$ git clone -n https://github.com/fedora-riscv/redhat-rpm-config.git /var/lib/mock/f40-build-2215645-52452/root/chroot_tmpdir/scmroot/redhat-rpm-config
Cloning into '/var/lib/mock/f40-build-2215645-52452/root/chroot_tmpdir/scmroot/redhat-rpm-config'...
$ git fetch origin 232c8f1e3bf1f41b2d3bdcbb855ceb076c258750:KOJI_FETCH_HEAD
From https://github.com/fedora-riscv/redhat-rpm-config
 * [new ref]         232c8f1e3bf1f41b2d3bdcbb855ceb076c258750 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 232c8f1 Disable LTO (GCC, Clang) globally for riscv64