Check if LICENSE exists

cobra/cmd/licenses.go

@@ -41,6 +41,7 @@ type License struct {
 func init() {
 	// Allows a user to not use a license.
 	Licenses["none"] = License{"None", []string{"none", "false"}, "", ""}
+	Licenses["empty"] = License{"Empty", []string{"empty", "blank"}, "", ""}
 
 	initApache2()
 	initMit()
@@ -55,7 +56,6 @@ func init() {
 // getLicense returns license specified by user in flag or in config.
 // If user didn't specify the license, it returns none
 //
-// TODO: Inspect project for existing license
 func getLicense() License {
 	// If explicitly flagged, use that.
 	if userLicense != "" {
@@ -73,8 +73,8 @@ func getLicense() License {
 		return findLicense(viper.GetString("license"))
 	}
 
-	// If user didn't set any license, use none by default
-	return Licenses["none"]
+	// If user didn't set any license, use empty by default
+	return Licenses["empty"]
 }
 
 func copyrightLine() string {

cobra/cmd/project.go

@@ -3,6 +3,8 @@ package cmd
 import (
 	"fmt"
 	"os"
+	"path/filepath"
+	"regexp"
 	"text/template"
 
 	"github.com/spf13/cobra"
@@ -65,13 +67,59 @@ func (p *Project) Create() error {
 	}
 
 	// create license
-	return p.createLicenseFile()
+	if p.Legal.Name != "None" {
+		return p.createLicenseFile()
+	}
+	return nil
 }
 
 func (p *Project) createLicenseFile() error {
 	data := map[string]interface{}{
 		"copyright": copyrightLine(),
 	}
+	licensesExist := []string{}
+	err := filepath.Walk(p.AbsolutePath, func(path string, info os.FileInfo, err error) error {
+		if err != nil {
+			return err
+		}
+		if info.IsDir() && filepath.Ext(path) != ".txt" && filepath.Ext(path) != ".md" && filepath.Ext(path) != "" {
+			return nil
+		}
+		reg := regexp.MustCompile(`(?i).*license\.?.*`)
+		if reg.MatchString(info.Name()) {
+			licensesExist = append(licensesExist, info.Name())
+		}
+		return nil
+	})
+	if err != nil {
+		return err
+	}
+	if len(licensesExist) > 0 {
+		fmt.Println("Licenses already exist in the project")
+		fmt.Println("Licenses found:")
+		for _, license := range licensesExist {
+			fmt.Printf("  %s\n", license)
+		}
+		fmt.Print("Would you like still to add a license? [Y/n] ")
+		var answer string
+		fmt.Scanln(&answer)
+		if !(answer == "y" || answer == "Y") {
+			return nil
+		}
+		licenseFound := false
+		for _, license := range licensesExist {
+			if license == "LICENSE" {
+				licenseFound = true
+			}
+		}
+		if licenseFound {
+			fmt.Print("LICENSE exists. Would you like to overwrite it? [Y/n] ")
+			fmt.Scanln(&answer)
+			if !(answer == "y" || answer == "Y") {
+				return nil
+			}
+		}
+	}
 	licenseFile, err := os.Create(fmt.Sprintf("%s/LICENSE", p.AbsolutePath))
 	if err != nil {
 		return err

cobra/cmd/root.go

@@ -50,7 +50,7 @@ func init() {
 	cobra.CheckErr(viper.BindPFlag("author", rootCmd.PersistentFlags().Lookup("author")))
 	cobra.CheckErr(viper.BindPFlag("useViper", rootCmd.PersistentFlags().Lookup("viper")))
 	viper.SetDefault("author", "NAME HERE <EMAIL ADDRESS>")
-	viper.SetDefault("license", "none")
+	viper.SetDefault("license", "empty")
 
 	rootCmd.AddCommand(addCmd)
 	rootCmd.AddCommand(initCmd)