$ git clone -n https://src.fedoraproject.org/rpms/perl-Dist-Zilla-Plugin-Test-Compile.git /var/lib/mock/f45-build-23239-596/root/chroot_tmpdir/scmroot/perl-Dist-Zilla-Plugin-Test-Compile
Cloning into '/var/lib/mock/f45-build-23239-596/root/chroot_tmpdir/scmroot/perl-Dist-Zilla-Plugin-Test-Compile'...
$ git fetch origin d77d6fbd4fb364b974b887915568f3dccb047af0:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Dist-Zilla-Plugin-Test-Compile
 * [new ref]         d77d6fbd4fb364b974b887915568f3dccb047af0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d77d6fb Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild