$ git clone -n https://src.fedoraproject.org/rpms/rust-icu_properties_data.git /var/lib/mock/f45-build-42494-794/root/chroot_tmpdir/scmroot/rust-icu_properties_data
Cloning into '/var/lib/mock/f45-build-42494-794/root/chroot_tmpdir/scmroot/rust-icu_properties_data'...
$ git fetch origin 8bfd3b9cc0eed946354662278939353cde9e2939:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-icu_properties_data
 * [new ref]         8bfd3b9cc0eed946354662278939353cde9e2939 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8bfd3b9 Update to version 2.3.0; Fixes RHBZ#2515894