Fix the directory and revlog collision problem
This adds escaping for directory names so that directory foo.i doesn't
collide with the revision data for file foo.
#!/bin/sh
set -ex
mkdir r1
cd r1
hg init
echo a > a
hg addremove
hg commit -m "1" -d "0 0"
hg clone . ../r2
cd ../r2
hg up
echo abc > a
hg diff > ../d
sed "s/\(\(---\|+++\) [^ \t]*\)[ \t].*/\1/" < ../d
cd ../r1
echo b > b
echo a2 > a
hg addremove
hg commit -m "2" -d "0 0"
cd ../r2
hg -q pull ../r1
hg status
hg --debug up
hg --debug up -m
hg parents
hg -v history
hg diff > ../d
sed "s/\(\(---\|+++\) [^ \t]*\)[ \t].*/\1/" < ../d