forked from TrueCloudLab/restic
80ed863aab
The temp files used by the packer manager are either delete after creation (unix) or marked as delete on close (windows). Thus, no explicit cleanup is necessary.
133 lines
4.4 KiB
Go
133 lines
4.4 KiB
Go
package fs
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import (
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"fmt"
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"os"
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"time"
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)
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// Mkdir creates a new directory with the specified name and permission bits.
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// If there is an error, it will be of type *PathError.
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func Mkdir(name string, perm os.FileMode) error {
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return os.Mkdir(fixpath(name), perm)
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}
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// MkdirAll creates a directory named path, along with any necessary parents,
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// and returns nil, or else returns an error. The permission bits perm are used
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// for all directories that MkdirAll creates. If path is already a directory,
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// MkdirAll does nothing and returns nil.
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func MkdirAll(path string, perm os.FileMode) error {
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return os.MkdirAll(fixpath(path), perm)
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}
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// Readlink returns the destination of the named symbolic link.
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// If there is an error, it will be of type *PathError.
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func Readlink(name string) (string, error) {
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return os.Readlink(fixpath(name))
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}
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// Remove removes the named file or directory.
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// If there is an error, it will be of type *PathError.
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func Remove(name string) error {
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return os.Remove(fixpath(name))
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}
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// RemoveAll removes path and any children it contains.
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// It removes everything it can but returns the first error
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// it encounters. If the path does not exist, RemoveAll
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// returns nil (no error).
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func RemoveAll(path string) error {
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return os.RemoveAll(fixpath(path))
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}
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// Rename renames (moves) oldpath to newpath.
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// If newpath already exists, Rename replaces it.
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// OS-specific restrictions may apply when oldpath and newpath are in different directories.
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// If there is an error, it will be of type *LinkError.
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func Rename(oldpath, newpath string) error {
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return os.Rename(fixpath(oldpath), fixpath(newpath))
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}
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// Symlink creates newname as a symbolic link to oldname.
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// If there is an error, it will be of type *LinkError.
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func Symlink(oldname, newname string) error {
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return os.Symlink(oldname, fixpath(newname))
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}
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// Link creates newname as a hard link to oldname.
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// If there is an error, it will be of type *LinkError.
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func Link(oldname, newname string) error {
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return os.Link(fixpath(oldname), fixpath(newname))
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}
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// Stat returns a FileInfo structure describing the named file.
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// If there is an error, it will be of type *PathError.
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func Stat(name string) (os.FileInfo, error) {
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return os.Stat(fixpath(name))
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}
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// Lstat returns the FileInfo structure describing the named file.
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// If the file is a symbolic link, the returned FileInfo
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// describes the symbolic link. Lstat makes no attempt to follow the link.
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// If there is an error, it will be of type *PathError.
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func Lstat(name string) (os.FileInfo, error) {
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return os.Lstat(fixpath(name))
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}
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// Open opens a file for reading.
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func Open(name string) (File, error) {
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return os.Open(fixpath(name))
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}
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// OpenFile is the generalized open call; most users will use Open
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// or Create instead. It opens the named file with specified flag
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// (O_RDONLY etc.) and perm, (0666 etc.) if applicable. If successful,
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// methods on the returned File can be used for I/O.
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// If there is an error, it will be of type *PathError.
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func OpenFile(name string, flag int, perm os.FileMode) (*os.File, error) {
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return os.OpenFile(fixpath(name), flag, perm)
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}
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// Chtimes changes the access and modification times of the named file,
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// similar to the Unix utime() or utimes() functions.
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//
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// The underlying filesystem may truncate or round the values to a less
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// precise time unit. If there is an error, it will be of type *PathError.
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func Chtimes(name string, atime time.Time, mtime time.Time) error {
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return os.Chtimes(fixpath(name), atime, mtime)
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}
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// IsAccessDenied checks if the error is due to permission error.
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func IsAccessDenied(err error) bool {
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return os.IsPermission(err)
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}
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// ResetPermissions resets the permissions of the file at the specified path
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func ResetPermissions(path string) error {
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// Set the default file permissions
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if err := os.Chmod(fixpath(path), 0600); err != nil {
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return err
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}
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return nil
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}
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// Readdirnames returns a list of file in a directory. Flags are passed to fs.OpenFile. O_RDONLY is implied.
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func Readdirnames(filesystem FS, dir string, flags int) ([]string, error) {
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f, err := filesystem.OpenFile(dir, O_RDONLY|flags, 0)
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if err != nil {
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return nil, fmt.Errorf("openfile for readdirnames failed: %w", err)
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}
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entries, err := f.Readdirnames(-1)
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if err != nil {
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_ = f.Close()
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return nil, fmt.Errorf("readdirnames %v failed: %w", dir, err)
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}
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err = f.Close()
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if err != nil {
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return nil, err
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}
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return entries, nil
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}
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