$ git clone -n https://src.fedoraproject.org/rpms/ktp-auth-handler.git /var/lib/mock/f40-build-2278071-55258/root/chroot_tmpdir/scmroot/ktp-auth-handler
Cloning into '/var/lib/mock/f40-build-2278071-55258/root/chroot_tmpdir/scmroot/ktp-auth-handler'...
$ git fetch origin fabcea9f43ec7ded867406f7b47eba6be5b79283:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ktp-auth-handler
 * [new ref]         fabcea9f43ec7ded867406f7b47eba6be5b79283 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fabcea9 Orphaned for 6+ weeks