$ git clone -n https://src.fedoraproject.org/rpms/rust-block-buffer.git /var/lib/mock/f37-build-side-31-rust-devel-110641-5892/root/chroot_tmpdir/scmroot/rust-block-buffer
Cloning into '/var/lib/mock/f37-build-side-31-rust-devel-110641-5892/root/chroot_tmpdir/scmroot/rust-block-buffer'...
$ git reset --hard 9237ad2703ae3c8ae9df5d82cbd27b76fdfc7a45
HEAD is now at 9237ad2 Update to version 0.10.3; Fixes RHBZ#2124123