$ git clone -n https://src.fedoraproject.org/rpms/rust-wezterm-color-types.git /var/lib/mock/f41-build-side-1-3099435-39334/root/chroot_tmpdir/scmroot/rust-wezterm-color-types
Cloning into '/var/lib/mock/f41-build-side-1-3099435-39334/root/chroot_tmpdir/scmroot/rust-wezterm-color-types'...
$ git fetch origin ecc6a74c0ffc9bf2203bbb9ff64f50a951ed4a2c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-wezterm-color-types
 * [new ref]         ecc6a74c0ffc9bf2203bbb9ff64f50a951ed4a2c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ecc6a74 no longer needed