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global: unify backend open and create

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This commit is contained in:
Michael Eischer 2024-04-19 22:26:14 +02:00
parent 55d56db31b
commit 6c6dceade3
1 changed files with 20 additions and 32 deletions
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52
cmd/restic/global.go
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@ -570,16 +570,13 @@ func parseConfig(loc location.Location, opts options.Options) (interface{}, erro
return cfg, nil
}
// Open the backend specified by a location config.
func open(ctx context.Context, s string, gopts GlobalOptions, opts options.Options) (backend.Backend, error) {
func innerOpen(ctx context.Context, s string, gopts GlobalOptions, opts options.Options, create bool) (backend.Backend, error) {
debug.Log("parsing location %v", location.StripPassword(gopts.backends, s))
loc, err := location.Parse(gopts.backends, s)
if err != nil {
return nil, errors.Fatalf("parsing repository location failed: %v", err)
}
var be backend.Backend
cfg, err := parseConfig(loc, opts)
if err != nil {
return nil, err
@ -599,7 +596,13 @@ func open(ctx context.Context, s string, gopts GlobalOptions, opts options.Optio
return nil, errors.Fatalf("invalid backend: %q", loc.Scheme)
}
be, err = factory.Open(ctx, cfg, rt, lim)
var be backend.Backend
if create {
be, err = factory.Create(ctx, cfg, rt, nil)
} else {
be, err = factory.Open(ctx, cfg, rt, lim)
}
if err != nil {
return nil, errors.Fatalf("unable to open repository at %v: %v", location.StripPassword(gopts.backends, s), err)
}
@ -615,6 +618,17 @@ func open(ctx context.Context, s string, gopts GlobalOptions, opts options.Optio
}
}
return be, nil
}
// Open the backend specified by a location config.
func open(ctx context.Context, s string, gopts GlobalOptions, opts options.Options) (backend.Backend, error) {
be, err := innerOpen(ctx, s, gopts, opts, false)
if err != nil {
return nil, err
}
// check if config is there
fi, err := be.Stat(ctx, backend.Handle{Type: restic.ConfigFile})
if err != nil {
@ -630,31 +644,5 @@ func open(ctx context.Context, s string, gopts GlobalOptions, opts options.Optio
// Create the backend specified by URI.
func create(ctx context.Context, s string, gopts GlobalOptions, opts options.Options) (backend.Backend, error) {
debug.Log("parsing location %v", location.StripPassword(gopts.backends, s))
loc, err := location.Parse(gopts.backends, s)
if err != nil {
return nil, err
}
cfg, err := parseConfig(loc, opts)
if err != nil {
return nil, err
}
rt, err := backend.Transport(globalOptions.TransportOptions)
if err != nil {
return nil, errors.Fatal(err.Error())
}
factory := gopts.backends.Lookup(loc.Scheme)
if factory == nil {
return nil, errors.Fatalf("invalid backend: %q", loc.Scheme)
}
be, err := factory.Create(ctx, cfg, rt, nil)
if err != nil {
return nil, err
}
return logger.New(sema.NewBackend(be)), nil
return innerOpen(ctx, s, gopts, opts, true)
}