Pylint Error Handling

Corrected error handling, check-lint now displays
correct exit codes on exit instead of only displaying
the last executed commands exit code, keeps track of all failures
and displays correct exit code if any failures were present.

Reference:     #11
Signed-off-by: Harvey Lynden <[email protected]>

check-lint

@@ -14,6 +14,9 @@ ALL_FILES=$(git ls-files '*.py')
 # Initialize an array to store files checked with custom configs
 checked_files=()
 
+# Initialize an overall exit status to track pylint failures
+overall_exit_status=0
+
 # Check if the avocado-static-checks.conf file exists
 if [ -f "$CONFIG_FILE" ]; then
     echo "Found configuration file: $CONFIG_FILE"
@@ -74,6 +77,12 @@ if [ -f "$CONFIG_FILE" ]; then
                 echo "** Running $TOOL_NAME on directory '$DIRECTORY_PATH' with config from '$CONFIG_PATH'..."
                 $TOOL_CMD --rcfile="$BASE_DIR/../$CONFIG_PATH" $FILES
 
+                # Capture the exit code
+                exit_code=$?
+                if [ $exit_code -ne 0 ]; then
+                    overall_exit_status=1  # Set to 1 if there were any issues
+                fi
+
                 # Add the files to the custom config list
                 for file in $FILES; do
                     checked_files+=("$file")
@@ -85,7 +94,14 @@ else
     # If the configuration file does not exist, print a message and use default config for all files
     echo "Configuration file '$CONFIG_FILE' not found. Running $TOOL_NAME with default config on all files..."
     $TOOL_CMD --rcfile="$DEFAULT_CONFIG_PATH" $ALL_FILES
-    exit 0
+
+    # Capture the exit code
+    exit_code=$?
+    if [ $exit_code -ne 0 ]; then
+        overall_exit_status=1  # Set to 1 if there were any issues
+    fi
+
+    exit $overall_exit_status
 fi
 
 # Calculate remaining files that weren't checked with a custom config
@@ -100,4 +116,13 @@ done
 if [ ${#remaining_files[@]} -gt 0 ]; then
     echo "** Running $TOOL_NAME with default config on remaining files..."
     $TOOL_CMD --rcfile="$DEFAULT_CONFIG_PATH" "${remaining_files[@]}"
+
+    # Capture the exit code
+    exit_code=$?
+    if [ $exit_code -ne 0 ]; then
+        overall_exit_status=1
+    fi
 fi
+
+# Exit with the overall exit status
+exit $overall_exit_status