cmd/go: clarify behavior with no arguments in 'go help mod download'

'go mod download' is equivalent to 'go mod download all'. Fixes #38031 Change-Id: I7aec7e5a1370a3e248eba6daad9a75ec21f33a83 Reviewed-on: https://go-review.googlesource.com/c/go/+/225201 Run-TryBot: Jay Conrod <jayconrod@google.com> Reviewed-by: Daniel Martí <mvdan@mvdan.cc> Reviewed-by: Bryan C. Mills <bcmills@google.com> TryBot-Result: Gobot Gobot <gobot@golang.org>
golang · Mar 24, 2020 · f95ff37 · f95ff37
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commit f95ff37
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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/modcmd/download.go b/src/cmd/go/internal/modcmd/download.go
@@ -24,7 +24,8 @@ var cmdDownload = &base.Command{
 	Long: `
 Download downloads the named modules, which can be module patterns selecting
 dependencies of the main module or module queries of the form path@version.
-With no arguments, download applies to all dependencies of the main module.
+With no arguments, download applies to all dependencies of the main module
+(equivalent to 'go mod download all').
 
 The go command will automatically download modules as needed during ordinary
 execution. The "go mod download" command is useful mainly for pre-filling