$ git clone -n https://src.fedoraproject.org/rpms/rust-half1.git /var/lib/mock/f45-build-42252-791/root/chroot_tmpdir/scmroot/rust-half1
Cloning into '/var/lib/mock/f45-build-42252-791/root/chroot_tmpdir/scmroot/rust-half1'...
$ git fetch origin 25a324872d35222470009bd595c1375ea4481e18:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-half1
 * [new ref]         25a324872d35222470009bd595c1375ea4481e18 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 25a3248 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild