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Fix auto-rename episode range folders producing duplicate MKV names

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Folder names with episode ranges like S01E01-E08 (common in season
packs from debrid servers) were returned unchanged as target name,
causing all episodes to get the same filename and producing (2)(3)(4)
suffixes during MKV collection.

- Detect episode ranges (S01E01-E08, S01E01-08) in folder names and
  replace them with the source file's specific episode token
- Extend applyEpisodeTokenToFolderName regex to match and replace
  full episode ranges instead of only single episode tokens

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
This commit is contained in:
Sucukdeluxe 2026-03-23 11:25:10 +01:00
parent 15ed49e783
commit 7b764be769
1 changed files with 15 additions and 1 deletions
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16
src/main/download-manager.ts
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@ -1012,7 +1012,10 @@ export function applyEpisodeTokenToFolderName(folderName: string, episodeToken:
return episodeToken; return episodeToken;
} }
const episodeRe = /(^|[._\-\s])s\d{1,2}e\d{1,3}(?:e\d{1,3})?(?=[._\-\s]|$)/i; // Match single episodes (S01E03), multi-episodes (S01E01E02), and
// episode ranges (S01E01-E08, S01E01-08) so the range is fully replaced
// with the source's specific episode token.
const episodeRe = /(^|[._\-\s])s\d{1,2}e\d{1,3}(?:e\d{1,3})?(?:[-]e?\d{1,3})?(?=[._\-\s]|$)/i;
if (episodeRe.test(trimmed)) { if (episodeRe.test(trimmed)) {
return trimmed.replace(episodeRe, `$1${episodeToken}`); return trimmed.replace(episodeRe, `$1${episodeToken}`);
} }
@ -1085,6 +1088,17 @@ export function buildAutoRenameBaseName(folderName: string, sourceFileName: stri
? applyEpisodeTokenToFolderName(normalizedFolderName, episodeToken) ? applyEpisodeTokenToFolderName(normalizedFolderName, episodeToken)
: normalizedFolderName; : normalizedFolderName;
// If the folder contains an episode RANGE (e.g. S01E01-E08), replace the
// range with the source's specific episode token. Without this, all
// episodes in a range-named folder share the same target name, producing
// (2)(3)(4) suffixes during MKV collection.
if (!isLegacy4sf4sjFolder && isSceneGroupFolder) {
const episodeRangeRe = /(^|[._\-\s])s\d{1,2}e\d{1,3}[-]e?\d{1,3}(?=[._\-\s]|$)/i;
if (episodeRangeRe.test(normalizedFolderName)) {
next = applyEpisodeTokenToFolderName(normalizedFolderName, episodeToken);
}
}
const hasRepackHint = sourceHasRpToken(normalizedSourceFileName) const hasRepackHint = sourceHasRpToken(normalizedSourceFileName)
|| SCENE_REPACK_TOKEN_RE.test(normalizedSourceFileName) || SCENE_REPACK_TOKEN_RE.test(normalizedSourceFileName)
|| sourceHasRpToken(normalizedFolderName) || sourceHasRpToken(normalizedFolderName)