Maven automatic SNAPSHOT update

Question

Let's say I have one project with the following POM:

<groupId>com.mine</groupId> <artifactId>coreJar</artifactId> <packaging>jar</packaging> <version>0.0.1-SNAPSHOT</version> 

And then in another project I always want to reference the latest SNAPSHOT:

<dependencies>      <dependency>         <groupId>com.mine</groupId>         <artifactId>coreJar</artifactId>         <version>0.0.1-SNAPSHOT</version>     </dependency>     ... <dependencies>  

But instead of 0.0.1-SNAPSHOT, I want it to always grab the latest SNAPSHOT version. In the past you could use LATEST, but this has since been deprecated (for reasonable reasons).

I do understand you can specify versions, such as:

[1.5,) 

But I could never get it to work with a "-SNAPSHOT":

[0.0.1,)-SNAPSHOT // Doesn't work! 

The question then is how do I get maven to grab the latest SNAPSHOT in my other project?

Answer 1

Another option (which I use) is to include the following in your pom.xml. updatePolicy tag will force maven to always use latest snapshot from this repo.

<repositories>     <repository>         <id>you-snapshots</id>         <url>http://host/nexus/repos/snapshots</url>         <snapshots>             <updatePolicy>always</updatePolicy>         </snapshots>         <releases>             <updatePolicy>always</updatePolicy>         </releases>     </repository> </repositories> 

p.s. I always configure all repos in pom.xml because we use several CI servers and it will be quite hard to configure all of them (I am lazy...)

Doc on settings.xml updatePolicy for reference. The frequency for downloading updates - can be "always", "daily" (default), "interval:XXX" (in minutes) or "never" (only if it doesn't exist locally).