$ git clone -n https://src.fedoraproject.org/rpms/libiscsi.git /var/lib/mock/f45-build-16418-486/root/chroot_tmpdir/scmroot/libiscsi
Cloning into '/var/lib/mock/f45-build-16418-486/root/chroot_tmpdir/scmroot/libiscsi'...
$ git fetch origin 43f22a7b8f494968fb172d8a448e9575f846d2c2:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libiscsi
 * [new ref]         43f22a7b8f494968fb172d8a448e9575f846d2c2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 43f22a7 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild