ci: use problem matchers to tag lint warnings & errors

.github/problem-matchers.json

@@ -0,0 +1,58 @@
+{
+    "problemMatcher": [
+        {
+            "owner": "clang-tidy",
+            "pattern": [
+                {
+                    "regexp": "^(?:\\x1b\\[[0-9;]+m)*(.+):(\\d+):(\\d+):\\s+(?:\\x1b\\[[0-9;]+m)*(warning|error):\\s+(?:\\x1b\\[[0-9;]+m)*(.*)\\s+\\[(.+)\\](?:\\x1b\\[[0-9;]+m)*$",
+                    "file": 1,
+                    "line": 2,
+                    "column": 3,
+                    "severity": 4,
+                    "message": 5,
+                    "code": 6
+                }
+            ]
+        },
+        {
+            "owner": "cppcheck",
+            "pattern": [
+                {
+                    "regexp": "^(?:\\x1b\\[[0-9;]+m)*(.+):([0-9;]+):(\\d+):\\s+(?:\\x1b\\[[0-9;]+m)*(warning|error):(?:\\x1b\\[[0-9;]+m)*\\s+(.+)\\s+\\[(.+)\\](?:\\x1b\\[[0-9;]+m)*$",
+                    "file": 1,
+                    "line": 2,
+                    "column": 3,
+                    "severity": 4,
+                    "message": 5,
+                    "code": 6
+                }
+            ]
+        },
+        {
+            "owner": "stylelint",
+            "pattern": [
+                {
+                    "regexp": "^(.+):(\\d+):(\\d+):\\s+(.+)\\s+\\((.+)\\)\\s+\\[(error)\\]$",
+                    "file": 1,
+                    "line": 2,
+                    "column": 3,
+                    "message": 4,
+                    "code": 5,
+                    "severity": 6
+                }
+            ]
+        },
+        {
+            "owner": "xmllint",
+            "pattern": [
+                {
+                    "regexp": "^(.+):(\\d+):\\s+parser (error)\\s+:\\s+(.+)$",
+                    "file": 1,
+                    "line": 2,
+                    "severity": 3,
+                    "message": 4
+                }
+            ]
+        }
+    ]
+}

.github/workflows/build.yml

@@ -55,5 +55,13 @@ jobs:
         npm init --yes
         npm install stylelint stylelint-config-standard
 
+    - name: Setup problem matchers
+      run: |
+        set -x
+        echo '::remove-matcher owner=eslint-compact::'
+        echo '::remove-matcher owner=eslint-stylish::'
+        echo '::remove-matcher owner=tsc::'
+        echo '::add-matcher::.github/problem-matchers.json'
+
     - name: Lint
       run: ./utils/lint.sh 2>&1

utils/lint.mk

@@ -152,17 +152,15 @@ endef
 ifneq (,$(GITHUB_ACTIONS))
 ci_startgroup := printf '::group::'
 ci_endgroup := printf '::endgroup::\n'
-ci_error = printf '%b\n::error::%s\n%b\n' '$(ANSI_RESET)' $1 '$(ANSI_RESET)'
 ci_time := time
 else
 ci_startgroup := :
 ci_endgroup := :
-ci_error := :
 ci_time =
 endif
 
 define warn_on_error
-if [ $1 -ne 0 ]; then $(call $(if $(GITHUB_ACTIONS),ci_error,trace_warn),$2); fi
+if [ $1 -ne 0 ]; then $(call trace_warn,$2); fi
 endef
 
 # `$(call lint_rule,prefix,file,command)`