$ git clone -n https://src.fedoraproject.org/rpms/perl-Data-Section-Simple.git /var/lib/mock/f45-build-22994-595/root/chroot_tmpdir/scmroot/perl-Data-Section-Simple
Cloning into '/var/lib/mock/f45-build-22994-595/root/chroot_tmpdir/scmroot/perl-Data-Section-Simple'...
$ git fetch origin deb8cde7d3e0ebf15ba5eaf4c617e9138b32ce36:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Data-Section-Simple
 * [new ref]         deb8cde7d3e0ebf15ba5eaf4c617e9138b32ce36 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at deb8cde Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild