build: bump of Go version to 1.27 along with CI tooling

.github/workflows/go.yml

@@ -6,9 +6,9 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Set up Go
-        uses: actions/setup-go@v5
+        uses: actions/setup-go@v7
         with:
-          go-version: 1.22
+          go-version: 1.27
         id: go
 
       - name: Check out code into the Go module directory

.gitignore

@@ -14,3 +14,5 @@
 tags
 
 bin/
+
+profile.cov

.golangci.yml

@@ -1,198 +1,123 @@
-run:
-  timeout: 1m
-
-linters-settings:
-  errcheck:
-    # report about not checking of errors in type assetions: `a := b.(MyStruct)`;
-    # default is false: such cases aren't reported by default.
-    check-type-assertions: true
-
-    # report about assignment of errors to blank identifier: `num, _ := strconv.Atoi(numStr)`;
-    # default is false: such cases aren't reported by default.
-    check-blank: false
-
-    # [deprecated] comma-separated list of pairs of the form pkg:regex
-    # the regex is used to ignore names within pkg. (default "fmt:.*").
-    # see https://github.com/kisielk/errcheck#the-deprecated-method for details
-    # ignore: fmt:.*,io/ioutil:^Read.*
-
-    # path to a file containing a list of functions to exclude from checking
-    # see https://github.com/kisielk/errcheck#excluding-functions for details
-    # exclude: /path/to/file.txt
-
-  funlen:
-    lines: 50
-    statements: 40
-
-  govet:
-    # report about shadowed variables
-    shadow: true
-
-    # enable or disable analyzers by name
-    # enable:
-    #   - atomicalign
-    enable-all: true
-    disable:
-      - fieldalignment
-    # disable-all: false
-  revive:
-    # minimal confidence for issues, default is 0.8
-    min-confidence: 0.8
-  gofmt:
-    # simplify code: gofmt with `-s` option, true by default
-    simplify: true
-  goimports:
-    # put imports beginning with prefix after 3rd-party packages;
-    # it's a comma-separated list of prefixes
-    local-prefixes: github.com/kinbiko/bugsnag
-  gocyclo:
-    # minimal code complexity to report, 30 by default (but we recommend 10-20)
-    # This check is set to an unreasonably low number by most developers'
-    # standards to track the code standard over time
-    min-complexity: 10
-  gocognit:
-    # minimal code complexity to report, 30 by default (but we recommend 10-20)
-    # This check is a more useful cyclomatic complexity called cognitive complexity,
-    # where nested if/for is weighted more, and only one point regardless of
-    # cases in a switch.
-    min-complexity: 11
-  dupl:
-    # tokens count to trigger issue, 150 by default
-    threshold: 100
-  goconst:
-    # minimal length of string constant, 3 by default
-    min-len: 10
-    # minimal occurrences count to trigger, 3 by default
-    min-occurrences: 3
-
-    # packages-with-error-messages:
-    # specify an error message to output when a blacklisted package is used
-    # github.com/sirupsen/logrus: "logging is allowed only by logutils.Log"
-  misspell:
-    # Correct spellings using locale preferences for US or UK.
-    # Default is to use a neutral variety of English.
-    # Setting locale to US will correct the British spelling of 'colour' to 'color'.
-    locale: US
-    # ignore-words:
-    #   - someword
-  lll:
-    # max line length, lines longer will be reported. Default is 120.
-    # '\t' is counted as 1 character by default, and can be changed with the tab-width option
-    line-length: 165
-    # tab width in spaces. Default to 1.
-    tab-width: 4
-  unused:
-    # treat code as a program (not a library) and report unused exported identifiers; default is false.
-    # XXX: if you enable this setting, unused will report a lot of false-positives in text editors:
-    # if it's called for subdir of a project it can't find funcs usages. All text editor integrations
-    # with golangci-lint call it on a directory with the changed file.
-    check-exported: false
-  unparam:
-    # Inspect exported functions, default is false. Set to true if no external program/library imports your code.
-    # XXX: if you enable this setting, unparam will report a lot of false-positives in text editors:
-    # if it's called for subdir of a project it can't find external interfaces. All text editor integrations
-    # with golangci-lint call it on a directory with the changed file.
-    check-exported: true
-  nakedret:
-    # make an issue if func has more lines of code than this setting and it has naked returns; default is 30
-    # Naked returns can go plop itself
-    max-func-lines: 0
-  prealloc:
-    # XXX: we don't recommend using this linter before doing performance profiling.
-    # For most programs usage of prealloc will be a premature optimization.
-
-    # Report preallocation suggestions only on simple loops that have no returns/breaks/continues/gotos in them.
-    # True by default.
-    simple: true
-    range-loops: true # Report preallocation suggestions on range loops, true by default
-    for-loops: false # Report preallocation suggestions on for loops, false by default
-  gocritic:
-    # Which checks should be enabled; can't be combined with 'disabled-checks';
-    # See https://go-critic.github.io/overview#checks-overview
-    # To check which checks are enabled run `GL_DEBUG=gocritic golangci-lint run`
-    # By default list of stable checks is used.
-    # enabled-checks:
-    #   - badCond
-
-    # Which checks should be disabled; can't be combined with 'enabled-checks'; default is empty
-    # disabled-checks:
-
-    # Enable multiple checks by tags, run `GL_DEBUG=gocritic golangci-lint run` to see all tags and checks.
-    # Empty list by default. See https://github.com/go-critic/go-critic#usage -> section "Tags".
-    enabled-tags:
-      - diagnostic
-      - style
-      - performance
-
-    settings: # settings passed to gocritic
-      captLocal: # must be valid enabled check name
-        paramsOnly: true
-      rangeValCopy:
-        sizeThreshold: 64
-  godox:
-    # report any comments starting with keywords, this is useful for TODO or FIXME comments that
-    # might be left in the code accidentally and should be resolved before merging
-    keywords: # default keywords are TODO, BUG, and FIXME, these can be overwritten by this setting
-      - TODO
-      - FIXME
-  dogsled:
-    # checks assignments with too many blank identifiers; default is 2
-    max-blank-identifiers: 2
-
-  whitespace:
-    multi-if: false # Enforces newlines (or comments) after every multi-line if statement
-    multi-func: false # Enforces newlines (or comments) after every multi-line function signature
-
+version: "2"
 linters:
+  # `standard` enables errcheck, govet, ineffassign, staticcheck, unused: https://golangci-lint.run/docs/linters/#all-linters
+  default: standard
+  # Linters explicitly enabled on top of `standard`: only those with deliberately configured thresholds below.
+  enable:
+    - dogsled
+    - dupl
+    - funlen
+    - gocognit
+    - goconst
+    - gocritic
+    - gocyclo
+    - godox
+    - lll
+    - misspell
+    - nakedret
+    - prealloc
+    - whitespace
+  # Not in `standard`; kept as a documented guard in case they're ever promoted, recording past rejections.
   disable:
     - wsl
     - godot
     - nlreturn
-
     - depguard
-
-    - gci # This conflicts with goimports
-    - varnamelen # This has too many false positives around indexes etc to be useful
-  presets:
-    - bugs
-    - complexity
-    - format
-    - performance
-    - style
-    - unused
-  fast: false
-
+    - varnamelen  # This has too many false positives around indexes etc to be useful
+  settings:
+    dogsled:
+      max-blank-identifiers: 2
+    dupl:
+      threshold: 100
+    errcheck:
+      check-type-assertions: true
+      check-blank: false
+    funlen:
+      lines: 50
+      statements: 40
+    gocognit:
+      min-complexity: 11
+    goconst:
+      min-len: 10
+      min-occurrences: 3
+      ignore-tests: true
+    gocritic:
+      enabled-tags:
+        - diagnostic
+        - style
+        - performance
+      settings:
+        captLocal:
+          paramsOnly: true
+        rangeValCopy:
+          sizeThreshold: 64
+    gocyclo:
+      min-complexity: 10
+    godox:
+      keywords:
+        - TODO
+        - FIXME
+    govet:
+      disable:
+        - fieldalignment
+      enable-all: true
+    lll:
+      line-length: 165
+      tab-width: 4
+    misspell:
+      locale: US
+    nakedret:
+      max-func-lines: 0
+    prealloc:
+      simple: true
+      range-loops: true
+      for-loops: false
+    staticcheck:
+      # QF1008 keeps suggesting dropping the `tt.` prefix; to preserve the original Asserter API we're choosing to ignore this warning.
+      checks:
+        - all
+        - -QF1008
+    whitespace:
+      multi-if: false
+      multi-func: false
+  exclusions:
+    generated: lax
+    rules:
+      - linters:
+          - dupl
+          - errcheck
+          - errchkjson
+          - forbidigo
+          - funlen
+          - gocognit
+          - gocyclo
+          - lll
+          - mnd
+          - staticcheck
+          - testpackage
+        path: _test\.go
+    paths:
+      - third_party$
+      - builtin$
+      - examples$
 issues:
-  # Excluding configuration per-path, per-linter, per-text and per-source
-  exclude-rules:
-    # Exclude some linters from running on tests files.
-    - path: _test\.go
-      linters:
-        - cyclop
-        - dupl
-        - errcheck
-        - errchkjson
-        - exhaustivestruct
-        - forbidigo
-        - funlen
-        - gocognit
-        - gocyclo
-        - gomnd
-        - lll
-        - stylecheck
-        - testpackage
-        - varnamelen
-        - maintidx
-    - path: \.go
-      linters:
-        - err113
-
-  # Independently from option `exclude` we use default exclude patterns,
-  # it can be disabled by this option. To list all
-  # excluded by default patterns execute `golangci-lint run --help`.
-  # Default value for this option is true.
-  exclude-use-default: false
-  # Maximum issues count per one linter. Set to 0 to disable. Default is 50.
   max-issues-per-linter: 0
-  # Maximum count of issues with the same text. Set to 0 to disable. Default is 3.
   max-same-issues: 0
+formatters:
+  enable:
+    - gofmt
+    - gofumpt
+    # `gci` deliberately unused ("conflicts with goimports"); import formatters live in this section since v2.
+    - goimports
+  settings:
+    gofmt:
+      simplify: true
+    goimports:
+      local-prefixes:
+        - github.com/kinbiko/bugsnag
+  exclusions:
+    generated: lax
+    paths:
+      - third_party$
+      - builtin$
+      - examples$

Makefile

@@ -1,4 +1,4 @@
-LINTER_VERSION := v1.61.0
+LINTER_VERSION := v2.13.2
 
 .PHONY: check
 check: lint test
@@ -20,5 +20,5 @@ coverage:
 	go test -race -v -coverprofile=profile.cov -covermode=atomic ./...
 
 bin/linter: Makefile
-	curl -sSfL https://raw.githubusercontent.com/golangci/golangci-lint/master/install.sh | sh -s -- -b ./bin $(LINTER_VERSION)
+	curl -sSfL https://golangci-lint.run/install.sh | sh -s -- -b ./bin $(LINTER_VERSION)
 	mv ./bin/golangci-lint ./bin/linter

go.mod

@@ -1,3 +1,3 @@
 module github.com/kinbiko/jsonassert
 
-go 1.22
+go 1.27