dirlist: store previous folder info

Store the previous folder in the dirlist and retire the global 'history'
map in the commands package. This ensures that the previous folder is
always available when using ':cf -'.

Signed-off-by: Koni Marti <koni.marti@gmail.com>
Acked-by: Robin Jarry <robin@jarry.cc>

1 files changed, 8 insertions, 0 deletions

diff --git a/app/dirlist.go b/app/dirlist.go
index 7dff934c..6c89aff9 100644
--- a/app/dirlist.go
+++ b/app/dirlist.go
@@ -23,6 +23,8 @@ type DirectoryLister interface {
 	ui.Drawable
 
 	Selected() string
+	Previous() string
+
 	Select(string)
 	Open(string, string, time.Duration, func(types.WorkerMessage), bool)
 
@@ -56,6 +58,7 @@ type DirectoryList struct {
 	dirs      []string
 	selecting string
 	selected  string
+	previous  string
 	spinner   *Spinner
 	worker    *types.Worker
 	ctx       context.Context
@@ -112,6 +115,7 @@ func (dirlist *DirectoryList) Update(msg types.WorkerMessage) {
 	case *types.Done:
 		switch msg := msg.InResponseTo().(type) {
 		case *types.OpenDirectory:
+			dirlist.previous = dirlist.selected
 			dirlist.selected = msg.Directory
 			dirlist.filterDirsByFoldersConfig()
 			hasSelected := false
@@ -222,6 +226,10 @@ func (dirlist *DirectoryList) Selected() string {
 	return dirlist.selected
 }
 
+func (dirlist *DirectoryList) Previous() string {
+	return dirlist.previous
+}
+
 func (dirlist *DirectoryList) Invalidate() {
 	ui.Invalidate()
 }