$ git clone -n https://src.fedoraproject.org/rpms/golang-github-containerd-ttrpc.git /var/lib/mock/f40-build-2709268-71601/root/chroot_tmpdir/scmroot/golang-github-containerd-ttrpc
Cloning into '/var/lib/mock/f40-build-2709268-71601/root/chroot_tmpdir/scmroot/golang-github-containerd-ttrpc'...
$ git fetch origin b19a177d975b0acf9747b42f67919ed2cee3b38a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-containerd-ttrpc
 * [new ref]         b19a177d975b0acf9747b42f67919ed2cee3b38a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b19a177 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild