How to auto update dependent project's SNAPSHOT version?

Say, there are two projects: A & B, project B depends project A's snapshot version

?

1. In project A's pom.xml, add

?

<distributionManagement><snapshotRepository><id>snapshot</id><name>internal snapshot</name><url>http://server:8080/nexus/content/repositories/test/</url></snapshotRepository></distributionManagement>

?

2. In maven setting.xml, modify <servers>, add?authentication:

?

? ? <server>

? ? ? <id>snapshot</id>

? ? ? <username>admin</username>

? ? ? <password>admin123</password>

? ? </server>

?

3. ?In project A, do maven deploy

?

4. In project B, when you do maven compile, maven will check project A's recent update.