only push on changes (#27)

Only push if there are no changes for sync command

README.md

@@ -18,8 +18,8 @@ dotctl init
 dotctl add ~/.config/nvim
 # create symlinks
 dotctl link
-# sync changes
+# sync
-dotctl sync -r <your-git-repo>
+dotctl sync -r <remote-repo>
 ```
 
 ## Development

cmd/sync.go

@@ -108,6 +108,9 @@ func runSyncCommand(cmd *cobra.Command, args []string) {
   passwordVal, err := password.Run()
   CheckIfError(err)
 
+
+  fmt.Println("Pulling from remote")
+
 	err = w.Pull(&git.PullOptions{
 		RemoteName: "origin",
     Auth: &http.BasicAuth {
@@ -122,6 +125,14 @@ func runSyncCommand(cmd *cobra.Command, args []string) {
     fmt.Fprintf(cmd.OutOrStdout(), "successfully pulled from %s", origin)
   }
 
+  status, err := w.Status()
+  if err != nil {
+    log.Fatalln("Error getting status", err)
+  }
+
+  if !status.IsClean() {
+    fmt.Println("Changes detected, committing and pushing...")
+
     err = gitAddFiles(w, FileSystem)
     if err != nil {
       log.Fatalf("Could not add files: %s\n", err)
@@ -157,6 +168,7 @@ func runSyncCommand(cmd *cobra.Command, args []string) {
       },
     })
     CheckIfError(err)
-  viper.WriteConfig()
+  }
   
+  viper.WriteConfig()
 }