diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/os/dir.go | 18 | ||||
| -rw-r--r-- | src/os/example_test.go | 2 | ||||
| -rw-r--r-- | src/os/file.go | 8 |
3 files changed, 15 insertions, 13 deletions
diff --git a/src/os/dir.go b/src/os/dir.go index 471a291345..dab75b5d43 100644 --- a/src/os/dir.go +++ b/src/os/dir.go @@ -132,15 +132,17 @@ func ReadDir(name string) ([]DirEntry, error) { // CopyFS copies the file system fsys into the directory dir, // creating dir if necessary. // -// Newly created directories and files have their default modes -// where any bits from the file in fsys that are not part of the -// standard read, write, and execute permissions will be zeroed -// out, and standard read and write permissions are set for owner, -// group, and others while retaining any existing execute bits from -// the file in fsys. +// Files are created with mode 0o666 plus any execute permissions +// from the source, and directories are created with mode 0o777 +// (before umask). // -// Symbolic links in fsys are not supported, a *PathError with Err set -// to ErrInvalid is returned on symlink. +// CopyFS will not overwrite existing files, and returns an error +// if a file name in fsys already exists in the destination. +// +// Symbolic links in fsys are not supported. A *PathError with Err set +// to ErrInvalid is returned when copying from a symbolic link. +// +// Symbolic links in dir are followed. // // Copying stops at and returns the first error encountered. func CopyFS(dir string, fsys fs.FS) error { diff --git a/src/os/example_test.go b/src/os/example_test.go index 7437a74cd0..c507d46c46 100644 --- a/src/os/example_test.go +++ b/src/os/example_test.go @@ -61,7 +61,7 @@ func ExampleFileMode() { log.Fatal(err) } - fmt.Printf("permissions: %#o\n", fi.Mode().Perm()) // 0400, 0777, etc. + fmt.Printf("permissions: %#o\n", fi.Mode().Perm()) // 0o400, 0o777, etc. switch mode := fi.Mode(); { case mode.IsRegular(): fmt.Println("regular file") diff --git a/src/os/file.go b/src/os/file.go index b2fb328e13..541b432081 100644 --- a/src/os/file.go +++ b/src/os/file.go @@ -366,7 +366,7 @@ func Open(name string) (*File, error) { } // Create creates or truncates the named file. If the file already exists, -// it is truncated. If the file does not exist, it is created with mode 0666 +// it is truncated. If the file does not exist, it is created with mode 0o666 // (before umask). If successful, methods on the returned File can // be used for I/O; the associated file descriptor has mode O_RDWR. // If there is an error, it will be of type *PathError. @@ -606,11 +606,11 @@ func UserHomeDir() (string, error) { // On Unix, the mode's permission bits, ModeSetuid, ModeSetgid, and // ModeSticky are used. // -// On Windows, only the 0200 bit (owner writable) of mode is used; it +// On Windows, only the 0o200 bit (owner writable) of mode is used; it // controls whether the file's read-only attribute is set or cleared. // The other bits are currently unused. For compatibility with Go 1.12 -// and earlier, use a non-zero mode. Use mode 0400 for a read-only -// file and 0600 for a readable+writable file. +// and earlier, use a non-zero mode. Use mode 0o400 for a read-only +// file and 0o600 for a readable+writable file. // // On Plan 9, the mode's permission bits, ModeAppend, ModeExclusive, // and ModeTemporary are used. |