| commit | 982626487c60a5252e7d0b695ca23fb0fa2fd670 | [log] [tgz] |
|---|---|---|
| author | Máximo Cuadros <mcuadros@gmail.com> | Wed Sep 19 10:02:40 2018 |
| committer | GitHub <noreply@github.com> | Wed Sep 19 10:02:40 2018 |
| tree | be38229cbf1d0696b13c33ca32faf397554a20a9 | |
| parent | 59952543636f55de3f860b477b615093d5c2c3e4 [diff] | |
| parent | e7da41f9344c197712da3010e456e2cf26f36308 [diff] |
Merge pull request #62 from kuba--/enhancement-tempdir Add TempDir
The missing interface filesystem abstraction for Go. Billy implements an interface based on the os standard library, allowing to develop applications without dependency on the underlying storage. Makes it virtually free to implement mocks and testing over filesystem operations.
Billy was born as part of src-d/go-git project.
go get -u gopkg.in/src-d/go-billy.v4/...
Billy exposes filesystems using the Filesystem interface. Each filesystem implementation gives you a New method, whose arguments depend on the implementation itself, that returns a new Filesystem.
The following example caches in memory all readable files in a directory from any billy's filesystem implementation.
func LoadToMemory(origin billy.Filesystem, path string) (*memory.Memory, error) {
memory := memory.New()
files, err := origin.ReadDir("/")
if err != nil {
return nil, err
}
for _, file := range files {
if file.IsDir() {
continue
}
src, err := origin.Open(file.Name())
if err != nil {
return nil, err
}
dst, err := memory.Create(file.Name())
if err != nil {
return nil, err
}
if _, err = io.Copy(dst, src); err != nil {
return nil, err
}
if err := dst.Close(); err != nil {
return nil, err
}
if err := src.Close(); err != nil {
return nil, err
}
}
return memory, nil
}
The library billy deals with storage systems and Billy is the name of a well-known, IKEA bookcase. That's it.
Apache License Version 2.0, see LICENSE