(feat): Replace [year] and [fullname] in LICENSE

This commit adds the abbility to replace the [fullname] and [year]
placeholders inside the license file.

UPDATES #2

README.md

@@ -1,6 +1,8 @@
 # `license`
 > Download open source license files for your project
 
+[![](https://godoc.org/github.com/kevingimbel/license/lib?status.svg)](https://godoc.org/github.com/kevingimbel/license/lib) [![](https://goreportcard.com/badge/github.com/kevingimbel/license)](https://goreportcard.com/report/github.com/kevingimbel/license)
+
 `license` is a command line tool which allows you to download open source licenses from [osl.kevingimbel.com](http://osl.kevingimbel.com).
 
 ### Demo

cmd/get.go

@@ -3,19 +3,27 @@ package cmd
 import (
 	"fmt"
 	"io"
+	"io/ioutil"
 	"net/http"
 	"os"
 	"strings"
+	"time"
 
 	"github.com/kevingimbel/license/lib"
 	"github.com/spf13/cobra"
 )
 
-var format string
+var (
+	format string
+	year   string
+	name   string
+)
 
 func init() {
 	RootCmd.AddCommand(getCmd)
-	getCmd.Flags().StringVarP(&format, "format", "f", "", "LICENSE file format")
+	getCmd.Flags().StringVarP(&format, "format", "f", "", "LICENSE file format, e.g. md, txt")
+	getCmd.Flags().StringVarP(&year, "year", "y", time.Now().Format("2006"), "Year for the license")
+	getCmd.Flags().StringVarP(&name, "name", "n", "", "Name of the author")
 }
 
 // getCmd represents the get command
@@ -32,7 +40,7 @@ To see a list of all licenses, run "license list". Use the ID to download a lice
 		var licenseName = strings.ToLower(args[0])
 
 		if licenseName == "" {
-			fmt.Println("Please specifiy a license, see license help get")
+			fmt.Println("Please specify a license, see license help get")
 			os.Exit(1)
 		}
 
@@ -66,12 +74,22 @@ func downloadLicense(url string) error {
 	}
 
 	file, err := os.Create(fmt.Sprintf("LICENSE%s", format))
-
+	defer file.Close()
 	if err != nil {
 		return err
 	}
 
-	_, err = io.Copy(file, response.Body)
+	// Read in response.Body
+	bodyBytes, err := ioutil.ReadAll(response.Body)
+	// Convert to string so we can replace the year and fullname
+	licenseText := string(bodyBytes)
+	// Replace year and fullname
+	licenseText = strings.Replace(licenseText, "[year]", year, 1)
+	if name != "" {
+		licenseText = strings.Replace(licenseText, "[fullname]", name, 1)
+	}
+
+	_, err = io.WriteString(file, licenseText)
 
 	if err != nil {
 		return err

cmd/root.go

@@ -2,10 +2,11 @@ package cmd
 
 import "github.com/spf13/cobra"
 
+// RootCmd represents the root command which is the "entry" point of Cobra
 var RootCmd = &cobra.Command{
 	Use:   "license [sub]",
 	Short: "license is a cli tool to download license files",
-	Long: `Download license files for your open source project.`,
+	Long:  `Download license files for your open source project.`,
 	Run: func(cmd *cobra.Command, args []string) {
 		if len(args) <= 0 {
 			println("Usage: license [sub]")

cmd/update.go

@@ -14,15 +14,16 @@ import (
 var updateCmd = &cobra.Command{
 	Use:   "update",
 	Short: "Fetch the latest license data",
-	Long: fmt.Sprintf(`Download the latest license data as JSON from http://osl.kevin.codes/licenses/
+	Long: fmt.Sprintf(`Download the latest license data as JSON from http://osl.kevingimbel.com/licenses/
 
-The downlaoded data is stored inside the %s file.
+The downloaded data is stored inside the %s file.
 	`, lib.GetOutputFilePath()),
 	Run: func(cmd *cobra.Command, args []string) {
 		Update()
 	},
 }
 
+// Update updates the local cache of available licenses
 func Update() (int, []lib.OSLJSONFormat) {
 	// Create http client and prepare the request
 	httpClient := &http.Client{}

lib/config.go

@@ -1,6 +1,9 @@
 package lib
 
-import "os"
+import (
+	"os"
+	"time"
+)
 
 var (
 	outdir     = os.Getenv("HOME") + "/.license/"
@@ -71,3 +74,17 @@ func GetUpdateURL() string {
 func GetUserAgentHeader() string {
 	return "license v" + version
 }
+
+// GetYear returns the configured year of the license or the current year if none is set
+func GetYear() string {
+	if config.Year != "" {
+		return config.Year
+	}
+
+	return time.Now().Format("2006")
+}
+
+// GetName returns the configured name for the license file or an empty string if none is set
+func GetName() string {
+	return config.Name
+}