clawbot
e2deea2e34
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Nothing goes in the 1.0 manifest that 1.0 does not read or write, and mfer never wrote either field. mf.proto now reserves the numbers 301 and 303 and both names in MFFilePath, and mf.pb.go is regenerated. The decoded-size check counts only file entries, hashes and timestamps, and counts a file entry, 16 bytes smaller without the two fields, at 160 bytes. export prints no ctime, and FileEntry loses the Ctime nothing set. FORMAT.md and the README no longer describe either field. The test of entries that decode too large gives each entry a second, empty hash: an entry with one hash and a modification time can no longer reach 8 times its size. Model: opus-5-5
76 lines
1.5 KiB
Go
76 lines
1.5 KiB
Go
package cli
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import (
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"context"
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"encoding/hex"
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"encoding/json"
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"fmt"
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"time"
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"github.com/urfave/cli/v3"
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"sneak.berlin/go/mfer/mfer"
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)
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// ExportEntry represents a single file entry in the exported JSON output.
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type ExportEntry struct {
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Path string `json:"path"`
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Size int64 `json:"size"`
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Hashes []string `json:"hashes"`
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Mtime *string `json:"mtime,omitempty"`
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Mode string `json:"mode"` // octal, "0000" when none was recorded
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}
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func (mfa *CLIApp) exportManifestOperation(
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ctx context.Context, cmd *cli.Command,
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) error {
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pathOrURL, err := mfa.resolveManifestArg(cmd)
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if err != nil {
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return err
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}
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rc, err := mfa.openManifestReader(ctx, pathOrURL)
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if err != nil {
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return err
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}
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defer func() { _ = rc.Close() }()
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manifest, err := mfer.NewManifestFromReader(rc)
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if err != nil {
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return fmt.Errorf("parse manifest: %w", err)
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}
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files := manifest.Files()
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entries := make([]ExportEntry, 0, len(files))
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for _, f := range files {
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entry := ExportEntry{
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Path: f.GetPath(),
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Size: f.GetSize(),
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Hashes: make([]string, 0, len(f.GetHashes())),
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Mode: fmt.Sprintf("%04o", f.GetMode()),
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}
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for _, h := range f.GetHashes() {
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entry.Hashes = append(entry.Hashes, hex.EncodeToString(h.GetMultiHash()))
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}
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if mtime, ok := entryMtime(f); ok {
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t := mtime.UTC().Format(time.RFC3339Nano)
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entry.Mtime = &t
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}
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entries = append(entries, entry)
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}
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enc := json.NewEncoder(mfa.Stdout)
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enc.SetIndent("", " ")
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err = enc.Encode(entries)
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if err != nil {
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return fmt.Errorf("encode JSON: %w", err)
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}
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return nil
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}
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