Adding upstream version 86.0.1.upstream/86.0.1upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 408 insertions, 0 deletions

diff --git a/tools/lint/eslint/setup_helper.py b/tools/lint/eslint/setup_helper.py
new file mode 100644
index 0000000000..24fd8808b9
--- /dev/null
+++ b/tools/lint/eslint/setup_helper.py
@@ -0,0 +1,408 @@
+# -*- Mode: python; c-basic-offset: 4; indent-tabs-mode: nil; tab-width: 40 -*-
+# vim: set filetype=python:
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+import json
+import os
+import platform
+import re
+import subprocess
+import sys
+from distutils.version import LooseVersion
+from filecmp import dircmp
+
+from mozbuild.nodeutil import (
+    find_node_executable,
+    find_npm_executable,
+    NPM_MIN_VERSION,
+    NODE_MIN_VERSION,
+)
+from mozbuild.util import ensure_subprocess_env
+from mozfile.mozfile import remove as mozfileremove
+
+
+NODE_MACHING_VERSION_NOT_FOUND_MESSAGE = """
+Could not find Node.js executable later than %s.
+
+Executing `mach bootstrap --no-system-changes` should
+install a compatible version in ~/.mozbuild on most platforms.
+""".strip()
+
+NPM_MACHING_VERSION_NOT_FOUND_MESSAGE = """
+Could not find npm executable later than %s.
+
+Executing `mach bootstrap --no-system-changes` should
+install a compatible version in ~/.mozbuild on most platforms.
+""".strip()
+
+NODE_NOT_FOUND_MESSAGE = """
+nodejs is either not installed or is installed to a non-standard path.
+
+Executing `mach bootstrap --no-system-changes` should
+install a compatible version in ~/.mozbuild on most platforms.
+""".strip()
+
+NPM_NOT_FOUND_MESSAGE = """
+Node Package Manager (npm) is either not installed or installed to a
+non-standard path.
+
+Executing `mach bootstrap --no-system-changes` should
+install a compatible version in ~/.mozbuild on most platforms.
+""".strip()
+
+
+VERSION_RE = re.compile(r"^\d+\.\d+\.\d+$")
+CARET_VERSION_RANGE_RE = re.compile(r"^\^((\d+)\.\d+\.\d+)$")
+
+project_root = None
+
+
+def eslint_maybe_setup():
+    """Setup ESLint only if it is needed."""
+    has_issues, needs_clobber = eslint_module_needs_setup()
+
+    if has_issues:
+        eslint_setup(needs_clobber)
+
+
+def eslint_setup(should_clobber=False):
+    """Ensure eslint is optimally configured.
+
+    This command will inspect your eslint configuration and
+    guide you through an interactive wizard helping you configure
+    eslint for optimal use on Mozilla projects.
+    """
+    package_setup(get_project_root(), "eslint", should_clobber=should_clobber)
+
+
+def package_setup(
+    package_root,
+    package_name,
+    should_update=False,
+    should_clobber=False,
+    no_optional=False,
+):
+    """Ensure `package_name` at `package_root` is installed.
+
+    When `should_update` is true, clobber, install, and produce a new
+    "package-lock.json" file.
+
+    This populates `package_root/node_modules`.
+
+    """
+    orig_project_root = get_project_root()
+    orig_cwd = os.getcwd()
+
+    if should_update:
+        should_clobber = True
+
+    try:
+        set_project_root(package_root)
+        sys.path.append(os.path.dirname(__file__))
+
+        # npm sometimes fails to respect cwd when it is run using check_call so
+        # we manually switch folders here instead.
+        project_root = get_project_root()
+        os.chdir(project_root)
+
+        if should_clobber:
+            node_modules_path = os.path.join(project_root, "node_modules")
+            print("Clobbering %s..." % node_modules_path)
+            if sys.platform.startswith("win") and have_winrm():
+                process = subprocess.Popen(["winrm", "-rf", node_modules_path])
+                process.wait()
+            else:
+                mozfileremove(node_modules_path)
+
+        npm_path, _ = find_npm_executable()
+        if not npm_path:
+            return 1
+
+        node_path, _ = find_node_executable()
+        if not node_path:
+            return 1
+
+        extra_parameters = ["--loglevel=error"]
+
+        if no_optional:
+            extra_parameters.append("--no-optional")
+
+        package_lock_json_path = os.path.join(get_project_root(), "package-lock.json")
+
+        if should_update:
+            cmd = [npm_path, "install"]
+            mozfileremove(package_lock_json_path)
+        else:
+            cmd = [npm_path, "ci"]
+
+        # On non-Windows, ensure npm is called via node, as node may not be in the
+        # path.
+        if platform.system() != "Windows":
+            cmd.insert(0, node_path)
+
+        # Ensure that bare `node` and `npm` in scripts, including post-install scripts, finds the
+        # binary we're invoking with.  Without this, it's easy for compiled extensions to get
+        # mismatched versions of the Node.js extension API.
+        extra_parameters.append("--scripts-prepend-node-path")
+
+        cmd.extend(extra_parameters)
+
+        print('Installing %s for mach using "%s"...' % (package_name, " ".join(cmd)))
+        result = call_process(package_name, cmd)
+
+        if not result:
+            return 1
+
+        bin_path = os.path.join(
+            get_project_root(), "node_modules", ".bin", package_name
+        )
+
+        print("\n%s installed successfully!" % package_name)
+        print("\nNOTE: Your local %s binary is at %s\n" % (package_name, bin_path))
+
+    finally:
+        set_project_root(orig_project_root)
+        os.chdir(orig_cwd)
+
+
+def call_process(name, cmd, cwd=None, append_env={}):
+    env = dict(os.environ)
+    env.update(ensure_subprocess_env(append_env))
+
+    try:
+        with open(os.devnull, "w") as fnull:
+            subprocess.check_call(cmd, cwd=cwd, stdout=fnull, env=env)
+    except subprocess.CalledProcessError:
+        if cwd:
+            print("\nError installing %s in the %s folder, aborting." % (name, cwd))
+        else:
+            print("\nError installing %s, aborting." % name)
+
+        return False
+
+    return True
+
+
+def expected_eslint_modules():
+    # Read the expected version of ESLint and external modules
+    expected_modules_path = os.path.join(get_project_root(), "package.json")
+    with open(expected_modules_path, "r", encoding="utf-8") as f:
+        sections = json.load(f)
+        expected_modules = sections.get("dependencies", {})
+        expected_modules.update(sections.get("devDependencies", {}))
+
+    # Also read the in-tree ESLint plugin mozilla information, to ensure the
+    # dependencies are up to date.
+    mozilla_json_path = os.path.join(
+        get_eslint_module_path(), "eslint-plugin-mozilla", "package.json"
+    )
+    with open(mozilla_json_path, "r", encoding="utf-8") as f:
+        expected_modules.update(json.load(f).get("dependencies", {}))
+
+    # Also read the in-tree ESLint plugin spidermonkey information, to ensure the
+    # dependencies are up to date.
+    mozilla_json_path = os.path.join(
+        get_eslint_module_path(), "eslint-plugin-spidermonkey-js", "package.json"
+    )
+    with open(mozilla_json_path, "r", encoding="utf-8") as f:
+        expected_modules.update(json.load(f).get("dependencies", {}))
+
+    return expected_modules
+
+
+def check_eslint_files(node_modules_path, name):
+    def check_file_diffs(dcmp):
+        # Diff files only looks at files that are different. Not for files
+        # that are only present on one side. This should be generally OK as
+        # new files will need to be added in the index.js for the package.
+        if dcmp.diff_files and dcmp.diff_files != ["package.json"]:
+            return True
+
+        result = False
+
+        # Again, we only look at common sub directories for the same reason
+        # as above.
+        for sub_dcmp in dcmp.subdirs.values():
+            result = result or check_file_diffs(sub_dcmp)
+
+        return result
+
+    dcmp = dircmp(
+        os.path.join(node_modules_path, name),
+        os.path.join(get_eslint_module_path(), name),
+    )
+
+    return check_file_diffs(dcmp)
+
+
+def eslint_module_needs_setup():
+    has_issues = False
+    needs_clobber = False
+    node_modules_path = os.path.join(get_project_root(), "node_modules")
+
+    for name, expected_data in expected_eslint_modules().items():
+        # expected_eslint_modules returns a string for the version number of
+        # dependencies for installation of eslint generally, and an object
+        # for our in-tree plugins (which contains the entire module info).
+        if "version" in expected_data:
+            version_range = expected_data["version"]
+        else:
+            version_range = expected_data
+
+        path = os.path.join(node_modules_path, name, "package.json")
+
+        if not os.path.exists(path):
+            print("%s v%s needs to be installed locally." % (name, version_range))
+            has_issues = True
+            continue
+        data = json.load(open(path, encoding="utf-8"))
+
+        if version_range.startswith("file:"):
+            # We don't need to check local file installations for versions, as
+            # these are symlinked, so we'll always pick up the latest.
+            continue
+
+        if name == "eslint" and LooseVersion("4.0.0") > LooseVersion(data["version"]):
+            print("ESLint is an old version, clobbering node_modules directory")
+            needs_clobber = True
+            has_issues = True
+            continue
+
+        if not version_in_range(data["version"], version_range):
+            print("%s v%s should be v%s." % (name, data["version"], version_range))
+            has_issues = True
+            continue
+
+    return has_issues, needs_clobber
+
+
+def version_in_range(version, version_range):
+    """
+    Check if a module version is inside a version range.  Only supports explicit versions and
+    caret ranges for the moment, since that's all we've used so far.
+    """
+    if version == version_range:
+        return True
+
+    version_match = VERSION_RE.match(version)
+    if not version_match:
+        raise RuntimeError("mach eslint doesn't understand module version %s" % version)
+    version = LooseVersion(version)
+
+    # Caret ranges as specified by npm allow changes that do not modify the left-most non-zero
+    # digit in the [major, minor, patch] tuple.  The code below assumes the major digit is
+    # non-zero.
+    range_match = CARET_VERSION_RANGE_RE.match(version_range)
+    if range_match:
+        range_version = range_match.group(1)
+        range_major = int(range_match.group(2))
+
+        range_min = LooseVersion(range_version)
+        range_max = LooseVersion("%d.0.0" % (range_major + 1))
+
+        return range_min <= version < range_max
+
+    return False
+
+
+def get_possible_node_paths_win():
+    """
+    Return possible nodejs paths on Windows.
+    """
+    if platform.system() != "Windows":
+        return []
+
+    return list(
+        {
+            "%s\\nodejs" % os.environ.get("SystemDrive"),
+            os.path.join(os.environ.get("ProgramFiles"), "nodejs"),
+            os.path.join(os.environ.get("PROGRAMW6432"), "nodejs"),
+            os.path.join(os.environ.get("PROGRAMFILES"), "nodejs"),
+        }
+    )
+
+
+def get_version(path):
+    try:
+        version_str = subprocess.check_output(
+            [path, "--version"], stderr=subprocess.STDOUT, universal_newlines=True
+        )
+        return version_str
+    except (subprocess.CalledProcessError, OSError):
+        return None
+
+
+def set_project_root(root=None):
+    """Sets the project root to the supplied path, or works out what the root
+    is based on looking for 'mach'.
+
+    Keyword arguments:
+    root - (optional) The path to set the root to.
+    """
+    global project_root
+
+    if root:
+        project_root = root
+        return
+
+    file_found = False
+    folder = os.getcwd()
+
+    while folder:
+        if os.path.exists(os.path.join(folder, "mach")):
+            file_found = True
+            break
+        else:
+            folder = os.path.dirname(folder)
+
+    if file_found:
+        project_root = os.path.abspath(folder)
+
+
+def get_project_root():
+    """Returns the absolute path to the root of the project, see set_project_root()
+    for how this is determined.
+    """
+    global project_root
+
+    if not project_root:
+        set_project_root()
+
+    return project_root
+
+
+def get_eslint_module_path():
+    return os.path.join(get_project_root(), "tools", "lint", "eslint")
+
+
+def check_node_executables_valid():
+    node_path, version = find_node_executable()
+    if not node_path:
+        print(NODE_NOT_FOUND_MESSAGE)
+        return False
+    if not version:
+        print(NODE_MACHING_VERSION_NOT_FOUND_MESSAGE % NODE_MIN_VERSION)
+        return False
+
+    npm_path, version = find_npm_executable()
+    if not npm_path:
+        print(NPM_NOT_FOUND_MESSAGE)
+        return False
+    if not version:
+        print(NPM_MACHING_VERSION_NOT_FOUND_MESSAGE % NPM_MIN_VERSION)
+        return False
+
+    return True
+
+
+def have_winrm():
+    # `winrm -h` should print 'winrm version ...' and exit 1
+    try:
+        p = subprocess.Popen(
+            ["winrm.exe", "-h"], stdout=subprocess.PIPE, stderr=subprocess.STDOUT
+        )
+        return p.wait() == 1 and p.stdout.read().startswith("winrm")
+    except Exception:
+        return False