$ git clone -n https://gitee.com/guost123/gcc.git /var/lib/mock/dist-an23.3-build-431024-73054/root/chroot_tmpdir/scmroot/gcc
Cloning into '/var/lib/mock/dist-an23.3-build-431024-73054/root/chroot_tmpdir/scmroot/gcc'...
$ git fetch origin 584a32e11c6dcdbcbe275facb8d89f115c6c0298:KOJI_FETCH_HEAD
From https://gitee.com/guost123/gcc
 * [new ref]         584a32e11c6dcdbcbe275facb8d89f115c6c0298 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 584a32e adapt for riscv64