$ git clone -n https://gitee.com/zhangwenlong01/libbluray.git /var/lib/mock/dist-an23-build-504334-74854/root/chroot_tmpdir/scmroot/libbluray
Cloning into '/var/lib/mock/dist-an23-build-504334-74854/root/chroot_tmpdir/scmroot/libbluray'...
$ git fetch origin edc2b64ecc9a3dc16e33ca002e8158ef5eccb284:KOJI_FETCH_HEAD
From https://gitee.com/zhangwenlong01/libbluray
 * [new ref]         edc2b64ecc9a3dc16e33ca002e8158ef5eccb284 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at edc2b64 rebuild for loongarch64