$ git clone -n https://src.fedoraproject.org/rpms/golang-google-grpc.git /var/lib/mock/f40-build-2584600-62405/root/chroot_tmpdir/scmroot/golang-google-grpc
Cloning into '/var/lib/mock/f40-build-2584600-62405/root/chroot_tmpdir/scmroot/golang-google-grpc'...
$ git fetch origin 2bf67de193f62aeb2fbdb479dc70b0a51b8506ae:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-google-grpc
 * [new ref]         2bf67de193f62aeb2fbdb479dc70b0a51b8506ae -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2bf67de Rebuild for golang 1.22.0