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