$ git clone -n https://gitee.com/zhoujiajia111/pulseaudio.git /var/lib/mock/dist-an23-build-445628-73283/root/chroot_tmpdir/scmroot/pulseaudio
Cloning into '/var/lib/mock/dist-an23-build-445628-73283/root/chroot_tmpdir/scmroot/pulseaudio'...
$ git fetch origin d1278544c5c44698ab1d226f7bbeb12c6fec590c:KOJI_FETCH_HEAD
From https://gitee.com/zhoujiajia111/pulseaudio
 * [new ref]         d1278544c5c44698ab1d226f7bbeb12c6fec590c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d127854 update pulseaudio.spec.