Allow wrappers about bazel-gazelle HOT 7 OPEN

Have you tried

# gazelle:map_kind go_binary go_image @io_bazel_rules_docker//go:image.bzl

I've been using this in my repo for a long time to great success. Where it would have generated a go_binary it generates a go_image imported from @io_bazel_rules_docker//go:image.bzl.

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If you're looking for some inspiration, there are a couple of simple plugins that are pretty easy to work through. The easiest is one that makes a filegroup for every file in the repo[0]. A slightly more involved one is the xlang[1] that you can use as a sample as well.

[0] https://github.com/bazelbuild/bazel-gazelle/blob/master/internal/language/test_filegroup/lang.go
[1] https://github.com/bazelbuild/bazel-gazelle/blob/master/internal/gazellebinarytest/xlang.go

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This would also be useful for bazel-integration-testing's bazel_go_integration_test

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This would be very useful also to allow gazelle to generate predefined go_image and container_push targets from rules_docker together with go_binary, instead of having to manually write those.

Any ideas on how to do that? Where to start? I would love to help.

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@achew22 I didn't now about that. Worked here, thanks a lot.

About container_push, do you know if there is a similar approach or for that case we have to manually write on all targets?

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What would the container_push wrap? If you want one next to every go_image you could make a macro that has the rules_docker go_image in addition to a container_push and then you'd get it at the same time. That said, macros that silently create resources that you probably want to run are suboptimal from a usability standpoint. It's very nice to be able to see all the targets that you care about explicitly listed in a BUILD.

You could pretty easily put together a Gazelle plugin to create a container_push automatically for every *_image that it finds.

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Thanks. Yes, that was my goal: to have container_push next to each go_image. I will try to write a Gazelle plugin. If I succeed I will post here. It might be useful, because I didn't find anything similar to that atm.

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