$ git clone -n https://src.fedoraproject.org/rpms/ksanecore.git /var/lib/mock/f45-build-15455-474/root/chroot_tmpdir/scmroot/ksanecore
Cloning into '/var/lib/mock/f45-build-15455-474/root/chroot_tmpdir/scmroot/ksanecore'...
$ git fetch origin 08c12250d867a9ad85fff2adb0c5c4d653188573:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ksanecore
 * [new ref]         08c12250d867a9ad85fff2adb0c5c4d653188573 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 08c1225 26.08.1