$ git clone -n https://src.fedoraproject.org/rpms/rust-uucore.git /var/lib/mock/f38-build-side-43-rust-devel-1412403-31443/root/chroot_tmpdir/scmroot/rust-uucore
Cloning into '/var/lib/mock/f38-build-side-43-rust-devel-1412403-31443/root/chroot_tmpdir/scmroot/rust-uucore'...
$ git fetch origin 8a72084e7db0a3795adc002591d2dc5c0373b45f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-uucore
 * [new ref]         8a72084e7db0a3795adc002591d2dc5c0373b45f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8a72084 Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild