/
vfs.go
56 lines (50 loc) · 1.15 KB
/
vfs.go
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// Package vfs is deprecated and will be deleted once remaining code is migrated
// All new functionality should go in the virtual package.
package vfs
import (
"io/fs"
"os"
"path/filepath"
"time"
)
type Writable interface {
MkdirAll(path string, perm fs.FileMode) error
WriteFile(name string, data []byte, perm fs.FileMode) error
RemoveAll(path string) error
}
type ReadWritable interface {
fs.FS
Writable
}
// Now may be overridden for testing purposes
var Now = func() time.Time {
return time.Now()
}
// WriteAll the filesystem at "from" to "to"
func WriteAll(from, to string, fsys fs.FS) error {
return fs.WalkDir(fsys, from, func(path string, de fs.DirEntry, err error) error {
if err != nil {
return err
}
toPath := filepath.Join(to, path)
if de.IsDir() {
mode := de.Type()
if mode == fs.ModeDir {
mode = fs.FileMode(0755)
}
return os.MkdirAll(toPath, mode)
}
data, err := fs.ReadFile(fsys, path)
if err != nil {
return err
}
mode := de.Type()
if mode == 0 {
mode = fs.FileMode(0644)
}
return os.WriteFile(toPath, data, mode)
})
}
func Write(to string, fsys fs.FS) error {
return WriteAll(".", to, fsys)
}