$ git clone -n https://src.fedoraproject.org/rpms/rust-binary-heap-plus.git /var/lib/mock/f45-build-40439-772/root/chroot_tmpdir/scmroot/rust-binary-heap-plus
Cloning into '/var/lib/mock/f45-build-40439-772/root/chroot_tmpdir/scmroot/rust-binary-heap-plus'...
$ git fetch origin e4913944729781311d703c8bc765c232653aae79:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-binary-heap-plus
 * [new ref]         e4913944729781311d703c8bc765c232653aae79 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e491394 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild