$ git clone -n https://src.fedoraproject.org/rpms/perl-CGI-Application-Plugin-DebugScreen.git /var/lib/mock/f45-build-22012-589/root/chroot_tmpdir/scmroot/perl-CGI-Application-Plugin-DebugScreen
Cloning into '/var/lib/mock/f45-build-22012-589/root/chroot_tmpdir/scmroot/perl-CGI-Application-Plugin-DebugScreen'...
$ git fetch origin af9293f5ae0c9a1c0824a4bdf06b21c56cb239a3:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-CGI-Application-Plugin-DebugScreen
 * [new ref]         af9293f5ae0c9a1c0824a4bdf06b21c56cb239a3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at af9293f Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild