$ git clone -n https://gitee.com/bluevalley/edk2.git /var/lib/mock/dist-an23-build-501729-74764/root/chroot_tmpdir/scmroot/edk2
Cloning into '/var/lib/mock/dist-an23-build-501729-74764/root/chroot_tmpdir/scmroot/edk2'...
$ git fetch origin b067fecd65fd2c9feaee11880e58a28a25fdb927:KOJI_FETCH_HEAD
From https://gitee.com/bluevalley/edk2
 * [new ref]         b067fecd65fd2c9feaee11880e58a28a25fdb927 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b067fec MdePkg/BaseCpuLib: Add Vector initialization support for RISC-V