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go-modules-example

trying things around go modules multimodules, multisubmodules and tagging

https://github.com/azr/go-modules-example/blob/v3/cmd/main.go ( in the v3 branch ) uses modules of the same packages under 3 different versions.

here are some take aways :

  • to tag a subpkg one just has to git tag subpkg/v3.0.0 for example allowing to selectively tag subpackages like here: https://github.com/azr/go-modules-example/tree/subpkg/v3.0.0

  • use a v${MAJOR_VERSION} branch to make updates easier, my go (1.14) could only find the v3.0.0 version - without hinting nor using the commit sha - only after I put the tag in the v3 branch ( first it was in the v2 one )

  • there always needs to be a go.mod file in the root git folder