Add a CI linter

.github/workflows/lint.yaml

@@ -0,0 +1,26 @@
+name: Lint
+
+on:
+  push:
+    branches: [ master ]
+  pull_request:
+    branches: [ master ]
+
+jobs:
+  metalinter:
+    name: lint
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: Set up Go
+        uses: actions/setup-go@v5
+        with:
+          go-version: '>=1.23'
+          cache: false
+      - name: Run golangci-lint
+        uses: golangci/[email protected]
+        with:
+          version: latest
+          args: --timeout=5m
+          working-directory: .
+          skip-cache: true 

.golangci.yaml

@@ -0,0 +1,22 @@
+linters:
+  enable-all: true
+  disable:
+    - mnd
+    - tagliatelle
+    - exhaustruct
+
+issues:
+  exclude-dirs-use-default: true
+  exclude-dirs:
+    - bin/*
+
+linters-settings:
+  nestif:
+    min-complexity: 5
+
+output:
+  formats:
+  - format: colored-line-number
+
+run:
+  timeout: 10m

bin/gopro2gpx/gopro2gpx.go

@@ -20,6 +20,7 @@ func main() {
 
 	if *inName == "" {
 		flag.Usage()
+
 		return
 	}
 
@@ -49,6 +50,7 @@ func main() {
 		if t_prev.IsZero() {
 			*t_prev = *t
 			t.Clear()
+
 			continue
 		}
 

bin/gopro2json/gopro2json.go

@@ -21,6 +21,7 @@ func main() {
 
 	if *inName == "" {
 		flag.Usage()
+
 		return
 	}
 
@@ -49,6 +50,7 @@ func main() {
 		if t_prev.IsZero() {
 			*t_prev = *t
 			t.Clear()
+
 			continue
 		}
 

bin/gpmdinfo/gpmdinfo.go

@@ -15,6 +15,7 @@ func main() {
 
 	if *inName == "" {
 		flag.Usage()
+
 		return
 	}
 
@@ -41,6 +42,7 @@ func main() {
 			if err == io.EOF {
 				break
 			}
+
 			fmt.Println(err)
 			os.Exit(1)
 		}