$ git clone -n https://src.fedoraproject.org/rpms/rust-heapsize.git /var/lib/mock/f40-build-2325348-58807/root/chroot_tmpdir/scmroot/rust-heapsize
Cloning into '/var/lib/mock/f40-build-2325348-58807/root/chroot_tmpdir/scmroot/rust-heapsize'...
$ git fetch origin 6df199cd1af7674598852cda40caa609080f8549:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-heapsize
 * [new ref]         6df199cd1af7674598852cda40caa609080f8549 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6df199c Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild