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1ebeade2c1
Code search now matches case-insensitive literal substrings like GitHub, in every script. Word tokenizers can't do this: the ES pattern dropped every non-ASCII word, and the `standard` tokenizer keeps `console.log` as one token. - Elasticsearch indexes positional trigrams, plus 1-2 grams for short terms - Bleve indexes distinct 1-3 grams as a candidate filter and verifies candidates against the content before paging, because phrase queries over trigrams are quadratic in repeated grams - Snippet offsets come from the original content, so `<em>` in sources and width-changing lowercase no longer misplace them - `search_mode=fuzzy` requests behave like Words, the UI never offered fuzzy for code search - The ES code indexer test now runs in CI, it was skipped before There are no UI changes. Both code indexes rebuild after upgrade. Fixes: https://github.com/go-gitea/gitea/issues/40027 Fixes: https://github.com/go-gitea/gitea/issues/16158 Fixes: https://github.com/go-gitea/gitea/issues/21359 --------- Co-authored-by: silverwind <me@silverwind.io> Co-authored-by: wxiaoguang <wxiaoguang@gmail.com>