[GR-65947] Reduce console noise for mx.abort

PullRequest: mx/1936

Author: dougxc

src/mx/_impl/mx.py

@@ -13656,7 +13656,15 @@ def redirect(pid, stream, f, logTask):
     if retcode and nonZeroIsFatal:
         if _opts.verbose:
             log('[exit code: ' + str(retcode) + ']')
-        abort(retcode, context=subprocess.CalledProcessError(retcode, cmd_line))
+        from .mx_unittest import _junit_wrapper_main_class
+        context = None
+        if not _junit_wrapper_main_class in args:
+            context = str(subprocess.CalledProcessError(retcode, cmd_line))
+            max_len = 1024
+            if not _opts.verbose and len(context) > max_len:
+                half = int(max_len / 2)
+                context = f"Truncated {context[:half]} ... {context[-half:]}"
+        abort(retcode, context=context)
 
     return retcode
 

src/mx/_impl/mx_unittest.py

@@ -450,14 +450,15 @@ def add_unittest_argument(*args, **kwargs):
     """
     _extra_unittest_arguments.append((args, kwargs))
 
+_junit_wrapper_main_class = 'com.oracle.mxtool.junit.MxJUnitWrapper'
 
 def _unittest(args, annotations, junit_args, prefixCp="", blacklist=None, whitelist=None, regex=None, suite=None, **extra_args):
     testfile = os.environ.get('MX_TESTFILE', None)
     if testfile is None:
         (_, testfile) = tempfile.mkstemp(".testclasses", "mxtool")
         os.close(_)
 
-    mainClass = 'com.oracle.mxtool.junit.MxJUnitWrapper'
+    mainClass = _junit_wrapper_main_class
     mx.build(['--no-daemon', '--dependencies', 'JUNIT_TOOL'])
     coreCp = mx.classpath(['JUNIT_TOOL'])
 

src/mx/mx_version.py

@@ -1,2 +1,2 @@
 # The version must be updated for every PR (checked in CI) and the comment should reflect the PR's issue
-version = "7.55.3"  # GR-65612
+version = "7.55.4"  # GR-65947: Reduce noise on abort