$ git clone -n https://gitee.com/yan1hcdc/poppler.git /var/lib/mock/dist-an23-build-446021-73299/root/chroot_tmpdir/scmroot/poppler
Cloning into '/var/lib/mock/dist-an23-build-446021-73299/root/chroot_tmpdir/scmroot/poppler'...
$ git fetch origin fb9e35f8c498d99a05d7fcf14ed957019f3499a9:KOJI_FETCH_HEAD
From https://gitee.com/yan1hcdc/poppler
 * [new ref]         fb9e35f8c498d99a05d7fcf14ed957019f3499a9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fb9e35f Rebuild with boost for riscv