$ git clone -n https://gitee.com/yan1hcdc/libseccomp.git /var/lib/mock/dist-an23-build-498648-74683/root/chroot_tmpdir/scmroot/libseccomp
Cloning into '/var/lib/mock/dist-an23-build-498648-74683/root/chroot_tmpdir/scmroot/libseccomp'...
$ git fetch origin ae752d8b533fcb7cc5c777783d9274a6efc6fdce:KOJI_FETCH_HEAD
From https://gitee.com/yan1hcdc/libseccomp
 * [new ref]         ae752d8b533fcb7cc5c777783d9274a6efc6fdce -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ae752d8 rebuild with new gcc