1.1 --- a/cmdline/tool/src/org/netbeans/modules/jackpot30/cmdline/Main.java	Sun Sep 04 16:45:52 2016 +0200
     1.2 +++ b/cmdline/tool/src/org/netbeans/modules/jackpot30/cmdline/Main.java	Sun Sep 04 16:57:57 2016 +0200
     1.3 @@ -281,8 +281,6 @@
     1.4                  if (!groupConfig.rootFolders.isEmpty()) totalGroups++;
     1.5              }
     1.6  
     1.7 -            System.err.println("totalGroups=" + totalGroups);
     1.8 -
     1.9              ProgressHandleWrapper progress = parsed.has("progress") ? new ProgressHandleWrapper(new ConsoleProgressHandleAbstraction(), ProgressHandleWrapper.prepareParts(totalGroups)) : new ProgressHandleWrapper(1);
    1.10  
    1.11              Preferences hintSettingsPreferences;
    1.12 @@ -336,6 +334,11 @@
    1.13                  return 1;
    1.14              }
    1.15  
    1.16 +            if (result == GroupResult.NO_HINTS_FOUND) {
    1.17 +                System.err.println("no hints specified");
    1.18 +                return 1;
    1.19 +            }
    1.20 +
    1.21              return result == GroupResult.SUCCESS ? 0 : 1;
    1.22          } catch (Throwable e) {
    1.23              e.printStackTrace();
    1.24 @@ -458,8 +461,7 @@
    1.25          }
    1.26  
    1.27          if (globalConfig.apply && !hints.iterator().hasNext()) {
    1.28 -            System.err.println("no hints specified");
    1.29 -            return GroupResult.FAILURE;
    1.30 +            return GroupResult.NO_HINTS_FOUND;
    1.31          }
    1.32  
    1.33          Object[] register2Lookup = new Object[] {
    1.34 @@ -564,6 +566,13 @@
    1.35                  return other;
    1.36              }
    1.37          },
    1.38 +        NO_HINTS_FOUND {
    1.39 +            @Override
    1.40 +            public GroupResult join(GroupResult other) {
    1.41 +                if (other == NOTHING_TO_DO) return this;
    1.42 +                return other;
    1.43 +            }
    1.44 +        },
    1.45          SUCCESS {
    1.46              @Override
    1.47              public GroupResult join(GroupResult other) {

     2.1 --- a/cmdline/tool/test/unit/src/org/netbeans/modules/jackpot30/cmdline/MainTest.java	Sun Sep 04 16:45:52 2016 +0200
     2.2 +++ b/cmdline/tool/test/unit/src/org/netbeans/modules/jackpot30/cmdline/MainTest.java	Sun Sep 04 16:57:57 2016 +0200
     2.3 @@ -491,6 +491,46 @@
     2.4                        "--list");
     2.5      }
     2.6  
     2.7 +    public void testNoHintsFoundWithGroups() throws Exception {
     2.8 +        doRunCompiler("package test;\n" +
     2.9 +                      "public class Test {\n" +
    2.10 +                      "    private void test(java.util.Collection c) {\n" +
    2.11 +                      "        boolean b1 = c.isEmpty();\n" +
    2.12 +                      "        boolean b2 = c.size() != 0;\n" +
    2.13 +                      "    }\n" +
    2.14 +                      "}\n",
    2.15 +                      "",
    2.16 +                      null,
    2.17 +                      "cp/META-INF/upgrade/test.hint",
    2.18 +                      "$coll.size() == 0 :: $coll instanceof java.util.Collection\n" +
    2.19 +                      "=>\n" +
    2.20 +                      "$coll.isEmpty()\n" +
    2.21 +                      ";;",
    2.22 +                      "src/test/Test.java",
    2.23 +                      "package test;\n" +
    2.24 +                      "public class Test {\n" +
    2.25 +                      "    private void test(java.util.Collection c) {\n" +
    2.26 +                      "        boolean b1 = c.size() == 0;\n" +
    2.27 +                      "        boolean b2 = c.size() != 0;\n" +
    2.28 +                      "    }\n" +
    2.29 +                      "}\n",
    2.30 +                      "src2/test/Test.java",
    2.31 +                      "package test;\n" +
    2.32 +                      "public class Test {\n" +
    2.33 +                      "    private void test(java.util.Collection c) {\n" +
    2.34 +                      "        boolean b1 = c.size() == 0;\n" +
    2.35 +                      "        boolean b2 = c.size() != 0;\n" +
    2.36 +                      "    }\n" +
    2.37 +                      "}\n",
    2.38 +                      null,
    2.39 +                      DONT_APPEND_PATH,
    2.40 +                      "--group",
    2.41 +                      "--classpath ${workdir}/cp ${workdir}/src",
    2.42 +                      "--group",
    2.43 +                      "${workdir}/src2",
    2.44 +                      "--apply");
    2.45 +    }
    2.46 +
    2.47      public void testGroupsParamEscape() throws Exception {
    2.48          assertEquals(Arrays.asList("a b", "a\\b"),
    2.49                       Arrays.asList(Main.splitGroupArg("a\\ b a\\\\b")));