shelve: drop pickle usage
Pickle was used to the `shelvedstate` file. However the content of the file is
very simple and we can handle serialisation ourself. Not using pickle is a net
win.
Note incrementing the format version as no releases have been done so far.
import os
from mercurial import hg, ui
from mercurial.scmutil import walkrepos
from mercurial.util import checklink
from os import mkdir, chdir
from os.path import join as pjoin
u = ui.ui()
sym = checklink('.')
hg.repository(u, 'top1', create=1)
mkdir('subdir')
chdir('subdir')
hg.repository(u, 'sub1', create=1)
mkdir('subsubdir')
chdir('subsubdir')
hg.repository(u, 'subsub1', create=1)
chdir(os.path.pardir)
if sym:
os.symlink(os.path.pardir, 'circle')
os.symlink(pjoin('subsubdir', 'subsub1'), 'subsub1')
def runtest():
reposet = frozenset(walkrepos('.', followsym=True))
if sym and (len(reposet) != 3):
print "reposet = %r" % (reposet,)
print ("Found %d repositories when I should have found 3"
% (len(reposet),))
if (not sym) and (len(reposet) != 2):
print "reposet = %r" % (reposet,)
print ("Found %d repositories when I should have found 2"
% (len(reposet),))
sub1set = frozenset((pjoin('.', 'sub1'),
pjoin('.', 'circle', 'subdir', 'sub1')))
if len(sub1set & reposet) != 1:
print "sub1set = %r" % (sub1set,)
print "reposet = %r" % (reposet,)
print "sub1set and reposet should have exactly one path in common."
sub2set = frozenset((pjoin('.', 'subsub1'),
pjoin('.', 'subsubdir', 'subsub1')))
if len(sub2set & reposet) != 1:
print "sub2set = %r" % (sub2set,)
print "reposet = %r" % (reposet,)
print "sub1set and reposet should have exactly one path in common."
sub3 = pjoin('.', 'circle', 'top1')
if sym and sub3 not in reposet:
print "reposet = %r" % (reposet,)
print "Symbolic links are supported and %s is not in reposet" % (sub3,)
runtest()
if sym:
# Simulate not having symlinks.
del os.path.samestat
sym = False
runtest()