hooks: add url to changegroup, incoming, prechangegroup, pretxnchangegroup hooks
all repository classes now have url() method that returns url of repo.
Is there an error message when trying to diff non-existing files?
found: No such file or directory
not: No such file or directory
Is there an error message when trying to add non-existing files?
found: No such file or directory
not: No such file or directory