nonzero, to abort the push. Otherwise, it should return a list of
files that were changed, in the form:
{
file => # name of file that was changed
action => # either "add", "change", or "remove"
nonzero, to abort the push. Otherwise, it should return a list of
files that were changed, in the form:
{
file => # name of file that was changed
action => # either "add", "change", or "remove"