$ git clone -n https://src.fedoraproject.org/rpms/golang-github-matttproud-protobuf-extensions.git /var/lib/mock/f40-build-2288273-55775/root/chroot_tmpdir/scmroot/golang-github-matttproud-protobuf-extensions
Cloning into '/var/lib/mock/f40-build-2288273-55775/root/chroot_tmpdir/scmroot/golang-github-matttproud-protobuf-extensions'...
$ git fetch origin acb0d1fc6a7e9ab55c5d44d6981f908645e73acb:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-matttproud-protobuf-extensions
 * [new ref]         acb0d1fc6a7e9ab55c5d44d6981f908645e73acb -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at acb0d1f Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild