1635742 - `./mach static-analysis check --checks="-*, mozilla-can-run-script" path/to/SomeFile.cpp` fails

Status: RESOLVED FIXED

(Developer Infrastructure :: Source Code Analysis, defect)

Description

[Mirko Brodesser (:mbrodesser-Igalia)]

$ ./mach static-analysis check --checks="-*, mozilla-can-run-script" layout/generic/nsFrameSelection.cpp
Looks like a clang compilation database has not been created yet, creating it now...
 0:00.71 /home/mirko/src/firefox/gecko/obj-x86_64-pc-linux-gnu-debug/_virtualenvs/init/bin/python /home/mirko/src/firefox/gecko/obj-x86_64-pc-linux-gnu-debug/config.status --backend CompileDB
Error running mach:

    ['static-analysis', 'check', '--checks=-*, mozilla-can-run-script', 'layout/generic/nsFrameSelection.cpp']

[...]

The details of the failure are as follows:

OSError: [Errno 2] No such file or directory

  File "/home/mirko/src/firefox/gecko/python/mozbuild/mozbuild/code-analysis/mach_commands.py", line 248, in check
    rc = self._build_compile_db(verbose=verbose)
  File "/home/mirko/src/firefox/gecko/python/mozbuild/mozbuild/code-analysis/mach_commands.py", line 1896, in _build_compile_db
    rc = builder.build_backend(['CompileDB'], verbose=verbose)
  File "/home/mirko/src/firefox/gecko/python/mozbuild/mozbuild/build_commands.py", line 230, in build_backend
    ensure_exit_code=False)
  File "/home/mirko/src/firefox/gecko/python/mozbuild/mozbuild/base.py", line 822, in _run_command_in_objdir
    return self.run_process(cwd=self.topobjdir, **args)
  File "/home/mirko/src/firefox/gecko/python/mach/mach/mixin/process.py", line 119, in run_process
    proc = subprocess.Popen(args, cwd=cwd, env=use_env)
  File "/usr/lib/python2.7/subprocess.py", line 394, in __init__
    errread, errwrite)
  File "/usr/lib/python2.7/subprocess.py", line 1047, in _execute_child
    raise child_exception

Comment 1

[BugBot [:suhaib / :marco/ :calixte]]

Bugbug thinks this bug should belong to this component, but please revert this change in case of error.

Comment 2

[Andi [:andi]]

This has been fixed, it was fallout of the migration to python3 and the fact that the virtualenv for python2 was not automatically set.