$ git clone -n https://src.fedoraproject.org/rpms/rust-nu-explore.git /var/lib/mock/f39-build-2282011-55507/root/chroot_tmpdir/scmroot/rust-nu-explore
Cloning into '/var/lib/mock/f39-build-2282011-55507/root/chroot_tmpdir/scmroot/rust-nu-explore'...
$ git fetch origin 6c67d5833edcf48430536b3dee2f631173dccb79:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-nu-explore
 * [new ref]         6c67d5833edcf48430536b3dee2f631173dccb79 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6c67d58 Update to 0.88.1