$ git clone -n https://src.fedoraproject.org/rpms/rust-rand_xorshift0.2.git /var/lib/mock/f45-build-44265-812/root/chroot_tmpdir/scmroot/rust-rand_xorshift0.2
Cloning into '/var/lib/mock/f45-build-44265-812/root/chroot_tmpdir/scmroot/rust-rand_xorshift0.2'...
$ git fetch origin 52ae004d8478d45551daa1970646e771aab8fe9e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-rand_xorshift0.2
 * [new ref]         52ae004d8478d45551daa1970646e771aab8fe9e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 52ae004 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild