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dev.Dockerfile: allow forcing a taprpc version #1116

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merged 1 commit into from
Jul 17, 2025

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ZZiigguurraatt
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We can now use the TAPRPC_VERSION build argument to force a specific taprpc version to be used when building. If the TAPRPC_VERSION build argument is not set, then build continues as before this change and uses the version already defined in go.mod and go.sum.

We can now use the `TAPRPC_VERSION` build argument to force a specific
taprpc version to be used when building. If the `TAPRPC_VERSION` build
argument is not set, then build continues as before this change and uses
the version already defined in `go.mod` and `go.sum`.
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Summary of Changes

Hello @ZZiigguurraatt, I'm Gemini Code Assist1! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

This pull request enhances the dev.Dockerfile by introducing a new build argument, TAPRPC_VERSION, which provides developers with the flexibility to explicitly control the taprpc dependency version during the Docker image build process. This is particularly useful for testing specific taprpc versions or ensuring compatibility, while maintaining the existing default behavior if no version is specified.

Highlights

  • New Docker Build Argument: Introduced TAPRPC_VERSION as a new build argument in dev.Dockerfile. This allows users to specify a particular taprpc version when building the Docker image.
  • Conditional Dependency Management: Added logic within dev.Dockerfile to conditionally fetch and use the taprpc dependency at the version specified by the TAPRPC_VERSION build argument. If the argument is not set, the build proceeds using the version defined in go.mod and go.sum.
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Code Review

This pull request introduces a new build argument TAPRPC_VERSION to the development Dockerfile, allowing for a specific version of taprpc to be used during the build. The implementation is consistent with the existing mechanism for overriding other dependencies like lnd and taproot-assets.

My main feedback is on the build efficiency. The current pattern of running go mod tidy after each go get is suboptimal. I've left a comment suggesting a refactor to improve build times by running go mod tidy only once.

Overall, the change is correct and achieves its goal.

Comment on lines +58 to +61
&& if [ -n "$TAPRPC_VERSION" ]; then \
go get -v github.com/lightninglabs/taproot-assets/taprpc@$TAPRPC_VERSION \
&& go mod tidy; \
fi \

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medium

While this change is consistent with the existing pattern for overriding dependencies, the pattern of running go mod tidy after each go get is inefficient as it can run up to three times. This increases the build time.

A more efficient approach would be to run all the go get commands first, and then run go mod tidy a single time at the end if any of the version arguments were provided.

This could be addressed in a follow-up PR to refactor this part of the Dockerfile for better build performance.

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i don't like that because it requires more if statements and I don't think go mod tidy runs that long

@ZZiigguurraatt ZZiigguurraatt marked this pull request as ready for review July 16, 2025 20:31
@guggero guggero merged commit ca0c2b6 into lightninglabs:master Jul 17, 2025
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2 participants