$ git clone -n https://src.fedoraproject.org/rpms/libxml++30.git /var/lib/mock/f40-build-773790-127378/root/chroot_tmpdir/scmroot/libxml++30
Cloning into '/var/lib/mock/f40-build-773790-127378/root/chroot_tmpdir/scmroot/libxml++30'...
$ git reset --hard 15c95f51f75dcc79592263963246dfc73f22c5fd
HEAD is now at 15c95f5 Don't number sources