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cmd/go: improve 'missing $GOPATH' error message when HOME is unset #29341

bitfield opened this issue Dec 19, 2018 · 1 comment


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@bitfield bitfield commented Dec 19, 2018

With reference to #24064, this is a common occurrence when trying to automate the installation of Go programs with tools such as Puppet. System commands are run in an initially empty environment, so a command like:

GO111MODULE=on go get

fails with this error:

missing $GOPATH

But this works fine in a 'normal' interactive environment, because GOPATH is inferred from the value of $HOME. What's missing here is not $GOPATH, per se, but $HOME.

Maybe this error message could be improved, along the lines of:

GOPATH not set; unable to default to '$HOME/go' because HOME is not set either. Please set either GOPATH or HOME.

@bcmills bcmills added this to the Go1.13 milestone Dec 19, 2018
@ALTree ALTree changed the title Improve 'missing $GOPATH' error message when HOME is unset cmd/go: improve 'missing $GOPATH' error message when HOME is unset Dec 19, 2018
@bcmills bcmills modified the milestones: Go1.13, Go1.12 Dec 19, 2018

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@gopherbot gopherbot commented Jan 17, 2019

Change mentions this issue: cmd/go/internal/modload: improve error message when $HOME is unset

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