Use absolute paths in addremove. This is more consistent with other places in the code, which only use the "relpath" returned by cmdutil.walk for display purposes.

#!/bin/sh

hg init
echo This is file a1 > a
hg add a
hg commit -m "commit #0" -d "1000000 0"
touch b
hg add b
rm b
hg commit -A -m"comment #1" -d "1000000 0"