$ git clone -n https://src.fedoraproject.org/rpms/python-pymapvbvd.git /var/lib/mock/f38-build-side-42-init-devel-1184264-30621/root/chroot_tmpdir/scmroot/python-pymapvbvd
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-1184264-30621/root/chroot_tmpdir/scmroot/python-pymapvbvd'...
$ git fetch origin 2242a658007632a030a1bab1b9c377883d8778e4:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-pymapvbvd
 * [new ref]         2242a658007632a030a1bab1b9c377883d8778e4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2242a65 Add mandatory ExcludeArch bug link