$ git clone -n https://src.fedoraproject.org/rpms/kf5-kdeclarative.git /var/lib/mock/f38-build-717737-96588/root/chroot_tmpdir/scmroot/kf5-kdeclarative
Cloning into '/var/lib/mock/f38-build-717737-96588/root/chroot_tmpdir/scmroot/kf5-kdeclarative'...
$ git fetch origin 1b65cbf1fb0e6f8c4ec61ac5dc452f3100324019:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf5-kdeclarative
 * [new ref]         1b65cbf1fb0e6f8c4ec61ac5dc452f3100324019 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1b65cbf 5.106.0