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authorSantiago M. Mola <santi@mola.io>2016-10-31 16:11:07 +0100
committerMáximo Cuadros <mcuadros@gmail.com>2016-10-31 15:11:07 +0000
commit5078f52a9f2217027b0f475d5a91e677b3228588 (patch)
treead42e162e131456052938d77977c1030281126b9 /utils/fs/os
parent659386309f36c482ddc0bb9e854ebda3da216491 (diff)
downloadgo-git-5078f52a9f2217027b0f475d5a91e677b3228588.tar.gz
utils/fs: add OpenFile method to filesystem interface. (#104)
* utils/fs: add OpenFile method to filesystem interface. * added OpenFile to fs.Filesystem interface. * added OpenFile implementation to 'os' filesystem. * bring back BaseFile. * utils/fs/os: do not use wildcard import. * utils/fs/os: implement Open and Create using OpenFile.
Diffstat (limited to 'utils/fs/os')
-rw-r--r--utils/fs/os/os.go68
1 files changed, 29 insertions, 39 deletions
diff --git a/utils/fs/os/os.go b/utils/fs/os/os.go
index 800bd41..02395d6 100644
--- a/utils/fs/os/os.go
+++ b/utils/fs/os/os.go
@@ -6,7 +6,7 @@ import (
"path"
"path/filepath"
- . "gopkg.in/src-d/go-git.v4/utils/fs"
+ "gopkg.in/src-d/go-git.v4/utils/fs"
)
// OS a filesystem base on the os filesystem
@@ -21,15 +21,24 @@ func NewOS(baseDir string) *OS {
}
}
-// Create creates a new GlusterFSFile
-func (fs *OS) Create(filename string) (File, error) {
+// Create creates a file and opens it with standard permissions
+// and modes O_RDWR, O_CREATE and O_TRUNC.
+func (fs *OS) Create(filename string) (fs.File, error) {
+ return fs.OpenFile(filename, os.O_RDWR|os.O_CREATE|os.O_TRUNC, 0666)
+}
+
+// OpenFile is equivalent to standard os.OpenFile.
+// If flag os.O_CREATE is set, all parent directories will be created.
+func (fs *OS) OpenFile(filename string, flag int, perm os.FileMode) (fs.File, error) {
fullpath := path.Join(fs.base, filename)
- if err := fs.createDir(fullpath); err != nil {
- return nil, err
+ if flag|os.O_CREATE != 0 {
+ if err := fs.createDir(fullpath); err != nil {
+ return nil, err
+ }
}
- f, err := os.Create(fullpath)
+ f, err := os.OpenFile(fullpath, flag, perm)
if err != nil {
return nil, err
}
@@ -55,15 +64,15 @@ func (fs *OS) createDir(fullpath string) error {
// ReadDir returns the filesystem info for all the archives under the specified
// path.
-func (fs *OS) ReadDir(path string) ([]FileInfo, error) {
- fullpath := fs.Join(fs.base, path)
+func (ofs *OS) ReadDir(path string) ([]fs.FileInfo, error) {
+ fullpath := ofs.Join(ofs.base, path)
l, err := ioutil.ReadDir(fullpath)
if err != nil {
return nil, err
}
- var s = make([]FileInfo, len(l))
+ var s = make([]fs.FileInfo, len(l))
for i, f := range l {
s[i] = f
}
@@ -82,20 +91,13 @@ func (fs *OS) Rename(from, to string) error {
return os.Rename(from, to)
}
-// Open opens the named file for reading. If successful, methods on the returned
-// file can be used for reading only.
-func (fs *OS) Open(filename string) (File, error) {
- fullpath := fs.Join(fs.base, filename)
- f, err := os.Open(fullpath)
- if err != nil {
- return nil, err
- }
-
- return newOSFile(filename, f), nil
+// Open opens a file in read-only mode.
+func (fs *OS) Open(filename string) (fs.File, error) {
+ return fs.OpenFile(filename, os.O_RDONLY, 0)
}
// Stat returns the FileInfo structure describing file.
-func (fs *OS) Stat(filename string) (FileInfo, error) {
+func (fs *OS) Stat(filename string) (fs.FileInfo, error) {
fullpath := fs.Join(fs.base, filename)
return os.Stat(fullpath)
}
@@ -105,7 +107,7 @@ func (fs *OS) Remove(filename string) error {
return os.Remove(fullpath)
}
-func (fs *OS) TempFile(dir, prefix string) (File, error) {
+func (fs *OS) TempFile(dir, prefix string) (fs.File, error) {
fullpath := fs.Join(fs.base, dir)
if err := fs.createDir(fullpath + string(os.PathSeparator)); err != nil {
return nil, err
@@ -136,7 +138,7 @@ func (fs *OS) Join(elem ...string) string {
// Dir returns a new Filesystem from the same type of fs using as baseDir the
// given path
-func (fs *OS) Dir(path string) Filesystem {
+func (fs *OS) Dir(path string) fs.Filesystem {
return NewOS(fs.Join(fs.base, path))
}
@@ -147,15 +149,13 @@ func (fs *OS) Base() string {
// osFile represents a file in the os filesystem
type osFile struct {
- filename string
- closed bool
- file *os.File
+ fs.BaseFile
+ file *os.File
}
-func newOSFile(filename string, file *os.File) File {
+func newOSFile(filename string, file *os.File) fs.File {
return &osFile{
- filename: filename,
- closed: false,
+ BaseFile: fs.BaseFile{BaseFilename: filename},
file: file,
}
}
@@ -173,7 +173,7 @@ func (f *osFile) Write(p []byte) (int, error) {
}
func (f *osFile) Close() error {
- f.closed = true
+ f.BaseFile.Closed = true
return f.file.Close()
}
@@ -181,13 +181,3 @@ func (f *osFile) Close() error {
func (f *osFile) ReadAt(p []byte, off int64) (n int, err error) {
return f.file.ReadAt(p, off)
}
-
-//Filename returns the filename from the File
-func (f *osFile) Filename() string {
- return f.filename
-}
-
-//IsClosed returns if te file is closed
-func (f *osFile) IsClosed() bool {
- return f.closed
-}