[main] git commit hook to test the gofmt reliability

githook-gofmt/hook.go

@@ -0,0 +1,35 @@
+package main
+
+import (
+	"fmt"
+	"log"
+	"os"
+
+	"github.com/mthie/git-gohooks/general"
+)
+
+func main() {
+	files := general.GetChangedGoFiles()
+	if files == nil {
+		os.Exit(0)
+		return
+	}
+
+	args := []string{"-l"}
+	args = append(args, files...)
+
+	result := general.RunCommand("gofmt", args...)
+	if result == "" {
+		os.Exit(0)
+		return
+	}
+	fmt.Fprint(os.Stderr, "Go files must be formatted with gofmt. Please run:\n\n")
+	fmt.Fprint(os.Stderr, "  gofmt -w")
+	for _, file := range files {
+		fmt.Fprint(os.Stderr, " \\\n")
+		fmt.Fprintf(os.Stderr, "    %s", file)
+	}
+	fmt.Fprint(os.Stderr, "\n")
+	os.Exit(1)
+	log.Printf("Result: %+v", result)
+}