$ git clone -n https://src.fedoraproject.org/rpms/perl-Class-ErrorHandler.git /var/lib/mock/f45-build-22358-591/root/chroot_tmpdir/scmroot/perl-Class-ErrorHandler
Cloning into '/var/lib/mock/f45-build-22358-591/root/chroot_tmpdir/scmroot/perl-Class-ErrorHandler'...
$ git fetch origin 7ee3fa505b9a8cdebcdabcbe20affd0fabd994bc:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Class-ErrorHandler
 * [new ref]         7ee3fa505b9a8cdebcdabcbe20affd0fabd994bc -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7ee3fa5 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild