TrueCloudLab/restic
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move Backend interface to backend package

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This commit is contained in:
Michael Eischer 2023-10-01 11:40:12 +02:00
parent ceb0774af1
commit 1b8a67fe76
105 changed files with 822 additions and 775 deletions
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31
internal/backend/local/local.go
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@ -16,7 +16,6 @@ import (
"github.com/restic/restic/internal/debug"
"github.com/restic/restic/internal/errors"
"github.com/restic/restic/internal/fs"
"github.com/restic/restic/internal/restic"
"github.com/cenkalti/backoff/v4"
)
@ -28,8 +27,8 @@ type Local struct {
util.Modes
}
// ensure statically that *Local implements restic.Backend.
var _ restic.Backend = &Local{}
// ensure statically that *Local implements backend.Backend.
var _ backend.Backend = &Local{}
func NewFactory() location.Factory {
return location.NewLimitedBackendFactory("local", ParseConfig, location.NoPassword, limiter.WrapBackendConstructor(Create), limiter.WrapBackendConstructor(Open))
@ -43,7 +42,7 @@ func open(ctx context.Context, cfg Config) (*Local, error) {
return nil, err
}
fi, err := fs.Stat(l.Filename(restic.Handle{Type: restic.ConfigFile}))
fi, err := fs.Stat(l.Filename(backend.Handle{Type: backend.ConfigFile}))
m := util.DeriveModesFromFileInfo(fi, err)
debug.Log("using (%03O file, %03O dir) permissions", m.File, m.Dir)
@ -71,7 +70,7 @@ func Create(ctx context.Context, cfg Config) (*Local, error) {
}
// test if config file already exists
_, err = fs.Lstat(be.Filename(restic.Handle{Type: restic.ConfigFile}))
_, err = fs.Lstat(be.Filename(backend.Handle{Type: backend.ConfigFile}))
if err == nil {
return nil, errors.New("config file already exists")
}
@ -112,7 +111,7 @@ func (b *Local) IsNotExist(err error) bool {
}
// Save stores data in the backend at the handle.
func (b *Local) Save(_ context.Context, h restic.Handle, rd restic.RewindReader) (err error) {
func (b *Local) Save(_ context.Context, h backend.Handle, rd backend.RewindReader) (err error) {
finalname := b.Filename(h)
dir := filepath.Dir(finalname)
@ -210,11 +209,11 @@ var tempFile = os.CreateTemp // Overridden by test.
// Load runs fn with a reader that yields the contents of the file at h at the
// given offset.
func (b *Local) Load(ctx context.Context, h restic.Handle, length int, offset int64, fn func(rd io.Reader) error) error {
func (b *Local) Load(ctx context.Context, h backend.Handle, length int, offset int64, fn func(rd io.Reader) error) error {
return util.DefaultLoad(ctx, h, length, offset, b.openReader, fn)
}
func (b *Local) openReader(_ context.Context, h restic.Handle, length int, offset int64) (io.ReadCloser, error) {
func (b *Local) openReader(_ context.Context, h backend.Handle, length int, offset int64) (io.ReadCloser, error) {
f, err := fs.Open(b.Filename(h))
if err != nil {
return nil, err
@ -236,17 +235,17 @@ func (b *Local) openReader(_ context.Context, h restic.Handle, length int, offse
}
// Stat returns information about a blob.
func (b *Local) Stat(_ context.Context, h restic.Handle) (restic.FileInfo, error) {
func (b *Local) Stat(_ context.Context, h backend.Handle) (backend.FileInfo, error) {
fi, err := fs.Stat(b.Filename(h))
if err != nil {
return restic.FileInfo{}, errors.WithStack(err)
return backend.FileInfo{}, errors.WithStack(err)
}
return restic.FileInfo{Size: fi.Size(), Name: h.Name}, nil
return backend.FileInfo{Size: fi.Size(), Name: h.Name}, nil
}
// Remove removes the blob with the given name and type.
func (b *Local) Remove(_ context.Context, h restic.Handle) error {
func (b *Local) Remove(_ context.Context, h backend.Handle) error {
fn := b.Filename(h)
// reset read-only flag
@ -260,7 +259,7 @@ func (b *Local) Remove(_ context.Context, h restic.Handle) error {
// List runs fn for each file in the backend which has the type t. When an
// error occurs (or fn returns an error), List stops and returns it.
func (b *Local) List(ctx context.Context, t restic.FileType, fn func(restic.FileInfo) error) (err error) {
func (b *Local) List(ctx context.Context, t backend.FileType, fn func(backend.FileInfo) error) (err error) {
basedir, subdirs := b.Basedir(t)
if subdirs {
err = visitDirs(ctx, basedir, fn)
@ -280,7 +279,7 @@ func (b *Local) List(ctx context.Context, t restic.FileType, fn func(restic.File
// two levels of directory structure (including dir itself as the first level).
// Also, visitDirs assumes it sees a directory full of directories, while
// visitFiles wants a directory full or regular files.
func visitDirs(ctx context.Context, dir string, fn func(restic.FileInfo) error) error {
func visitDirs(ctx context.Context, dir string, fn func(backend.FileInfo) error) error {
d, err := fs.Open(dir)
if err != nil {
return err
@ -307,7 +306,7 @@ func visitDirs(ctx context.Context, dir string, fn func(restic.FileInfo) error)
return ctx.Err()
}
func visitFiles(ctx context.Context, dir string, fn func(restic.FileInfo) error, ignoreNotADirectory bool) error {
func visitFiles(ctx context.Context, dir string, fn func(backend.FileInfo) error, ignoreNotADirectory bool) error {
d, err := fs.Open(dir)
if err != nil {
return err
@ -341,7 +340,7 @@ func visitFiles(ctx context.Context, dir string, fn func(restic.FileInfo) error,
default:
}
err := fn(restic.FileInfo{
err := fn(backend.FileInfo{
Name: fi.Name(),
Size: fi.Size(),
})