Fix to set the application CWD to the HOME directory (#122)

editor/editor.go

@@ -11,6 +11,7 @@ import (
 	"strings"
 	"sync"
 
+	"github.com/akiyosi/goneovim/util"
 	frameless "github.com/akiyosi/goqtframelesswindow"
 	clipb "github.com/atotto/clipboard"
 	"github.com/jessevdk/go-flags"
@@ -188,6 +189,19 @@ func InitEditor() {
 		e.cleanup()
 	})
 
+	// Set the current working directory of the application to the HOME directory.
+	// If this process is not executed, CWD is set to the root directory, and
+	// nvim plugins called as descendants of the application will not work due to lack of permission.
+	// e.g. #122
+	path := core.QCoreApplication_ApplicationDirPath()
+	absHome, err := util.ExpandTildeToHomeDirectory(home)
+	if err == nil {
+		if path != absHome {
+			qdir := core.NewQDir2(path)
+			qdir.SetCurrent(absHome)
+		}
+	}
+
 	e.initFont()
 	e.initSVGS()
 	e.initColorPalette()

fuzzy/fuzzy.go

@@ -308,7 +308,7 @@ func (s *Fuzzy) processSource() {
 		if !ok {
 			s.pwd = ""
 		}
-		path, err := expand(s.pwd)
+		path, err := gonvimUtil.ExpandTildeToHomeDirectory(s.pwd)
 		if err == nil {
 			s.pwd = path
 		}
@@ -326,7 +326,7 @@ func (s *Fuzzy) processSource() {
 			if !ok {
 				dir = ""
 			}
-			path, err := expand(dir)
+			path, err := gonvimUtil.ExpandTildeToHomeDirectory(dir)
 			if err == nil {
 				dir = path
 			}
@@ -765,14 +765,3 @@ func insertAtIndex(in string, i int, newChar string) string {
 // 	return int(iface.(uint64))
 // }
 
-func expand(path string) (string, error) {
-	if len(path) == 0 || path[0] != '~' {
-		return path, nil
-	}
-
-	usr, err := user.Current()
-	if err != nil {
-		return "", err
-	}
-	return filepath.Join(usr.HomeDir, path[1:]), nil
-}

util/utils.go

@@ -2,6 +2,8 @@ package util
 
 import (
 	"strings"
+	"os/user"
+	"path/filepath"
 
 	"github.com/therecipe/qt/core"
 	"github.com/therecipe/qt/gui"
@@ -268,3 +270,15 @@ func NewVFlowLayout(spacing int, padding int, paddingTop int, rightIdex int, wid
 	})
 	return layout
 }
+
+func ExpandTildeToHomeDirectory(path string) (string, error) {
+	if len(path) == 0 || path[0] != '~' {
+		return path, nil
+	}
+
+	usr, err := user.Current()
+	if err != nil {
+		return "", err
+	}
+	return filepath.Join(usr.HomeDir, path[1:]), nil
+}