[pypy-svn] pypy default: it's a bit hard to test this :-(, but use '?' for hgid and tags in case the hg executable fails

[antocuni]

Author: Antonio Cuni <anto.cuni at gmail.com>
Branch: 
Changeset: r40979:6a61283100bd
Date: 2011-01-18 14:19 +0100
http://bitbucket.org/pypy/pypy/changeset/6a61283100bd/

Log:	it's a bit hard to test this :-(, but use '?' for hgid and tags in
	case the hg executable fails

diff --git a/pypy/tool/version.py b/pypy/tool/version.py
--- a/pypy/tool/version.py
+++ b/pypy/tool/version.py
@@ -50,11 +50,15 @@
                   stdout=PIPE, stderr=PIPE, env=env)
         hgid = p.stdout.read().strip()
         maywarn(p.stderr.read())
+        if p.wait() != 0:
+            hgid = '?'
 
         p = Popen([str(hgexe), 'id', '-t', pypyroot],
                   stdout=PIPE, stderr=PIPE, env=env)
         hgtags = [t for t in p.stdout.read().strip().split() if t != 'tip']
         maywarn(p.stderr.read())
+        if p.wait() != 0:
+            hgtags = ['?']
 
         if hgtags:
             return 'PyPy', hgtags[0], hgid