$ git clone -n https://gitee.com/xzyang-anolis/deepin-image-viewer.git /var/lib/mock/dist-an23-build-353041-71008/root/chroot_tmpdir/scmroot/deepin-image-viewer
Cloning into '/var/lib/mock/dist-an23-build-353041-71008/root/chroot_tmpdir/scmroot/deepin-image-viewer'...
$ git fetch origin a23:KOJI_FETCH_HEAD
From https://gitee.com/xzyang-anolis/deepin-image-viewer
 * [new branch]      a23        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 13662ca Update to deepin-image-viewer-5.8.2