$ git clone -n https://src.fedoraproject.org/rpms/rust-uu_realpath.git /var/lib/mock/f40-build-1971922-25224/root/chroot_tmpdir/scmroot/rust-uu_realpath
Cloning into '/var/lib/mock/f40-build-1971922-25224/root/chroot_tmpdir/scmroot/rust-uu_realpath'...
$ git fetch origin 0012490e0aafa95f9e7d6285351d660d0160cbfb:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-uu_realpath
 * [new ref]         0012490e0aafa95f9e7d6285351d660d0160cbfb -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0012490 Update to version 0.0.27