Beyond Linux® From Scratch (systemd Edition) - Version 11.0

Chapter 11. General Utilities

desktop-file-utils-0.26

Introduction to Desktop File Utils

The Desktop File Utils package contains command line utilities for working with Desktop entries. These utilities are used by Desktop Environments and other applications to manipulate the MIME-types application databases and help adhere to the Desktop Entry Specification.

This package is known to build and work properly using an LFS-11.0 platform.

Package Information

Desktop File Utils Dependencies

Required

GLib-2.68.4

Optional

Emacs-27.2

User Notes: https://wiki.linuxfromscratch.org/blfs/wiki/desktop-file-utils

Installation of Desktop File Utils

[Warning]

Warning

If you are upgrading from a previous version of desktop-file-utils that used the Autotools method of installing and configuring the package, you must remove the desktop-file-edit symlink by using the following commands. 

rm -fv /usr/bin/desktop-file-edit

Install Desktop File Utils by running the following commands: 

mkdir build &&
cd    build &&

meson --prefix=/usr --buildtype=release .. &&
ninja

This package does not come with a test suite.

Now, as the root user: 

ninja install

Command Explanations

--buildtype=release: Specify a buildtype suitable for stable releases of the package, as the default may produce unoptimized binaries.

Configuring Desktop File Utils

Configuration Information

The XDG Base Directory specification defines the standard locations for applications to place data and configuration files. These files can be used, for instance, to define the menu structure and menu items in a desktop environment.

The default location for configuration files to be installed is /etc/xdg, and the default locations for data files are /usr/local/share and /usr/share. These locations can be extended with the environment variables XDG_CONFIG_DIRS and XDG_DATA_DIRS, respectively. The GNOME, KDE and XFCE environments respect these settings.

When a package installs a .desktop file to a location in one of the base data directories, the database that maps MIME-types to available applications can be updated. For instance, the cache file at /usr/share/applications/mimeinfo.cache can be rebuilt by executing the following command as the root user: 

install -vdm755 /usr/share/applications &&
update-desktop-database /usr/share/applications

Contents

Installed Programs: desktop-file-edit, desktop-file-install, desktop-file-validate and update-desktop-database
Installed Libraries: None
Installed Directories: None

Short Descriptions

desktop-file-edit

is used to modify an existing desktop file entry

desktop-file-install

is used to install a new desktop file entry. It is also used to rebuild or modify the MIME-types application database

desktop-file-validate

is used to verify the integrity of a desktop file

update-desktop-database

is used to update the MIME-types application database

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