clang/utils/analyzer/SATestUpdateDiffs.py

   1 #!/usr/bin/env python
   2
   3 """
   4 Update reference results for static analyzer.
   5 """
   6 import SATestBuild
   7 from ProjectMap import ProjectInfo, ProjectMap
   8
   9 import os
  10 import shutil
  11 import sys
  12
  13 from subprocess import check_call
  14
  15 Verbose = 0
  16
  17
  18 def update_reference_results(project: ProjectInfo, git: bool = False):
  19     test_info = SATestBuild.TestInfo(project)
  20     tester = SATestBuild.ProjectTester(test_info)
  21     project_dir = tester.get_project_dir()
  22
  23     tester.is_reference_build = True
  24     ref_results_path = tester.get_output_dir()
  25
  26     tester.is_reference_build = False
  27     created_results_path = tester.get_output_dir()
  28
  29     if not os.path.exists(created_results_path):
  30         print(f"Skipping project '{project.name}', "
  31               f"it doesn't have newer results.",
  32               file=sys.stderr)
  33         return
  34
  35     build_log_path = SATestBuild.get_build_log_path(ref_results_path)
  36     build_log_dir = os.path.dirname(os.path.abspath(build_log_path))
  37
  38     os.makedirs(build_log_dir)
  39
  40     with open(build_log_path, "w+") as build_log_file:
  41         def run_cmd(command: str):
  42             if Verbose:
  43                 print(f"Executing {command}")
  44             check_call(command, shell=True, stdout=build_log_file)
  45
  46         # Remove reference results: in git, and then again for a good measure
  47         # with rm, as git might not remove things fully if there are empty
  48         # directories involved.
  49         if git:
  50             run_cmd(f"git rm -r -q '{ref_results_path}'")
  51         shutil.rmtree(ref_results_path)
  52
  53         # Replace reference results with a freshly computed once.
  54         shutil.copytree(created_results_path, ref_results_path, symlinks=True)
  55
  56         # Run cleanup script.
  57         SATestBuild.run_cleanup_script(project_dir, build_log_file)
  58
  59         SATestBuild.normalize_reference_results(
  60             project_dir, ref_results_path, project.mode)
  61
  62         # Clean up the generated difference results.
  63         SATestBuild.cleanup_reference_results(ref_results_path)
  64
  65         if git:
  66             run_cmd(f"git add '{ref_results_path}'")
  67
  68
  69 if __name__ == "__main__":
  70     print("SATestUpdateDiffs.py should not be used on its own.")
  71     print("Please use 'SATest.py update' instead")
  72     sys.exit(1)