cmd/internal/str: move package from cmd/go/internal/str

This will let cmd/cgo and cmd/link use this package for argument parsing.

For golang/go#41400

Change-Id: I12ee21151bf3f00f3e8d427faaaab2453c823117
Reviewed-on: https://go-review.googlesource.com/c/go/+/334730
Trust: Jay Conrod <jayconrod@google.com>
Reviewed-by: Michael Matloob <matloob@golang.org>
Reviewed-on: https://go-review.googlesource.com/c/go/+/341934
Run-TryBot: Jay Conrod <jayconrod@google.com>
Reviewed-by: Bryan C. Mills <bcmills@google.com>

src/cmd/go/internal/base/base.go

@@ -17,7 +17,7 @@ import (
 	"sync"
 
 	"cmd/go/internal/cfg"
-	"cmd/go/internal/str"
+	"cmd/internal/str"
 )
 
 // A Command is an implementation of a go command

src/cmd/go/internal/base/flag.go

@@ -9,7 +9,7 @@ import (
 
 	"cmd/go/internal/cfg"
 	"cmd/go/internal/fsys"
-	"cmd/go/internal/str"
+	"cmd/internal/str"
 )
 
 // A StringsFlag is a command-line flag that interprets its argument

src/cmd/go/internal/fix/fix.go

@@ -10,7 +10,7 @@ import (
 	"cmd/go/internal/cfg"
 	"cmd/go/internal/load"
 	"cmd/go/internal/modload"
-	"cmd/go/internal/str"
+	"cmd/internal/str"
 	"context"
 	"fmt"
 	"os"

src/cmd/go/internal/fmtcmd/fmt.go

@@ -18,7 +18,7 @@ import (
 	"cmd/go/internal/cfg"
 	"cmd/go/internal/load"
 	"cmd/go/internal/modload"
-	"cmd/go/internal/str"
+	"cmd/internal/str"
 )
 
 func init() {

src/cmd/go/internal/generate/generate.go

@@ -25,8 +25,8 @@ import (
 	"cmd/go/internal/cfg"
 	"cmd/go/internal/load"
 	"cmd/go/internal/modload"
-	"cmd/go/internal/str"
 	"cmd/go/internal/work"
+	"cmd/internal/str"
 )
 
 var CmdGenerate = &base.Command{

src/cmd/go/internal/get/get.go

@@ -17,10 +17,10 @@ import (
 	"cmd/go/internal/cfg"
 	"cmd/go/internal/load"
 	"cmd/go/internal/search"
-	"cmd/go/internal/str"
 	"cmd/go/internal/vcs"
 	"cmd/go/internal/web"
 	"cmd/go/internal/work"
+	"cmd/internal/str"
 
 	"golang.org/x/mod/module"
 )

src/cmd/go/internal/list/list.go

@@ -23,8 +23,8 @@ import (
 	"cmd/go/internal/load"
 	"cmd/go/internal/modinfo"
 	"cmd/go/internal/modload"
-	"cmd/go/internal/str"
 	"cmd/go/internal/work"
+	"cmd/internal/str"
 )
 
 var CmdList = &base.Command{

src/cmd/go/internal/load/flag.go

@@ -6,7 +6,7 @@ package load
 
 import (
 	"cmd/go/internal/base"
-	"cmd/go/internal/str"
+	"cmd/internal/str"
 	"fmt"
 	"strings"
 )

src/cmd/go/internal/load/pkg.go

@@ -36,8 +36,8 @@ import (
 	"cmd/go/internal/modload"
 	"cmd/go/internal/par"
 	"cmd/go/internal/search"
-	"cmd/go/internal/str"
 	"cmd/go/internal/trace"
+	"cmd/internal/str"
 	"cmd/internal/sys"
 
 	"golang.org/x/mod/modfile"

src/cmd/go/internal/load/test.go

@@ -22,8 +22,8 @@ import (
 	"unicode/utf8"
 
 	"cmd/go/internal/fsys"
-	"cmd/go/internal/str"
 	"cmd/go/internal/trace"
+	"cmd/internal/str"
 )
 
 var TestMainDeps = []string{

src/cmd/go/internal/modcmd/vendor.go

@@ -24,7 +24,7 @@ import (
 	"cmd/go/internal/imports"
 	"cmd/go/internal/load"
 	"cmd/go/internal/modload"
-	"cmd/go/internal/str"
+	"cmd/internal/str"
 
 	"golang.org/x/mod/module"
 	"golang.org/x/mod/semver"

src/cmd/go/internal/modfetch/codehost/codehost.go

@@ -21,7 +21,7 @@ import (
 
 	"cmd/go/internal/cfg"
 	"cmd/go/internal/lockedfile"
-	"cmd/go/internal/str"
+	"cmd/internal/str"
 )
 
 // Downloaded size limits.

src/cmd/go/internal/modfetch/codehost/vcs.go

@@ -20,7 +20,7 @@ import (
 
 	"cmd/go/internal/lockedfile"
 	"cmd/go/internal/par"
-	"cmd/go/internal/str"
+	"cmd/internal/str"
 )
 
 // A VCSError indicates an error using a version control system.

src/cmd/go/internal/modget/query.go

@@ -14,7 +14,7 @@ import (
 	"cmd/go/internal/base"
 	"cmd/go/internal/modload"
 	"cmd/go/internal/search"
-	"cmd/go/internal/str"
+	"cmd/internal/str"
 
 	"golang.org/x/mod/module"
 )

src/cmd/go/internal/modload/load.go

@@ -118,7 +118,7 @@ import (
 	"cmd/go/internal/mvs"
 	"cmd/go/internal/par"
 	"cmd/go/internal/search"
-	"cmd/go/internal/str"
+	"cmd/internal/str"
 
 	"golang.org/x/mod/module"
 	"golang.org/x/mod/semver"

src/cmd/go/internal/modload/query.go

@@ -21,8 +21,8 @@ import (
 	"cmd/go/internal/imports"
 	"cmd/go/internal/modfetch"
 	"cmd/go/internal/search"
-	"cmd/go/internal/str"
 	"cmd/go/internal/trace"
+	"cmd/internal/str"
 
 	"golang.org/x/mod/module"
 	"golang.org/x/mod/semver"

src/cmd/go/internal/run/run.go

@@ -18,8 +18,8 @@ import (
 	"cmd/go/internal/cfg"
 	"cmd/go/internal/load"
 	"cmd/go/internal/modload"
-	"cmd/go/internal/str"
 	"cmd/go/internal/work"
+	"cmd/internal/str"
 )
 
 var CmdRun = &base.Command{

src/cmd/go/internal/test/test.go

@@ -30,9 +30,9 @@ import (
 	"cmd/go/internal/load"
 	"cmd/go/internal/lockedfile"
 	"cmd/go/internal/search"
-	"cmd/go/internal/str"
 	"cmd/go/internal/trace"
 	"cmd/go/internal/work"
+	"cmd/internal/str"
 	"cmd/internal/test2json"
 )
 

src/cmd/go/internal/vcs/vcs.go

@@ -23,8 +23,8 @@ import (
 	"cmd/go/internal/base"
 	"cmd/go/internal/cfg"
 	"cmd/go/internal/search"
-	"cmd/go/internal/str"
 	"cmd/go/internal/web"
+	"cmd/internal/str"
 
 	"golang.org/x/mod/module"
 )

src/cmd/go/internal/work/buildid.go

@@ -15,8 +15,8 @@ import (
 	"cmd/go/internal/cache"
 	"cmd/go/internal/cfg"
 	"cmd/go/internal/fsys"
-	"cmd/go/internal/str"
 	"cmd/internal/buildid"
+	"cmd/internal/str"
 )
 
 // Build IDs

src/cmd/go/internal/work/exec.go

@@ -34,8 +34,8 @@ import (
 	"cmd/go/internal/fsys"
 	"cmd/go/internal/load"
 	"cmd/go/internal/modload"
-	"cmd/go/internal/str"
 	"cmd/go/internal/trace"
+	"cmd/internal/str"
 )
 
 // actionList returns the list of actions in the dag rooted at root

src/cmd/go/internal/work/gc.go

@@ -20,8 +20,8 @@ import (
 	"cmd/go/internal/cfg"
 	"cmd/go/internal/fsys"
 	"cmd/go/internal/load"
-	"cmd/go/internal/str"
 	"cmd/internal/objabi"
+	"cmd/internal/str"
 	"cmd/internal/sys"
 	"crypto/sha1"
 )

src/cmd/go/internal/work/gccgo.go

@@ -16,8 +16,8 @@ import (
 	"cmd/go/internal/cfg"
 	"cmd/go/internal/fsys"
 	"cmd/go/internal/load"
-	"cmd/go/internal/str"
 	"cmd/internal/pkgpath"
+	"cmd/internal/str"
 )
 
 // The Gccgo toolchain.