$ git clone -n https://gitee.com/src-anolis-os/istack-commons /var/lib/mock/dist-an8.6-build-88586-44922/root/chroot_tmpdir/scmroot/istack-commons
Cloning into '/var/lib/mock/dist-an8.6-build-88586-44922/root/chroot_tmpdir/scmroot/istack-commons'...
$ git reset --hard origin/a8
HEAD is now at 7d03578 update to istack-commons-2.21-9.el8+7.src.rpm
$ wget -O istack-commons-2.21.tar.gz http://build.openanolis.cn/kojifiles/upstream-source/istack-commons-2.21.tar.gz.5ddedab919f7ac3fbcbd6319d1090eff
--2022-05-06 16:25:07--  http://build.openanolis.cn/kojifiles/upstream-source/istack-commons-2.21.tar.gz.5ddedab919f7ac3fbcbd6319d1090eff
Resolving build.openanolis.cn (build.openanolis.cn)... 172.16.0.137
Connecting to build.openanolis.cn (build.openanolis.cn)|172.16.0.137|:80... connected.
HTTP request sent, awaiting response... 200 OK
Length: 77157 (75K) [application/x-gzip]
Saving to: ‘istack-commons-2.21.tar.gz’

     0K .......... .......... .......... .......... .......... 66%  207M 0s
    50K .......... .......... .....                           100%  204M=0s

2022-05-06 16:25:07 (206 MB/s) - ‘istack-commons-2.21.tar.gz’ saved [77157/77157]