diff options
Diffstat (limited to 'vendor/github.com/go-git/go-billy/v5/osfs/os.go')
-rw-r--r-- | vendor/github.com/go-git/go-billy/v5/osfs/os.go | 139 |
1 files changed, 139 insertions, 0 deletions
diff --git a/vendor/github.com/go-git/go-billy/v5/osfs/os.go b/vendor/github.com/go-git/go-billy/v5/osfs/os.go new file mode 100644 index 000000000..880389fff --- /dev/null +++ b/vendor/github.com/go-git/go-billy/v5/osfs/os.go @@ -0,0 +1,139 @@ +// Package osfs provides a billy filesystem for the OS. +package osfs // import "github.com/go-git/go-billy/v5/osfs" + +import ( + "io/ioutil" + "os" + "path/filepath" + "sync" + + "github.com/go-git/go-billy/v5" + "github.com/go-git/go-billy/v5/helper/chroot" +) + +const ( + defaultDirectoryMode = 0755 + defaultCreateMode = 0666 +) + +// OS is a filesystem based on the os filesystem. +type OS struct{} + +// New returns a new OS filesystem. +func New(baseDir string) billy.Filesystem { + return chroot.New(&OS{}, baseDir) +} + +func (fs *OS) Create(filename string) (billy.File, error) { + return fs.OpenFile(filename, os.O_RDWR|os.O_CREATE|os.O_TRUNC, defaultCreateMode) +} + +func (fs *OS) OpenFile(filename string, flag int, perm os.FileMode) (billy.File, error) { + if flag&os.O_CREATE != 0 { + if err := fs.createDir(filename); err != nil { + return nil, err + } + } + + f, err := os.OpenFile(filename, flag, perm) + if err != nil { + return nil, err + } + return &file{File: f}, err +} + +func (fs *OS) createDir(fullpath string) error { + dir := filepath.Dir(fullpath) + if dir != "." { + if err := os.MkdirAll(dir, defaultDirectoryMode); err != nil { + return err + } + } + + return nil +} + +func (fs *OS) ReadDir(path string) ([]os.FileInfo, error) { + l, err := ioutil.ReadDir(path) + if err != nil { + return nil, err + } + + var s = make([]os.FileInfo, len(l)) + for i, f := range l { + s[i] = f + } + + return s, nil +} + +func (fs *OS) Rename(from, to string) error { + if err := fs.createDir(to); err != nil { + return err + } + + return rename(from, to) +} + +func (fs *OS) MkdirAll(path string, perm os.FileMode) error { + return os.MkdirAll(path, defaultDirectoryMode) +} + +func (fs *OS) Open(filename string) (billy.File, error) { + return fs.OpenFile(filename, os.O_RDONLY, 0) +} + +func (fs *OS) Stat(filename string) (os.FileInfo, error) { + return os.Stat(filename) +} + +func (fs *OS) Remove(filename string) error { + return os.Remove(filename) +} + +func (fs *OS) TempFile(dir, prefix string) (billy.File, error) { + if err := fs.createDir(dir + string(os.PathSeparator)); err != nil { + return nil, err + } + + f, err := ioutil.TempFile(dir, prefix) + if err != nil { + return nil, err + } + return &file{File: f}, nil +} + +func (fs *OS) Join(elem ...string) string { + return filepath.Join(elem...) +} + +func (fs *OS) RemoveAll(path string) error { + return os.RemoveAll(filepath.Clean(path)) +} + +func (fs *OS) Lstat(filename string) (os.FileInfo, error) { + return os.Lstat(filepath.Clean(filename)) +} + +func (fs *OS) Symlink(target, link string) error { + if err := fs.createDir(link); err != nil { + return err + } + + return os.Symlink(target, link) +} + +func (fs *OS) Readlink(link string) (string, error) { + return os.Readlink(link) +} + +// Capabilities implements the Capable interface. +func (fs *OS) Capabilities() billy.Capability { + return billy.DefaultCapabilities +} + +// file is a wrapper for an os.File which adds support for file locking. +type file struct { + *os.File + m sync.Mutex +} |