Files
vaultik/internal/snapshot/module.go
T
clawbot 54ad279dd6
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Count a file as deleted only if the previous snapshot of its name had it (closes #304)
A backup counted as deleted every file in the local index under the
source path that the walk did not find: files the snapshot excludes
but another snapshot backs up, and files removed long ago, which every
later backup, and the first backup of another name over the same
path, reported as deleted again.

The backup now counts only files that the latest completed snapshot of
the same name lists, the walk did not find, and are gone from disk,
including a file whose directory became a regular file. Excluded files
and files the walk could not reach under --skip-errors are not
counted.

Only the backup's output changes; the snapshots row stores no deleted
figure.

Model: opus-5-5
2026-10-14 04:24:30 +02:00

65 lines
2.0 KiB
Go

package snapshot
import (
"github.com/spf13/afero"
"go.uber.org/fx"
"sneak.berlin/go/vaultik/internal/config"
"sneak.berlin/go/vaultik/internal/database"
"sneak.berlin/go/vaultik/internal/storage"
"sneak.berlin/go/vaultik/internal/ui"
)
// ScannerParams holds parameters for scanner creation
type ScannerParams struct {
EnableProgress bool
UI *ui.Writer // Where user-facing scanner messages go; nil = discard
Fs afero.Fs
Exclude []string // Exclude patterns (combined global + snapshot-specific)
SkipErrors bool // Skip file read errors (log loudly but continue)
// PreviousSnapshotID is the most recent completed snapshot of the
// same name, "" for none.
PreviousSnapshotID string
}
// Module exports backup functionality as an fx module.
// It provides a ScannerFactory that can create Scanner instances
// with custom parameters while sharing common dependencies.
//
//nolint:gochecknoglobals // fx module definitions are conventionally globals
var Module = fx.Module("backup",
fx.Provide(
provideScannerFactory,
NewSnapshotManager,
),
)
// ScannerFactory creates scanners with custom parameters
type ScannerFactory func(params ScannerParams) *Scanner
func provideScannerFactory(
cfg *config.Config, repos *database.Repositories, storer storage.Storer,
) ScannerFactory {
return func(params ScannerParams) *Scanner {
// Use provided excludes, or fall back to global config excludes
excludes := params.Exclude
if len(excludes) == 0 {
excludes = cfg.Exclude
}
return NewScanner(ScannerConfig{
FS: params.Fs,
ChunkSize: cfg.ChunkSize.Int64(),
Repositories: repos,
Storage: storer,
MaxBlobSize: cfg.BlobSizeLimit.Int64(),
CompressionLevel: cfg.CompressionLevel,
AgeRecipients: cfg.AgeRecipients,
EnableProgress: params.EnableProgress,
UI: params.UI,
Exclude: excludes,
SkipErrors: params.SkipErrors,
PreviousSnapshotID: params.PreviousSnapshotID,
})
}
}