$ git clone -n https://src.fedoraproject.org/rpms/perl-POE-Component-Client-DNS.git /var/lib/mock/f45-build-25509-611/root/chroot_tmpdir/scmroot/perl-POE-Component-Client-DNS
Cloning into '/var/lib/mock/f45-build-25509-611/root/chroot_tmpdir/scmroot/perl-POE-Component-Client-DNS'...
$ git fetch origin 1637bf051fedc021cad6bdfb64306df392adeeb1:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-POE-Component-Client-DNS
 * [new ref]         1637bf051fedc021cad6bdfb64306df392adeeb1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1637bf0 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild