cmd/go: include GOMODCACHE in 'go help environment'

Updates #34527 Fixes #40089 Change-Id: Ie9c8573536e5c31e874d755f4d888ffc805b796f Reviewed-on: https://go-review.googlesource.com/c/go/+/241275 Run-TryBot: Jay Conrod <[email protected]> TryBot-Result: Gobot Gobot <[email protected]> Reviewed-by: Michael Matloob <[email protected]>
golang · Jul 13, 2020 · e88ea87 · e88ea87
1 parent 3a43226
commit e88ea87
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diff --git a/src/cmd/go/alldocs.go b/src/cmd/go/alldocs.go
diff --git a/src/cmd/go/internal/help/helpdoc.go b/src/cmd/go/internal/help/helpdoc.go
@@ -493,6 +493,8 @@ General-purpose environment variables:
 	GOCACHE
 		The directory where the go command will store cached
 		information for reuse in future builds.
+	GOMODCACHE
+		The directory where the go command will store downloaded modules.
 	GODEBUG
 		Enable various debugging facilities. See 'go doc runtime'
 		for details.