$ git clone -n https://src.fedoraproject.org/rpms/golang-github-tmc-grpc-websocket-proxy.git /var/lib/mock/f38-build-side-42-init-devel-626256-26369/root/chroot_tmpdir/scmroot/golang-github-tmc-grpc-websocket-proxy
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-626256-26369/root/chroot_tmpdir/scmroot/golang-github-tmc-grpc-websocket-proxy'...
$ git fetch origin c82339fe4b29218d30f25dbe61dfb22957e26a90:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-tmc-grpc-websocket-proxy
 * [new ref]         c82339fe4b29218d30f25dbe61dfb22957e26a90 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c82339f Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild