$ git clone -n https://src.fedoraproject.org/rpms/rust-packaging.git /var/lib/mock/f37-build-639459-71244/root/chroot_tmpdir/scmroot/rust-packaging
Cloning into '/var/lib/mock/f37-build-639459-71244/root/chroot_tmpdir/scmroot/rust-packaging'...
$ git reset --hard 4ea10b76e13df7a2cc9f50995ec35befe7a2a9c1
HEAD is now at 4ea10b7 Adjust build flags to allow the new implementation using --package-metadata