// Copyright 2021 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

// Issue 44956: writable static temp is not exported correctly.
// In the test below, package base is
//
//     X = &map{...}
//
// which compiles to
//
//     X = &stmp           // static
//     stmp = makemap(...) // in init function
//

		if _, err := os.Stat("/etc/alpine-release"); err == nil {
			globalSkip = func(t *testing.T) { t.Skip("skipping failing test on alpine - go.dev/issue/19938") }
			return m.Run()
		}
	}

	// We need a writable GOPATH in which to run the tests.
	// Construct one in a temporary directory.
	var err error
	GOPATH, err = os.MkdirTemp("", "carchive_test")
	if err != nil {
		log.Panic(err)
	}
	if testWork {

	base.Timer.AddEvent(int64(lines), "lines")

	unified(m, noders)
}

// trimFilename returns the "trimmed" filename of b, which is the
// absolute filename after applying -trimpath processing. This
// filename form is suitable for use in object files and export data.
//
// If b's filename has already been trimmed (i.e., because it was read
// in from an imported package's export data), then the filename is
// returned unchanged.

// license that can be found in the LICENSE file.

//go:build ignore

// Mkzip writes a zoneinfo.zip with the content of the current directory
// and its subdirectories, with no compression, suitable for package time.
//
// Usage:
//
//	go run ../../mkzip.go ../../zoneinfo.zip
//
// We use this program instead of 'zip -0 -r ../../zoneinfo.zip *' to get

					// be plain blocks, so check edge pb->pb.Preds instead of edge pb->b.
					// TODO: improve the prediction of the likely predecessor. The following
					// method is only suitable for the simplest cases. For complex cases,
					// the prediction may be inaccurate, but this does not affect the
					// correctness of the program.
					// According to the layout algorithm, the predecessor with the

	{name: "StringLen", argLength: 1, typ: "Int"},     // len(arg0)

	// Interfaces
	{name: "IMake", argLength: 2},                // arg0=itab, arg1=data
	{name: "ITab", argLength: 1, typ: "Uintptr"}, // arg0=interface, returns itable field
	{name: "IData", argLength: 1},                // arg0=interface, returns data field

	// Structs
	{name: "StructMake0"},                              // Returns struct with 0 fields.

		if err := os.Remove(path); err != nil {
			t.Fatal(err)
		}
	}
	if err != nil {
		t.Fatal(err)
	}

	// If we're replacing a symlink to a read-only file, make the new file
	// user-writable.
	perm := fi.Mode().Perm() | 0200

	if err := os.WriteFile(path, data, perm); err != nil {
		t.Fatal(err)
	}
	if err := os.Chtimes(path, nearlyNew, nearlyNew); err != nil {
		t.Fatal(err)
	}

	// This package transparently handles these types.
	TypeGNULongName = 'L'
	TypeGNULongLink = 'K'
)

// Keywords for PAX extended header records.
const (
	paxNone     = "" // Indicates that no PAX key is suitable
	paxPath     = "path"
	paxLinkpath = "linkpath"
	paxSize     = "size"
	paxUid      = "uid"
	paxGid      = "gid"
	paxUname    = "uname"
	paxGname    = "gname"
	paxMtime    = "mtime"

}

func (f *Func) String() string {
	var buf strings.Builder
	p := stringFuncPrinter{w: &buf, printDead: true}
	fprintFunc(p, f)
	return buf.String()
}

// rewriteHash returns a hash of f suitable for detecting rewrite cycles.
func (f *Func) rewriteHash() string {
	h := notsha256.New()
	p := stringFuncPrinter{w: h, printDead: false}
	fprintFunc(p, f)
	return fmt.Sprintf("%x", h.Sum(nil))
}

	if op != "tool" {
		flags = []string{"-gcflags", gcflags}
	}
	return run(t, filepath.Join(goroot, "bin", "go"), append(append([]string{op}, flags...), args...)...)
}

// escape converts a string to something suitable for a shell command line.
func escape(s string) string {
	s = strings.Replace(s, "\\", "\\\\", -1)
	s = strings.Replace(s, "'", "\\'", -1)
	// Conservative guess at characters that will force quoting