[PATCH 03 of 14] obsstore: keep self._data updated with _addmarkers

[Augie Fackler]

On Sun, Jul 09, 2017 at 07:55:15PM +0200, Boris Feld wrote:
> # HG changeset patch
> # User Jun Wu <quark at fb.com>
> # Date 1496552183 25200
> #      Sat Jun 03 21:56:23 2017 -0700
> # Node ID ff2ebc11f12a26a4e0bda3ccf5fde63f5f690813
> # Parent  8b71290526ddb77f157e075191dd748793d85601
> # EXP-Topic obs-cache
> obsstore: keep self._data updated with _addmarkers

Took this one.

>
> This makes sure obsstore._data is still correct with added markers.
>
> The '_data' propertycache was added in 17ce57b7873f.
>
> diff -r 8b71290526dd -r ff2ebc11f12a mercurial/obsolete.py
> --- a/mercurial/obsolete.py	Fri Jul 07 22:15:52 2017 +0200
> +++ b/mercurial/obsolete.py	Sat Jun 03 21:56:23 2017 -0700
> @@ -607,8 +607,8 @@
>                  offset = f.tell()
>                  transaction.add('obsstore', offset)
>                  # offset == 0: new file - add the version header
> -                for bytes in encodemarkers(new, offset == 0, self._version):
> -                    f.write(bytes)
> +                data = b''.join(encodemarkers(new, offset == 0, self._version))
> +                f.write(data)
>              finally:
>                  # XXX: f.close() == filecache invalidation == obsstore rebuilt.
>                  # call 'filecacheentry.refresh()'  here
> @@ -616,7 +616,7 @@
>              addedmarkers = transaction.changes.get('obsmarkers')
>              if addedmarkers is not None:
>                  addedmarkers.update(new)
> -            self._addmarkers(new)
> +            self._addmarkers(new, data)
>              # new marker *may* have changed several set. invalidate the cache.
>              self.caches.clear()
>          # records the number of new markers for the transaction hooks
> @@ -673,8 +673,9 @@
>      def _cached(self, attr):
>          return attr in self.__dict__
>
> -    def _addmarkers(self, markers):
> +    def _addmarkers(self, markers, rawdata):
>          markers = list(markers) # to allow repeated iteration
> +        self._data = self._data + rawdata
>          self._all.extend(markers)
>          if self._cached('successors'):
>              _addsuccessors(self.successors, markers)
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