Docker build- There is an issue with t riscv/mycpu here

[OnesByte]

ERROR: failed to solve: process "/bin/sh -c git clone -b rvv-intrinsic --single-branch https://github.com/riscv/riscv-gnu-toolchain.git && cd riscv-gnu-toolchain && git checkout 5842fde8ee5bb3371643b60ed34906eff7a5fa31 && git submodule update --init --recursive && mkdir build && cd build && ../configure --prefix=${RISCV} --enable-multilib && make -j4 && cd ${RISCV} && rm -rf ${RISCV}/riscv-gnu-toolchain" did not complete successfully: exit code: 128
In Docker Build- In the step of t riscv/mycpu
I have changed rvv 0.9. x to rvv introductory, but I still cannot find the target. Still reporting errors.
Is there any solution?

[rhysd]

That's because the Dockerfile is outdated. The branch no longer exists.

[OnesByte]

Hello, thank you for your answer. I was also aware of this issue before and have searched for a solution. But I don't know how to make changes to reproduce your project:
RUN git clone - b rvv 0.9. x -- single brand https://github.com/riscv/riscv-gnu-toolchain.git &&
CD riscv gnu toolchain&&git checkout 5842fde8ee5bb3371643b60ed34906eff7a5fa31&&
Git submodule update -- init -- recursive&&
Mkdir build&&cd build&&/ Configure -- prefix=${RISCV} -- enable multi lib&&make - j4&&
Cd ${RISCV}&&rm - rf ${RISCV}/riscv gnu toolchain
Can you give me an alternative method? I would greatly appreciate it.