- Documentation (2.6.0-local-20230820130639)
- Release Notes
- Tutorials
- Reference
- Introduction
- System Properties
- Settings Files
- Ivy Files
- Ant Tasks
- artifactproperty
- artifactreport
- buildlist
- buildnumber
- buildobr
- cachefileset
- cachepath
- checkdepsupdate
- cleancache
- configure
- convertmanifest
- convertpom
- deliver
- dependencytree
- findrevision
- fixdeps
- info
- install
- listmodules
- makepom
- post resolve tasks
- publish
- report
- repreport
- resolve
- resources
- retrieve
- settings
- var
- Using standalone
- OSGi
- Developer doc
settings
[since 2.0]
The settings declaration is used to configure Ivy with a settings XML file. The difference with the configure task is that when using the settings declaration, the configuration of Ivy will be done when the settings are first needed (for instance, when you do a resolve), while the configure task will perform a configuration of Ivy instantly, which makes it easier to see the problem if something goes wrong.
See Settings Files for details about the settings file itself.
Multiple settings can be defined in a build script. Every task can reference its own settings.
All Ivy variables set during the settings are available in the Ant project as long as they were not set in Ant before (Ant properties are immutable).
Moreover, the variables are exposed under two names: the variable name, and the variable name suffixed by dot + the settings id.
For instance, if you load a settings with the id myid
, and define a variable my.variable=my.value
in the Ivy settings, both my.variable
and my.variable.myid
will now be available as properties in Ant and equal to my.value
. If you later load another settings with the id yourid
, and in this settings assign the variable my.variable
the value your.value
, in the Ant project you will have:
my.variable=my.value
my.variable.myid=my.value
my.variable.yourid=your.value
Attributes
Attribute | Description | Required |
---|---|---|
id |
The settings id usable in the |
No, defaults to |
file |
path to the settings file to use |
No. If a file is provided, URL is ignored. If none are provided, then it attempts to find a file at |
url |
URL of the settings file to use |
|
host |
HTTP authentication host |
No, unless authentication is required |
realm |
HTTP authentication realm |
|
username |
HTTP authentication user name |
|
passwd |
HTTP authentication password |
HTTP Authentication
Note: HTTP authentication can be used only if HttpComponents HttpClient library (minimum of 4.5.3 version) and its dependencies are in your classpath.
If any of the URLs you use in Ivy (especially in dependency resolvers) needs HTTP authentication, then you have to provide the host
, realm
, username
and passwd
attributes of the configure task. These settings will then be used in any further call to Ivy tasks.
Multiple classloader
A special attention should be applied when you have a multi-project build with subant
call, using Ivy task loaded by a typedef
. Indeed in this situation, it is possible to pass settings reference to a subbuild. When you do that, you should take care of the classloader. The Ivy task of your subant
should not be defined in a different classloader than the parent one. This can be achieved by using the loader
parameter of the antlib declaration, or avoid to reload the Ivy antlib in the subbuild (place the taskdef
in a target only executed when the antlib is not yet loaded).
Examples
Simplest settings
<ivy:settings/>
Use either ${ivy.settings.file}
if it exists, or the default settings file
This simplest setting is implicit.
Configure with a file
<ivy:settings file="mysettings.xml"/>
Configure with an URL
<ivy:settings url="http://mysite.com/mysettings.xml"/>
Configure multiple realms which require authentication
<ivy:settings file="path/to/my/ivysettings.xml">
<credentials host="myhost.com" realm="My Realm" username="myuser" passwd="mypasswd"/>
<credentials host="yourhost.com" realm="Your Realm" username="myuser" passwd="myotherpasswd"/>
</ivy:settings>
Configure 2 different settings
You can use multiple Ivy settings during a build. Then every Ivy task should specify the settings it uses using the settingsRef
attribute.
<ivy:settings id="ivy.normal.settings" file="normal_settings.xml"/>
<ivy:settings id="ivy.release.settings" file="release_settings.xml"/>
<ivy:resolve settingsRef="ivy.normal.settings"/>
<ivy:resolve settingsRef="ivy.release.settings"/>