$ git clone -n https://src.fedoraproject.org/rpms/freeipa.git /var/lib/mock/f40-build-2369801-60392/root/chroot_tmpdir/scmroot/freeipa
Cloning into '/var/lib/mock/f40-build-2369801-60392/root/chroot_tmpdir/scmroot/freeipa'...
$ git fetch origin f407801376e4caeb761c164f77e4fd8752dac214:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/freeipa
 * [new ref]         f407801376e4caeb761c164f77e4fd8752dac214 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f407801 Detect samba private libraries