changelog: refuse to add revisions with empty usernames An empty username or a username with a "\n" will make the revision text contain two "\n\n" sequences -> corrupt repository. The problem is that changelog.read expects to find exactly one "\n\n" separator and thus cannot unpack the revision.

#!/bin/sh

mkdir t
cd t
hg init
echo "invalid" > .hg/hgrc
hg status 2>&1 |sed -e "s:/.*\(/t/.*\):...\1:"

#issue 1199, escaping

cd ..
hg init "foo%bar"
hg clone "foo%bar" foobar
p=`pwd`
cd foobar
cat .hg/hgrc |sed -e "s:$p:...:"
hg paths |sed -e "s:$p:...:"
hg showconfig |sed -e "s:$p:...:"