fix: fix lint issues

.golangci.yml

@@ -0,0 +1,312 @@
+run:
+  timeout: 3m
+  tests: false
+
+
+linters-settings:
+  cyclop:
+    max-complexity: 20
+    package-average: 10.0
+
+  errcheck:
+    check-type-assertions: true
+
+  exhaustive:
+    # Program elements to check for exhaustiveness.
+    # Default: [ switch ]
+    check:
+      - switch
+      - map
+
+  exhaustruct:
+    # List of regular expressions to exclude struct packages and their names from checks.
+    # Regular expressions must match complete canonical struct package/name/structname.
+    # Default: []
+    exclude:
+      # std libs
+      - "^net/http.Client$"
+      - "^net/http.Cookie$"
+      - "^net/http.Request$"
+      - "^net/http.Response$"
+      - "^net/http.Server$"
+      - "^net/http.Transport$"
+      - "^net/url.URL$"
+      - "^os/exec.Cmd$"
+      - "^reflect.StructField$"
+      # public libs
+      - "^github.com/stretchr/testify/mock.Mock$"
+
+  funlen:
+    # Checks the number of lines in a function.
+    # If lower than 0, disable the check.
+    # Default: 60
+    lines: 100
+    # Checks the number of statements in a function.
+    # If lower than 0, disable the check.
+    # Default: 40
+    statements: 50
+    # Ignore comments when counting lines.
+    # Default false
+    ignore-comments: true
+
+  gocognit:
+    # Minimal code complexity to report.
+    # Default: 30 (but we recommend 10-20)
+    min-complexity: 20
+
+  gocritic:
+    # Settings passed to gocritic.
+    # The settings key is the name of a supported gocritic checker.
+    # The list of supported checkers can be find in https://go-critic.github.io/overview.
+    settings:
+      captLocal:
+        # Whether to restrict checker to params only.
+        # Default: true
+        paramsOnly: false
+      underef:
+        # Whether to skip (*x).method() calls where x is a pointer receiver.
+        # Default: true
+        skipRecvDeref: false
+
+  gomodguard:
+    blocked:
+      # List of blocked modules.
+      # Default: []
+      modules:
+        - github.com/golang/protobuf:
+            recommendations:
+              - google.golang.org/protobuf
+            reason: "see https://developers.google.com/protocol-buffers/docs/reference/go/faq#modules"
+        - github.com/satori/go.uuid:
+            recommendations:
+              - github.com/google/uuid
+            reason: "satori's package is not maintained"
+        - github.com/gofrs/uuid:
+            recommendations:
+              - github.com/gofrs/uuid/v5
+            reason: "gofrs' package was not go module before v5"
+
+  govet:
+    # Enable all analyzers.
+    # Default: false
+    enable-all: true
+    # Disable analyzers by name.
+    # Run `go tool vet help` to see all analyzers.
+    # Default: []
+    disable:
+      - fieldalignment # too strict
+    # Settings per analyzer.
+    settings:
+      shadow:
+        # Whether to be strict about shadowing; can be noisy.
+        # Default: false
+        strict: false
+
+  inamedparam:
+    # Skips check for interface methods with only a single parameter.
+    # Default: false
+    skip-single-param: true
+
+  mnd:
+    # List of function patterns to exclude from analysis.
+    # Values always ignored: `time.Date`,
+    # `strconv.FormatInt`, `strconv.FormatUint`, `strconv.FormatFloat`,
+    # `strconv.ParseInt`, `strconv.ParseUint`, `strconv.ParseFloat`.
+    # Default: []
+    ignored-functions:
+      - args.Error
+      - flag.Arg
+      - flag.Duration.*
+      - flag.Float.*
+      - flag.Int.*
+      - flag.Uint.*
+      - os.Chmod
+      - os.Mkdir.*
+      - os.OpenFile
+      - os.WriteFile
+      - prometheus.ExponentialBuckets.*
+      - prometheus.LinearBuckets
+
+  nakedret:
+    # Make an issue if func has more lines of code than this setting, and it has naked returns.
+    # Default: 30
+    max-func-lines: 0
+
+  nolintlint:
+    # Exclude following linters from requiring an explanation.
+    # Default: []
+    allow-no-explanation: [ funlen, gocognit, lll ]
+    # Enable to require an explanation of nonzero length after each nolint directive.
+    # Default: false
+    require-explanation: true
+    # Enable to require nolint directives to mention the specific linter being suppressed.
+    # Default: false
+    require-specific: true
+
+  perfsprint:
+    # Optimizes into strings concatenation.
+    # Default: true
+    strconcat: false
+
+  rowserrcheck:
+    # database/sql is always checked
+    # Default: []
+    packages:
+      - github.com/jmoiron/sqlx
+
+  sloglint:
+    # Enforce not using global loggers.
+    # Values:
+    # - "": disabled
+    # - "all": report all global loggers
+    # - "default": report only the default slog logger
+    # https://github.com/go-simpler/sloglint?tab=readme-ov-file#no-global
+    # Default: ""
+    no-global: "all"
+    # Enforce using methods that accept a context.
+    # Values:
+    # - "": disabled
+    # - "all": report all contextless calls
+    # - "scope": report only if a context exists in the scope of the outermost function
+    # https://github.com/go-simpler/sloglint?tab=readme-ov-file#context-only
+    # Default: ""
+    context: "scope"
+
+  tenv:
+    # The option `all` will run against whole test files (`_test.go`) regardless of method/function signatures.
+    # Otherwise, only methods that take `*testing.T`, `*testing.B`, and `testing.TB` as arguments are checked.
+    # Default: false
+    all: true
+
+
+linters:
+  disable-all: true
+  enable:
+    ## enabled by default
+    - errcheck # checking for unchecked errors, these unchecked errors can be critical bugs in some cases
+    - gosimple # specializes in simplifying a code
+    - govet # reports suspicious constructs, such as Printf calls whose arguments do not align with the format string
+    - ineffassign # detects when assignments to existing variables are not used
+    - staticcheck # is a go vet on steroids, applying a ton of static analysis checks
+    - typecheck # like the front-end of a Go compiler, parses and type-checks Go code
+    - unused # checks for unused constants, variables, functions and types
+    ## disabled by default
+    - asasalint # checks for pass []any as any in variadic func(...any)
+    - asciicheck # checks that your code does not contain non-ASCII identifiers
+    - bidichk # checks for dangerous unicode character sequences
+    - bodyclose # checks whether HTTP response body is closed successfully
+    - cyclop # checks function and package cyclomatic complexity
+    - dupl # tool for code clone detection
+    - durationcheck # checks for two durations multiplied together
+    - errname # checks that sentinel errors are prefixed with the Err and error types are suffixed with the Error
+    - errorlint # finds code that will cause problems with the error wrapping scheme introduced in Go 1.13
+    - exhaustive # checks exhaustiveness of enum switch statements
+    - forbidigo # forbids identifiers
+    - funlen # tool for detection of long functions
+    - gocheckcompilerdirectives # validates go compiler directive comments (//go:)
+    - gochecknoglobals # checks that no global variables exist
+    - gochecknoinits # checks that no init functions are present in Go code
+    - gocognit # computes and checks the cognitive complexity of functions
+    - goconst # finds repeated strings that could be replaced by a constant
+    - gocritic # provides diagnostics that check for bugs, performance and style issues
+    - gocyclo # computes and checks the cyclomatic complexity of functions
+    - godot # checks if comments end in a period
+    - goimports # in addition to fixing imports, goimports also formats your code in the same style as gofmt
+    - gomoddirectives # manages the use of 'replace', 'retract', and 'excludes' directives in go.mod
+    - gomodguard # allow and block lists linter for direct Go module dependencies. This is different from depguard where there are different block types for example version constraints and module recommendations
+    - goprintffuncname # checks that printf-like functions are named with f at the end
+    - gosec # inspects source code for security problems
+    - lll # reports long lines
+    - loggercheck # checks key value pairs for common logger libraries (kitlog,klog,logr,zap)
+    - makezero # finds slice declarations with non-zero initial length
+    - mirror # reports wrong mirror patterns of bytes/strings usage
+    - musttag # enforces field tags in (un)marshaled structs
+    - nakedret # finds naked returns in functions greater than a specified function length
+    - nestif # reports deeply nested if statements
+    - nilerr # finds the code that returns nil even if it checks that the error is not nil
+    - nilnil # checks that there is no simultaneous return of nil error and an invalid value
+    - noctx # finds sending http request without context.Context
+    - nolintlint # reports ill-formed or insufficient nolint directives
+    - nonamedreturns # reports all named returns
+    - nosprintfhostport # checks for misuse of Sprintf to construct a host with port in a URL
+    - predeclared # finds code that shadows one of Go's predeclared identifiers
+    - promlinter # checks Prometheus metrics naming via promlint
+    - reassign # checks that package variables are not reassigned
+    - revive # fast, configurable, extensible, flexible, and beautiful linter for Go, drop-in replacement of golint
+    - rowserrcheck # checks whether Err of rows is checked successfully
+    - sqlclosecheck # checks that sql.Rows and sql.Stmt are closed
+    - stylecheck # is a replacement for golint
+    - tenv # detects using os.Setenv instead of t.Setenv since Go1.17
+    - testableexamples # checks if examples are testable (have an expected output)
+    - testpackage # makes you use a separate _test package
+    - tparallel # detects inappropriate usage of t.Parallel() method in your Go test codes
+    - unconvert # removes unnecessary type conversions
+    - unparam # reports unused function parameters
+    - usestdlibvars # detects the possibility to use variables/constants from the Go standard library
+    - wastedassign # finds wasted assignment statements
+    - whitespace # detects leading and trailing whitespace
+
+    ## you may want to enable
+    #- decorder # checks declaration order and count of types, constants, variables and functions
+    #- exhaustruct # [highly recommend to enable] checks if all structure fields are initialized
+    #- gci # controls golang package import order and makes it always deterministic
+    #- ginkgolinter # [if you use ginkgo/gomega] enforces standards of using ginkgo and gomega
+    #- godox # detects FIXME, TODO and other comment keywords
+    #- goheader # checks is file header matches to pattern
+    #- inamedparam # [great idea, but too strict, need to ignore a lot of cases by default] reports interfaces with unnamed method parameters
+    #- interfacebloat # checks the number of methods inside an interface
+    #- ireturn # accept interfaces, return concrete types
+    #- prealloc # [premature optimization, but can be used in some cases] finds slice declarations that could potentially be preallocated
+    #- tagalign # checks that struct tags are well aligned
+    #- varnamelen # [great idea, but too many false positives] checks that the length of a variable's name matches its scope
+    #- wrapcheck # checks that errors returned from external packages are wrapped
+    #- zerologlint # detects the wrong usage of zerolog that a user forgets to dispatch zerolog.Event
+
+    ## disabled
+    #- containedctx # detects struct contained context.Context field
+    #- contextcheck # [too many false positives] checks the function whether use a non-inherited context
+    #- copyloopvar # [not necessary from Go 1.22] detects places where loop variables are copied
+    #- depguard # [replaced by gomodguard] checks if package imports are in a list of acceptable packages
+    #- dogsled # checks assignments with too many blank identifiers (e.g. x, _, _, _, := f())
+    #- dupword # [useless without config] checks for duplicate words in the source code
+    #- err113 # [too strict] checks the errors handling expressions
+    #- errchkjson # [don't see profit + I'm against of omitting errors like in the first example https://github.com/breml/errchkjson] checks types passed to the json encoding functions. Reports unsupported types and optionally reports occasions, where the check for the returned error can be omitted
+    #- execinquery # [deprecated] checks query string in Query function which reads your Go src files and warning it finds
+    #- exportloopref # [not necessary from Go 1.22] checks for pointers to enclosing loop variables
+    #- forcetypeassert # [replaced by errcheck] finds forced type assertions
+    #- gofmt # [replaced by goimports] checks whether code was gofmt-ed
+    #- gofumpt # [replaced by goimports, gofumports is not available yet] checks whether code was gofumpt-ed
+    #- gosmopolitan # reports certain i18n/l10n anti-patterns in your Go codebase
+    #- grouper # analyzes expression groups
+    #- importas # enforces consistent import aliases
+    #- maintidx # measures the maintainability index of each function
+    #- misspell # [useless] finds commonly misspelled English words in comments
+    #- nlreturn # [too strict and mostly code is not more readable] checks for a new line before return and branch statements to increase code clarity
+    #- paralleltest # [too many false positives] detects missing usage of t.Parallel() method in your Go test
+    #- tagliatelle # checks the struct tags
+    #- thelper # detects golang test helpers without t.Helper() call and checks the consistency of test helpers
+    #- wsl # [too strict and mostly code is not more readable] whitespace linter forces you to use empty lines
+
+
+issues:
+  # Maximum count of issues with the same text.
+  # Set to 0 to disable.
+  # Default: 3
+  max-same-issues: 50
+  exclude-dirs-use-default: true
+  exclude-use-default: true
+
+  exclude-rules:
+    - source: "(noinspection|TODO)"
+      linters: [ godot ]
+    - source: "//noinspection"
+      linters: [ gocritic ]
+    - path: "_test\\.go"
+      linters:
+        - bodyclose
+        - dupl
+        - funlen
+        - goconst
+        - gosec
+        - noctx
+        - wrapcheck

.goreleaser.yaml

@@ -45,3 +45,6 @@ changelog:
     exclude:
       - "^docs:"
       - "^test:"
+
+release:
+  mode: keep-exisiting

pkg/ai/ai.go

@@ -24,7 +24,7 @@ type AI struct {
 
 func NewAI(tools map[string]*tool.Tool, model string) *AI {
 	client := api.NewClient(envconfig.Host(), http.DefaultClient)
-	apiTools := make([]api.Tool, len(tools))
+	apiTools := make([]api.Tool, 0, len(tools))
 	for _, t := range tools {
 		apiTools = append(apiTools, t.Tool)
 	}
@@ -48,7 +48,8 @@ func (ai *AI) Chat(ctx context.Context, message string) error {
 		}
 		history = append(history, answer)
 
-		if len(answer.ToolCalls) <= 0 {
+		if len(answer.ToolCalls) == 0 {
+			//nolint:forbidigo // TODO: refactor this print.
 			fmt.Println(answer.Content)
 			return nil
 		}
@@ -92,10 +93,3 @@ func (ai *AI) query(ctx context.Context, messages []api.Message) (api.Message, e
 
 	return answer, nil
 }
-
-func chatResponse(ch chan<- api.Message) func(api.ChatResponse) error {
-	return func(resp api.ChatResponse) error {
-		ch <- resp.Message
-		return nil
-	}
-}

pkg/log/handlers.go

@@ -10,7 +10,7 @@ import (
 
 // NewCloudFunctionHandler returns a new log handler for Google Cloud Functions.
 func NewCloudFunctionHandler(w io.Writer, opt *slog.HandlerOptions) slog.Handler {
-	opt.ReplaceAttr = func(groups []string, a slog.Attr) slog.Attr {
+	opt.ReplaceAttr = func(_ []string, a slog.Attr) slog.Attr {
 		if a.Key == "level" {
 			a.Key = "severity"
 			a.Value = slog.StringValue(strings.ToLower(a.Value.String()))

pkg/tool/tool.go

@@ -23,10 +23,10 @@ func (t *Tool) Run(values map[string]any) ([]byte, error) {
 	if err != nil {
 		return nil, err
 	}
-	return exec.Command(t.Cmd, args...).CombinedOutput()
+	return exec.Command(t.Cmd, args...).CombinedOutput() //nolint:gosec // This is a tool runner.
 }
 
-// LoadTool loads a tool from a json file
+// LoadTool loads a tool from a json file.
 func LoadTool(file string) (*Tool, error) {
 	f, err := os.Open(file)
 	if err != nil {
@@ -43,7 +43,7 @@ func LoadTool(file string) (*Tool, error) {
 	return &tool, nil
 }
 
-// LoadTools loads a list of tools from a directory
+// LoadTools loads a list of tools from a directory.
 func LoadTools(dir string) (map[string]*Tool, error) {
 	// Get the list of json files in the directory
 	var files []string
@@ -68,7 +68,7 @@ func LoadTools(dir string) (map[string]*Tool, error) {
 	for _, f := range files {
 		file := f // capture the loop variable
 		eg.Go(func() error {
-			tool, err := LoadTool(file)
+			tool, err := LoadTool(file) //nolint:govet // Shadowing err is fine here.
 			if err != nil {
 				return err
 			}
@@ -80,7 +80,7 @@ func LoadTools(dir string) (map[string]*Tool, error) {
 		})
 	}
 
-	if err := eg.Wait(); err != nil {
+	if err = eg.Wait(); err != nil {
 		return nil, err
 	}
 	return tools, nil