$ git clone -n https://gitee.com/zhoujiajia111/gstreamer1-plugins-base.git /var/lib/mock/dist-an23.2-build-430018-73034/root/chroot_tmpdir/scmroot/gstreamer1-plugins-base
Cloning into '/var/lib/mock/dist-an23.2-build-430018-73034/root/chroot_tmpdir/scmroot/gstreamer1-plugins-base'...
$ git fetch origin bc40a3fae1029e24317d9900a172417375b5547c:KOJI_FETCH_HEAD
From https://gitee.com/zhoujiajia111/gstreamer1-plugins-base
 * [new ref]         bc40a3fae1029e24317d9900a172417375b5547c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at bc40a3f update gstreamer1-plugins-base.spec.