$ git clone -n https://src.fedoraproject.org/rpms/ModemManager.git /var/lib/mock/f40-build-752873-116993/root/chroot_tmpdir/scmroot/ModemManager
Cloning into '/var/lib/mock/f40-build-752873-116993/root/chroot_tmpdir/scmroot/ModemManager'...
$ git reset --hard 2decff495b429a492c1ff9a375bcb938cc2eda02
HEAD is now at 2decff4 Rebuild for RHBZ#2226577