$ git clone -n https://src.fedoraproject.org/rpms/rust-unic-locale-macros.git /var/lib/mock/f40-build-1222461-22759/root/chroot_tmpdir/scmroot/rust-unic-locale-macros
Cloning into '/var/lib/mock/f40-build-1222461-22759/root/chroot_tmpdir/scmroot/rust-unic-locale-macros'...
$ git fetch origin e52288efd7a60a7484712a1ecd47443713896071:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-unic-locale-macros
 * [new ref]         e52288efd7a60a7484712a1ecd47443713896071 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e52288e Update to version 0.9.5; Fixes RHBZ#2252819