staticcheck (#313)

* CI: use staticcheck for linting

This commit switches the linter for Go code from golint to staticcheck.
Golint has been deprecated since last year and staticcheck is a
recommended replacement.

Signed-off-by: Lucas Servén Marín <lserven@gmail.com>

* revendor

Signed-off-by: Lucas Servén Marín <lserven@gmail.com>

* cmd,pkg: fix lint warnings

Signed-off-by: Lucas Servén Marín <lserven@gmail.com>

vendor/honnef.co/go/tools/sarif/sarif.go

@@ -0,0 +1,138 @@
+package sarif
+
+const Version = "2.1.0"
+const Schema = "https://raw.githubusercontent.com/oasis-tcs/sarif-spec/master/Schemata/sarif-schema-2.1.0.json"
+
+type Log struct {
+	Version string `json:"version"`
+	Schema  string `json:"$schema"`
+	Runs    []Run  `json:"runs"`
+}
+
+type Run struct {
+	Tool        Tool         `json:"tool"`
+	Results     []Result     `json:"results,omitempty"`
+	Invocations []Invocation `json:"invocations,omitempty"`
+	Artifacts   []Artifact   `json:"artifacts,omitempty"`
+}
+
+type Artifact struct {
+	Location       ArtifactLocation `json:"location"`
+	Length         int              `json:"length"`
+	SourceLanguage string           `json:"sourceLanguage"`
+	Roles          []string         `json:"roles"`
+	Encoding       string           `json:"encoding"`
+}
+
+const (
+	AnalysisTarget = "analysisTarget"
+	UTF8           = "UTF-8"
+	Fail           = "fail"
+	Warning        = "warning"
+	Error          = "error"
+	Note           = "note"
+	None           = "none"
+)
+
+type Hash struct {
+	Sha256 string `json:"sha-256"`
+}
+
+type Tool struct {
+	Driver ToolComponent `json:"driver"`
+}
+
+type Invocation struct {
+	CommandLine         string           `json:"commandLine,omitempty"`
+	Arguments           []string         `json:"arguments,omitempty"`
+	WorkingDirectory    ArtifactLocation `json:"workingDirectory,omitempty"`
+	ExecutionSuccessful bool             `json:"executionSuccessful"`
+}
+
+type ToolComponent struct {
+	Name            string                `json:"name,omitempty"`
+	Version         string                `json:"version,omitempty"`
+	SemanticVersion string                `json:"semanticVersion,omitempty"`
+	InformationURI  string                `json:"informationUri,omitempty"`
+	Rules           []ReportingDescriptor `json:"rules,omitempty"`
+}
+
+type ReportingDescriptor struct {
+	ID               string  `json:"id"`
+	ShortDescription Message `json:"shortDescription"`
+	// FullDescription  Message `json:"fullDescription"`
+	Help                 Message                `json:"help"`
+	HelpURI              string                 `json:"helpUri,omitempty"`
+	DefaultConfiguration ReportingConfiguration `json:"defaultConfiguration"`
+}
+
+type ReportingConfiguration struct {
+	Enabled    bool                   `json:"enabled"`
+	Level      string                 `json:"level,omitempty"`
+	Parameters map[string]interface{} `json:"parameters,omitempty"`
+}
+
+type Result struct {
+	RuleID string `json:"ruleId"`
+	// RuleIndex        int        `json:"ruleIndex"`
+	Kind             string        `json:"kind"`
+	Level            string        `json:"level,omitempty"`
+	Message          Message       `json:"message"`
+	Locations        []Location    `json:"locations,omitempty"`
+	RelatedLocations []Location    `json:"relatedLocations,omitempty"`
+	Fixes            []Fix         `json:"fixes,omitempty"`
+	Suppressions     []Suppression `json:"suppressions"`
+}
+
+type Suppression struct {
+	Kind          string `json:"kind"`
+	Justification string `json:"justification"`
+}
+
+type Fix struct {
+	Description     Message          `json:"description"`
+	ArtifactChanges []ArtifactChange `json:"artifactChanges"`
+}
+
+type ArtifactChange struct {
+	ArtifactLocation ArtifactLocation `json:"artifactLocation"`
+	Replacements     []Replacement    `json:"replacements"`
+}
+
+type Replacement struct {
+	DeletedRegion   Region          `json:"deletedRegion"`
+	InsertedContent ArtifactContent `json:"insertedContent"`
+}
+
+type ArtifactContent struct {
+	Text string `json:"text"`
+}
+
+type Message struct {
+	Text     string `json:"text,omitempty"`
+	Markdown string `json:"markdown,omitempty"`
+}
+
+type Location struct {
+	ID               int              `json:"id,omitempty"`
+	Message          *Message         `json:"message,omitempty"`
+	PhysicalLocation PhysicalLocation `json:"physicalLocation"`
+}
+
+type PhysicalLocation struct {
+	ArtifactLocation ArtifactLocation `json:"artifactLocation"`
+	Region           Region           `json:"region"`
+}
+
+type ArtifactLocation struct {
+	URI       string `json:"uri,omitempty"`
+	Index     int    `json:"index,omitempty"`
+	URIBaseID string `json:"uriBaseId,omitempty"`
+}
+
+type Region struct {
+	StartLine   int `json:"startLine"`
+	StartColumn int `json:"startColumn"`
+	EndLine     int `json:"endLine,omitempty"`
+	EndColumn   int `json:"endColumn,omitempty"`
+}