def writeflat(self):
from edenscm.mercurial import dirstate
with self._opener("dirstate", "w", atomictemp=True,
checkambig=True) as st:
newdmap = {}
for k, v in pycompat.iteritems(self):
newdmap[k] = dirstate.dirstatetuple(*v)
st.write(
dirstate.parsers.pack_dirstate(
newdmap,
self.copymap,
self._parents,
dirstate._getfsnow(self._opener),
))
def _gc(self):
"""Clean up old tree files.
When repacking, we write out the tree data to a new file. This allows us
to rollback transactions without fear of losing dirstate information, as
the old dirstate file points at the old tree file.
This leaves old tree files lying around. We must periodically clean up
any tree files that are not referred to by any of the dirstate files.
"""
treesinuse = {}
for f in ["dirstate", "undo.dirstate", "undo.backup.dirstate"]:
try:
treeid = gettreeid(self._opener, f)
if treeid is not None:
treesinuse.setdefault(treeid, set()).add(f)
except Exception:
pass
from . import dirstate # avoid cycle
fsnow = dirstate._getfsnow(self._opener)
maxmtime = fsnow - self._ui.configint("treestate", "mingcage")
for f in self._opener.listdir():
if f.startswith(treefileprefix):
treeid = f[len(treefileprefix):]
if treeid in treesinuse:
self._ui.debug("dirstate tree %s in use by %s\n" %
(treeid, ", ".join(treesinuse[treeid])))
continue
try:
if self._opener.stat(f).st_mtime > maxmtime:
continue
except OSError:
continue
self._ui.debug("removing old unreferenced dirstate tree %s\n" %
treeid)
self._opener.tryunlink(f)
