$ git clone -n https://src.fedoraproject.org/rpms/perl-AnyEvent-AIO.git /var/lib/mock/f45-build-21610-587/root/chroot_tmpdir/scmroot/perl-AnyEvent-AIO
Cloning into '/var/lib/mock/f45-build-21610-587/root/chroot_tmpdir/scmroot/perl-AnyEvent-AIO'...
$ git fetch origin c7026f35a0a9b1ea13090197bd2859f9567dbad8:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-AnyEvent-AIO
 * [new ref]         c7026f35a0a9b1ea13090197bd2859f9567dbad8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c7026f3 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild