$ git clone -n https://gitee.com/src-anolis-os/libblockdev.git /var/lib/mock/dist-an23-loongarch-build-330347-69391/root/chroot_tmpdir/scmroot/libblockdev
Cloning into '/var/lib/mock/dist-an23-loongarch-build-330347-69391/root/chroot_tmpdir/scmroot/libblockdev'...
$ git fetch origin a23:KOJI_FETCH_HEAD
From https://gitee.com/src-anolis-os/libblockdev
 * [new branch]      a23        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4536f4c fix build error for libblockdev