view tests/test-undo @ 1753:e6e70450edb9

Raise a different exception when the lock is not available

When the filesystem is read-only or if we have some other
error, there is no need to wait.
Raise a lock.LockUnavailable exception.

#!/bin/sh

mkdir t
cd t
hg init
echo a > a
hg add a
hg commit -m "test" -d "0 0"
hg verify
hg parents
hg status
hg undo
hg verify
hg parents
hg status