$ git clone -n https://src.fedoraproject.org/rpms/rust-heapless0.7.git /var/lib/mock/f45-build-42313-792/root/chroot_tmpdir/scmroot/rust-heapless0.7
Cloning into '/var/lib/mock/f45-build-42313-792/root/chroot_tmpdir/scmroot/rust-heapless0.7'...
$ git fetch origin e22451594d0df1e27ceb261dd14c885d5bdb0a55:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-heapless0.7
 * [new ref]         e22451594d0df1e27ceb261dd14c885d5bdb0a55 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e224515 Avoid depending on the ufmt-write crate