$ git clone -n https://src.fedoraproject.org/rpms/rust-thread_local.git /var/lib/mock/f45-build-45453-823/root/chroot_tmpdir/scmroot/rust-thread_local
Cloning into '/var/lib/mock/f45-build-45453-823/root/chroot_tmpdir/scmroot/rust-thread_local'...
$ git fetch origin 8141d3229805ed0f2a1b795f1f420d1b062a6439:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-thread_local
 * [new ref]         8141d3229805ed0f2a1b795f1f420d1b062a6439 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8141d32 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild