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Bryan C. Mills 414c1d454e cmd/go: derive TestExecutableGOROOT environment from tg.env instead of os.Environ()
TestExecutableGOROOT, unlike most other tests in go_test.go, was
running subcommands in a process with an environment derived directly
from os.Environ(), rather than using tg.env on its testgoData object.

Since tg.env is what sets GO111MODULE=off for GOPATH-mode tests, that
caused TestExecutableGOROOT to unexpectedly run in module mode instead
of GOPATH mode. If the user's environment included 'GOFLAGS=-mod=mod',
that would cause the test to spuriously fail due to the inability to
download modules to $HOME (which in this test binary is hard-coded to
"/test-go-home-does-not-exist").

Updates #33848

Change-Id: I2f343008dd9e38cd76b9919eafd5a3181d0cbd6f
Reviewed-on: https://go-review.googlesource.com/c/go/+/205064
Run-TryBot: Bryan C. Mills <bcmills@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
2019-11-05 16:31:48 +00:00
.github .github: don't render author-facing text in ISSUE_TEMPLATE 2018-11-02 04:47:34 +00:00
api unicode: upgrade to Unicode 12 2019-11-05 14:34:56 +00:00
doc testing: implement Cleanup method 2019-11-04 10:13:30 +00:00
lib/time lib/time: update tz data to 2019b 2019-07-03 23:08:27 +00:00
misc misc/ios: bump -mios-version-min 2019-11-05 14:44:56 +00:00
src cmd/go: derive TestExecutableGOROOT environment from tg.env instead of os.Environ() 2019-11-05 16:31:48 +00:00
test cmd/compile: fix //go:uintptrescapes for basic method calls 2019-11-05 00:26:30 +00:00
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The Go Programming Language

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