Correct usage of "appstreamcli validate-tree"

[Michal Vašut]

Hello, I have file structure like this

tree data/org.file.krita/
data/org.file.krita/
├── file-krita.py
└── org.file.krita.metainfo.xml

-----

when I do

appstreamcli validate data/org.file.krita/org.file.krita.metainfo.xml

it detects file and correctly returns

I: org.file.krita:26: nonstandard-gnome-extension metadata

✔ Validation was successful: infos: 1

-----

but when I do

appstreamcli validate-tree data/org.file.krita

or

appstreamcli validate-tree data

(even if I add slash (/) at the end), it always returns

I: ~:~: dir-no-metadata-found

What am I doing wrong?

Thanks. Michal

PS: the metafile content (just testing, not real data) is

<?xml version="1.0" encoding="UTF-8"?>
<component type="addon">
  <id>org.file.krita</id>
  <extends>org.gimp.GIMP</extends>
  <name>Krita File Loader</name>
  <summary>Load .kra project files (Preview)</summary>
  <description>
    <p>
    This extension loads the preview image from a .kra project file.
    This allows you to import and edit a merged image from Krita.
    Future versions of this extension will import more features.
    </p>
  </description>
  <url type="homepage">https://gimp.org</url>
  <developer id="io.github.random-guy">
    <name>Random Guy</name>
  </developer>
  <metadata_license>CC0-1.0</metadata_license>
  <project_license>GPL-3.0+</project_license>
  <releases>
   <release version="1.0.0" date="2022-10-05" />
  </releases>
  <requires>
   <id version="2.99.0" compare="ge">org.gimp.GIMP</id>
  </requires>
  <metadata>
   <value key="GIMP::plug-in-path">file-krita.py</value>
  </metadata>
  <screenshots>
    <screenshot type="default">
      <caption>The FooBar main window.</caption>
      <image type="source" width="1600"
height="900">https://www.gimp.org/images/frontpage/wilber-big.png</image>
    </screenshot>
  </screenshots>
</component>
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