<h2>Edit File: flatpak-coredumpctl</h2><form method="post"><textarea name="content" rows="20" cols="80">#!/usr/bin/python3
import argparse
import re
import shutil
import sys
import subprocess
import shlex
import tempfile


class CoreDumper():
    def __init__(self):
        self.build_directory = None
        self.app = None
        self.coredumpctl_matches = &quot;&quot;
        self.extra_flatpak_args = &quot;&quot;
        self.gdb_arguments = &quot;&quot;

    def clean_args(self):
        if not self.build_directory and not self.app:
            print(&quot;Either `--build-directory` or `APP` must be specified.&quot;,
                file=sys.stderr)
            return False

        return True

    def run(self):
        if not shutil.which(&#039;coredumpctl&#039;):
            print(&quot;&#039;coredumpctl&#039; not present on the system, can&#039;t run.&quot;,
                  file=sys.stderr)
            sys.exit(1)

        # We need access to the host from the sandbox to run.
        flatpak_command = [&quot;flatpak&quot;, &quot;build&quot; if self.build_directory else &quot;run&quot;, &quot;--filesystem=home&quot;,
                           &quot;--filesystem=%s&quot; % tempfile.gettempdir()] + shlex.split(self.extra_flatpak_args)
        if not self.build_directory:
            flatpak_command.extend([&quot;--command=gdb&quot;,
                                    &#039;--devel&#039;, self.app])
        else:
            flatpak_command.extend([self.build_directory, &quot;gdb&quot;])

        with tempfile.NamedTemporaryFile() as coredump:
            with tempfile.NamedTemporaryFile() as stderr:
                subprocess.check_call([&quot;coredumpctl&quot;, &quot;dump&quot;] + shlex.split(self.coredumpctl_matches),
                                      stdout=coredump, stderr=stderr)

                with open(stderr.name, &#039;r&#039;) as stderrf:
                    stderr = stderrf.read()
                executable, = re.findall(&quot;.*Executable: (.*)&quot;, stderr)
                if not executable.startswith(&quot;/newroot&quot;):
                    print(&quot;Executable %s doesn&#039;t seem to be a flatpaked application.&quot; % executable,
                        file=sys.stderr)
                executable = executable.replace(&quot;/newroot&quot;, &quot;&quot;)
                flatpak_command.extend([executable, coredump.name])
                flatpak_command.extend(shlex.split(self.gdb_arguments))

                print(&#039;Running: `&quot;%s&quot;`&#039; % &#039;&quot; &quot;&#039;.join(flatpak_command))
                subprocess.check_call(flatpak_command)


if __name__ == &quot;__main__&quot;:
    parser = argparse.ArgumentParser(
        &quot;Debug in gdb an application that crashed inside flatpak.&quot;
        &quot; It uses (and thus requires) coredumpctl to retrieve the coredump file.&quot;)
    parser.add_argument(&#039;-b&#039;, &#039;--build-directory&#039;, default=None,
                        help=&quot;The build directory to use. It allows you to retrieve a coredump&quot;
                        &quot; for applications being built&quot;)
    parser.add_argument(&#039;--extra-flatpak-args&#039;, default=&quot;&quot;,
                        help=&quot;Extra argument to pass to flatpak&quot;)
    parser.add_argument(&#039;app&#039;, nargs=&#039;?&#039;,
                        help=&#039;The flatpak application to use. eg. `org.gnome.Epiphany//3.28`.&#039;)
    parser.add_argument(&#039;-m&#039;, &#039;--coredumpctl-matches&#039;, default=&quot;&quot;, nargs=&quot;?&quot;,
                        help=&#039;Coredumpctl matches, see `man coredumpctl` for more information.&#039;)
    parser.add_argument(&#039;--gdb-arguments&#039;, default=&quot;&quot;,
                        help=&#039;Arguments to pass to gdb.&#039;)

    coredumper = CoreDumper()
    options = parser.parse_args(namespace=coredumper)
    if not coredumper.clean_args():
        parser.print_help()
        sys.exit(1)

    coredumper.run()
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