discovery: filter null from the discovery revset
If there is nothing in common, common will be "null" and the revset will now
returns "-1" crashing the discovery process. We filter out the null revision to
prevent that.
#!/usr/bin/env python
import sys
import os
os.chdir(os.getenv('TESTTMP'))
if sys.argv[1] != "user@dummy":
sys.exit(-1)
os.environ["SSH_CLIENT"] = "127.0.0.1 1 2"
log = open("dummylog", "ab")
log.write("Got arguments")
for i, arg in enumerate(sys.argv[1:]):
log.write(" %d:%s" % (i + 1, arg))
log.write("\n")
log.close()
hgcmd = sys.argv[2]
if os.name == 'nt':
# hack to make simple unix single quote quoting work on windows
hgcmd = hgcmd.replace("'", '"')
r = os.system(hgcmd)
sys.exit(bool(r))