$ git clone -n https://src.fedoraproject.org/rpms/perl-Class-DBI-Pager.git /var/lib/mock/f45-build-22420-591/root/chroot_tmpdir/scmroot/perl-Class-DBI-Pager
Cloning into '/var/lib/mock/f45-build-22420-591/root/chroot_tmpdir/scmroot/perl-Class-DBI-Pager'...
$ git fetch origin a6dbf53b3e86bd0c4a78d4d846433d8ef62cf168:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Class-DBI-Pager
 * [new ref]         a6dbf53b3e86bd0c4a78d4d846433d8ef62cf168 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a6dbf53 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild