restic/cmd/restic/lock.go
2024-04-22 22:27:19 +02:00

48 lines
1.4 KiB
Go

package main
import (
"context"
"github.com/restic/restic/internal/repository"
)
func internalOpenWithLocked(ctx context.Context, gopts GlobalOptions, dryRun bool, exclusive bool) (context.Context, *repository.Repository, func(), error) {
repo, err := OpenRepository(ctx, gopts)
if err != nil {
return nil, nil, nil, err
}
unlock := func() {}
if !dryRun {
var lock *repository.Unlocker
lock, ctx, err = repository.Lock(ctx, repo, exclusive, gopts.RetryLock, func(msg string) {
if !gopts.JSON {
Verbosef("%s", msg)
}
}, Warnf)
if err != nil {
return nil, nil, nil, err
}
unlock = lock.Unlock
} else {
repo.SetDryRun()
}
return ctx, repo, unlock, nil
}
func openWithReadLock(ctx context.Context, gopts GlobalOptions, noLock bool) (context.Context, *repository.Repository, func(), error) {
// TODO enfore read-only operations once the locking code has moved to the repository
return internalOpenWithLocked(ctx, gopts, noLock, false)
}
func openWithAppendLock(ctx context.Context, gopts GlobalOptions, dryRun bool) (context.Context, *repository.Repository, func(), error) {
// TODO enfore non-exclusive operations once the locking code has moved to the repository
return internalOpenWithLocked(ctx, gopts, dryRun, false)
}
func openWithExclusiveLock(ctx context.Context, gopts GlobalOptions, dryRun bool) (context.Context, *repository.Repository, func(), error) {
return internalOpenWithLocked(ctx, gopts, dryRun, true)
}