$ git clone -n https://gitee.com/src-anolis-os/cups-filters /var/lib/mock/dist-an7-updates-build-95249-44210/root/chroot_tmpdir/scmroot/cups-filters
Cloning into '/var/lib/mock/dist-an7-updates-build-95249-44210/root/chroot_tmpdir/scmroot/cups-filters'...
$ git reset --hard origin/a7
HEAD is now at 9f1d913 update to cups-filters-1.0.35-29.el7_9
$ wget -O backend.tar.gz http://build.openanolis.cn/kojifiles/upstream-source/backend.tar.gz.83dbb55a92bdca08ee13699c918a6369
--2022-07-06 20:57:41--  http://build.openanolis.cn/kojifiles/upstream-source/backend.tar.gz.83dbb55a92bdca08ee13699c918a6369
Resolving build.openanolis.cn (build.openanolis.cn)... 8.141.190.226, 8.141.190.224, 8.141.190.227, ...
Connecting to build.openanolis.cn (build.openanolis.cn)|8.141.190.226|:80... connected.
HTTP request sent, awaiting response... 404 Not Found
2022-07-06 20:57:41 ERROR 404: Not Found.