tests/test-revert-unknown

Catch the exception raised with 'hg help <somethingambiguous>'.
Example: 'hg help a'

#!/bin/sh

hg init
touch unknown

touch a
hg add a
hg ci -m "1" -d "0 0"

touch b
hg add b
hg ci -m "2" -d "0 0"

echo %% Should show unknown
hg status
hg revert -r 0
echo %% Should show unknown and b removed
hg status
echo %% Should show a and unknown
ls