$ git clone -n https://src.fedoraproject.org/rpms/simdutf.git /var/lib/mock/f41-build-side-1-2669921-28987/root/chroot_tmpdir/scmroot/simdutf
Cloning into '/var/lib/mock/f41-build-side-1-2669921-28987/root/chroot_tmpdir/scmroot/simdutf'...
$ git fetch origin ceb54618f2c7c0b25c75de399b4df65f6dcb345b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/simdutf
 * [new ref]         ceb54618f2c7c0b25c75de399b4df65f6dcb345b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ceb5461 Update to 5.3.1