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Configuration

The devonfw-ide aims to be highly configurable and flexible. The configuration of the devon command and environment variables takes place via devon.properties files. The following list shows these configuration files in the order they are loaded so files can override variables from files above in the list:

  1. build in defaults (for JAVA_VERSION, ECLIPSE_PLUGINS, etc.)

  2. ~/devon.properties - user specific global defaults (on windows in %USERPROFILE%/devon.properties)

  3. scripts/devon.properties - defaults provided by devonfw-ide. Never directly modify this file!

  4. devon.properties - vendor variables for custom distributions of devonfw-ide-scripts, may e.g. tweak SETTINGS_PATH or predefine SETTINGS_URL.

  5. settings/devon.properties (${SETTINGS_PATH}/devon.properties) - project specific configurations from settings.

  6. workspaces/${WORKSPACE}/devon.properties - optional workspace specific configurations (espeically helpful in projects using docker).

  7. conf/devon.properties - user specific configurations (e.g. M2_REPO=~/.m2/repository). During setup this file is created by copying a template from ${SETTINGS_PATH}/devon/conf/devon.properties.

devon.properties

The devon.properties files allow to define environment variables in a simple and OS independent way:

  • # comments begin with a hash sign (#) and are ignored

  • variable_name=variable_value with space etc.

  • variable_name=${predefined_variable}/folder_name

    variable values can refer to other variables that are already defined what will be resolved to their value. You have to used ${…​} syntax to make it work on all platforms (never use %…​%, $…​, or $(…​) syntax in devon.properties files).

  • export exported_variable=this value will be exported in bash, in windows CMD the export prefix is ignored

  • variable_name=

    this will unset the specified variable

  • variable_name=~/some/path/and.file

    tilde is resolved to your personal home directory on any OS including windows.

  • array_variable=(value1 value2 value3)

    This will only work properly in bash worlds but as no arrays are used in CMD world of devonfw-ide it does not hurt on windows.

  • Please never suround values with quotes (var="value")

  • This format is similar to Java *.properties but does not support advanced features as unicode literals, multi-lined values, etc.

In order to know what to configure have a look at the available variables.

Please only tweak configurations that you need to change and take according responsibility. Flexibiltiy comes with some price. Of course you can break everything if you do the wrong things.

Further, you can configure maven via conf/settings.xml. To configure your IDE such as eclipse or vscode you can tweak the settings.