$ git clone -n https://gitee.com/idolsama/texlive-base.git /var/lib/mock/dist-an23-build-326540-68995/root/chroot_tmpdir/scmroot/texlive-base
Cloning into '/var/lib/mock/dist-an23-build-326540-68995/root/chroot_tmpdir/scmroot/texlive-base'...
$ git fetch origin 5f67e0c3a450650a0f895afdfd9d9ad6029bd348:KOJI_FETCH_HEAD
From https://gitee.com/idolsama/texlive-base
 * [new ref]         5f67e0c3a450650a0f895afdfd9d9ad6029bd348 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5f67e0c Add support for riscv64