$ git clone -n https://src.fedoraproject.org/rpms/cfdg.git /var/lib/mock/f40-build-780024-130658/root/chroot_tmpdir/scmroot/cfdg
Cloning into '/var/lib/mock/f40-build-780024-130658/root/chroot_tmpdir/scmroot/cfdg'...
$ git fetch origin 06f67a090aa92e28650fd860029c065281852df7:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/cfdg
 * [new ref]         06f67a090aa92e28650fd860029c065281852df7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 06f67a0 Rebuild for ICU 74