$ git clone -n https://src.fedoraproject.org/rpms/perl-ExtUtils-CChecker.git /var/lib/mock/f45-build-23401-597/root/chroot_tmpdir/scmroot/perl-ExtUtils-CChecker
Cloning into '/var/lib/mock/f45-build-23401-597/root/chroot_tmpdir/scmroot/perl-ExtUtils-CChecker'...
$ git fetch origin 9d33ccfbb7526cf2b88511ea5964879f21cf64bf:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-ExtUtils-CChecker
 * [new ref]         9d33ccfbb7526cf2b88511ea5964879f21cf64bf -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9d33ccf Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild