Excerpts from Yuya Nishihara's message of 2016-11-26 22:28:26 +0900:
> On Wed, 23 Nov 2016 23:24:39 +0000, Jun Wu wrote:
> > # HG changeset patch
> > # User Jun Wu <qu...@fb.com>
> > # Date 1479926126 0
> > #      Wed Nov 23 18:35:26 2016 +0000
> > # Node ID 5894c146af1e3154f7b327dce54a779bb419811a
> > # Parent  ed629f77d3616013c8216d99e90e02c47eccdb4f
> > # Available At https://bitbucket.org/quark-zju/hg-draft 
> > #              hg pull https://bitbucket.org/quark-zju/hg-draft  -r 
> > 5894c146af1e
> > crecord: move status window text calculation to a separate method
> > 
> > We will do some changes there in the next patches. The new method would also
> > be the "source of truth" of the content of the status window (so if the
> > status window needs more than 2 lines, it would be calculated from the new
> > method).
> > 
> > diff --git a/mercurial/crecord.py b/mercurial/crecord.py
> > --- a/mercurial/crecord.py
> > +++ b/mercurial/crecord.py
> > @@ -947,4 +947,15 @@ class curseschunkselector(object):
> >          return t
> >  
> > +    def _getstatuslines(self):
> > +        """() -> [str]. return short help used in the top status window"""
> > +        if self.errorstr is not None:
> > +            lines = [self.errorstr, _('Press any key to continue')]
> > +        else:
> > +            lines = [_("SELECT CHUNKS: (j/k/up/dn/pgup/pgdn) move cursor; "
> > +                       "(space/A) toggle hunk/all; (e)dit hunk;"),
> > +                     _(" (f)old/unfold; (c)onfirm applied; (q)uit; (?) 
> > help "
> > +                       "| [X]=hunk applied **=folded, toggle [a]mend 
> > mode")]
> > +        return [util.ellipsis(l, self.xscreensize - 1) for l in lines]
> > +
> >      def updatescreen(self):
> >          self.statuswin.erase()
> > @@ -955,21 +966,8 @@ class curseschunkselector(object):
> >          # print out the status lines at the top
> >          try:
> > +            for line in self._getstatuslines():
> > +                printstring(self.statuswin, line, pairname="legend")
> >              if self.errorstr is not None:
> > -                printstring(self.statuswin, self.errorstr, 
> > pairname='legend')
> > -                printstring(self.statuswin, 'Press any key to continue',
> > -                            pairname='legend')
> > -                self.statuswin.refresh()
> >                  return
> 
> Don't we need statuswin.refresh() here?

Good catch. Will send V2 with commit message and this problem addressed.
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