$ git clone -n https://gitee.com/rabbitali/libcanberra.git /var/lib/mock/dist-an23-build-490851-74530/root/chroot_tmpdir/scmroot/libcanberra
Cloning into '/var/lib/mock/dist-an23-build-490851-74530/root/chroot_tmpdir/scmroot/libcanberra'...
$ git fetch origin 30bc5d437a78b350f4534c30f62e9f9360bcc6d5:KOJI_FETCH_HEAD
From https://gitee.com/rabbitali/libcanberra
 * [new ref]         30bc5d437a78b350f4534c30f62e9f9360bcc6d5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 30bc5d4 Update code from upstream