$ git clone -n https://src.fedoraproject.org/rpms/libXi.git /var/lib/mock/f41-build-852692-166448/root/chroot_tmpdir/scmroot/libXi
Cloning into '/var/lib/mock/f41-build-852692-166448/root/chroot_tmpdir/scmroot/libXi'...
$ git fetch origin 009d19a69a010031c6e76a4877096de99c7a19ac:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libXi
 * [new ref]         009d19a69a010031c6e76a4877096de99c7a19ac -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 009d19a libXi 1.8.2