$ git clone -n https://src.fedoraproject.org/rpms/kf5-modemmanager-qt.git /var/lib/mock/f40-build-1892418-25062/root/chroot_tmpdir/scmroot/kf5-modemmanager-qt
Cloning into '/var/lib/mock/f40-build-1892418-25062/root/chroot_tmpdir/scmroot/kf5-modemmanager-qt'...
$ git fetch origin 6aabc7190f815305d75bd05f353f0ffaa5afcd6e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf5-modemmanager-qt
 * [new ref]         6aabc7190f815305d75bd05f353f0ffaa5afcd6e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6aabc71 5.116.0