$ git clone -n https://src.fedoraproject.org/rpms/rust-sync_wrapper.git /var/lib/mock/f45-build-45320-822/root/chroot_tmpdir/scmroot/rust-sync_wrapper
Cloning into '/var/lib/mock/f45-build-45320-822/root/chroot_tmpdir/scmroot/rust-sync_wrapper'...
$ git fetch origin 3173ecf2381ba0ee1085154f8eda167a1830ba15:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-sync_wrapper
 * [new ref]         3173ecf2381ba0ee1085154f8eda167a1830ba15 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3173ecf Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild