Update to Go 1.20 and fix unit tests (#923)

* Fix unit tests for Go 1.20

* Update to Go 1.20 in the build scripts

* Remove support for 1.18 in the build

* Fix the golangci lint version according to Go version used

* Fix golangci version string

* Fix gci linter warning

* Remove golint in favour of golangci

.github/workflows/ci.yml

@@ -10,17 +10,15 @@ jobs:
   test:
     strategy:
       matrix:
-        go_version:
-          - '1.18.10' # TODO: remove this once actions/setup-go@v3 uses latest as latest; see https://github.com/securego/gosec/pull/880
-          - '1.19.5' # TODO: remove this once actions/setup-go@v3 uses latest as latest; see https://github.com/securego/gosec/pull/880
+        version: [{go: '1.19.5', golangci: 'v1.50.1'}, {go: '1.20', golangci: 'latest'}]
     runs-on: ubuntu-latest
     env:
       GO111MODULE: on
     steps:
-      - name: Setup go ${{ matrix.go_version }} 
+      - name: Setup go ${{ matrix.version.go }} 
         uses: actions/setup-go@v3
         with:
-          go-version: ${{ matrix.go_version }}
+          go-version: ${{ matrix.version.go }}
       - name: Checkout Source 
         uses: actions/checkout@v3
       - uses: actions/cache@v3
@@ -32,7 +30,7 @@ jobs:
       - name: lint
         uses: golangci/golangci-lint-action@v3
         with:
-          version: latest
+          version: ${{ matrix.version.golangci }}
       - name: Run Tests
         run: make test
   coverage:
@@ -44,7 +42,7 @@ jobs:
       - name: Setup go
         uses: actions/setup-go@v3
         with:
-          go-version: '1.19.5' # TODO: remove this once actions/setup-go@v3 uses latest as latest; see https://github.com/securego/gosec/pull/880
+          go-version: '1.20'
       - name: Checkout Source 
         uses: actions/checkout@v3
       - uses: actions/cache@v3

.github/workflows/release.yml

@@ -17,7 +17,7 @@ jobs:
       - name: Set up Go
         uses: actions/setup-go@v3
         with:
-          go-version: '1.19.5'
+          go-version: '1.20'
       - name: Install Cosign
         uses: sigstore/cosign-installer@v2
         with:
@@ -66,7 +66,7 @@ jobs:
           tags: ${{steps.meta.outputs.tags}}
           labels: ${{steps.meta.outputs.labels}}
           push: true
-          build-args: GO_VERSION=1.19
+          build-args: GO_VERSION=1.20
       - name: Sign Docker Image
         run: cosign sign -key /tmp/cosign.key ${TAGS}
         env:

Makefile

@@ -14,12 +14,11 @@ GO := GO111MODULE=on go
 GO_NOMOD :=GO111MODULE=off go
 GOPATH ?= $(shell $(GO) env GOPATH)
 GOBIN ?= $(GOPATH)/bin
-GOLINT ?= $(GOBIN)/golint
 GOSEC ?= $(GOBIN)/gosec
 GINKGO ?= $(GOBIN)/ginkgo
 GO_MINOR_VERSION = $(shell $(GO) version | cut -c 14- | cut -d' ' -f1 | cut -d'.' -f2)
 GOVULN_MIN_VERSION = 17
-GO_VERSION = 1.19
+GO_VERSION = 1.20
 
 default:
 	$(MAKE) build
@@ -34,18 +33,15 @@ install-govulncheck:
 		go install golang.org/x/vuln/cmd/govulncheck@latest; \
 	fi
 
-test: install-test-deps build fmt lint sec govulncheck
+test: install-test-deps build fmt vet sec govulncheck
 	$(GINKGO) -v --fail-fast
 
 fmt:
 	@echo "FORMATTING"
 	@FORMATTED=`$(GO) fmt ./...`
 	@([ ! -z "$(FORMATTED)" ] && printf "Fixed unformatted files:\n$(FORMATTED)") || true
 
-lint:
-	@echo "LINTING: golint"
-	$(GO_NOMOD) get -u golang.org/x/lint/golint
-	$(GOLINT) -set_exit_status ./...
+vet:
 	@echo "VETTING"
 	$(GO) vet ./...
 

analyzer_test.go

@@ -4,6 +4,7 @@ import (
 	"errors"
 	"log"
 	"os"
+	"regexp"
 	"strings"
 
 	. "github.com/onsi/ginkgo/v2"
@@ -152,13 +153,19 @@ var _ = Describe("Analyzer", func() {
 			err = analyzer.Process(buildTags, pkg.Path)
 			Expect(err).ShouldNot(HaveOccurred())
 			_, _, errors := analyzer.Report()
-			Expect(len(errors)).To(Equal(1))
+			foundErr := false
 			for _, ferr := range errors {
 				Expect(len(ferr)).To(Equal(1))
+				match, err := regexp.MatchString(ferr[0].Err, `expected declaration, found '}'`)
+				if !match || err != nil {
+					continue
+				}
+				foundErr = true
 				Expect(ferr[0].Line).To(Equal(4))
 				Expect(ferr[0].Column).To(Equal(5))
 				Expect(ferr[0].Err).Should(MatchRegexp(`expected declaration, found '}'`))
 			}
+			Expect(foundErr).To(BeTrue())
 		})
 
 		It("should not report errors when a nosec line comment is present", func() {

report/html/writer.go

@@ -1,7 +1,6 @@
 package html
 
 import (
-	// use go embed to import template
 	_ "embed"
 	"html/template"
 	"io"