Dynamic Variables

[Alex Sanford]

Hey all,

I'm trying out Review Apps and I'm having a problem. I'm trying to spin up a new Heroku app for each Review App, but the problem is that my branch name in $CI_BUILD_REF_NAME contains characters that Heroku doesn't support.

I can create the Heroku app just fine by running the name through a regex and stripping out the invalid characters. But I can't seem to figure out how to create the environment URL properly. Is there a way to create dynamic variables in the YAML file, so I can create a variable, say "APP_NAME", and set it to a dynamic value, possibly piping stuff through shell commands?

I can do something like this:

environment:
 url:  https://$CI_BUILD_REF_NAME.herokuapp.com

But I need something more like this:

environment:
 url:  https://$(echo $CI_BUILD_REF_NAME | sed 's/_/-').herokuapp.com

But that ^ doesn't seem to work...

Thanks

Alex

[Michael Cox]

environment:
url: https://$(echo $CI_BUILD_REF_NAME | sed 's/_/-').herokuapp.com

Typo? The sed regex should be
's/_/-/g'

[Alex Sanford]

Yes there is a typo. My bad! But that isn't the problem. Even with the correct sed syntax, the command isn't being run 😔

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