# HG changeset patch
# User Augie Fackler <augie@google.com>
# Date 2017-02-19 20:09:41
# Node ID 3c22ad83868b018721737a1c0923fe5eb1068b73
# Parent  04344226b3ce8e3a1199067d9e38b33844f5fbcb

annotate: start pager after we're sure we wont abort

This avoids needlessly putting a short error message into the pager.

diff --git a/mercurial/commands.py b/mercurial/commands.py
--- a/mercurial/commands.py
+++ b/mercurial/commands.py
@@ -361,7 +361,6 @@ def annotate(ui, repo, *pats, **opts):
 
     Returns 0 on success.
     """
-    ui.pager('annotate')
     if not pats:
         raise error.Abort(_('at least one filename or pattern is required'))
 
@@ -422,6 +421,8 @@ def annotate(ui, repo, *pats, **opts):
     if linenumber and (not opts.get('changeset')) and (not opts.get('number')):
         raise error.Abort(_('at least one of -n/-c is required for -l'))
 
+    ui.pager('annotate')
+
     if fm.isplain():
         def makefunc(get, fmt):
             return lambda x: fmt(get(x))