$ git clone -n https://gitee.com/fundawang/pulseaudio.git /var/lib/mock/dist-an23-build-346937-70346/root/chroot_tmpdir/scmroot/pulseaudio
Cloning into '/var/lib/mock/dist-an23-build-346937-70346/root/chroot_tmpdir/scmroot/pulseaudio'...
$ git fetch origin 4110b901f5a281c137dbd8ed77f7b9a6a3898730:KOJI_FETCH_HEAD
From https://gitee.com/fundawang/pulseaudio
 * [new ref]         4110b901f5a281c137dbd8ed77f7b9a6a3898730 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4110b90 clean