update vendor/

vendor/github.com/otiai10/copy/.travis.yml

@@ -1,11 +0,0 @@
-language: go
-go:
-    - 1.9
-    - tip
-before_script:
-    - go get -t ./...
-script:
-    - go test ./... -v
-    - go test -race -coverprofile=coverage.txt -covermode=atomic
-after_success:
-    - bash <(curl -s https://codecov.io/bash)

vendor/github.com/otiai10/copy/README.md

@@ -1,6 +1,6 @@
 # copy
 
-[![Build Status](https://travis-ci.org/otiai10/copy.svg?branch=master)](https://travis-ci.org/otiai10/copy)
+[![Actions Status](https://github.com/otiai10/copy/workflows/Go/badge.svg)](https://github.com/otiai10/copy/actions)
 [![codecov](https://codecov.io/gh/otiai10/copy/branch/master/graph/badge.svg)](https://codecov.io/gh/otiai10/copy)
 [![GoDoc](https://godoc.org/github.com/otiai10/copy?status.svg)](https://godoc.org/github.com/otiai10/copy)
 [![Go Report Card](https://goreportcard.com/badge/github.com/otiai10/copy)](https://goreportcard.com/report/github.com/otiai10/copy)

vendor/github.com/otiai10/copy/copy.go

@@ -14,93 +14,177 @@ const (
 	tmpPermissionForDirectory = os.FileMode(0755)
 )
 
-// Copy copies src to dest, doesn't matter if src is a directory or a file
+// Copy copies src to dest, doesn't matter if src is a directory or a file.
-func Copy(src, dest string) error {
+func Copy(src, dest string, opt ...Options) error {
 	info, err := os.Lstat(src)
 	if err != nil {
 		return err
 	}
-	return copy(src, dest, info)
+	return switchboard(src, dest, info, assure(opt...))
 }
 
-// copy dispatches copy-funcs according to the mode.
+// switchboard switches proper copy functions regarding file type, etc...
+// If there would be anything else here, add a case to this switchboard.
+func switchboard(src, dest string, info os.FileInfo, opt Options) error {
+	switch {
+	case info.Mode()&os.ModeSymlink != 0:
+		return onsymlink(src, dest, opt)
+	case info.IsDir():
+		return dcopy(src, dest, info, opt)
+	default:
+		return fcopy(src, dest, info, opt)
+	}
+}
+
+// copy decide if this src should be copied or not.
 // Because this "copy" could be called recursively,
 // "info" MUST be given here, NOT nil.
-func copy(src, dest string, info os.FileInfo) error {
+func copy(src, dest string, info os.FileInfo, opt Options) error {
-	if info.Mode()&os.ModeSymlink != 0 {
+	skip, err := opt.Skip(src)
-		return lcopy(src, dest, info)
+	if err != nil {
+		return err
 	}
-	if info.IsDir() {
+	if skip {
-		return dcopy(src, dest, info)
+		return nil
 	}
-	return fcopy(src, dest, info)
+	return switchboard(src, dest, info, opt)
 }
 
 // fcopy is for just a file,
 // with considering existence of parent directory
 // and file permission.
-func fcopy(src, dest string, info os.FileInfo) error {
+func fcopy(src, dest string, info os.FileInfo, opt Options) (err error) {
 
-	if err := os.MkdirAll(filepath.Dir(dest), os.ModePerm); err != nil {
+	if err = os.MkdirAll(filepath.Dir(dest), os.ModePerm); err != nil {
-		return err
+		return
 	}
 
 	f, err := os.Create(dest)
 	if err != nil {
-		return err
+		return
 	}
-	defer f.Close()
+	defer fclose(f, &err)
 
-	if err = os.Chmod(f.Name(), info.Mode()); err != nil {
+	if err = os.Chmod(f.Name(), info.Mode()|opt.AddPermission); err != nil {
-		return err
+		return
 	}
 
 	s, err := os.Open(src)
 	if err != nil {
-		return err
+		return
 	}
-	defer s.Close()
+	defer fclose(s, &err)
 
-	_, err = io.Copy(f, s)
+	if _, err = io.Copy(f, s); err != nil {
-	return err
+		return
+	}
+
+	if opt.Sync {
+		err = f.Sync()
+	}
+
+	return
 }
 
 // dcopy is for a directory,
 // with scanning contents inside the directory
 // and pass everything to "copy" recursively.
-func dcopy(srcdir, destdir string, info os.FileInfo) error {
+func dcopy(srcdir, destdir string, info os.FileInfo, opt Options) (err error) {
 
 	originalMode := info.Mode()
 
 	// Make dest dir with 0755 so that everything writable.
-	if err := os.MkdirAll(destdir, tmpPermissionForDirectory); err != nil {
+	if err = os.MkdirAll(destdir, tmpPermissionForDirectory); err != nil {
-		return err
+		return
 	}
 	// Recover dir mode with original one.
-	defer os.Chmod(destdir, originalMode)
+	defer chmod(destdir, originalMode|opt.AddPermission, &err)
 
 	contents, err := ioutil.ReadDir(srcdir)
 	if err != nil {
-		return err
+		return
 	}
 
 	for _, content := range contents {
 		cs, cd := filepath.Join(srcdir, content.Name()), filepath.Join(destdir, content.Name())
-		if err := copy(cs, cd, content); err != nil {
+
+		if err = copy(cs, cd, content, opt); err != nil {
 			// If any error, exit immediately
-			return err
+			return
 		}
 	}
 
-	return nil
+	return
+}
+
+func onsymlink(src, dest string, opt Options) error {
+
+	switch opt.OnSymlink(src) {
+	case Shallow:
+		return lcopy(src, dest)
+	case Deep:
+		orig, err := filepath.EvalSymlinks(src)
+		if err != nil {
+			return err
+		}
+		info, err := os.Lstat(orig)
+		if err != nil {
+			return err
+		}
+		return copy(orig, dest, info, opt)
+	case Skip:
+		fallthrough
+	default:
+		return nil // do nothing
+	}
 }
 
 // lcopy is for a symlink,
 // with just creating a new symlink by replicating src symlink.
-func lcopy(src, dest string, info os.FileInfo) error {
+func lcopy(src, dest string) error {
 	src, err := os.Readlink(src)
 	if err != nil {
 		return err
 	}
+
+	// Create the directories on the path to the dest symlink.
+	if err = os.MkdirAll(filepath.Dir(dest), os.ModePerm); err != nil {
+		return err
+	}
+
 	return os.Symlink(src, dest)
 }
+
+// fclose ANYHOW closes file,
+// with asiging error raised during Close,
+// BUT respecting the error already reported.
+func fclose(f *os.File, reported *error) {
+	if err := f.Close(); *reported == nil {
+		*reported = err
+	}
+}
+
+// chmod ANYHOW changes file mode,
+// with asiging error raised during Chmod,
+// BUT respecting the error already reported.
+func chmod(dir string, mode os.FileMode, reported *error) {
+	if err := os.Chmod(dir, mode); *reported == nil {
+		*reported = err
+	}
+}
+
+// assure Options struct, should be called only once.
+// All optional values MUST NOT BE nil/zero after assured.
+func assure(opts ...Options) Options {
+	if len(opts) == 0 {
+		return getDefaultOptions()
+	}
+	defopt := getDefaultOptions()
+	if opts[0].OnSymlink == nil {
+		opts[0].OnSymlink = defopt.OnSymlink
+	}
+	if opts[0].Skip == nil {
+		opts[0].Skip = defopt.Skip
+	}
+	return opts[0]
+}

vendor/github.com/otiai10/copy/go.mod

@@ -2,4 +2,4 @@ module github.com/otiai10/copy
 
 go 1.12
 
-require github.com/otiai10/mint v1.3.0
+require github.com/otiai10/mint v1.3.1

vendor/github.com/otiai10/copy/go.sum

@@ -1,3 +1,5 @@
 github.com/otiai10/curr v0.0.0-20150429015615-9b4961190c95/go.mod h1:9qAhocn7zKJG+0mI8eUu6xqkFDYS2kb2saOteoSB3cE=
-github.com/otiai10/mint v1.3.0 h1:Ady6MKVezQwHBkGzLFbrsywyp09Ah7rkmfjV3Bcr5uc=
+github.com/otiai10/curr v1.0.0/go.mod h1:LskTG5wDwr8Rs+nNQ+1LlxRjAtTZZjtJW4rMXl6j4vs=
 github.com/otiai10/mint v1.3.0/go.mod h1:F5AjcsTsWUqX+Na9fpHb52P8pcRX2CI6A3ctIT91xUo=
+github.com/otiai10/mint v1.3.1 h1:BCmzIS3n71sGfHB5NMNDB3lHYPz8fWSkCAErHed//qc=
+github.com/otiai10/mint v1.3.1/go.mod h1:/yxELlJQ0ufhjUwhshSj+wFjZ78CnZ48/1wtmBH1OTc=

vendor/github.com/otiai10/copy/options.go

@@ -0,0 +1,46 @@
+package copy
+
+import "os"
+
+// Options specifies optional actions on copying.
+type Options struct {
+	// OnSymlink can specify what to do on symlink
+	OnSymlink func(src string) SymlinkAction
+	// Skip can specify which files should be skipped
+	Skip func(src string) (bool, error)
+	// AddPermission to every entities,
+	// NO MORE THAN 0777
+	AddPermission os.FileMode
+	// Sync file after copy.
+	// Useful in case when file must be on the disk
+	// (in case crash happens, for example),
+	// at the expense of some performance penalty
+	Sync bool
+}
+
+// SymlinkAction represents what to do on symlink.
+type SymlinkAction int
+
+const (
+	// Deep creates hard-copy of contents.
+	Deep SymlinkAction = iota
+	// Shallow creates new symlink to the dest of symlink.
+	Shallow
+	// Skip does nothing with symlink.
+	Skip
+)
+
+// getDefaultOptions provides default options,
+// which would be modified by usage-side.
+func getDefaultOptions() Options {
+	return Options{
+		OnSymlink: func(string) SymlinkAction {
+			return Shallow // Do shallow copy
+		},
+		Skip: func(string) (bool, error) {
+			return false, nil // Don't skip
+		},
+		AddPermission: 0,     // Add nothing
+		Sync:          false, // Do not sync
+	}
+}

vendor/modules.txt

@@ -274,7 +274,7 @@ github.com/opencontainers/runc/libcontainer/system
 github.com/opencontainers/runc/libcontainer/user
 # github.com/opencontainers/runtime-spec v1.0.1
 github.com/opencontainers/runtime-spec/specs-go
-# github.com/otiai10/copy v1.0.2
+# github.com/otiai10/copy v1.2.1-0.20200916181228-26f84a0b1578
 github.com/otiai10/copy
 # github.com/pelletier/go-toml v1.6.0
 github.com/pelletier/go-toml