$ git clone -n https://src.fedoraproject.org/rpms/perl-Devel-PatchPerl.git /var/lib/mock/f45-build-23191-596/root/chroot_tmpdir/scmroot/perl-Devel-PatchPerl
Cloning into '/var/lib/mock/f45-build-23191-596/root/chroot_tmpdir/scmroot/perl-Devel-PatchPerl'...
$ git fetch origin 7f240cd8eeb60cbd56d89ee95ce8f01922b329c7:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Devel-PatchPerl
 * [new ref]         7f240cd8eeb60cbd56d89ee95ce8f01922b329c7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7f240cd Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild