$ git clone -n https://src.fedoraproject.org/rpms/rust-os_str_bytes.git /var/lib/mock/f37-build-side-31-rust-devel-134782-8035/root/chroot_tmpdir/scmroot/rust-os_str_bytes
Cloning into '/var/lib/mock/f37-build-side-31-rust-devel-134782-8035/root/chroot_tmpdir/scmroot/rust-os_str_bytes'...
$ git reset --hard 8b0058f23d6b25c2729737976eb1e09efb7906a9
HEAD is now at 8b0058f Update to version 6.4.1; Fixes RHBZ#2138307