appstreamcli compose | AppStream | AppStream 1.0
Description: Nameappstreamcli-compose — Compose AppStream metadata catalog from directory treesSynopsisappstreamcli compose [COMMAND]Description This manual page documents briefly the appstreamcli compose command. The appstreamcli compose tool is used to construct AppStream metadata catalogs from directory trees…

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## Name

appstreamcli-compose — Compose AppStream metadata catalog from directory trees

## Synopsis

`appstreamcli compose` [`COMMAND`]

## Description

This manual page documents briefly the `appstreamcli compose` command.

The `appstreamcli compose` tool is used to construct AppStream metadata catalogs from directory trees. The tool will also perform many related metadata generation actions, like resizing icons and screenshots and merging in data from referenced desktop-entry files as well as translation status information. Therefore, the tool provides a fast way to test how the final processed metadata for an application that is shipped to users may look like. It also provides a way to easily generate AppStream data for projects which do not need a more complex data generator like `appstream-generator`.

In order for the `appstreamcli compose` command to be available, you may need to install the optional compose module for `appstreamcli` first.

For more information about the AppStream project and the other components which are part of it, take a look at the AppStream pages at Freedesktop.org (https://www.freedesktop.org/wiki/Distributions/AppStream/).

## Options

SOURCE-DIRECTORIES

  A list of directories to process needs to be provided as positional parameters. Data from all directories will be combined into one output namespace.

`--origin NAME`

  Set the AppStream data origin identifier. This can be a value like `"debian-unstable-main"` or `"flathub"`.

`--result-root DIR`

  Sets the directory where all generated output that is deployed to a user's machine is exported to. If this parameter is not set and we only have one directory to process, we use that directory as default output path.

  If both `--data-dir` and `--icons-dir` are set, `--result-root` is not necessary and no data will be written to that directory.

`--data-dir DIR`

  Override the directory where the generated AppStream metadata catalog will be written to. Data will be written directly to this directory, and no supdirectories will be created (unlike when using `--result-root` to set an output location).

`--icons-dir DIR`

  Override the directory where the cached icons are exported to.

`--hints-dir DIR`

  Set a directory where hints reported generated during metadata processing are saved to. If this parameter is not set, no HTML/YAML hint reports will be saved.

`--media-dir DIR`

  If set, creates a directory with media content (icons, screenshots, ...) that can be served via a webserver. The metadata will be extended to include information about these remote media.

`--media-baseurl URL`

  The URL under which the contents of a directory set via `--media-dir` will be served. This value must be set if a media directory is created.

`--prefix DIR`

  Set the default prefix that is used in the processed directories. If none is set explicitly, `/usr` is assumed.

`--print-report MODE`

  Print the issue hints report (that gets exported as HTML and YAML document when `--hints-dir` was set) to the console in text form.

  Various print modes are supported: on-error only prints a short report if the run failed (default), short generates an abridged report that is always printed and full results in a detailed report to be printed.

`--no-partial-urls`

  If set, all URLs in the generated data will be absolute and `media_baseurl` will not be used. This makes changing the media mirror harder without regenerating all data and is generally not recommended, to increase flexibility.

`--icon-policy POLICY-STRING`

  Override the existing icon policy with a custom one. The icon policy sets how icons of different sizes should be dealt with. They can be in the icon cache only, be a remote icon in the media location or be both cached and available in the remote location.

  The icon-policy string is comprised of comma-separated `%{size}x%{size}@%{scale}=%{state}` statements. The `size` and `scale` are that of the respective icon, with the scale being allowed to be omitted if it is 1. The `state` can be one of `remote`, `cached` or `cached-remote`.

  By default, a policy of `48x48=cached,48x48@2=cached,64x64=cached,64x64@2=cached,128x128=cached-remote,128x128@2=cached-remote` is selected.

`--allow-custom CUSTOM-KEY-NAMES`

  By default, all `custom` entries set in MetaInfo input data are removed. This flag allows one to whitelist custom keys to be propagated to the final catalog output data. The custom-key names should be provided as a comma-separated list.

`--components COMPONENT-IDs`

  Set a comma-separated list of AppStream component IDs that should be considered for the generated metadata. All components that exist in the input data but are not mentioned in this list will be ignored for the generated output.

`--no-color`

  Don't print colored output.

`--verbose`

  Display extra debugging information

`--version`

  Display the version number of appstreamcli compose

## See Also

appstreamcli(1), appstream-generator(1).

## AUTHOR

This manual page was written by Matthias Klumpp <matthias@tenstral.net>.