Rename isRunningInCI(), improve isCISetToTrue().

Author: fniephaus

substratevm/src/com.oracle.svm.core/src/com/oracle/svm/core/SubstrateUtil.java

@@ -82,17 +82,17 @@ public class SubstrateUtil {
 
     public static String getArchitectureName() {
         String arch = System.getProperty("os.arch");
-        switch (arch) {
-            case "x86_64":
-                arch = "amd64";
-                break;
-            case "arm64":
-                arch = "aarch64";
-                break;
-        }
-        return arch;
+        return switch (arch) {
+            case "x86_64" -> "amd64";
+            case "arm64" -> "aarch64";
+            default -> arch;
+        };
     }
 
+    /*
+     * [GR-55515]: Accessing isTerminal() reflectively only for 21 JDK compatibility. After dropping
+     * JDK 21, use it directly.
+     */
     private static final Method IS_TERMINAL_METHOD = ReflectionUtil.lookupMethod(true, Console.class, "isTerminal");
 
     private static boolean isTTY() {
@@ -111,12 +111,12 @@ private static boolean isTTY() {
         }
     }
 
-    public static boolean isRunningInCI() {
-        return !isTTY() || isCISet();
+    public static boolean isNonInteractiveTerminal() {
+        return isCISetToTrue() || !isTTY();
     }
 
-    public static boolean isCISet() {
-        return "true".equals(System.getenv("CI"));
+    public static boolean isCISetToTrue() {
+        return "true".equalsIgnoreCase(System.getenv("CI"));
     }
 
     /**

substratevm/src/com.oracle.svm.driver/src/com/oracle/svm/driver/MemoryUtil.java

@@ -128,7 +128,7 @@ private static List<String> determineMemoryUsageFlags(Function<Double, String> t
 
         String memoryUsageReason = "unknown";
         final boolean isDedicatedMemoryUsage;
-        if (SubstrateUtil.isCISet()) {
+        if (SubstrateUtil.isCISetToTrue()) {
             isDedicatedMemoryUsage = true;
             memoryUsageReason = "$CI set to 'true'";
         } else if (isContainerized()) {

substratevm/src/com.oracle.svm.driver/src/com/oracle/svm/driver/NativeImage.java

@@ -2504,12 +2504,12 @@ private static boolean isDumbTerm() {
     }
 
     private static boolean hasColorSupport() {
-        return !isDumbTerm() && !SubstrateUtil.isRunningInCI() && OS.getCurrent() != OS.WINDOWS &&
+        return !isDumbTerm() && !SubstrateUtil.isNonInteractiveTerminal() && OS.getCurrent() != OS.WINDOWS &&
                         System.getenv("NO_COLOR") == null /* https://no-color.org/ */;
     }
 
     private static boolean hasProgressSupport(List<String> imageBuilderArgs) {
-        if (isDumbTerm() || SubstrateUtil.isRunningInCI()) {
+        if (isDumbTerm() || SubstrateUtil.isNonInteractiveTerminal()) {
             return false;
         }
 

substratevm/src/com.oracle.svm.hosted/src/com/oracle/svm/hosted/ProgressReporter.java

@@ -107,7 +107,6 @@
 import jdk.graal.compiler.util.json.JsonWriter;
 
 public class ProgressReporter implements FeatureSingleton, UnsavedSingleton {
-    private static final boolean IS_CI = SubstrateUtil.isRunningInCI();
     private static final int CHARACTERS_PER_LINE;
     private static final String HEADLINE_SEPARATOR;
     private static final String LINE_SEPARATOR;
@@ -169,7 +168,7 @@ private enum BuildStage {
     }
 
     static {
-        CHARACTERS_PER_LINE = IS_CI ? ProgressReporterCHelper.MAX_CHARACTERS_PER_LINE : ProgressReporterCHelper.getTerminalWindowColumnsClamped();
+        CHARACTERS_PER_LINE = SubstrateUtil.isNonInteractiveTerminal() ? ProgressReporterCHelper.MAX_CHARACTERS_PER_LINE : ProgressReporterCHelper.getTerminalWindowColumnsClamped();
         HEADLINE_SEPARATOR = Utils.stringFilledWith(CHARACTERS_PER_LINE, "=");
         LINE_SEPARATOR = Utils.stringFilledWith(CHARACTERS_PER_LINE, "-");
     }