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GH-1451: Share staged install, checksum and tar helpers across the dictionary installers - #1452
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…ctionary installers - MecabDictionaryInstaller installs through an internal ResourceInstaller.installSelected staging hook instead of its own scratch, promote and delete code; selected destinations must stay inside the target - One package-private Checksums helper for ResourceInstaller, DownloadUtil and DictionaryCatalog - DictionaryCatalog.install overload with an explicit opt-in and Limits - Empty tar detection moved to TarStream - HunspellDictionaryDownload.downloadFromCatalog renamed to HunspellDictionaryInstaller.installFromCatalog (breaking against 3.0.0-M6)
A path such as \x is not absolute on Windows but resolves to the root of the target's drive. The test now expects the platform's path separator in the message.
krickert
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Oct 8, 2026
mawiesne
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Oct 8, 2026
mawiesne
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Thx for the PR. Left two minor comments for improvements, non-blocking but might be worth addressing with this PR.
Otherwise: Good set of changes with many improvements code- and clarity-wise.
The added and enhanced tests tighten the scenario with good checks and relevant examples. Nice!
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mawiesne
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Rename TarStream.startsWithEndOfArchive to isEmptyArchive and describe what it detects. Replace the path character literals in ResourceInstaller with named constants.
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The MeCab dictionary installer now uses the same staged install as ResourceInstaller, with one shared checksum helper and the empty tar check in TarStream. DictionaryCatalog.install gains an overload that takes an explicit opt-in and Limits instead of relying only on the JVM-wide opennlp.download.remote property. Against 3.0.0-M6, HunspellDictionaryDownload.downloadFromCatalog is renamed to HunspellDictionaryInstaller.installFromCatalog to match the MeCab entry point.
Fixes #1451