$ git clone -n https://src.fedoraproject.org/rpms/emacs-apel.git /var/lib/mock/f39-build-1560470-37339/root/chroot_tmpdir/scmroot/emacs-apel
Cloning into '/var/lib/mock/f39-build-1560470-37339/root/chroot_tmpdir/scmroot/emacs-apel'...
$ git fetch origin a17b0a44923603b99ccb15a6c543af9f416a66a5:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/emacs-apel
 * [new ref]         a17b0a44923603b99ccb15a6c543af9f416a66a5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a17b0a4 Rebase to apel-wl from git.