allow entering and returning from submodule

pkg/gui/files_panel.go

@@ -8,6 +8,7 @@ import (
 	// "strings"
 
 	"fmt"
+	"os"
 	"regexp"
 	"strings"
 
@@ -159,6 +160,17 @@ func (gui *Gui) enterFile(forceSecondaryFocused bool, selectedLineIdx int) error
 		return nil
 	}
 
+	submoduleConfigs := gui.State.SubmoduleConfigs
+	if file.IsSubmodule(submoduleConfigs) {
+		wd, err := os.Getwd()
+		if err != nil {
+			return err
+		}
+		gui.State.RepoPathStack = append(gui.State.RepoPathStack, wd)
+		submoduleConfig := file.SubmoduleConfig(submoduleConfigs)
+		return gui.dispatchSwitchToRepo(submoduleConfig.Path)
+	}
+
 	if file.HasInlineMergeConflicts {
 		return gui.handleSwitchToMerge()
 	}

pkg/gui/gui.go

@@ -317,6 +317,10 @@ type guiState struct {
 	// Some views move between windows for example the commitFiles view and when cycling through
 	// side windows we need to know which view to give focus to for a given window
 	WindowViewNameMap map[string]string
+
+	// when you enter into a submodule we'll append the superproject's path to this array
+	// so that you can return to the superproject
+	RepoPathStack []string
 }
 
 func (gui *Gui) resetState() {
@@ -329,10 +333,12 @@ func (gui *Gui) resetState() {
 		CherryPickedCommits: make([]*commands.Commit, 0),
 		ContextKey:          "",
 	}
+	prevRepoPathStack := []string{}
 	if gui.State != nil {
 		prevFiltering = gui.State.Modes.Filtering
 		prevDiff = gui.State.Modes.Diffing
 		prevCherryPicking = gui.State.Modes.CherryPicking
+		prevRepoPathStack = gui.State.RepoPathStack
 	}
 
 	modes := Modes{
@@ -371,6 +377,7 @@ func (gui *Gui) resetState() {
 		Ptmx:           nil,
 		Modes:          modes,
 		ViewContextMap: gui.initialViewContextMap(),
+		RepoPathStack:  prevRepoPathStack,
 	}
 }
 

pkg/gui/quitting.go

@@ -49,6 +49,18 @@ func (gui *Gui) handleTopLevelReturn(g *gocui.Gui, v *gocui.View) error {
 		}
 	}
 
+
+	repoPathStack := gui.State.RepoPathStack
+	if len(repoPathStack) > 0 {
+		n := len(repoPathStack) - 1
+
+		path := repoPathStack[n]
+
+		gui.State.RepoPathStack = repoPathStack[:n]
+
+		return gui.dispatchSwitchToRepo(path)
+	}
+
 	if gui.Config.GetUserConfig().GetBool("quitOnTopLevelReturn") {
 		return gui.handleQuit()
 	}

pkg/gui/recent_repos_panel.go

@@ -17,24 +17,14 @@ func (gui *Gui) handleCreateRecentReposMenu() error {
 	// we won't show the current repo hence the -1
 	menuItems := make([]*menuItem, reposCount-1)
 	for i, path := range recentRepoPaths[1:reposCount] {
-		innerPath := path
+		path := path // cos we're closing over the loop variable
 		menuItems[i] = &menuItem{
 			displayStrings: []string{
-				filepath.Base(innerPath),
-				yellow.Sprint(innerPath),
+				filepath.Base(path),
+				yellow.Sprint(path),
 			},
 			onPress: func() error {
-				env.UnsetGitDirEnvs()
-				if err := os.Chdir(innerPath); err != nil {
-					return err
-				}
-				newGitCommand, err := commands.NewGitCommand(gui.Log, gui.OSCommand, gui.Tr, gui.Config)
-				if err != nil {
-					return err
-				}
-				gui.GitCommand = newGitCommand
-				gui.State.Modes.Filtering.Path = ""
-				return gui.Errors.ErrSwitchRepo
+				return gui.dispatchSwitchToRepo(path)
 			},
 		}
 	}
@@ -42,6 +32,20 @@ func (gui *Gui) handleCreateRecentReposMenu() error {
 	return gui.createMenu(gui.Tr.SLocalize("RecentRepos"), menuItems, createMenuOptions{showCancel: true})
 }
 
+func (gui *Gui) dispatchSwitchToRepo(path string) error {
+	env.UnsetGitDirEnvs()
+	if err := os.Chdir(path); err != nil {
+		return err
+	}
+	newGitCommand, err := commands.NewGitCommand(gui.Log, gui.OSCommand, gui.Tr, gui.Config)
+	if err != nil {
+		return err
+	}
+	gui.GitCommand = newGitCommand
+	gui.State.Modes.Filtering.Path = ""
+	return gui.Errors.ErrSwitchRepo
+}
+
 // updateRecentRepoList registers the fact that we opened lazygit in this repo,
 // so that we can open the same repo via the 'recent repos' menu
 func (gui *Gui) updateRecentRepoList() error {