dirstate: fix rebuild; add a test
If rebuild calls invalidate, it will just queue a (re)read of the dirstate
file, while what we really want is to empty the current state.
#!/usr/bin/env python
"""Test the running system for features availability. Exit with zero
if all features are there, non-zero otherwise.
"""
import optparse
import os
import sys
def has_symlink():
return hasattr(os, "symlink")
checks = {
"symlink": (has_symlink, "symbolic links"),
}
def list_features():
for name, feature in checks.iteritems():
desc = feature[1]
print name + ':', desc
parser = optparse.OptionParser("%prog [options] [features]")
parser.add_option("--list-features", action="store_true",
help="list available features")
parser.add_option("-q", "--quiet", action="store_true",
help="check features silently")
if __name__ == '__main__':
options, args = parser.parse_args()
if options.list_features:
list_features()
sys.exit(0)
quiet = options.quiet
failures = 0
def error(msg):
global failures
if not quiet:
sys.stderr.write(msg + '\n')
failures += 1
for feature in args:
if feature not in checks:
error('hghave: unknown feature: ' + feature)
continue
check, desc = checks[feature]
if not check():
error('hghave: missing feature: ' + desc)
if failures != 0:
sys.exit(1)