chore: remove Linkage Monitor (#1596)

.github/sync-repo-settings.yaml

@@ -19,8 +19,6 @@ branchProtectionRules:
     requiresStrictStatusChecks: true
     requiredStatusCheckContexts:
       - bazel
-      - linkage-monitor (8)
-      - linkage-monitor (11)
       - units (7)
       - units (8)
       - units (11)
@@ -32,8 +30,6 @@ branchProtectionRules:
     requiresStrictStatusChecks: true
     requiredStatusCheckContexts:
       - bazel
-      - linkage-monitor (8)
-      - linkage-monitor (11)
       - units (7)
       - units (8)
       - units (11)
@@ -45,8 +41,6 @@ branchProtectionRules:
     requiresStrictStatusChecks: true
     requiredStatusCheckContexts:
       - bazel
-      - linkage-monitor (8)
-      - linkage-monitor (11)
       - units (7)
       - units (8)
       - units (11)

build.gradle

@@ -114,15 +114,9 @@ configure(javaProjects) {
 
   configurations {
     shadowNoGuava
-    linkageChecker
     implementation.exclude group: 'com.google.guava', module: 'guava-jdk5'
   }
 
-  dependencies {
-    // Separate configuration (class path) for Linkage Checker
-    linkageChecker 'com.google.cloud.tools:dependencies:1.5.12'
-  }
-
   jacoco.toolVersion = '0.8.5'
   jacocoTestReport {
     reports {
@@ -276,22 +270,6 @@ configure(normalReleasableProjects) {
         }
       }
     }
-
-    task checkJavaLinkage(type: JavaExec) {
-      // Example invocation:
-      // ./gradlew gax-httpjson:checkJavaLinkage
-      dependsOn project.getTasksByName('publishMavenJavaPublicationToMavenLocal', true)
-      classpath = configurations.linkageChecker
-      mainClass = 'com.google.cloud.tools.opensource.classpath.LinkageCheckerMain'
-
-      def arguments = ['-a', "com.google.api:${project.name}:${project.version}"]
-      if (project.name == 'gax-grpc') {
-        // The exclusion file can be regenerated by '-o' option. See its Wiki for details:
-        // https://github.com/GoogleCloudPlatform/cloud-opensource-java/wiki/LinkageCheckerMain#exclusion-files
-        arguments += ['--exclusion-file', 'linkage-checker-exclusion.xml']
-      }
-      args arguments
-    }
   }
 
   signing {
@@ -335,18 +313,3 @@ task javadocCombinedV3(type: Javadoc) {
 clean {
   delete 'tmp_docs/'
 }
-
-// Linkage Monitor searches for pom.xml but gax-java uses Gradle. Alternatively Linkage Monitor
-// reads linkage-monitor-artifacts.txt to get list of artifacts.
-// https://github.com/GoogleCloudPlatform/cloud-opensource-java/wiki/Linkage-Monitor#linkage-monitor-artifactstxt
-task createLinkageMonitorArtifactList {
-  doLast {
-    def httpJsonVersion = project(':gax-httpjson').version
-
-    new File('linkage-monitor-artifacts.txt').text = """
-com.google.api:gax:$version
-com.google.api:gax-grpc:$version
-com.google.api:gax-httpjson:$httpJsonVersion
-"""
-  }
-}