$ git clone -n https://src.fedoraproject.org/rpms/perl-HTML-Encoding.git /var/lib/mock/f45-build-23873-599/root/chroot_tmpdir/scmroot/perl-HTML-Encoding
Cloning into '/var/lib/mock/f45-build-23873-599/root/chroot_tmpdir/scmroot/perl-HTML-Encoding'...
$ git fetch origin 14310ff03283c222438283a20aea542c26c01f24:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-HTML-Encoding
 * [new ref]         14310ff03283c222438283a20aea542c26c01f24 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 14310ff Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild