$ git clone -n https://src.fedoraproject.org/rpms/perl-System-Info.git /var/lib/mock/f41-build-side-1-2960155-35699/root/chroot_tmpdir/scmroot/perl-System-Info
Cloning into '/var/lib/mock/f41-build-side-1-2960155-35699/root/chroot_tmpdir/scmroot/perl-System-Info'...
$ git fetch origin 472646f0a76ee60d418e5cffa70d510960a334ee:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-System-Info
 * [new ref]         472646f0a76ee60d418e5cffa70d510960a334ee -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 472646f Update gating