Understanding how Gradle downloads dependencies from external repositories

[mark_vieira]

@trevorhalvorson

I’m looking for how gradle is exactly downloading the dependency from a repository on the internet.

Depends on the transport protocol, HTTP, SFTP or S3.

@trevorhalvorson

Then I want to look into how it finds and downloads additional dependencies of a dependency (if necessary).

There’s really no single example of where this is done. It depends a lot on the type of dependency (project, client module, external) and repository type (ivy/maven). The entry point to all this madness is resolving a Configuration. Feel free to go down the rabbit hole, but beware, there be dragons.

gradle/gradle/blob/985d382b3899d1ae10067f659e58dd33dd7c348e/subprojects/dependency-management/src/main/java/org/gradle/api/internal/artifacts/ivyservice/DefaultConfigurationResolver.java#L68-L68