Typos exterminatus (#3619)

(cherry picked from commit 7d76b50370d725b7a4247ca4cecddf603d6bc93b)

.github/workflows/pull_request.yml

@@ -57,7 +57,7 @@ jobs:
         #
     - name: Checkout the source
       uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4.2.1
-    - name: Install buildifier
+    - name: Install tools
       run: |
         eval "$(/home/linuxbrew/.linuxbrew/bin/brew shellenv)"
         brew install buildifier typos-cli

ci.sh

@@ -1225,6 +1225,15 @@ cmd_lint() {
   #  fi
   #fi
 
+  # It is ok, if spell-checker is not installed.
+  if which typos >/dev/null; then
+    local src_ext="bazel|bzl|c|cc|cmake|gni|h|html|in|java|js|m|md|nix|py|rst|sh|ts|txt|yaml|yml"
+    local sources=`git -C ${MYDIR} ls-files | grep -E "\.(${src_ext})$"`
+    typos -c ${MYDIR}/tools/scripts/typos.toml ${sources}
+  else
+    echo "Consider installing https://github.com/crate-ci/typos for spell-checking"
+  fi
+
   local installed=()
   local clang_patch
   local clang_format

tools/scripts/typos.toml

@@ -0,0 +1,32 @@
+# Copyright (c) the JPEG XL Project Authors. All rights reserved.
+#
+# Use of this source code is governed by a BSD-style
+# license that can be found in the LICENSE file
+
+[default]
+extend-ignore-re = [
+  "(?Rm)^.*// notypo$",  # disable check in current line
+  "// typo:off\\n(.*\\n)+\\s*// typo:on",  # disable check in block
+  "0x[0-9a-fA-F]+[ ,u]",  # hexadecimal literal
+  "clang-analyzer-optin",
+]
+extend-ignore-identifiers-re = []
+
+[default.extend-words]
+CNA = "CNA" # CVE Numbering Authority
+ix = "ix"
+iy = "iy"
+
+[default.extend-identifiers]
+APPn = "APPn"  # JPEG APP marker N
+cmsCreate_sRGBProfileTHR = "cmsCreate_sRGBProfileTHR"
+cmsCreateTransformTHR = "cmsCreateTransformTHR"
+cmsCreateXYZProfileTHR = "cmsCreateXYZProfileTHR"
+cmsOpenProfileFromMemTHR = "cmsOpenProfileFromMemTHR"
+cmsSetLogErrorHandlerTHR = "cmsSetLogErrorHandlerTHR"
+hIST = "hIST"  # histogram PNG chunk
+JMSG_STR_PARM_MAX = "JMSG_STR_PARM_MAX"  # jpeglib
+msg_parm = "msg_parm"  # jpeglib
+PNGs = "PNGs"
+YtoBRatio = "YtoBRatio"
+YtoXRatio = "YtoXRatio"