$ git clone -n https://src.fedoraproject.org/rpms/mpibash.git /var/lib/mock/f40-build-798873-142036/root/chroot_tmpdir/scmroot/mpibash
Cloning into '/var/lib/mock/f40-build-798873-142036/root/chroot_tmpdir/scmroot/mpibash'...
$ git fetch origin d61395b9aaa14464924d205584c0e27c6292e643:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/mpibash
 * [new ref]         d61395b9aaa14464924d205584c0e27c6292e643 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d61395b Version bump v1.4 (bug #2262350)