add flags

Author: robswc

cmd/upreq/root.go

@@ -10,14 +10,24 @@ import (
 var rootCmd = &cobra.Command{
 	Use:   "upreq",
 	Short: "upreq - a small CLI to help manage your requirements.txt file",
-	Long:  `upreq is a small CLI to help manage your requirements.txt file.`,
-	Args:  cobra.ExactArgs(0),
+	Long: `upreq - a small CLI to help manage your requirements.txt file
+
+For more information, visit: https://github.com/robswc/upreq
+
+`,
+	Args: cobra.ExactArgs(0),
 	Run: func(cmd *cobra.Command, args []string) {
 
+		// get the flags
+		file, _ := cmd.Flags().GetString("file")
+		strip, _ := cmd.Flags().GetBool("strip")
+		git, _ := cmd.Flags().GetBool("git")
+
 		// grab current requirements
-		var file = cmd.Flag("file").Value.String()
-		var oldReqs = upreq.GetReqs(file)
-		fmt.Printf("Found (%[1]s) requirements in %[2]s\n", fmt.Sprint(len(oldReqs)), file)
+		var oldReqs = upreq.GetReqs(file, strip)
+		if !strip {
+			fmt.Printf("Found (%[1]s) requirements in %[2]s\n", fmt.Sprint(len(oldReqs)), file)
+		}
 
 		// wipe the file
 		upreq.WipeFile(file)
@@ -30,18 +40,25 @@ var rootCmd = &cobra.Command{
 		upreq.DisplayDiff(diff, cmd.Flag("strip").Value.String())
 
 		// write new requirements
-		var writtenReqs = upreq.WriteReqs(file, newReqs)
-		fmt.Printf("Wrote (%[1]s) requirements to %[2]s\n", fmt.Sprint(len(writtenReqs)), file)
+		var writtenReqs = upreq.WriteReqs(file, newReqs, strip)
+		if !strip {
+			fmt.Printf("Wrote (%[1]s) new requirements to %[2]s\n", fmt.Sprint(len(writtenReqs)), file)
+		}
+
+		// add the file to git
+		if git {
+			upreq.GitAdd(file, strip)
+		}
 
 	},
 }
 
 func Execute() {
 
 	// add all the flags
-	rootCmd.Flags().StringP("file", "f", "requirements.txt", "Specify the requirements file to use")
-	rootCmd.Flags().BoolP("strip", "s", false, "Strips '+' and '-' from the output")
-	rootCmd.Flags().BoolP("git", "g", false, "Automatically add the file to git")
+	rootCmd.Flags().StringP("file", "f", "requirements.txt", "Specify the requirements file")
+	rootCmd.Flags().BoolP("strip", "s", false, "Strips all feedback from the output (useful for piping)")
+	rootCmd.Flags().BoolP("git", "g", false, "Automatically add the file to git, after writing")
 
 	// run root command
 	if err := rootCmd.Execute(); err != nil {

pkg/upreq/upreq.go

@@ -9,11 +9,13 @@ import (
 	"strings"
 )
 
-func GetReqs(path string) []string {
+func GetReqs(path string, strip bool) []string {
 
 	// check that the file exists
 	if _, err := os.Stat(path); os.IsNotExist(err) {
-		fmt.Println("No current requirements file found.")
+		if !strip {
+			fmt.Println("No current requirements file found.")
+		}
 		return nil
 	}
 
@@ -61,7 +63,7 @@ func WipeFile(path string) {
 	}
 }
 
-func WriteReqs(path string, reqs []string) []string {
+func WriteReqs(path string, reqs []string, strip bool) []string {
 
 	// check that the file exists, if not create it
 	if _, err := os.Stat(path); os.IsNotExist(err) {
@@ -94,7 +96,7 @@ func WriteReqs(path string, reqs []string) []string {
 			log.Fatal(err)
 		}
 	}
-	return GetReqs(path)
+	return GetReqs(path, strip)
 }
 
 func DiffCheck(oldReqs []string, newReqs []string) []string {
@@ -137,3 +139,13 @@ func GetEnvReqs() []string {
 	reqs := strings.Fields(string(out))
 	return reqs
 }
+
+func GitAdd(path string, strip bool) {
+	add := exec.Command("git", "add", path)
+	err := add.Run()
+	if err != nil {
+		if !strip {
+			fmt.Println(err)
+		}
+	}
+}