$ git clone -n https://src.fedoraproject.org/rpms/rust-pretty_env_logger0.4.git /var/lib/mock/f38-build-side-43-rust-devel-1421669-31465/root/chroot_tmpdir/scmroot/rust-pretty_env_logger0.4
Cloning into '/var/lib/mock/f38-build-side-43-rust-devel-1421669-31465/root/chroot_tmpdir/scmroot/rust-pretty_env_logger0.4'...
$ git fetch origin 6e5b62d3522c9d959b27bd60e1ba183ca21eae4e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-pretty_env_logger0.4
 * [new ref]         6e5b62d3522c9d959b27bd60e1ba183ca21eae4e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6e5b62d Initial import (pretty_env_logger 0.4 compat package)