$ git clone -n https://src.fedoraproject.org/rpms/perl-Alien-SDL.git /var/lib/mock/f45-build-21627-587/root/chroot_tmpdir/scmroot/perl-Alien-SDL
Cloning into '/var/lib/mock/f45-build-21627-587/root/chroot_tmpdir/scmroot/perl-Alien-SDL'...
$ git fetch origin f11cee89918d57dee853aa261bbca74678e58d9d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Alien-SDL
 * [new ref]         f11cee89918d57dee853aa261bbca74678e58d9d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f11cee8 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild