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#!/usr/bin/env python
# $Id$
# Copyright (C) 2013 Internet Systems Consortium ("ISC")
#
# Permission to use, copy, modify, and distribute this software for any
# purpose with or without fee is hereby granted, provided that the above
# copyright notice and this permission notice appear in all copies.
#
# THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
# REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
# AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
# INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
# LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
# OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
# PERFORMANCE OF THIS SOFTWARE.
# Kludge to extract Subversion revision number from environment at
# build time, if possible, using it to construct the software version
# number that one of our users so desperately wants us to have. This
# is a bit tricky because we want this to be automatic (hence use of
# Subversion revision number, which isn't really intended for this
# purpose), want it to work whether installing from binary package or
# subversion checkout or frozen tarball, and need to be careful both
# to update it whenever the revision changes and not to stomp on it
# when the subversion revision number isn't available.
#
# I did say this was a kludge.
# One could argue that we should be throwing a fatal error when we
# can't determine the version, rather than just issuing a warning and
# writing a version of "Unknown". Maybe later.
import subprocess
import sys
unknown = "Unknown"
try:
v = subprocess.Popen(("svnversion", "-c"), stdout = subprocess.PIPE).communicate()[0]
err = None
except Exception, e:
v = unknown
err = e
if any(s in v for s in ("Unversioned", "Uncommitted", unknown)):
v = unknown
else:
v = "0." + v.strip().split(":")[-1].translate(None, "SMP")
try:
old = open("VERSION", "r").read().strip()
except:
old = None
if err is not None and (old is None or old == unknown):
sys.stderr.write("Warning: No saved version and svnversion failed: %s\n" % err)
if v == unknown:
if old is not None and old != unknown:
v = old
else:
sys.stderr.write("Warning: Could not determine software version\n")
if old is None or v != old:
with open("rpki/version.py", "w") as f:
f.write("VERSION = \"%s\"\n" % v)
with open("VERSION", "w") as f:
f.write(v + "\n")
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