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feat(fileutils): IgnoreSymlink allows Fileutils to ignore symbolic links #1

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feat(fileutils): IgnoreSymlink allows Fileutils to ignore symbolic links #1

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15 changes: 10 additions & 5 deletions kernel/fileutils/fileutils.go
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Original file line number Diff line number Diff line change
Expand Up @@ -45,7 +45,8 @@ const (
)

type Fileutils interface {

// Default is false. If is set to true symbolic links are copied
IgnoreSymlink(ok bool)
/*
Copy copies a source file to a destination file. File contents are copied. File mode and permissions
(as described in http://golang.org/pkg/os/#FileMode) are copied.
Expand All @@ -63,7 +64,7 @@ type Fileutils interface {
/*
Tests the existence of a file or directory at a given path. Returns true if and only if the file or
directory exists.
*/
*/
Exists(path string) bool

/*
Expand All @@ -74,12 +75,16 @@ type Fileutils interface {
}

type futils struct {
ignoreSymlink bool
}

func New() Fileutils {
return &futils{}
}

func (f *futils) IgnoreSymlink(ok bool) {
f.ignoreSymlink = true
}
func (f *futils) Copy(destPath string, srcPath string) gerror.Gerror {
if glog.V(1) {
glog.Infof("Copy(%q, %q)", destPath, srcPath)
Expand All @@ -96,7 +101,7 @@ func (f *futils) doCopy(destPath string, srcPath string, topSrcPath string) gerr
return gerr
}

if srcMode&os.ModeSymlink == os.ModeSymlink {
if srcMode&os.ModeSymlink == os.ModeSymlink && f.ignoreSymlink == false {
return f.copySymlink(destPath, srcPath, topSrcPath)
} else if srcMode.IsDir() {
return f.copyDir(destPath, srcPath, topSrcPath)
Expand Down Expand Up @@ -132,7 +137,7 @@ func (f *futils) copyDir(destination string, source string, topSource string) ge
return nil
}

func getNames(dirPath string) (names [] string, gerr gerror.Gerror) {
func getNames(dirPath string) (names []string, gerr gerror.Gerror) {
src, err := os.Open(dirPath)
if err != nil {
return names, gerror.NewFromError(ErrOpeningSourceDir, err)
Expand Down Expand Up @@ -249,7 +254,7 @@ func (f *futils) copySymlink(destLinkPath string, srcLinkPath string, topSrcPath
return nil
}

func (f * futils) Exists(path string) bool {
func (f *futils) Exists(path string) bool {
if _, err := os.Stat(path); os.IsNotExist(err) {
return false
}
Expand Down