| commit | 2bdbc942f5ae3da8cad8d0f2bd3f4ce75a821e6c | [log] [tgz] |
|---|---|---|
| author | Jay Conrod <jayconrod@google.com> | Mon Apr 15 15:34:49 2019 -0400 |
| committer | Jay Conrod <jayconrod@google.com> | Tue Apr 16 18:50:43 2019 +0000 |
| tree | 8553aefca5a2194b5a5bd80666d8d50b3816353d | |
| parent | f7c967259254fa90e1f1951f83fb66850ae3809a [diff] |
cmd/go: print package import chains for some build list errors When we construct the build list by loading packages (e.g., in "go build", "go list", or "go test"), we may load additional modules not mentioned in the original build list. If we encounter an error loading one of these modules, mvs.BuildList currently returns a BuildListError with a chain of requirments. Unfortunately, this is not helpful, since the graph is structured such that these missing modules are direct requirements of the main module. With this change, loader.load keeps track of the package that caused each "missing" module to be added. If an error occurs in a missing module, the chain of package imports is printed instead of the module requirements. Fixes #31475 Change-Id: Ie484814af42ceea3e85fedc38e705ba3a38cd495 Reviewed-on: https://go-review.googlesource.com/c/go/+/171859 Run-TryBot: Jay Conrod <jayconrod@google.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Bryan C. Mills <bcmills@google.com>
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