$ git clone -n https://src.fedoraproject.org/rpms/perl-Class-Accessor-Chained.git /var/lib/mock/f45-build-22284-590/root/chroot_tmpdir/scmroot/perl-Class-Accessor-Chained
Cloning into '/var/lib/mock/f45-build-22284-590/root/chroot_tmpdir/scmroot/perl-Class-Accessor-Chained'...
$ git fetch origin 4ca0cc9ff4fd705c58b81cb2f0bdcbaf5bfd3d6f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Class-Accessor-Chained
 * [new ref]         4ca0cc9ff4fd705c58b81cb2f0bdcbaf5bfd3d6f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4ca0cc9 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild