JBang: ignore malformed directives test due to regression in JBang (jbangdev/jbang#2236)

Additionally: make PIP comment parsing in JBangIntegration more robust.

Author: steve-s

.pre-commit-config.yaml

@@ -3,6 +3,7 @@ repos:
     rev: v5.0.0
     hooks:
     -   id: trailing-whitespace
+        exclude: ^integration-tests/jbang/EmptyPIPComments\.j$
     -   id: end-of-file-fixer
     -   id: check-yaml
     -   id: check-added-large-files

integration-tests/jbang/EmptyPIPComments.j

@@ -3,9 +3,9 @@
 //DEPS org.graalvm.python:jbang:${env.GRAALPY_VERSION:26.0.0}
 //PIP
 // one blank after PIP
-//PIP
+//PIP 
 // three blanks after PIP
-//PIP
+//PIP   
 
 public class EmptyPIPComments {
     public static void main(String[] args) {

integration-tests/test_jbang_integration.py

@@ -317,6 +317,7 @@ def check_empty_comments(self, work_dir, java_file, log):
         self.assertEqual(0, result, f"command: {command}\n    stdout: {out}")
         self.assertNotIn("[graalpy jbang integration]", out)
 
+    @unittest.skip # https://github.com/jbangdev/jbang/issues/2236
     def test_malformed_tag_formats(self):
         jbang_templates_dir = os.path.join(os.path.dirname(__file__), "jbang")
         work_dir = self.tmpdir

org.graalvm.python.jbang/src/main/java/org/graalvm/python/jbang/JBangIntegration.java

@@ -180,8 +180,11 @@ public static Map<String, Object> postBuild(Path temporaryJar, Path pomFile,
 					resourcesDirectory = Path.of(path);
 				}
 			} else if (comment.startsWith(PIP)) {
-				pkgs.addAll(Arrays.stream(comment.substring(PIP.length()).trim().split(" "))
-						.filter(s -> !s.trim().isEmpty()).collect(Collectors.toList()));
+				String content = comment.substring(PIP.length()).trim();
+				if (!content.isEmpty()) {
+					pkgs.addAll(Arrays.stream(content.split("\\s+")).filter(x -> !x.isBlank())
+							.collect(Collectors.toList()));
+				}
 			}
 		}
 		if (!pkgs.isEmpty()) {