$ git clone -n https://src.fedoraproject.org/rpms/perl-Template-Tiny.git /var/lib/mock/f45-build-26501-617/root/chroot_tmpdir/scmroot/perl-Template-Tiny
Cloning into '/var/lib/mock/f45-build-26501-617/root/chroot_tmpdir/scmroot/perl-Template-Tiny'...
$ git fetch origin 47dfd231a27bfde25e15504f6547d893bc6f0c74:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Template-Tiny
 * [new ref]         47dfd231a27bfde25e15504f6547d893bc6f0c74 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 47dfd23 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild