$ git clone -n https://src.fedoraproject.org/rpms/golang-github-matttproud-protobuf-extensions2.git /var/lib/mock/f40-build-2288275-55775/root/chroot_tmpdir/scmroot/golang-github-matttproud-protobuf-extensions2
Cloning into '/var/lib/mock/f40-build-2288275-55775/root/chroot_tmpdir/scmroot/golang-github-matttproud-protobuf-extensions2'...
$ git fetch origin f6c889ad23eeadc5bbad0e5b00eda341b69500b7:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-matttproud-protobuf-extensions2
 * [new ref]         f6c889ad23eeadc5bbad0e5b00eda341b69500b7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f6c889a Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild