$ git clone -n https://src.fedoraproject.org/rpms/perl-CGI-Application-Structured.git /var/lib/mock/f45-build-22019-589/root/chroot_tmpdir/scmroot/perl-CGI-Application-Structured
Cloning into '/var/lib/mock/f45-build-22019-589/root/chroot_tmpdir/scmroot/perl-CGI-Application-Structured'...
$ git fetch origin c35986fbcb86dcce4f7121382b93592e9fc9aeb9:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-CGI-Application-Structured
 * [new ref]         c35986fbcb86dcce4f7121382b93592e9fc9aeb9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c35986f Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild