$ git clone -n https://src.fedoraproject.org/rpms/perl-CGI-Application-Plugin-DBIx-Class.git /var/lib/mock/f45-build-21980-589/root/chroot_tmpdir/scmroot/perl-CGI-Application-Plugin-DBIx-Class
Cloning into '/var/lib/mock/f45-build-21980-589/root/chroot_tmpdir/scmroot/perl-CGI-Application-Plugin-DBIx-Class'...
$ git fetch origin 6f7dafb573b8bbc4935e21fdd75cc4daa2949593:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-CGI-Application-Plugin-DBIx-Class
 * [new ref]         6f7dafb573b8bbc4935e21fdd75cc4daa2949593 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6f7dafb Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild