Localsearch (formerly tracker 3)

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1

Trying to add qmd files (this is a quarto file, an extension to markdown, and is plain text) so localsearch can do full text searches inside these files.

  1. Create two test files test-search.md and test-search.qmd both in the search path defined under Gnome-Search. These files are identical and look like this:
    Elephants are great!
  2. Use localsearch to look for elephants across my search folders: localsearch search elephant | grep -E '\.(md|qmd)$', and the test-search.md file is found but not the qmd.
  3. So I added a qmd mimetype like this in ~/.local/share/mime/packages/quarto.xml
    <?xml version="1.0" encoding="UTF-8"?>
<mime-info xmlns="http://www.freedesktop.org/standards/shared-mime-info">
<mime-type type="text/x-quarto">
<comment>Quarto Document</comment>
<sub-class-of type="text/plain"/>
<glob pattern="*.qmd"/>
</mime-type>
</mime-info>
    and ran update-mime-database ~/.local/share/mime. Checking my test file using xdg-mime query filetype test_search.qmd yields test/quarto.
  4. Next I tested extraction using localsearch extract test_search.qmd and get this:
    @prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
@prefix nao: <http://tracker.api.gnome.org/ontology/v3/nao#> .
@prefix nrl: <http://tracker.api.gnome.org/ontology/v3/nrl#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix fts: <http://tracker.api.gnome.org/ontology/v3/fts#> .
@prefix nmm: <http://tracker.api.gnome.org/ontology/v3/nmm#> .
@prefix slo: <http://tracker.api.gnome.org/ontology/v3/slo#> .
@prefix tracker: <http://tracker.api.gnome.org/ontology/v3/tracker#> .
@prefix dc: <http://purl.org/dc/elements/1.1/> .
@prefix nfo: <http://tracker.api.gnome.org/ontology/v3/nfo#> .
@prefix osinfo: <http://tracker.api.gnome.org/ontology/v3/osinfo#> .
@prefix nco: <http://tracker.api.gnome.org/ontology/v3/nco#> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
@prefix nie: <http://tracker.api.gnome.org/ontology/v3/nie#> .
@prefix mfo: <http://tracker.api.gnome.org/ontology/v3/mfo#> .

<file:///some/folder/in/gnome/search/path/test_search.qmd> nie:plainTextContent "Elephants are great!\n" ;
rdf:type nfo:PlainTextDocument .
    which is more or less identical to the output when I extract on the markdown file.
  5. I added a custom extractor in ~/.local/share/tracker3/extractor-rules/99-quarto.rule containing this:
    [ExtractorRule]
ModulePath=libextract-text.so 
MimeTypes=text/quarto;
FallbackRdfTypes=nfo:Document;nfo:PlainTextDocument;
    I couldn’t find any documentation on where localsearch looks for this and so I created a symlink in ~/.local/share/ called localsearch that links to the tracker3 folder.

No amount of resetting the index or restarting the systemd service, results in the new file types being searched.

2

Just added qmd to the dconf-editor tracker/extract/text-allowlist:

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image544×550 29.4 KB

Even after a reindex, the qmd file isn’t being found while the md one is.