$ git clone -n https://src.fedoraproject.org/rpms/golang-github-rogpeppe-internal.git /var/lib/mock/f45-build-20234-569/root/chroot_tmpdir/scmroot/golang-github-rogpeppe-internal
Cloning into '/var/lib/mock/f45-build-20234-569/root/chroot_tmpdir/scmroot/golang-github-rogpeppe-internal'...
$ git fetch origin 4342a8f400bf2260b72f757029b50287af0a8c83:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-rogpeppe-internal
 * [new ref]         4342a8f400bf2260b72f757029b50287af0a8c83 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4342a8f Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild