mq: don't allow patches with some reserved names
The current list of reserved names includes only mq control files.
Also, reserve names starting with ".hg" (to avoid troubles with
e.g. .hgignore and .hgtags), and with ".mq" (to allow future
extensions).
This should fix
issue841.
#!/bin/sh
#
# Corrupt an hg repo with a pull started during an aborted commit
#
# Create two repos, so that one of them can pull from the other one.
hg init source
cd source
touch foo
hg add foo
hg ci -m 'add foo'
hg clone . ../corrupted
echo >> foo
hg ci -m 'change foo'
# Add a hook to wait 5 seconds and then abort the commit
cd ../corrupted
echo '[hooks]' >> .hg/hgrc
echo 'pretxncommit = sleep 5; exit 1' >> .hg/hgrc
# start a commit...
touch bar
hg add bar
hg ci -m 'add bar' &
# ... and start a pull while the commit is still running
sleep 1
hg pull ../source 2>/dev/null
# see what happened
wait
hg verify