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cmd/go: document go env GOMOD

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Fixes #26500.

Change-Id: I0a00009ce10f7aab3e6e79f7218307c3008422d1
Reviewed-on: https://go-review.googlesource.com/125655
Reviewed-by: Bryan C. Mills <bcmills@google.com>
This commit is contained in:
Russ Cox 2018-07-24 14:41:44 -04:00
parent 8fbbf63cc6
commit 011b6ff8d7
1 changed files with 14 additions and 4 deletions
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18
src/cmd/go/internal/help/helpdoc.go
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@ -501,10 +501,6 @@ General-purpose environment variables:
GOTMPDIR
The directory where the go command will write
temporary source files, packages, and binaries.
GOTOOLDIR
The directory where the go tools (compile, cover, doc, etc...)
are installed. This is printed by go env, but setting the
environment variable has no effect.
Environment variables for use with cgo:
@ -573,6 +569,20 @@ Special-purpose environment variables:
Defined by Git. A colon-separated list of schemes that are allowed to be used
with git fetch/clone. If set, any scheme not explicitly mentioned will be
considered insecure by 'go get'.
Additional information available from 'go env' but not read from the environment:
GOEXE
The executable file name suffix (".exe" on Windows, "" on other systems).
GOHOSTARCH
The architecture (GOARCH) of the Go toolchain binaries.
GOHOSTOS
The operating system (GOOS) of the Go toolchain binaries.
GOMOD
The absolute path to the go.mod of the main module,
or the empty string if not using modules.
GOTOOLDIR
The directory where the go tools (compile, cover, doc, etc...) are installed.
`,
}