$ git clone -n https://src.fedoraproject.org/rpms/kf5-modemmanager-qt.git /var/lib/mock/f38-build-712380-94305/root/chroot_tmpdir/scmroot/kf5-modemmanager-qt
Cloning into '/var/lib/mock/f38-build-712380-94305/root/chroot_tmpdir/scmroot/kf5-modemmanager-qt'...
$ git fetch origin b53438e1ecfd2e02024de4b2c77253a2785d8720:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf5-modemmanager-qt
 * [new ref]         b53438e1ecfd2e02024de4b2c77253a2785d8720 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b53438e 5.105.0