$ git clone -n https://gitee.com/zhoujiajia111/pulseaudio_1.git /var/lib/mock/dist-an23-build-446033-73299/root/chroot_tmpdir/scmroot/pulseaudio_1
Cloning into '/var/lib/mock/dist-an23-build-446033-73299/root/chroot_tmpdir/scmroot/pulseaudio_1'...
$ git fetch origin fd187e4449eaf190c8e9da742d421cd6b5775628:KOJI_FETCH_HEAD
From https://gitee.com/zhoujiajia111/pulseaudio_1
 * [new ref]         fd187e4449eaf190c8e9da742d421cd6b5775628 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fd187e4 update 17.0