cmd/go: provide concise user message to use - go work use

Fixes #64007

Change-Id: Ia1de6b33b2a531545984351e4453aa5d97b16953
Reviewed-on: https://go-review.googlesource.com/c/go/+/589815
Reviewed-by: Michael Matloob <matloob@golang.org>
Auto-Submit: Michael Matloob <matloob@google.com>
Reviewed-by: Carlos Amedee <carlos@golang.org>
Reviewed-by: Michael Matloob <matloob@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>

src/cmd/go/internal/modload/init.go

@@ -1156,8 +1156,8 @@ func errWorkTooOld(gomod string, wf *modfile.WorkFile, goVers string) error {
 		// even when it doesn't list any version.
 		verb = "implicitly requires"
 	}
-	return fmt.Errorf("module %s listed in go.work file requires go >= %s, but go.work %s go %s; to update it:\n\tgo work use",
-		base.ShortPath(filepath.Dir(gomod)), goVers, verb, gover.FromGoWork(wf))
+	return fmt.Errorf("module %s listed in go.work file requires go >= %s, but go.work %s go %s; to download and use go %s:\n\tgo work use",
+		base.ShortPath(filepath.Dir(gomod)), goVers, verb, gover.FromGoWork(wf), goVers)
 }
 
 // CheckReservedModulePath checks whether the module path is a reserved module path

src/cmd/go/testdata/script/mod_goline_too_new.txt

@@ -8,7 +8,7 @@ stderr '^go: go.mod requires go >= 1.99999 \(running go 1\..+\)$'
 # go.mod referenced from go.work too new
 cp go.work.old go.work
 ! go build .
-stderr '^go: module . listed in go.work file requires go >= 1.99999, but go.work lists go 1.10; to update it:\n\tgo work use$'
+stderr '^go: module . listed in go.work file requires go >= 1.99999, but go.work lists go 1.10; to download and use go 1.99999:\n\tgo work use$'
 
 ! go work sync
 stderr '^go: cannot load module . listed in go.work file: go.mod requires go >= 1.99999 \(running go 1\..+\)$'

src/cmd/go/testdata/script/work_goline_order.txt

@@ -7,7 +7,7 @@ env TESTGO_VERSION=go1.21.1
 env TESTGO_VERSION_SWITCH=switch
 cp go.work go.work.orig
 ! go list
-stderr '^go: module . listed in go.work file requires go >= 1.21.2, but go.work lists go 1.21.1; to update it:\n\tgo work use$'
+stderr '^go: module . listed in go.work file requires go >= 1.21.2, but go.work lists go 1.21.1; to download and use go 1.21.2:\n\tgo work use$'
 go work use
 go list
 
@@ -16,7 +16,7 @@ env TESTGO_VERSION=go1.21.2
 env TESTGO_VERSION_SWITCH=switch
 cp go.work.orig go.work
 ! go list
-stderr '^go: module . listed in go.work file requires go >= 1.21.2, but go.work lists go 1.21.1; to update it:\n\tgo work use$'
+stderr '^go: module . listed in go.work file requires go >= 1.21.2, but go.work lists go 1.21.1; to download and use go 1.21.2:\n\tgo work use$'
 
 # go work use fixes the problem.
 go work use

src/cmd/go/testdata/script/work_implicit_go_requirement.txt

@@ -2,7 +2,7 @@
 # go directive in a go.work file so 1.18 is implicitly required.
 
 ! go list
-stderr 'go: module . listed in go.work file requires go >= 1.21, but go.work implicitly requires go 1.18; to update it:\s+go work use'
+stderr 'go: module . listed in go.work file requires go >= 1.21, but go.work implicitly requires go 1.18; to download and use go 1.21:\s+go work use'
 
 go work use
 go list