4 files changed, 356 insertions, 0 deletions
diff --git a/tools/lint/rst.yml b/tools/lint/rst.yml
new file mode 100644
index 0000000000..3f35fe7def
--- /dev/null
+++ b/tools/lint/rst.yml
@@ -0,0 +1,11 @@
+---
+rst:
+    description: RST linter
+    include: [.]
+    extensions:
+        - rst
+    support-files:
+        - 'tools/lint/rst/**'
+    type: external
+    payload: rst:lint
+    setup: rst:setup
diff --git a/tools/lint/rst/__init__.py b/tools/lint/rst/__init__.py
new file mode 100644
index 0000000000..7151c09a59
--- /dev/null
+++ b/tools/lint/rst/__init__.py
@@ -0,0 +1,116 @@
+# 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 os
+import re
+import subprocess
+
+from mozfile import which
+from mozlint import result
+from mozlint.pathutils import expand_exclusions
+
+# Error Levels
+# (0, 'debug')
+# (1, 'info')
+# (2, 'warning')
+# (3, 'error')
+# (4, 'severe')
+
+abspath = os.path.abspath(os.path.dirname(__file__))
+rstcheck_requirements_file = os.path.join(abspath, "requirements.txt")
+
+results = []
+
+RSTCHECK_NOT_FOUND = """
+Could not find rstcheck! Install rstcheck and try again.
+
+    $ pip install -U --require-hashes -r {}
+""".strip().format(
+    rstcheck_requirements_file
+)
+
+RSTCHECK_INSTALL_ERROR = """
+Unable to install required version of rstcheck
+Try to install it manually with:
+    $ pip install -U --require-hashes -r {}
+""".strip().format(
+    rstcheck_requirements_file
+)
+
+RSTCHECK_FORMAT_REGEX = re.compile(r"(.*):(.*): \(.*/([0-9]*)\) (.*)$")
+IGNORE_NOT_REF_LINK_UPSTREAM_BUG = re.compile(
+    r"Hyperlink target (.*) is not referenced."
+)
+
+
+def setup(root, **lintargs):
+    virtualenv_manager = lintargs["virtualenv_manager"]
+    try:
+        virtualenv_manager.install_pip_requirements(
+            rstcheck_requirements_file, quiet=True
+        )
+    except subprocess.CalledProcessError:
+        print(RSTCHECK_INSTALL_ERROR)
+        return 1
+
+
+def get_rstcheck_binary():
+    """
+    Returns the path of the first rstcheck binary available
+    if not found returns None
+    """
+    binary = os.environ.get("RSTCHECK")
+    if binary:
+        return binary
+
+    return which("rstcheck")
+
+
+def parse_with_split(errors):
+    match = RSTCHECK_FORMAT_REGEX.match(errors)
+    filename, lineno, level, message = match.groups()
+
+    return filename, lineno, level, message
+
+
+def lint(files, config, **lintargs):
+    log = lintargs["log"]
+    config["root"] = lintargs["root"]
+    paths = expand_exclusions(files, config, config["root"])
+    paths = list(paths)
+    chunk_size = 50
+    binary = get_rstcheck_binary()
+    rstcheck_options = [
+        "--ignore-language=cpp,json",
+        "--ignore-roles=searchfox",
+    ]
+
+    while paths:
+        cmdargs = [which("python"), binary] + rstcheck_options + paths[:chunk_size]
+        log.debug("Command: {}".format(" ".join(cmdargs)))
+
+        proc = subprocess.Popen(
+            cmdargs,
+            stdout=subprocess.PIPE,
+            stderr=subprocess.PIPE,
+            env=os.environ,
+            universal_newlines=True,
+        )
+        all_errors = proc.communicate()[1]
+        for errors in all_errors.split("\n"):
+            if len(errors) > 1:
+                filename, lineno, level, message = parse_with_split(errors)
+                if not IGNORE_NOT_REF_LINK_UPSTREAM_BUG.match(message):
+                    # Ignore an upstream bug
+                    # https://github.com/myint/rstcheck/issues/19
+                    res = {
+                        "path": filename,
+                        "message": message,
+                        "lineno": lineno,
+                        "level": "error" if int(level) >= 2 else "warning",
+                    }
+                    results.append(result.from_config(config, **res))
+        paths = paths[chunk_size:]
+
+    return results
diff --git a/tools/lint/rst/requirements.in b/tools/lint/rst/requirements.in
new file mode 100644
index 0000000000..ea24fde591
--- /dev/null
+++ b/tools/lint/rst/requirements.in
@@ -0,0 +1,19 @@
+alabaster==0.7.13
+charset-normalizer==2.0.12
+docutils==0.17.1
+idna==2.10
+imagesize==1.4.1
+importlib-metadata==6.0.0
+markupsafe==2.0.1
+packaging==20.9
+requests==2.27.1
+snowballstemmer==2.2.0
+sphinxcontrib-applehelp==1.0.2
+sphinxcontrib-htmlhelp==2.0.0
+sphinxcontrib-mermaid==0.8.1
+rstcheck==3.5.0
+Pygments==2.14.0
+pytz==2022.7.1
+urllib3==1.26.9
+# We need sphinx to avoid some rstcheck errors and warnings
+Sphinx==5.1.1
diff --git a/tools/lint/rst/requirements.txt b/tools/lint/rst/requirements.txt
new file mode 100644
index 0000000000..568da2401a
--- /dev/null
+++ b/tools/lint/rst/requirements.txt
@@ -0,0 +1,210 @@
+#
+# This file is autogenerated by pip-compile with Python 3.10
+# by the following command:
+#
+#    pip-compile --generate-hashes ./tools/lint/rst/requirements.in
+#
+alabaster==0.7.13 \
+    --hash=sha256:1ee19aca801bbabb5ba3f5f258e4422dfa86f82f3e9cefb0859b283cdd7f62a3 \
+    --hash=sha256:a27a4a084d5e690e16e01e03ad2b2e552c61a65469419b907243193de1a84ae2
+    # via
+    #   -r ./tools/lint/rst/requirements.in
+    #   sphinx
+babel==2.12.1 \
+    --hash=sha256:b4246fb7677d3b98f501a39d43396d3cafdc8eadb045f4a31be01863f655c610 \
+    --hash=sha256:cc2d99999cd01d44420ae725a21c9e3711b3aadc7976d6147f622d8581963455
+    # via sphinx
+certifi==2022.12.7 \
+    --hash=sha256:35824b4c3a97115964b408844d64aa14db1cc518f6562e8d7261699d1350a9e3 \
+    --hash=sha256:4ad3232f5e926d6718ec31cfc1fcadfde020920e278684144551c91769c7bc18
+    # via requests
+charset-normalizer==2.0.12 \
+    --hash=sha256:2857e29ff0d34db842cd7ca3230549d1a697f96ee6d3fb071cfa6c7393832597 \
+    --hash=sha256:6881edbebdb17b39b4eaaa821b438bf6eddffb4468cf344f09f89def34a8b1df
+    # via
+    #   -r ./tools/lint/rst/requirements.in
+    #   requests
+docutils==0.17.1 \
+    --hash=sha256:686577d2e4c32380bb50cbb22f575ed742d58168cee37e99117a854bcd88f125 \
+    --hash=sha256:cf316c8370a737a022b72b56874f6602acf974a37a9fba42ec2876387549fc61
+    # via
+    #   -r ./tools/lint/rst/requirements.in
+    #   rstcheck
+    #   sphinx
+idna==2.10 \
+    --hash=sha256:b307872f855b18632ce0c21c5e45be78c0ea7ae4c15c828c20788b26921eb3f6 \
+    --hash=sha256:b97d804b1e9b523befed77c48dacec60e6dcb0b5391d57af6a65a312a90648c0
+    # via
+    #   -r ./tools/lint/rst/requirements.in
+    #   requests
+imagesize==1.4.1 \
+    --hash=sha256:0d8d18d08f840c19d0ee7ca1fd82490fdc3729b7ac93f49870406ddde8ef8d8b \
+    --hash=sha256:69150444affb9cb0d5cc5a92b3676f0b2fb7cd9ae39e947a5e11a36b4497cd4a
+    # via
+    #   -r ./tools/lint/rst/requirements.in
+    #   sphinx
+importlib-metadata==6.0.0 \
+    --hash=sha256:7efb448ec9a5e313a57655d35aa54cd3e01b7e1fbcf72dce1bf06119420f5bad \
+    --hash=sha256:e354bedeb60efa6affdcc8ae121b73544a7aa74156d047311948f6d711cd378d
+    # via
+    #   -r ./tools/lint/rst/requirements.in
+    #   sphinx
+jinja2==3.1.2 \
+    --hash=sha256:31351a702a408a9e7595a8fc6150fc3f43bb6bf7e319770cbc0db9df9437e852 \
+    --hash=sha256:6088930bfe239f0e6710546ab9c19c9ef35e29792895fed6e6e31a023a182a61
+    # via sphinx
+markupsafe==2.0.1 \
+    --hash=sha256:01a9b8ea66f1658938f65b93a85ebe8bc016e6769611be228d797c9d998dd298 \
+    --hash=sha256:023cb26ec21ece8dc3907c0e8320058b2e0cb3c55cf9564da612bc325bed5e64 \
+    --hash=sha256:0446679737af14f45767963a1a9ef7620189912317d095f2d9ffa183a4d25d2b \
+    --hash=sha256:04635854b943835a6ea959e948d19dcd311762c5c0c6e1f0e16ee57022669194 \
+    --hash=sha256:0717a7390a68be14b8c793ba258e075c6f4ca819f15edfc2a3a027c823718567 \
+    --hash=sha256:0955295dd5eec6cb6cc2fe1698f4c6d84af2e92de33fbcac4111913cd100a6ff \
+    --hash=sha256:0d4b31cc67ab36e3392bbf3862cfbadac3db12bdd8b02a2731f509ed5b829724 \
+    --hash=sha256:10f82115e21dc0dfec9ab5c0223652f7197feb168c940f3ef61563fc2d6beb74 \
+    --hash=sha256:168cd0a3642de83558a5153c8bd34f175a9a6e7f6dc6384b9655d2697312a646 \
+    --hash=sha256:1d609f577dc6e1aa17d746f8bd3c31aa4d258f4070d61b2aa5c4166c1539de35 \
+    --hash=sha256:1f2ade76b9903f39aa442b4aadd2177decb66525062db244b35d71d0ee8599b6 \
+    --hash=sha256:20dca64a3ef2d6e4d5d615a3fd418ad3bde77a47ec8a23d984a12b5b4c74491a \
+    --hash=sha256:2a7d351cbd8cfeb19ca00de495e224dea7e7d919659c2841bbb7f420ad03e2d6 \
+    --hash=sha256:2d7d807855b419fc2ed3e631034685db6079889a1f01d5d9dac950f764da3dad \
+    --hash=sha256:2ef54abee730b502252bcdf31b10dacb0a416229b72c18b19e24a4509f273d26 \
+    --hash=sha256:36bc903cbb393720fad60fc28c10de6acf10dc6cc883f3e24ee4012371399a38 \
+    --hash=sha256:37205cac2a79194e3750b0af2a5720d95f786a55ce7df90c3af697bfa100eaac \
+    --hash=sha256:3c112550557578c26af18a1ccc9e090bfe03832ae994343cfdacd287db6a6ae7 \
+    --hash=sha256:3dd007d54ee88b46be476e293f48c85048603f5f516008bee124ddd891398ed6 \
+    --hash=sha256:4296f2b1ce8c86a6aea78613c34bb1a672ea0e3de9c6ba08a960efe0b0a09047 \
+    --hash=sha256:47ab1e7b91c098ab893b828deafa1203de86d0bc6ab587b160f78fe6c4011f75 \
+    --hash=sha256:49e3ceeabbfb9d66c3aef5af3a60cc43b85c33df25ce03d0031a608b0a8b2e3f \
+    --hash=sha256:4dc8f9fb58f7364b63fd9f85013b780ef83c11857ae79f2feda41e270468dd9b \
+    --hash=sha256:4efca8f86c54b22348a5467704e3fec767b2db12fc39c6d963168ab1d3fc9135 \
+    --hash=sha256:53edb4da6925ad13c07b6d26c2a852bd81e364f95301c66e930ab2aef5b5ddd8 \
+    --hash=sha256:5855f8438a7d1d458206a2466bf82b0f104a3724bf96a1c781ab731e4201731a \
+    --hash=sha256:594c67807fb16238b30c44bdf74f36c02cdf22d1c8cda91ef8a0ed8dabf5620a \
+    --hash=sha256:5b6d930f030f8ed98e3e6c98ffa0652bdb82601e7a016ec2ab5d7ff23baa78d1 \
+    --hash=sha256:5bb28c636d87e840583ee3adeb78172efc47c8b26127267f54a9c0ec251d41a9 \
+    --hash=sha256:60bf42e36abfaf9aff1f50f52644b336d4f0a3fd6d8a60ca0d054ac9f713a864 \
+    --hash=sha256:611d1ad9a4288cf3e3c16014564df047fe08410e628f89805e475368bd304914 \
+    --hash=sha256:6300b8454aa6930a24b9618fbb54b5a68135092bc666f7b06901f897fa5c2fee \
+    --hash=sha256:63f3268ba69ace99cab4e3e3b5840b03340efed0948ab8f78d2fd87ee5442a4f \
+    --hash=sha256:6557b31b5e2c9ddf0de32a691f2312a32f77cd7681d8af66c2692efdbef84c18 \
+    --hash=sha256:693ce3f9e70a6cf7d2fb9e6c9d8b204b6b39897a2c4a1aa65728d5ac97dcc1d8 \
+    --hash=sha256:6a7fae0dd14cf60ad5ff42baa2e95727c3d81ded453457771d02b7d2b3f9c0c2 \
+    --hash=sha256:6c4ca60fa24e85fe25b912b01e62cb969d69a23a5d5867682dd3e80b5b02581d \
+    --hash=sha256:6fcf051089389abe060c9cd7caa212c707e58153afa2c649f00346ce6d260f1b \
+    --hash=sha256:7d91275b0245b1da4d4cfa07e0faedd5b0812efc15b702576d103293e252af1b \
+    --hash=sha256:89c687013cb1cd489a0f0ac24febe8c7a666e6e221b783e53ac50ebf68e45d86 \
+    --hash=sha256:8d206346619592c6200148b01a2142798c989edcb9c896f9ac9722a99d4e77e6 \
+    --hash=sha256:905fec760bd2fa1388bb5b489ee8ee5f7291d692638ea5f67982d968366bef9f \
+    --hash=sha256:97383d78eb34da7e1fa37dd273c20ad4320929af65d156e35a5e2d89566d9dfb \
+    --hash=sha256:984d76483eb32f1bcb536dc27e4ad56bba4baa70be32fa87152832cdd9db0833 \
+    --hash=sha256:99df47edb6bda1249d3e80fdabb1dab8c08ef3975f69aed437cb69d0a5de1e28 \
+    --hash=sha256:9f02365d4e99430a12647f09b6cc8bab61a6564363f313126f775eb4f6ef798e \
+    --hash=sha256:a30e67a65b53ea0a5e62fe23682cfe22712e01f453b95233b25502f7c61cb415 \
+    --hash=sha256:ab3ef638ace319fa26553db0624c4699e31a28bb2a835c5faca8f8acf6a5a902 \
+    --hash=sha256:aca6377c0cb8a8253e493c6b451565ac77e98c2951c45f913e0b52facdcff83f \
+    --hash=sha256:add36cb2dbb8b736611303cd3bfcee00afd96471b09cda130da3581cbdc56a6d \
+    --hash=sha256:b2f4bf27480f5e5e8ce285a8c8fd176c0b03e93dcc6646477d4630e83440c6a9 \
+    --hash=sha256:b7f2d075102dc8c794cbde1947378051c4e5180d52d276987b8d28a3bd58c17d \
+    --hash=sha256:baa1a4e8f868845af802979fcdbf0bb11f94f1cb7ced4c4b8a351bb60d108145 \
+    --hash=sha256:be98f628055368795d818ebf93da628541e10b75b41c559fdf36d104c5787066 \
+    --hash=sha256:bf5d821ffabf0ef3533c39c518f3357b171a1651c1ff6827325e4489b0e46c3c \
+    --hash=sha256:c47adbc92fc1bb2b3274c4b3a43ae0e4573d9fbff4f54cd484555edbf030baf1 \
+    --hash=sha256:cdfba22ea2f0029c9261a4bd07e830a8da012291fbe44dc794e488b6c9bb353a \
+    --hash=sha256:d6c7ebd4e944c85e2c3421e612a7057a2f48d478d79e61800d81468a8d842207 \
+    --hash=sha256:d7f9850398e85aba693bb640262d3611788b1f29a79f0c93c565694658f4071f \
+    --hash=sha256:d8446c54dc28c01e5a2dbac5a25f071f6653e6e40f3a8818e8b45d790fe6ef53 \
+    --hash=sha256:deb993cacb280823246a026e3b2d81c493c53de6acfd5e6bfe31ab3402bb37dd \
+    --hash=sha256:e0f138900af21926a02425cf736db95be9f4af72ba1bb21453432a07f6082134 \
+    --hash=sha256:e9936f0b261d4df76ad22f8fee3ae83b60d7c3e871292cd42f40b81b70afae85 \
+    --hash=sha256:f0567c4dc99f264f49fe27da5f735f414c4e7e7dd850cfd8e69f0862d7c74ea9 \
+    --hash=sha256:f5653a225f31e113b152e56f154ccbe59eeb1c7487b39b9d9f9cdb58e6c79dc5 \
+    --hash=sha256:f826e31d18b516f653fe296d967d700fddad5901ae07c622bb3705955e1faa94 \
+    --hash=sha256:f8ba0e8349a38d3001fae7eadded3f6606f0da5d748ee53cc1dab1d6527b9509 \
+    --hash=sha256:f9081981fe268bd86831e5c75f7de206ef275defcb82bc70740ae6dc507aee51 \
+    --hash=sha256:fa130dd50c57d53368c9d59395cb5526eda596d3ffe36666cd81a44d56e48872
+    # via
+    #   -r ./tools/lint/rst/requirements.in
+    #   jinja2
+packaging==20.9 \
+    --hash=sha256:5b327ac1320dc863dca72f4514ecc086f31186744b84a230374cc1fd776feae5 \
+    --hash=sha256:67714da7f7bc052e064859c05c595155bd1ee9f69f76557e21f051443c20947a
+    # via
+    #   -r ./tools/lint/rst/requirements.in
+    #   sphinx
+pygments==2.14.0 \
+    --hash=sha256:b3ed06a9e8ac9a9aae5a6f5dbe78a8a58655d17b43b93c078f094ddc476ae297 \
+    --hash=sha256:fa7bd7bd2771287c0de303af8bfdfc731f51bd2c6a47ab69d117138893b82717
+    # via
+    #   -r ./tools/lint/rst/requirements.in
+    #   sphinx
+pyparsing==3.0.9 \
+    --hash=sha256:2b020ecf7d21b687f219b71ecad3631f644a47f01403fa1d1036b0c6416d70fb \
+    --hash=sha256:5026bae9a10eeaefb61dab2f09052b9f4307d44aee4eda64b309723d8d206bbc
+    # via packaging
+pytz==2022.7.1 \
+    --hash=sha256:01a0681c4b9684a28304615eba55d1ab31ae00bf68ec157ec3708a8182dbbcd0 \
+    --hash=sha256:78f4f37d8198e0627c5f1143240bb0206b8691d8d7ac6d78fee88b78733f8c4a
+    # via -r ./tools/lint/rst/requirements.in
+requests==2.27.1 \
+    --hash=sha256:68d7c56fd5a8999887728ef304a6d12edc7be74f1cfa47714fc8b414525c9a61 \
+    --hash=sha256:f22fa1e554c9ddfd16e6e41ac79759e17be9e492b3587efa038054674760e72d
+    # via
+    #   -r ./tools/lint/rst/requirements.in
+    #   sphinx
+rstcheck==3.5.0 \
+    --hash=sha256:30c36768c4bd617a85ab93c31facaf410582e53803fde624845eb00c1430070c \
+    --hash=sha256:d4b035300b7d898403544f38c3a4980171ce85f487d25e188347bbafb6ee58c0
+    # via -r ./tools/lint/rst/requirements.in
+snowballstemmer==2.2.0 \
+    --hash=sha256:09b16deb8547d3412ad7b590689584cd0fe25ec8db3be37788be3810cbf19cb1 \
+    --hash=sha256:c8e1716e83cc398ae16824e5572ae04e0d9fc2c6b985fb0f900f5f0c96ecba1a
+    # via
+    #   -r ./tools/lint/rst/requirements.in
+    #   sphinx
+sphinx==5.1.1 \
+    --hash=sha256:309a8da80cb6da9f4713438e5b55861877d5d7976b69d87e336733637ea12693 \
+    --hash=sha256:ba3224a4e206e1fbdecf98a4fae4992ef9b24b85ebf7b584bb340156eaf08d89
+    # via -r ./tools/lint/rst/requirements.in
+sphinxcontrib-applehelp==1.0.2 \
+    --hash=sha256:806111e5e962be97c29ec4c1e7fe277bfd19e9652fb1a4392105b43e01af885a \
+    --hash=sha256:a072735ec80e7675e3f432fcae8610ecf509c5f1869d17e2eecff44389cdbc58
+    # via
+    #   -r ./tools/lint/rst/requirements.in
+    #   sphinx
+sphinxcontrib-devhelp==1.0.2 \
+    --hash=sha256:8165223f9a335cc1af7ffe1ed31d2871f325254c0423bc0c4c7cd1c1e4734a2e \
+    --hash=sha256:ff7f1afa7b9642e7060379360a67e9c41e8f3121f2ce9164266f61b9f4b338e4
+    # via sphinx
+sphinxcontrib-htmlhelp==2.0.0 \
+    --hash=sha256:d412243dfb797ae3ec2b59eca0e52dac12e75a241bf0e4eb861e450d06c6ed07 \
+    --hash=sha256:f5f8bb2d0d629f398bf47d0d69c07bc13b65f75a81ad9e2f71a63d4b7a2f6db2
+    # via
+    #   -r ./tools/lint/rst/requirements.in
+    #   sphinx
+sphinxcontrib-jsmath==1.0.1 \
+    --hash=sha256:2ec2eaebfb78f3f2078e73666b1415417a116cc848b72e5172e596c871103178 \
+    --hash=sha256:a9925e4a4587247ed2191a22df5f6970656cb8ca2bd6284309578f2153e0c4b8
+    # via sphinx
+sphinxcontrib-mermaid==0.8.1 \
+    --hash=sha256:15491c24ec78cf1626b1e79e797a9ce87cb7959cf38f955eb72dd5512aeb6ce9 \
+    --hash=sha256:fa3e5325d4ba395336e6137d113f55026b1a03ccd115dc54113d1d871a580466
+    # via -r ./tools/lint/rst/requirements.in
+sphinxcontrib-qthelp==1.0.3 \
+    --hash=sha256:4c33767ee058b70dba89a6fc5c1892c0d57a54be67ddd3e7875a18d14cba5a72 \
+    --hash=sha256:bd9fc24bcb748a8d51fd4ecaade681350aa63009a347a8c14e637895444dfab6
+    # via sphinx
+sphinxcontrib-serializinghtml==1.1.5 \
+    --hash=sha256:352a9a00ae864471d3a7ead8d7d79f5fc0b57e8b3f95e9867eb9eb28999b92fd \
+    --hash=sha256:aa5f6de5dfdf809ef505c4895e51ef5c9eac17d0f287933eb49ec495280b6952
+    # via sphinx
+urllib3==1.26.9 \
+    --hash=sha256:44ece4d53fb1706f667c9bd1c648f5469a2ec925fcf3a776667042d645472c14 \
+    --hash=sha256:aabaf16477806a5e1dd19aa41f8c2b7950dd3c746362d7e3223dbe6de6ac448e
+    # via
+    #   -r ./tools/lint/rst/requirements.in
+    #   requests
+zipp==3.15.0 \
+    --hash=sha256:112929ad649da941c23de50f356a2b5570c954b65150642bccdd66bf194d224b \
+    --hash=sha256:48904fc76a60e542af151aded95726c1a5c34ed43ab4134b597665c86d7ad556
+    # via importlib-metadata