localrepo: pass hook argument txnid to pretxnopen hooks Before this patch, hook argument `txnid` isn't passed to `pretxnopen` hooks, even though `hooks` section of `hg help config` describes so. ``pretxnopen`` Run before any new repository transaction is open. The reason for the transaction will be in ``$HG_TXNNAME`` and a unique identifier for the transaction will be in ``HG_TXNID``. A non-zero status will prevent the transaction from being opened.

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−#!/usr/bin/env python
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−
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−import errno, os, sys
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−
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−for f in sys.argv[1:]:
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−    try:
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−        print f, '->', os.readlink(f)
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−    except OSError, err:
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−        if err.errno != errno.EINVAL:
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−            raise
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−        print f, 'not a symlink'
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−
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−sys.exit(0)