fixed #13921 - do not perform additional addon lookups with absolute path (danmar#7574)

Author: firewave

lib/addoninfo.cpp

@@ -34,6 +34,10 @@ static std::string getFullPath(const std::string &fileName, const std::string &e
     if (Path::isFile(fileName))
         return fileName;
 
+    const bool is_abs_path = Path::isAbsolute(fileName);
+    if (is_abs_path)
+        return "";
+
     const std::string exepath = Path::getPathFromFilename(exename);
     if (debug)
         std::cout << "looking for addon '" << (exepath + fileName) << "'" << std::endl;

test/cli/lookup_test.py

@@ -620,15 +620,11 @@ def test_addon_lookup_absolute_notfound(tmpdir):
 
     addon_file = os.path.join(tmpdir, 'test.py')
 
-    exitcode, stdout, stderr, exe = cppcheck_ex(['--debug-lookup=addon', '--addon={}'.format(addon_file), test_file])
-    exepath = os.path.dirname(exe)
-    exepath_sep = exepath + os.path.sep
+    exitcode, stdout, stderr = cppcheck(['--debug-lookup=addon', '--addon={}'.format(addon_file), test_file])
     assert exitcode == 1, stdout if stdout else stderr
     lines = stdout.splitlines()
     assert lines == [
         "looking for addon '{}'".format(addon_file),
-        "looking for addon '{}{}'".format(exepath_sep, addon_file),  # TODO: should not perform this lookup
-        "looking for addon '{}addons/{}'".format(exepath_sep, addon_file),  # TODO: should not perform this lookup
         'Did not find addon {}'.format(addon_file)
     ]