$ git clone -n https://gitee.com/fundawang/libjpeg-turbo.git /var/lib/mock/dist-an23-build-290936-64987/root/chroot_tmpdir/scmroot/libjpeg-turbo
Cloning into '/var/lib/mock/dist-an23-build-290936-64987/root/chroot_tmpdir/scmroot/libjpeg-turbo'...
$ git fetch origin 8b1fbd19776dc29706e54cc3d6167cc7d6f1b16c:KOJI_FETCH_HEAD
From https://gitee.com/fundawang/libjpeg-turbo
 * [new ref]         8b1fbd19776dc29706e54cc3d6167cc7d6f1b16c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8b1fbd1 3.0.0