$ git clone -n https://gitee.com/zhoujiajia111/pulseaudio_1.git /var/lib/mock/dist-an23-build-446042-73299/root/chroot_tmpdir/scmroot/pulseaudio_1
Cloning into '/var/lib/mock/dist-an23-build-446042-73299/root/chroot_tmpdir/scmroot/pulseaudio_1'...
$ git fetch origin 89d2a6bd10733671704839fd6456a97e375285d0:KOJI_FETCH_HEAD
From https://gitee.com/zhoujiajia111/pulseaudio_1
 * [new ref]         89d2a6bd10733671704839fd6456a97e375285d0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 89d2a6b update 17.0