$ git clone -n https://src.fedoraproject.org/rpms/yoshimi.git /var/lib/mock/f40-build-752685-116820/root/chroot_tmpdir/scmroot/yoshimi
Cloning into '/var/lib/mock/f40-build-752685-116820/root/chroot_tmpdir/scmroot/yoshimi'...
$ git fetch origin 61826c3183b215ea9dc997ff2e7275394e1f4fe7:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/yoshimi
 * [new ref]         61826c3183b215ea9dc997ff2e7275394e1f4fe7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 61826c3 Remember to include the spec file updates for 2.3.0