Automatically add the Hacktoberfest tag to all of your GitHub repositories

TL;DR : Clone this, change the input variables and run

I'm sure you know it already, it's #hacktoberfest season!

We're welcoming pull requests at Adyen, and we have quite a few repositories. So as any engineer would do,  I spent an hour automating something I could have done in 10 minutes! Here is a small utility that finds all the repositories you are an owner of, and add the Hacktoberfest topic to them :).

I really like Kotlin, and today was the Kotlin Premiere event (lots of good stuff announced btw, have a look!) so that's the language I decided to go for. Instead of using the Java GitHub API, I went barebones with a Ktor client and the default kotlinx serialization.

You can find the complete code here, it's not super complicated :). Here it is, in all of its glory :

A few things I learnt tonight :

• It is quite easy to remap the JSON payload of the requests when deserializing using  the @SerialName annotation.
• Don't forget to use the ignoreUnknownKeys if you go for minimal interfaces, at the risk of spending some time searching why your deserialization fails.
• Using enums as strings is quite seemless, no need for the toString methods. Nice!
• Also nice to see that you can easily add elements to immutable list (well, return a new immutable list with the new element added) simply using the `+` operator.  I tried it, coming from Elm and BOUM it worked!

That's it! There isn't much more to say :). I know it can be improved and there is some slight duplication but for its use that's definitely good enough. If I'm motivated enough, I might try to see if I can make it multi-platform, that'd be fun!

Till next time!