$ git clone -n https://gitee.com/idolsama/libomp.git /var/lib/mock/dist-an23-build-326560-68995/root/chroot_tmpdir/scmroot/libomp
Cloning into '/var/lib/mock/dist-an23-build-326560-68995/root/chroot_tmpdir/scmroot/libomp'...
$ git fetch origin cc84351e62845cc6e26e911692dbbd98d4f25e36:KOJI_FETCH_HEAD
From https://gitee.com/idolsama/libomp
 * [new ref]         cc84351e62845cc6e26e911692dbbd98d4f25e36 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at cc84351 fix build error for riscv64