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snapshot create --prune purged the older snapshots holding a volume's files when the volume, mounted below a configured path, was not mounted: its empty mount point read as deleted files. The scan now records in the local index each directory at or below a configured path that is on a different device from its parent directory. Under --prune, when an earlier snapshot of that name recorded such a directory and this run does not find it on a different device, the run skips the prune, keeps every older snapshot, names the directory and exits non-zero, as for an empty configured path. For a volume retired, or a directory no longer backed up, on purpose, the older snapshots are removed with snapshot purge. Model: opus-5-5
71 lines
2.2 KiB
Go
71 lines
2.2 KiB
Go
package snapshot
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import (
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"os"
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"github.com/spf13/afero"
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"go.uber.org/fx"
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"sneak.berlin/go/vaultik/internal/config"
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"sneak.berlin/go/vaultik/internal/database"
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"sneak.berlin/go/vaultik/internal/storage"
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"sneak.berlin/go/vaultik/internal/ui"
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)
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// ScannerParams holds parameters for scanner creation
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type ScannerParams struct {
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EnableProgress bool
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UI *ui.Writer // Where user-facing scanner messages go; nil = discard
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Fs afero.Fs
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Exclude []string // Exclude patterns (combined global + snapshot-specific)
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SkipErrors bool // Skip file read errors (log loudly but continue)
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// PreviousSnapshotID is the most recent completed snapshot of the
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// same name, "" for none.
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PreviousSnapshotID string
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// DeviceNumber is ScannerConfig.DeviceNumber; nil reads it from the
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// file's stat.
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DeviceNumber func(info os.FileInfo) (uint64, bool)
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}
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// Module exports backup functionality as an fx module.
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// It provides a ScannerFactory that can create Scanner instances
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// with custom parameters while sharing common dependencies.
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//
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//nolint:gochecknoglobals // fx module definitions are conventionally globals
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var Module = fx.Module("backup",
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fx.Provide(
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provideScannerFactory,
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NewSnapshotManager,
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),
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)
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// ScannerFactory creates scanners with custom parameters
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type ScannerFactory func(params ScannerParams) *Scanner
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func provideScannerFactory(
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cfg *config.Config, repos *database.Repositories, storer storage.Storer,
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) ScannerFactory {
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return func(params ScannerParams) *Scanner {
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// Use provided excludes, or fall back to global config excludes
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excludes := params.Exclude
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if len(excludes) == 0 {
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excludes = cfg.Exclude
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}
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return NewScanner(ScannerConfig{
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FS: params.Fs,
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ChunkSize: cfg.ChunkSize.Int64(),
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Repositories: repos,
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Storage: storer,
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MaxBlobSize: cfg.BlobSizeLimit.Int64(),
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CompressionLevel: cfg.CompressionLevel,
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AgeRecipients: cfg.AgeRecipients,
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EnableProgress: params.EnableProgress,
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UI: params.UI,
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Exclude: excludes,
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SkipErrors: params.SkipErrors,
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PreviousSnapshotID: params.PreviousSnapshotID,
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DeviceNumber: params.DeviceNumber,
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})
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}
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}
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