.travis.yml refers to nonexisting bash script

[wangkuiyi]

.travis.yml refers to .tools/gen_config.sh

https://github.com/PaddlePaddle/cloud/blob/48b4261342213445eeded108612c3916d4231894/.travis.yml#L18

which doesn't seem exist in https://github.com/PaddlePaddle/cloud/tree/develop/.tools

[wangkuiyi]

It seems that in the PR by @gongweibao , the file .tools/gen_config.sh was moved into go/.tools/gen_config.sh

[gongweibao]

Yep.
This line changes the current directory to go.

[wangkuiyi]

https://github.com/PaddlePaddle/cloud/blob/develop/go/.tools/gen_config.sh

What is the purpose of this shell script? Is it necessary?