revlog: drop cache after use to save memory footprint
If we reconstruct back to back large versions, we need to drop the cache first to avoid doubling memory usage.
import os, sys
from mercurial import hg, ui
TESTDIR = os.environ["TESTDIR"]
# only makes sense to test on os which supports symlinks
if not hasattr(os, "symlink"):
sys.exit(80) # SKIPPED_STATUS defined in run-tests.py
# this is what symlink would do on a non-symlink file system
def symlink_failure(src, dst):
raise OSError, (1, "Operation not permitted")
os.symlink = symlink_failure
# now try cloning a repo which contains symlinks
u = ui.ui()
hg.clone(u, os.path.join(TESTDIR, 'test-no-symlinks.hg'), 'test1')