Prompt to create parent folders (if none) when saving

Fixes #995

diff --git a/cmd/micro/buffer.go b/cmd/micro/buffer.go
index fe2f9886bd13d6f97db7f1449c239a59a8a888c4..a2d95dda8a2c56a164ebbb3ce56910e97b1ef3d9 100644 (file)
--- a/cmd/micro/buffer.go
+++ b/cmd/micro/buffer.go
@@ -4,6 +4,7 @@ import (
        "bytes"
        "crypto/md5"
        "encoding/gob"
+       "errors"
        "io"
        "io/ioutil"
        "os"
@@ -428,7 +429,28 @@ func (b *Buffer) SaveAs(filename string) error {
                b.ModTime, _ = GetModTime(filename)
        }()
 
-       f, err := os.OpenFile(ReplaceHome(filename), os.O_WRONLY|os.O_CREATE, 0644)
+       // Removes any tilde and replaces with the absolute path to home
+       var absFilename string = ReplaceHome(filename)
+
+       // Get the leading path to the file | "." is returned if there's no leading path provided
+       if dirname := filepath.Dir(absFilename); dirname != "." {
+               // Check if the parent dirs don't exist
+               if _, statErr := os.Stat(dirname); os.IsNotExist(statErr) {
+                       // Prompt to make sure they want to create the dirs that are missing
+                       if yes, canceled := messenger.YesNoPrompt("Parent folders \"" + dirname + "\" do not exist. Create them? (y,n)"); yes && !canceled {
+                               // Create all leading dir(s) since they don't exist
+                               if mkdirallErr := os.MkdirAll(dirname, os.ModePerm); mkdirallErr != nil {
+                                       // If there was an error creating the dirs
+                                       return mkdirallErr
+                               }
+                       } else {
+                               // If they canceled the creation of leading dirs
+                               return errors.New("Save aborted")
+                       }
+               }
+       }
+
+       f, err := os.OpenFile(absFilename, os.O_WRONLY|os.O_CREATE, 0644)
        if err != nil {
                return err
        }