Original Maven ~/.m2/settings.xml that mirrors all repos, other than my internal repo. See this for context: http://jira.grails.org/browse/GPRELEASE-7?focusedCommentId=79042&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-79042

gistfile1.xml

<?xml version="1.0" encoding="UTF-8"?>
<settings xsi:schemaLocation="http://maven.apache.org/SETTINGS/1.0.0 http://maven.apache.org/xsd/settings-1.0.0.xsd" xmlns="http://maven.apache.org/SETTINGS/1.0.0"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
  <servers>
    <server>
      <username>myuser</username>
	    <password>mypassword</password>
      <id>remote-repos</id>
    </server>
  	<server>
      <username>myuser</username>
	    <password>mypassword</password>
      <id>mycompany</id>
    </server>
  </servers>
  <mirrors>
    <mirror>
      <mirrorOf>!mycompany,*</mirrorOf>
      <name>remote-repos</name>
      <url>http://repo.mycompany.com:8081/artifactory/remote-repos</url>
      <id>remote-repos</id>
    </mirror>
  </mirrors>
  <profiles>
    <profile>
      <repositories>
	    <repository>
          <snapshots>
            <enabled>false</enabled>
          </snapshots>
          <id>mycompany</id>
          <name>libs-release-local</name>
          <url>http://repo.mycompany.com:8081/artifactory/libs-release-local</url>
        </repository>
      </repositories>
      <id>artifactory</id>
    </profile>
  </profiles>
  <activeProfiles>
    <activeProfile>artifactory</activeProfile>
  </activeProfiles>
</settings>