From da6fe01eca531635c09627c60bd38d49bb092906 Mon Sep 17 00:00:00 2001
From: Jesse Duffield <jessedduffield@gmail.com>
Date: Sun, 21 Mar 2021 08:41:06 +1100
Subject: allow toggling on/off file tree mode

---
 pkg/commands/models/file.go             | 15 ++++++----
 pkg/commands/models/status_line_node.go | 49 ++++++++++++++++++++++++++++++++-
 2 files changed, 57 insertions(+), 7 deletions(-)

(limited to 'pkg/commands/models')

diff --git a/pkg/commands/models/file.go b/pkg/commands/models/file.go
index 32e90f718..3e28ca46f 100644
--- a/pkg/commands/models/file.go
+++ b/pkg/commands/models/file.go
@@ -1,8 +1,6 @@
 package models
 
 import (
-	"strings"
-
 	"github.com/jesseduffield/lazygit/pkg/utils"
 )
 
@@ -10,6 +8,7 @@ import (
 // duplicating this for now
 type File struct {
 	Name                    string
+	PreviousName            string
 	HasStagedChanges        bool
 	HasUnstagedChanges      bool
 	Tracked                 bool
@@ -25,12 +24,16 @@ type File struct {
 const RENAME_SEPARATOR = " -> "
 
 func (f *File) IsRename() bool {
-	return strings.Contains(f.Name, RENAME_SEPARATOR)
+	return f.PreviousName != ""
 }
 
 // Names returns an array containing just the filename, or in the case of a rename, the after filename and the before filename
 func (f *File) Names() []string {
-	return strings.Split(f.Name, RENAME_SEPARATOR)
+	result := []string{f.Name}
+	if f.PreviousName != "" {
+		result = append(result, f.PreviousName)
+	}
+	return result
 }
 
 // returns true if the file names are the same or if a a file rename includes the filename of the other
@@ -73,6 +76,6 @@ func (f *File) GetIsTracked() bool {
 }
 
 func (f *File) GetPath() string {
-	names := f.Names()
-	return names[len(names)-1]
+	// TODO: remove concept of name; just use path
+	return f.Name
 }
diff --git a/pkg/commands/models/status_line_node.go b/pkg/commands/models/status_line_node.go
index 3962e0c42..84dc638ba 100644
--- a/pkg/commands/models/status_line_node.go
+++ b/pkg/commands/models/status_line_node.go
@@ -2,7 +2,10 @@ package models
 
 import (
 	"fmt"
+	"os"
+	"path/filepath"
 	"sort"
+	"strings"
 )
 
 type StatusLineNode struct {
@@ -67,6 +70,30 @@ func (s *StatusLineNode) getNodeAtIndexAux(index int, collapsedPaths map[string]
 	return nil, offset
 }
 
+func (s *StatusLineNode) GetIndexForPath(path string, collapsedPaths map[string]bool) (int, bool) {
+	return s.getIndexForPathAux(path, collapsedPaths)
+}
+
+func (s *StatusLineNode) getIndexForPathAux(path string, collapsedPaths map[string]bool) (int, bool) {
+	offset := 0
+
+	if s.Path == path {
+		return offset, true
+	}
+
+	if !collapsedPaths[s.GetPath()] {
+		for _, child := range s.Children {
+			offsetChange, found := child.getIndexForPathAux(path, collapsedPaths)
+			offset += offsetChange + 1
+			if found {
+				return offset, true
+			}
+		}
+	}
+
+	return offset, false
+}
+
 func (s *StatusLineNode) IsLeaf() bool {
 	return len(s.Children) == 0
 }
@@ -161,7 +188,6 @@ func (s *StatusLineNode) compressAux() *StatusLineNode {
 	for i := range s.Children {
 		for s.Children[i].HasExactlyOneChild() {
 			grandchild := s.Children[i].Children[0]
-			grandchild.Name = fmt.Sprintf("%s/%s", s.Children[i].Name, grandchild.Name)
 			s.Children[i] = grandchild
 		}
 	}
@@ -215,3 +241,24 @@ func (s *StatusLineNode) ForEachFile(cb func(*File) error) error {
 
 	return nil
 }
+
+func (s *StatusLineNode) NameAtDepth(depth int) string {
+	splitName := strings.Split(s.Name, string(os.PathSeparator))
+	name := filepath.Join(splitName[depth:]...)
+
+	if s.File != nil && s.File.IsRename() {
+		splitPrevName := strings.Split(s.File.PreviousName, string(os.PathSeparator))
+
+		prevName := s.File.PreviousName
+		// if the file has just been renamed inside the same directory, we can shave off
+		// the prefix for the previous path too. Otherwise we'll keep it unchanged
+		sameParentDir := filepath.Join(splitName[0:depth]...) == filepath.Join(splitPrevName[0:depth]...)
+		if sameParentDir {
+			prevName = filepath.Join(splitPrevName[depth:]...)
+		}
+
+		return fmt.Sprintf("%s%s%s", prevName, " -> ", name)
+	}
+
+	return name
+}
-- 
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