$ git clone -n https://src.fedoraproject.org/rpms/rust-clap_mangen.git /var/lib/mock/f38-build-side-42-init-devel-594038-26156/root/chroot_tmpdir/scmroot/rust-clap_mangen
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-594038-26156/root/chroot_tmpdir/scmroot/rust-clap_mangen'...
$ git fetch origin 0a05d3fcec3d7bde7cf11ad1dbf21500240ff9d9:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-clap_mangen
 * [new ref]         0a05d3fcec3d7bde7cf11ad1dbf21500240ff9d9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0a05d3f Initial import (#2183742)