ci: Reproduce actual TMT run with set -x and search for CI detection

Now reproducing the exact condition from run-tmt.sh (set -exuo pipefail)
and searching TMT's Logger class for any CI detection or auto-debug logic.

Assisted-by: Claude Code (Sonnet 4.5)

Author: cgwalters

.github/workflows/debug-tmt.yml

@@ -48,52 +48,66 @@ jobs:
           echo "=== Python logging configuration ==="
           python3 -c "import logging; print(f'Root logger level: {logging.getLogger().level}')"
 
-      - name: Test TMT with bash -x (mimicking run-tmt.sh)
+      - name: Reproduce actual CI TMT run and check verbosity levels
         run: |
-          echo "=== Test 1: Run tmt WITHOUT bash -x ==="
-          bash -c 'tmt --help 2>&1 | head -5'
+          set -exuo pipefail
 
-          echo ""
-          echo "=== Test 2: Run tmt WITH bash -x (like run-tmt.sh) ==="
-          bash -x -c 'tmt --help 2>&1 | head -5'
+          cd /var/tmp
+          mkdir -p tmt-repro
+          cd tmt-repro
 
-          echo ""
-          echo "=== Test 3: Check if bash -x affects tmt verbosity in actual test run ==="
-          cd /tmp
-          mkdir -p tmt-test
-          cd tmt-test
+          # Create a minimal FMF tree
           mkdir -p .fmf
-          echo 'version: 1' > .fmf/version
+          cat > .fmf/version <<'FMFEOF'
+1
+FMFEOF
 
-          echo "--- Running WITHOUT bash -x ---"
-          bash -c 'tmt run discover --how fmf 2>&1 | head -30'
+          # Create minimal plan
+          mkdir -p tmt
+          cat > tmt/test.fmf <<'FMFEOF'
+summary: Minimal test
+test: echo "hello world"
+FMFEOF
 
-          echo ""
-          echo "--- Running WITH bash -x (like run-tmt.sh does) ---"
-          bash -x -c 'tmt run discover --how fmf 2>&1 | head -30'
+          echo "=== Test 1: Default tmt run (with set -x from this script) ==="
+          tmt run discover --how fmf 2>&1 | head -50 || true
 
           echo ""
-          echo "=== Test 4: Check actual tmt log level in code ==="
+          echo "=== Test 2: Check if TMT detects it's in CI and enables debug ==="
           python3 << 'EOF'
-          import sys
-          sys.path.insert(0, '/home/runner/.local/lib/python3.13/site-packages')
-
-          # Check if tmt has any code that checks for bash trace mode
-          import tmt.cli
-          import tmt.log
-          import inspect
-
-          # Look for environment variable checks
-          cli_source = inspect.getsource(tmt.cli)
-          log_source = inspect.getsource(tmt.log)
-
-          print("Checking for environment variable usage in tmt.cli:")
-          for line_no, line in enumerate(cli_source.split('\n'), 1):
-              if 'environ' in line.lower() or 'getenv' in line.lower():
-                  print(f"  Line {line_no}: {line.strip()}")
-
-          print("\nChecking for environment variable usage in tmt.log:")
-          for line_no, line in enumerate(log_source.split('\n'), 1):
-              if 'environ' in line.lower() or 'getenv' in line.lower():
-                  print(f"  Line {line_no}: {line.strip()}")
-          EOF
+import sys, os
+sys.path.insert(0, '/home/runner/.local/lib/python3.13/site-packages')
+
+# Import TMT and check if it has CI detection logic
+import tmt.log
+import tmt.cli
+import inspect
+
+# Get the Logger class source
+logger_cls_source = inspect.getsource(tmt.log.Logger)
+print("Searching tmt.log.Logger for CI detection or auto-debug logic:")
+for line_no, line in enumerate(logger_cls_source.split('\n'), 1):
+    if any(keyword in line.lower() for keyword in ['ci', 'github', 'actions', 'debug', 'level']):
+        print(f"  Line {line_no}: {line.rstrip()}")
+
+print("\n\n=== Check TMT_DEBUG environment variable ===")
+print(f"TMT_DEBUG={os.environ.get('TMT_DEBUG', '<not set>')}")
+
+print("\n=== Let's manually check what default log level TMT uses ===")
+# Try to instantiate TMT's logger and see what level it uses
+import logging
+
+# Before importing tmt.cli, check current logger levels
+print(f"Root logger level: {logging.getLogger().level}")
+print(f"Root logger effective level: {logging.getLogger().getEffectiveLevel()}")
+
+# Import and check tmt logger
+tmt_logger = logging.getLogger('tmt')
+print(f"TMT logger level: {tmt_logger.level}")
+print(f"TMT logger effective level: {tmt_logger.getEffectiveLevel()}")
+print(f"TMT logger handlers: {tmt_logger.handlers}")
+
+# Check if handlers have different levels
+for handler in tmt_logger.handlers:
+    print(f"  Handler {handler}: level={handler.level}")
+EOF