storageutil: move metadata parsing and packing from revlog (API)
Parsing and writing of revision text metadata is likely identical
across storage backends. Let's move the code out of revlog so we
don't need to import the revlog module in order to use it.
Differential Revision: https://phab.mercurial-scm.org/D4754
# tiny extension to report phase changes during transaction
from __future__ import absolute_import
def reposetup(ui, repo):
def reportphasemove(tr):
for rev, move in sorted(tr.changes[b'phases'].items()):
if move[0] is None:
ui.write((b'test-debug-phase: new rev %d: x -> %d\n'
% (rev, move[1])))
else:
ui.write((b'test-debug-phase: move rev %d: %d -> %d\n'
% (rev, move[0], move[1])))
class reportphaserepo(repo.__class__):
def transaction(self, *args, **kwargs):
tr = super(reportphaserepo, self).transaction(*args, **kwargs)
tr.addpostclose(b'report-phase', reportphasemove)
return tr
repo.__class__ = reportphaserepo