrib/perf.py
--- a/contrib/perf.py
+++ b/contrib/perf.py
@@ -912,8 +912,8 @@ def perfmoonwalk(ui, repo, **opts):
 def perftemplating(ui, repo, testedtemplate=None, **opts):
     """test the rendering time of a given template"""
     if makelogtemplater is None:
-        ui.write_err('incompatible Mercurial version')
-        return 1
+        raise error.Abort(("perftemplating not available with this Mercurial"),
+                          hint="use 4.3 or later")
 
     nullui = ui.copy()
     nullui.fout = open(os.devnull, 'wb')