gistfile1.txt

// Grails 2.0.4

grails.project.dependency.resolution = {
    // inherit Grails' default dependencies
    inherits("global") {
        // uncomment to disable ehcache
        // excludes 'ehcache'
    }
    log "error" // log level of Ivy resolver, either 'error', 'warn', 'info', 'debug' or 'verbose'
    checksums true // Whether to verify checksums on resolve

    repositories {
        inherits true // Whether to inherit repository definitions from plugins
        grailsPlugins()
        grailsHome()
        grailsCentral()
        grailsRepo("http://svn.codehaus.org/grails-plugins", "grailsCore2")
        mavenCentral()
    }
    dependencies {
        compile 'org.apache.mina:mina-core:2.0.4',
                'org.apache.sshd:sshd-core:0.6.0',
                'org.apache.sshd:sshd-pam:0.6.0'
        compile('org.codehaus.griffon:griffon-rt:0.9.5-rc2',
                'org.codehaus.griffon:griffon-cli:0.9.5-rc2') {
            transitive = false
        }
        runtime 'postgresql:postgresql:9.0-801.jdbc4'
    }

    plugins {
        test    ":code-coverage:1.2.5",
                ":spock:0.6"
        compile ":hibernate:$grailsVersion",
                ":jquery:1.7.1",
                ":resources:1.1.6",
                ":avatar:0.5.2",
                ":commentable:0.8.1",
                ":email-confirmation:1.0.5",
                ":executor:0.3",
                ":jcaptcha:1.2.1",
                ":mail:1.0",
                ":markdown:1.0.0.RC1",
                ":quartz:0.4.2",
                ":rateable:0.7.1",
                ":taggable:1.0.1",
                ":twitter-bootstrap:1.4.0.12",
                ":twitter4j:0.2",
                ":webxml:1.4.1",
                ":yui:2.8.2.1",
                ":yui-minify-resources:0.1.5",
                ":zipped-resources:1.0",
                ":cached-resources:1.0",
                ":cache-headers:1.1.5", {
            excludes "svn"
        }

        build ":tomcat:$grailsVersion",
              ":svn:1.0.2"
    }
}

BTW, the reason you get the "upgrade plugin" message (if you're interested) is that the two versions of svn are in different scopes (build and compile). That means neither evicts the other. But Grails sees both versions when it loads the plugins, so it gets confused.