$ git clone -n https://src.fedoraproject.org/rpms/kf5-modemmanager-qt.git /var/lib/mock/f40-build-786821-134632/root/chroot_tmpdir/scmroot/kf5-modemmanager-qt
Cloning into '/var/lib/mock/f40-build-786821-134632/root/chroot_tmpdir/scmroot/kf5-modemmanager-qt'...
$ git fetch origin 75c86bb5ff634bc8453e05ed9d32dd9e479b3a60:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf5-modemmanager-qt
 * [new ref]         75c86bb5ff634bc8453e05ed9d32dd9e479b3a60 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 75c86bb 5.115.0