build: Test against Go 1.23

.github/workflows/go.yml

@@ -9,20 +9,20 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        go: [1.18, 1.19]
+        go: ["1.22", "1.23"]
     steps:
+      - name: Check out source
+        uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7
       - name: Set up Go
-        uses: actions/setup-go@84cbf8094393cdc5fe1fe1671ff2647332956b1a #v3.2.1
+        uses: actions/setup-go@0a12ed9d6a96ab950c8f026ed9f722fe0da7ef32 # v5.0.2
         with:
           go-version: ${{ matrix.go }}
-      - name: Check out source
-        uses: actions/checkout@2541b1294d2704b0964813337f33b291d3f8596b #v3.0.2
       - name: Install Linters
-        run: "curl -sSfL https://raw.githubusercontent.com/golangci/golangci-lint/master/install.sh | sh -s -- -b $(go env GOPATH)/bin v1.48.0"
+        run: "go install github.com/golangci/golangci-lint/cmd/golangci-lint@v1.60.1"
       - name: Build
         run: go build ./...
       - name: Lint
         run: |
-          golangci-lint run --disable-all --deadline=10m --enable=gofmt --enable=govet --enable=gosimple --enable=unconvert --enable=ineffassign
+          golangci-lint run
       - name: Test
         run: go test -v ./...

.golangci.yml

@@ -0,0 +1,29 @@
+run:
+  deadline: 10m
+
+linters:
+  disable-all: true
+  enable:
+    - asciicheck
+    - bidichk
+    - bodyclose
+    - dupword
+    - durationcheck
+    - errchkjson
+    - errorlint
+    - exportloopref
+    - gofmt
+    - goimports
+    - gosimple
+    - govet
+    - grouper
+    - ineffassign
+    - misspell
+    - nilerr
+    - nosprintfhostport
+    - reassign
+    - rowserrcheck
+    - tparallel
+    - typecheck
+    - unconvert
+    - unused

main.go

@@ -628,7 +628,9 @@ func (d *dcrinstallManifest) fakedist(dist *dist) {
 			log.Fatal(err)
 		}
 		hash.Reset()
-		io.Copy(hash, fi)
+		if _, err = io.Copy(hash, fi); err != nil {
+			log.Fatalf("copy failed: %v", err)
+		}
 		fi.Close()
 		sum := hash.Sum(nil)
 		_, err = fmt.Fprintf(w, "%x  %s\n", sum, u)