#!/usr/bin/env python
"""Test the running system for features availability. Exit with zero
if all features are there, non-zero otherwise. If a feature name is
prefixed with "no-", the absence of feature is tested.
"""
import optparse
import sys
import hghave
checks = hghave.checks
def list_features():
for name, feature in checks.iteritems():
desc = feature[1]
print name + ':', desc
def test_features():
failed = 0
for name, feature in checks.iteritems():
check, _ = feature
try:
check()
except Exception, e:
print "feature %s failed: %s" % (name, e)
failed += 1
return failed
parser = optparse.OptionParser("%prog [options] [features]")
parser.add_option("--test-features", action="store_true",
help="test available 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)
if options.test_features:
sys.exit(test_features())
quiet = options.quiet
failures = 0
def error(msg):
global failures
if not quiet:
sys.stderr.write(msg + '\n')
failures += 1
for feature in args:
negate = feature.startswith('no-')
if negate:
feature = feature[3:]
if feature not in checks:
error('skipped: unknown feature: ' + feature)
sys.exit(2)
check, desc = checks[feature]
try:
available = check()
except Exception, e:
error('hghave check failed: ' + feature)
continue
if not negate and not available:
error('skipped: missing feature: ' + desc)
elif negate and available:
error('skipped: system supports %s' % desc)
if failures != 0:
sys.exit(1)