$ git clone -n https://src.fedoraproject.org/rpms/ModemManager.git /var/lib/mock/f40-build-773590-127222/root/chroot_tmpdir/scmroot/ModemManager
Cloning into '/var/lib/mock/f40-build-773590-127222/root/chroot_tmpdir/scmroot/ModemManager'...
$ git reset --hard e304b142876ebe6cbdcb26584352438d3d5cc2d8
HEAD is now at e304b14 Fix day of week in changelog