$ git clone -n https://src.fedoraproject.org/rpms/perl-SQL-Abstract-Pg.git /var/lib/mock/f45-build-26092-614/root/chroot_tmpdir/scmroot/perl-SQL-Abstract-Pg
Cloning into '/var/lib/mock/f45-build-26092-614/root/chroot_tmpdir/scmroot/perl-SQL-Abstract-Pg'...
$ git fetch origin c90778a02d3974e728e51ef5454012fc5c2039fc:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-SQL-Abstract-Pg
 * [new ref]         c90778a02d3974e728e51ef5454012fc5c2039fc -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c90778a Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild