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feat(watch): add opt-in --backfill flag for existing archives

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Co-authored-by: Belphemur <197810+Belphemur@users.noreply.github.com>
This commit is contained in:
copilot-swe-agent[bot]
2026-07-03 15:44:08 +00:00
committed by GitHub
co-authored by Belphemur
parent 0b3c3fa90c
commit 1d981be21b
4 changed files with 59 additions and 14 deletions
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cmd/cbzoptimizer/commands/watch_command.go
+15 -7
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@@ -41,6 +41,9 @@ func init() {
// Setup common flags (format, quality, override, split, timeout) with viper binding
setupCommonFlags(command, &converterType, 85, true, false, true)
command.Flags().Bool("backfill", false, "Optimize CBZ/CBR files that already exist in the watched folder at startup, before watching for new changes")
_ = viper.BindPFlag("backfill", command.Flags().Lookup("backfill"))
AddCommand(command)
}
func WatchCommand(_ *cobra.Command, args []string) error {
@@ -64,6 +67,8 @@ func WatchCommand(_ *cobra.Command, args []string) error {
timeout := viper.GetDuration("timeout")
backfill := viper.GetBool("backfill")
converterType := constant.FindConversionFormat(viper.GetString("format"))
chapterConverter, err := converter.Get(converterType)
if err != nil {
@@ -74,7 +79,7 @@ func WatchCommand(_ *cobra.Command, args []string) error {
if err != nil {
return fmt.Errorf("failed to prepare converter: %w", err)
}
log.Info().Str("path", path).Bool("override", override).Uint8("quality", quality).Str("format", converterType.String()).Bool("split", split).Msg("Watching directory")
log.Info().Str("path", path).Bool("override", override).Uint8("quality", quality).Str("format", converterType.String()).Bool("split", split).Bool("backfill", backfill).Msg("Watching directory")
watcher, err := fsnotify.NewWatcher()
if err != nil {
@@ -101,15 +106,18 @@ func WatchCommand(_ *cobra.Command, args []string) error {
defer debouncer.Stop()
// Note: existing archives already present under path when the watch
// starts are intentionally left untouched. Watch mode only reacts to
// filesystem events going forward; use the `optimize` command to process
// a library's existing contents. Archives inside a directory that is
// created/moved into the watched tree *after* startup are still
// back-filled below, since only the directory itself generates an
// fsnotify event.
// starts are left untouched unless --backfill is set. Watch mode only
// reacts to filesystem events going forward by default; use the
// `optimize` command (or pass --backfill) to process a library's
// existing contents. Archives inside a directory that is created/moved
// into the watched tree *after* startup are always back-filled below,
// since only the directory itself generates an fsnotify event.
if err := addRecursiveWatch(watcher, path); err != nil {
return fmt.Errorf("failed to watch path %s: %w", path, err)
}
if backfill {
backfillExistingArchives(path, debouncer.Trigger)
}
for {
select {