$ git clone -n https://src.fedoraproject.org/rpms/rust-heapless0.8.git /var/lib/mock/f45-build-42314-792/root/chroot_tmpdir/scmroot/rust-heapless0.8
Cloning into '/var/lib/mock/f45-build-42314-792/root/chroot_tmpdir/scmroot/rust-heapless0.8'...
$ git fetch origin a8dd8b4be44b4b4f3d3c4e522a5bdce157ff0f2f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-heapless0.8
 * [new ref]         a8dd8b4be44b4b4f3d3c4e522a5bdce157ff0f2f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a8dd8b4 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild