simple concurrency

cmd/assignment.go

@@ -197,8 +197,12 @@ var pullAssignmentCmd = &cobra.Command{
 
     stdIds := getStudentIDs(args[1])
 
+    ack := make(chan bool, len(stdIds))
+
     for _,stdID  := range stdIds {
-      stdGrpName := strings.Join([]string{viper.GetString("basegroup"), viper.GetString("semester"), args[1], stdID}, "/")
+      go func (arg string) {
+
+      stdGrpName := strings.Join([]string{viper.GetString("basegroup"), viper.GetString("semester"), args[1], arg}, "/")
       sg := getGitlabGroup(gitl, stdGrpName)
 
       projcts,_,prjErr := gitl.Groups.ListGroupProjects(sg.ID, nil)
@@ -217,11 +221,11 @@ var pullAssignmentCmd = &cobra.Command{
       }
       if foundProj == false {
         prjNFErr := errors.New("Assignment could not be found for student ID: ")
-        fmt.Println(prjNFErr, stdID)
+        fmt.Println(prjNFErr, arg)
         os.Exit(1)
       }
 
-      studentClonePath := strings.Join([]string{viper.GetString("checkoutPath"), viper.GetString("semester"), args[1], stdID, frkProj.Name}, "/")
+      studentClonePath := strings.Join([]string{viper.GetString("checkoutPath"), viper.GetString("semester"), args[1], arg, frkProj.Name}, "/")
       dirErr := os.MkdirAll(studentClonePath, os.ModePerm)
       if dirErr != nil {
         log.Fatal(dirErr)
@@ -267,6 +271,12 @@ var pullAssignmentCmd = &cobra.Command{
       }
 
       fmt.Println(commit)
+      ack <- true
+      }(stdID)
+    }
+
+    for i:= 0; i < len(stdIds); i++ {
+      <-ack
     }
 
 	},