7dedc237c5
This change adds two possible upgrade paths for lazy loading: 1. Run 'go mod tidy -go=1.17'. 2. Starting in a module with no existing 'go' directive, run any 'go' command that updates the go.mod file. In the latter case, commands other than 'go mod tidy' may leave the go.mod file *very* untidy if it had non-trivial dependencies. (The 'go' invocation will promote all implicit eager dependencies to explicit lazy ones, which preserves the original module graph — most of which is not actually relevant.) 'go mod tidy -go=1.17' can be used to enable lazy loading without accidentally downgrading existing transitive dependencies. 'go mod tidy -go=1.16' can be used to disable lazy loading and clear away redundant roots in a single step (if reducing the go version), or to prune away dependencies of tests-of-external-tests (if increasing the go version). 'go mod tidy -go=1.15' can be used to add dependencies of tests-of-external-tests, although there isn't much point to that. DO NOT MERGE This change still needs an explicit test and a release note. Fixes #45094 For #36460 Change-Id: I68f057e39489dfd6a667cd11dc1e320c1ee1aec1 Reviewed-on: https://go-review.googlesource.com/c/go/+/315210 Trust: Bryan C. Mills <bcmills@google.com> Run-TryBot: Bryan C. Mills <bcmills@google.com> TryBot-Result: Go Bot <gobot@golang.org> Reviewed-by: Michael Matloob <matloob@golang.org> |
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