cmd/go: remove some unused parameters

Change-Id: I441b3045e76afc1c561914926c14efc8a116c8a7
Reviewed-on: https://go-review.googlesource.com/101195
Run-TryBot: Daniel Martí <mvdan@mvdan.cc>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>

Author: mvdan

src/cmd/go/internal/work/build_test.go

@@ -220,7 +220,7 @@ func TestRespectSetgidDir(t *testing.T) {
 	defer pkgfile.Close()
 
 	dirGIDFile := filepath.Join(setgiddir, "setgid")
-	if err := b.moveOrCopyFile(nil, dirGIDFile, pkgfile.Name(), 0666, true); err != nil {
+	if err := b.moveOrCopyFile(dirGIDFile, pkgfile.Name(), 0666, true); err != nil {
 		t.Fatalf("moveOrCopyFile: %v", err)
 	}
 

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

@@ -432,7 +432,7 @@ func (b *Builder) build(a *Action) (err error) {
 				// Not covering this file.
 				continue
 			}
-			if err := b.cover(a, coverFile, sourceFile, 0666, cover.Var); err != nil {
+			if err := b.cover(a, coverFile, sourceFile, cover.Var); err != nil {
 				return err
 			}
 			if i < len(gofiles) {
@@ -596,17 +596,17 @@ func (b *Builder) build(a *Action) (err error) {
 		switch {
 		case strings.HasSuffix(name, _goos_goarch):
 			targ := file[:len(name)-len(_goos_goarch)] + "_GOOS_GOARCH." + ext
-			if err := b.copyFile(a, objdir+targ, filepath.Join(a.Package.Dir, file), 0666, true); err != nil {
+			if err := b.copyFile(objdir+targ, filepath.Join(a.Package.Dir, file), 0666, true); err != nil {
 				return err
 			}
 		case strings.HasSuffix(name, _goarch):
 			targ := file[:len(name)-len(_goarch)] + "_GOARCH." + ext
-			if err := b.copyFile(a, objdir+targ, filepath.Join(a.Package.Dir, file), 0666, true); err != nil {
+			if err := b.copyFile(objdir+targ, filepath.Join(a.Package.Dir, file), 0666, true); err != nil {
 				return err
 			}
 		case strings.HasSuffix(name, _goos):
 			targ := file[:len(name)-len(_goos)] + "_GOOS." + ext
-			if err := b.copyFile(a, objdir+targ, filepath.Join(a.Package.Dir, file), 0666, true); err != nil {
+			if err := b.copyFile(objdir+targ, filepath.Join(a.Package.Dir, file), 0666, true); err != nil {
 				return err
 			}
 		}
@@ -954,7 +954,7 @@ func (b *Builder) getPkgConfigFlags(p *load.Package) (cflags, ldflags []string,
 			}
 		}
 		var out []byte
-		out, err = b.runOut(p.Dir, p.ImportPath, nil, b.PkgconfigCmd(), "--cflags", pcflags, "--", pkgs)
+		out, err = b.runOut(p.Dir, nil, b.PkgconfigCmd(), "--cflags", pcflags, "--", pkgs)
 		if err != nil {
 			b.showOutput(nil, p.Dir, b.PkgconfigCmd()+" --cflags "+strings.Join(pcflags, " ")+strings.Join(pkgs, " "), string(out))
 			b.Print(err.Error() + "\n")
@@ -966,7 +966,7 @@ func (b *Builder) getPkgConfigFlags(p *load.Package) (cflags, ldflags []string,
 				return nil, nil, err
 			}
 		}
-		out, err = b.runOut(p.Dir, p.ImportPath, nil, b.PkgconfigCmd(), "--libs", pcflags, "--", pkgs)
+		out, err = b.runOut(p.Dir, nil, b.PkgconfigCmd(), "--libs", pcflags, "--", pkgs)
 		if err != nil {
 			b.showOutput(nil, p.Dir, b.PkgconfigCmd()+" --libs "+strings.Join(pcflags, " ")+strings.Join(pkgs, " "), string(out))
 			b.Print(err.Error() + "\n")
@@ -1126,7 +1126,7 @@ func BuildInstallFunc(b *Builder, a *Action) (err error) {
 
 	defer b.cleanup(a1)
 
-	return b.moveOrCopyFile(a, a.Target, a1.built, perm, false)
+	return b.moveOrCopyFile(a.Target, a1.built, perm, false)
 }
 
 // cleanup removes a's object dir to keep the amount of
@@ -1143,7 +1143,7 @@ func (b *Builder) cleanup(a *Action) {
 }
 
 // moveOrCopyFile is like 'mv src dst' or 'cp src dst'.
-func (b *Builder) moveOrCopyFile(a *Action, dst, src string, perm os.FileMode, force bool) error {
+func (b *Builder) moveOrCopyFile(dst, src string, perm os.FileMode, force bool) error {
 	if cfg.BuildN {
 		b.Showcmd("", "mv %s %s", src, dst)
 		return nil
@@ -1154,23 +1154,23 @@ func (b *Builder) moveOrCopyFile(a *Action, dst, src string, perm os.FileMode, f
 
 	// If the source is in the build cache, we need to copy it.
 	if strings.HasPrefix(src, cache.DefaultDir()) {
-		return b.copyFile(a, dst, src, perm, force)
+		return b.copyFile(dst, src, perm, force)
 	}
 
 	// On Windows, always copy the file, so that we respect the NTFS
 	// permissions of the parent folder. https://golang.org/issue/22343.
 	// What matters here is not cfg.Goos (the system we are building
 	// for) but runtime.GOOS (the system we are building on).
 	if runtime.GOOS == "windows" {
-		return b.copyFile(a, dst, src, perm, force)
+		return b.copyFile(dst, src, perm, force)
 	}
 
 	// If the destination directory has the group sticky bit set,
 	// we have to copy the file to retain the correct permissions.
 	// https://golang.org/issue/18878
 	if fi, err := os.Stat(filepath.Dir(dst)); err == nil {
 		if fi.IsDir() && (fi.Mode()&os.ModeSetgid) != 0 {
-			return b.copyFile(a, dst, src, perm, force)
+			return b.copyFile(dst, src, perm, force)
 		}
 	}
 
@@ -1200,11 +1200,11 @@ func (b *Builder) moveOrCopyFile(a *Action, dst, src string, perm os.FileMode, f
 		}
 	}
 
-	return b.copyFile(a, dst, src, perm, force)
+	return b.copyFile(dst, src, perm, force)
 }
 
 // copyFile is like 'cp src dst'.
-func (b *Builder) copyFile(a *Action, dst, src string, perm os.FileMode, force bool) error {
+func (b *Builder) copyFile(dst, src string, perm os.FileMode, force bool) error {
 	if cfg.BuildN || cfg.BuildX {
 		b.Showcmd("", "cp %s %s", src, dst)
 		if cfg.BuildN {
@@ -1295,12 +1295,12 @@ func (b *Builder) installHeader(a *Action) error {
 		}
 	}
 
-	return b.moveOrCopyFile(a, a.Target, src, 0666, true)
+	return b.moveOrCopyFile(a.Target, src, 0666, true)
 }
 
 // cover runs, in effect,
 //	go tool cover -mode=b.coverMode -var="varName" -o dst.go src.go
-func (b *Builder) cover(a *Action, dst, src string, perm os.FileMode, varName string) error {
+func (b *Builder) cover(a *Action, dst, src string, varName string) error {
 	return b.run(a, a.Objdir, "cover "+a.Package.ImportPath, nil,
 		cfg.BuildToolexec,
 		base.Tool("cover"),
@@ -1447,7 +1447,7 @@ var cgoTypeSigRe = regexp.MustCompile(`\b_C2?(type|func|var|macro)_\B`)
 // If the command fails, run prints information about the failure
 // and returns a non-nil error.
 func (b *Builder) run(a *Action, dir string, desc string, env []string, cmdargs ...interface{}) error {
-	out, err := b.runOut(dir, desc, env, cmdargs...)
+	out, err := b.runOut(dir, env, cmdargs...)
 	if len(out) > 0 {
 		if desc == "" {
 			desc = b.fmtcmd(dir, "%s", strings.Join(str.StringList(cmdargs...), " "))
@@ -1479,7 +1479,7 @@ func (b *Builder) processOutput(out []byte) string {
 
 // runOut runs the command given by cmdline in the directory dir.
 // It returns the command output and any errors that occurred.
-func (b *Builder) runOut(dir string, desc string, env []string, cmdargs ...interface{}) ([]byte, error) {
+func (b *Builder) runOut(dir string, env []string, cmdargs ...interface{}) ([]byte, error) {
 	cmdline := str.StringList(cmdargs...)
 
 	for _, arg := range cmdline {
@@ -1691,7 +1691,7 @@ func (b *Builder) ccompile(a *Action, p *load.Package, outfile string, flags []s
 	if !filepath.IsAbs(outfile) {
 		outfile = filepath.Join(p.Dir, outfile)
 	}
-	output, err := b.runOut(filepath.Dir(file), desc, nil, compiler, flags, "-o", outfile, "-c", filepath.Base(file))
+	output, err := b.runOut(filepath.Dir(file), nil, compiler, flags, "-o", outfile, "-c", filepath.Base(file))
 	if len(output) > 0 {
 		// On FreeBSD 11, when we pass -g to clang 3.8 it
 		// invokes its internal assembler with -dwarf-version=2.
@@ -2215,7 +2215,7 @@ var (
 )
 
 func (b *Builder) swigDoVersionCheck() error {
-	out, err := b.runOut("", "", nil, "swig", "-version")
+	out, err := b.runOut("", nil, "swig", "-version")
 	if err != nil {
 		return err
 	}
@@ -2370,7 +2370,7 @@ func (b *Builder) swigOne(a *Action, p *load.Package, file, objdir string, pcCFL
 		args = append(args, "-c++")
 	}
 
-	out, err := b.runOut(p.Dir, p.ImportPath, nil, "swig", args, file)
+	out, err := b.runOut(p.Dir, nil, "swig", args, file)
 	if err != nil {
 		if len(out) > 0 {
 			if bytes.Contains(out, []byte("-intgosize")) || bytes.Contains(out, []byte("-cgo")) {

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

@@ -128,7 +128,7 @@ func (gcToolchain) gc(b *Builder, a *Action, archive string, importcfg []byte, a
 		args = append(args, mkAbs(p.Dir, f))
 	}
 
-	output, err = b.runOut(p.Dir, p.ImportPath, nil, args...)
+	output, err = b.runOut(p.Dir, nil, args...)
 	return ofile, output, err
 }
 
@@ -289,14 +289,14 @@ func (gcToolchain) pack(b *Builder, a *Action, afile string, ofiles []string) er
 	if cfg.BuildN {
 		return nil
 	}
-	if err := packInternal(b, absAfile, absOfiles); err != nil {
+	if err := packInternal(absAfile, absOfiles); err != nil {
 		b.showOutput(a, p.Dir, p.ImportPath, err.Error()+"\n")
 		return errPrintedOutput
 	}
 	return nil
 }
 
-func packInternal(b *Builder, afile string, ofiles []string) error {
+func packInternal(afile string, ofiles []string) error {
 	dst, err := os.OpenFile(afile, os.O_WRONLY|os.O_APPEND, 0)
 	if err != nil {
 		return err

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

@@ -85,7 +85,7 @@ func (tools gccgoToolchain) gc(b *Builder, a *Action, archive string, importcfg
 		args = append(args, mkAbs(p.Dir, f))
 	}
 
-	output, err = b.runOut(p.Dir, p.ImportPath, nil, args)
+	output, err = b.runOut(p.Dir, nil, args)
 	return ofile, output, err
 }
 
@@ -232,7 +232,7 @@ func (tools gccgoToolchain) link(b *Builder, root *Action, out, importcfg string
 	readAndRemoveCgoFlags := func(archive string) (string, error) {
 		newID++
 		newArchive := root.Objdir + fmt.Sprintf("_pkg%d_.a", newID)
-		if err := b.copyFile(root, newArchive, archive, 0666, false); err != nil {
+		if err := b.copyFile(newArchive, archive, 0666, false); err != nil {
 			return "", err
 		}
 		if cfg.BuildN || cfg.BuildX {