fix backward compatibility

docs/Config.md

@@ -64,8 +64,8 @@ git:
   disableForcePushing: false
   parseEmoji: false
 os:
-  editor: '' # see 'Configuring File Editing' section
-  editCommand: '{{editor}} {{filename}}'
+  editCommand: '' # see 'Configuring File Editing' section
+  editCommandTemplate: '{{editor}} {{filename}}'
   openCommand: ''
 refresher:
   refreshInterval: 10 # file/submodule refresh interval in seconds
@@ -231,7 +231,7 @@ Lazygit will edit a file with the first set editor in the following:
 
 ```yaml
 os:
-  editor: 'vim' # as an example
+  editCommand: 'vim' # as an example
 ```
 
 2. \$(git config core.editor)

pkg/commands/files.go

@@ -323,7 +323,7 @@ func (c *GitCommand) ResetAndClean() error {
 }
 
 func (c *GitCommand) EditFileCmdStr(filename string, lineNumber int) (string, error) {
-	editor := c.Config.GetUserConfig().OS.Editor
+	editor := c.Config.GetUserConfig().OS.EditCommand
 
 	if editor == "" {
 		editor = c.GetConfigValue("core.editor")
@@ -353,6 +353,6 @@ func (c *GitCommand) EditFileCmdStr(filename string, lineNumber int) (string, er
 		"line":     strconv.Itoa(lineNumber),
 	}
 
-	editTemplate := c.Config.GetUserConfig().OS.EditCommand
-	return utils.ResolvePlaceholderString(editTemplate, templateValues), nil
+	editCmdTemplate := c.Config.GetUserConfig().OS.EditCommandTemplate
+	return utils.ResolvePlaceholderString(editCmdTemplate, templateValues), nil
 }

pkg/commands/files_test.go

@@ -742,8 +742,8 @@ func TestGitCommandRemoveUntrackedFiles(t *testing.T) {
 func TestEditFileCmdStr(t *testing.T) {
 	type scenario struct {
 		filename                  string
-		configEditor      string
 		configEditCommand         string
+		configEditCommandTemplate string
 		command                   func(string, ...string) *exec.Cmd
 		getenv                    func(string) string
 		getGitConfigValue         func(string) (string, error)
@@ -912,8 +912,8 @@ func TestEditFileCmdStr(t *testing.T) {
 
 	for _, s := range scenarios {
 		gitCmd := NewDummyGitCommand()
-		gitCmd.Config.GetUserConfig().OS.Editor = s.configEditor
 		gitCmd.Config.GetUserConfig().OS.EditCommand = s.configEditCommand
+		gitCmd.Config.GetUserConfig().OS.EditCommandTemplate = s.configEditCommandTemplate
 		gitCmd.OSCommand.Command = s.command
 		gitCmd.OSCommand.Getenv = s.getenv
 		gitCmd.getGitConfigValue = s.getGitConfigValue

pkg/commands/patch/patch_modifier.go

@@ -137,17 +137,19 @@ func ModifiedPatchForLines(log *logrus.Entry, filename string, diffText string,
 }
 
 // I want to know, given a hunk, what line a given index is on
-func (hunk *PatchHunk) LineNumberOfLine(idx int) (int, error) {
+func (hunk *PatchHunk) LineNumberOfLine(idx int) int {
 	n := idx - hunk.FirstLineIdx - 1
-	if n < 0 || len(hunk.bodyLines) <= n {
-		return -1, fmt.Errorf("line index out of range")
+	if n < 0 {
+		n = 0
+	} else if n >= len(hunk.bodyLines) {
+		n = len(hunk.bodyLines) - 1
 	}
 
 	lines := hunk.bodyLines[0:n]
 
 	offset := nLinesWithPrefix(lines, []string{"+", " "})
 
-	return hunk.newStart + offset, nil
+	return hunk.newStart + offset
 }
 
 func nLinesWithPrefix(lines []string, chars []string) int {

pkg/commands/patch/patch_modifier_test.go

@@ -539,7 +539,7 @@ func TestLineNumberOfLine(t *testing.T) {
 
 	for _, s := range scenarios {
 		t.Run(s.testName, func(t *testing.T) {
-			result, _ := s.hunk.LineNumberOfLine(s.idx)
+			result := s.hunk.LineNumberOfLine(s.idx)
 			if !assert.Equal(t, s.expected, result) {
 				fmt.Println(result)
 			}

pkg/config/config_default_platform.go

@@ -5,8 +5,8 @@ package config
 // GetPlatformDefaultConfig gets the defaults for the platform
 func GetPlatformDefaultConfig() OSConfig {
 	return OSConfig{
-		Editor:          ``,
-		EditCommand:     `{{editor}} {{filename}}`,
+		EditCommand:         ``,
+		EditCommandTemplate: `{{editor}} {{filename}}`,
 		OpenCommand:         "open {{filename}}",
 		OpenLinkCommand:     "open {{link}}",
 	}

pkg/config/config_linux.go

@@ -3,8 +3,8 @@ package config
 // GetPlatformDefaultConfig gets the defaults for the platform
 func GetPlatformDefaultConfig() OSConfig {
 	return OSConfig{
-		Editor:          ``,
-		EditCommand:     `{{editor}} {{filename}}`,
+		EditCommand:         ``,
+		EditCommandTemplate: `{{editor}} {{filename}}`,
 		OpenCommand:         `sh -c "xdg-open {{filename}} >/dev/null"`,
 		OpenLinkCommand:     `sh -c "xdg-open {{link}} >/dev/null"`,
 	}

pkg/config/config_windows.go

@@ -3,8 +3,8 @@ package config
 // GetPlatformDefaultConfig gets the defaults for the platform
 func GetPlatformDefaultConfig() OSConfig {
 	return OSConfig{
-		Editor:          ``,
-		EditCommand:     `{{editor}} {{filename}}`,
+		EditCommand:         ``,
+		EditCommandTemplate: `{{editor}} {{filename}}`,
 		OpenCommand:         `cmd /c "start "" {{filename}}"`,
 		OpenLinkCommand:     `cmd /c "start "" {{link}}"`,
 	}

pkg/config/user_config.go

@@ -252,12 +252,12 @@ type KeybindingSubmodulesConfig struct {
 
 // OSConfig contains config on the level of the os
 type OSConfig struct {
-	// Editor is the command for editing a file
-	Editor string `yaml:"editor,omitempty"`
-
-	// EditCommand is the command template for editing a file
+	// EditCommand is the command for editing a file
 	EditCommand string `yaml:"editCommand,omitempty"`
 
+	// EditCommandTemplate is the command template for editing a file
+	EditCommandTemplate string `yaml:"editCommandTemplate,omitempty"`
+
 	// OpenCommand is the command for opening a file
 	OpenCommand string `yaml:"openCommand,omitempty"`
 

pkg/gui/lbl/state.go

@@ -167,7 +167,7 @@ func (s *State) SelectedRange() (int, int) {
 	}
 }
 
-func (s *State) CurrentLineNumber() (int, error) {
+func (s *State) CurrentLineNumber() int {
 	return s.CurrentHunk().LineNumberOfLine(s.selectedLineIdx)
 }
 

pkg/gui/line_by_line_panel.go

@@ -208,11 +208,7 @@ func (gui *Gui) handleOpenFileAtLine() error {
 		}
 
 		// need to look at current index, then work out what my hunk's header information is, and see how far my line is away from the hunk header
-		lineNumber, err := state.CurrentLineNumber()
-		if err != nil {
-			lineNumber = 1
-		}
-
+		lineNumber := state.CurrentLineNumber()
 		filenameWithLineNum := fmt.Sprintf("%s:%d", filename, lineNumber)
 		if err := gui.OSCommand.OpenFile(filenameWithLineNum); err != nil {
 			return err
@@ -283,10 +279,6 @@ func (gui *Gui) handleLineByLineEdit() error {
 		return nil
 	}
 
-	lineNumber, err := gui.State.Panels.LineByLine.CurrentLineNumber()
-	if err != nil {
-		lineNumber = 1
-	}
-
+	lineNumber := gui.State.Panels.LineByLine.CurrentLineNumber()
 	return gui.editFileAtLine(file.Name, lineNumber)
 }