tests/test-revlog-packentry

shrink-revlog: improve performance: use changegroup instead of revisions

Before:
real	0m23.971s

Now:
real	0m4.229s

The only case where the output would be different is if the newer hg was using
a different diff algorithm than used originally.

#!/bin/sh

hg init repo
cd repo

touch foo
hg ci -Am 'add foo'

hg up -C null
# this should be stored as a delta against rev 0
echo foo bar baz > foo
hg ci -Am 'add foo again'

hg debugindex .hg/store/data/foo.i