view tests/test-issue842 @ 7547:4949729ee9ee

python implementation of diffstat

Implemented as two functions: diffstat, which yields lines of text,
formatted as a usual diffstat output, and diffstatdata, which is called
inside diffstat to do real performing and yield file names with
appropriate data (numbers of added and removed lines).

hg init test
cd test
echo foo > a
hg ci -Ama

hg up -r0000
echo bar > a
echo % should issue warning
hg ci -Amb

hg up -r0000
echo stuffy > a
echo % should not issue warning
hg ci -q -Amc

hg up -r0000
echo crap > a
hg branch testing
echo % should not issue warning
hg ci -q -Amd