$ git clone -n https://src.fedoraproject.org/rpms/rust-async-stream.git /var/lib/mock/f37-build-side-31-rust-devel-127871-7322/root/chroot_tmpdir/scmroot/rust-async-stream
Cloning into '/var/lib/mock/f37-build-side-31-rust-devel-127871-7322/root/chroot_tmpdir/scmroot/rust-async-stream'...
$ git reset --hard 7caf9816eb721c7ef79a800f0d844b5c504638f6
HEAD is now at 7caf981 Update to version 0.3.3; Fixes RHBZ#2063591