$ git clone -n https://src.fedoraproject.org/rpms/rust-pretty_env_logger.git /var/lib/mock/f38-build-side-43-rust-devel-1411987-31436/root/chroot_tmpdir/scmroot/rust-pretty_env_logger
Cloning into '/var/lib/mock/f38-build-side-43-rust-devel-1411987-31436/root/chroot_tmpdir/scmroot/rust-pretty_env_logger'...
$ git fetch origin 7aab1989e6ea7f22e421b091b37cf3461ecb02a1:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-pretty_env_logger
 * [new ref]         7aab1989e6ea7f22e421b091b37cf3461ecb02a1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7aab198 Update to version 0.5.0; Fixes RHBZ#2208320