$ git clone -n https://src.fedoraproject.org/rpms/rust-icu_locale_data.git /var/lib/mock/f45-build-42475-794/root/chroot_tmpdir/scmroot/rust-icu_locale_data
Cloning into '/var/lib/mock/f45-build-42475-794/root/chroot_tmpdir/scmroot/rust-icu_locale_data'...
$ git fetch origin abea4db9d643197e50afa1bdf5e8770dc3bfcdb2:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-icu_locale_data
 * [new ref]         abea4db9d643197e50afa1bdf5e8770dc3bfcdb2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at abea4db Update to version 2.3.0; Fixes RHBZ#2515888