$ git clone -n https://src.fedoraproject.org/rpms/rust-deunicode.git /var/lib/mock/f40-build-2640720-66414/root/chroot_tmpdir/scmroot/rust-deunicode
Cloning into '/var/lib/mock/f40-build-2640720-66414/root/chroot_tmpdir/scmroot/rust-deunicode'...
$ git fetch origin 43c8c6c2dc65978d107c83076b23be89df2daa89:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-deunicode
 * [new ref]         43c8c6c2dc65978d107c83076b23be89df2daa89 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 43c8c6c Update to version 1.4.3; Fixes RHBZ#2264557