$ git clone -n https://src.fedoraproject.org/rpms/rust-os_pipe.git /var/lib/mock/f37-build-side-31-rust-devel-117304-6331/root/chroot_tmpdir/scmroot/rust-os_pipe
Cloning into '/var/lib/mock/f37-build-side-31-rust-devel-117304-6331/root/chroot_tmpdir/scmroot/rust-os_pipe'...
$ git reset --hard 39f3d8d428f9b0112bf46b9b6f2d0a2a257897e2
HEAD is now at 39f3d8d Update to version 1.1.2; Fixes RHBZ#2148538