Selective tutorial check ignore (#1716)

tutorials/checker/build.gradle.kts

@@ -28,7 +28,7 @@ fun findSnippets(dirs: List<String>): List<SnippetData> {
               currentSnippet.clear()
             } else {
               if (snippetStart != 0) {
-                currentSnippet.appendln(line)
+                currentSnippet.appendLine(line)
             }
           }
         }
@@ -50,6 +50,24 @@ fun cloneTemplate(template: String, index: Int, content: String): File {
   return tempDir
 }
 
+val ignoreTill = java.time.LocalDate.parse("2022-02-01")
+
+fun isIgnored(tutorial: String): Boolean {
+  if (java.time.LocalDate.now() > ignoreTill) return false
+  return when (tutorial) {
+    "IGNORED" -> true
+    else -> false
+  }
+}
+
+fun maybeFail(tutorial: String, message: String) {
+  if (!isIgnored(tutorial)) {
+    throw GradleException(message)
+  } else {
+    println("IGNORED ERROR: $message")
+  }
+}
+
 @OptIn(ExperimentalStdlibApi::class)
 fun checkDirs(dirs: List<String>, template: String, buildCmd: String = "build") {
   val snippets = findSnippets(dirs)
@@ -83,7 +101,7 @@ fun checkDirs(dirs: List<String>, template: String, buildCmd: String = "build")
     if (proc.exitValue() != 0) {
       println(proc.inputStream.bufferedReader().readText())
       println(proc.errorStream.bufferedReader().readText())
-      throw GradleException("Error in snippet at ${snippet.file}:${snippet.lineNumber}")
+      maybeFail(snippet.file.parentFile.name, "Error in snippet at ${snippet.file}:${snippet.lineNumber}")
     }
   }
 }

tutorials/checker/gradle/wrapper/gradle-wrapper.properties

@@ -1,5 +1,5 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-6.9-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-7.3.3-bin.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists