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|
// though this panel is called the merge panel, it's really going to use the main panel. This may change in the future
package gui
import (
"bufio"
"bytes"
"io/ioutil"
"math"
"os"
"strings"
"github.com/fatih/color"
"github.com/jesseduffield/gocui"
"github.com/jesseduffield/lazygit/pkg/commands"
"github.com/jesseduffield/lazygit/pkg/utils"
)
func (gui *Gui) findConflicts(content string) ([]commands.Conflict, error) {
conflicts := make([]commands.Conflict, 0)
var newConflict commands.Conflict
for i, line := range utils.SplitLines(content) {
if line == "<<<<<<< HEAD" || line == "<<<<<<< MERGE_HEAD" || line == "<<<<<<< Updated upstream" {
newConflict = commands.Conflict{Start: i}
} else if line == "=======" {
newConflict.Middle = i
} else if strings.HasPrefix(line, ">>>>>>> ") {
newConflict.End = i
conflicts = append(conflicts, newConflict)
}
}
return conflicts, nil
}
func (gui *Gui) shiftConflict(conflicts []commands.Conflict) (commands.Conflict, []commands.Conflict) {
return conflicts[0], conflicts[1:]
}
func (gui *Gui) shouldHighlightLine(index int, conflict commands.Conflict, top bool) bool {
return (index >= conflict.Start && index <= conflict.Middle && top) || (index >= conflict.Middle && index <= conflict.End && !top)
}
func (gui *Gui) coloredConflictFile(content string, conflicts []commands.Conflict, conflictIndex int, conflictTop, hasFocus bool) (string, error) {
if len(conflicts) == 0 {
return content, nil
}
conflict, remainingConflicts := gui.shiftConflict(conflicts)
var outputBuffer bytes.Buffer
for i, line := range utils.SplitLines(content) {
colourAttr := color.FgWhite
if i == conflict.Start || i == conflict.Middle || i == conflict.End {
colourAttr = color.FgRed
}
colour := color.New(colourAttr)
if hasFocus && conflictIndex < len(conflicts) && conflicts[conflictIndex] == conflict && gui.shouldHighlightLine(i, conflict, conflictTop) {
colour.Add(color.Bold)
}
if i == conflict.End && len(remainingConflicts) > 0 {
conflict, remainingConflicts = gui.shiftConflict(remainingConflicts)
}
outputBuffer.WriteString(utils.ColoredStringDirect(line, colour) + "\n")
}
return outputBuffer.String(), nil
}
func (gui *Gui) handleSelectTop(g *gocui.Gui, v *gocui.View) error {
gui.State.ConflictTop = true
return gui.refreshMergePanel(g)
}
func (gui *Gui) handleSelectBottom(g *gocui.Gui, v *gocui.View) error {
gui.State.ConflictTop = false
return gui.refreshMergePanel(g)
}
func (gui *Gui) handleSelectNextConflict(g *gocui.Gui, v *gocui.View) error {
if gui.State.ConflictIndex >= len(gui.State.Conflicts)-1 {
return nil
}
gui.State.ConflictIndex++
return gui.refreshMergePanel(g)
}
func (gui *Gui) handleSelectPrevConflict(g *gocui.Gui, v *gocui.View) error {
if gui.State.ConflictIndex <= 0 {
return nil
}
gui.State.ConflictIndex--
return gui.refreshMergePanel(g)
}
func (gui *Gui) isIndexToDelete(i int, conflict commands.Conflict, pick string) bool {
return i == conflict.Middle ||
i == conflict.Start ||
i == conflict.End ||
pick != "both" &&
(pick == "bottom" && i > conflict.Start && i < conflict.Middle) ||
(pick == "top" && i > conflict.Middle && i < conflict.End)
}
func (gui *Gui) resolveConflict(g *gocui.Gui, conflict commands.Conflict, pick string) error {
gitFile, err := gui.getSelectedFile(g)
if err != nil {
return err
}
file, err := os.Open(gitFile.Name)
if err != nil {
return err
}
defer file.Close()
reader := bufio.NewReader(file)
output := ""
for i := 0; true; i++ {
line, err := reader.ReadString('\n')
if err != nil {
break
}
if !gui.isIndexToDelete(i, conflict, pick) {
output += line
}
}
gui.Log.Info(output)
return ioutil.WriteFile(gitFile.Name, []byte(output), 0644)
}
func (gui *Gui) pushFileSnapshot(g *gocui.Gui) error {
gitFile, err := gui.getSelectedFile(g)
if err != nil {
return err
}
content, err := gui.GitCommand.CatFile(gitFile.Name)
if err != nil {
return err
}
gui.State.EditHistory.Push(content)
return nil
}
func (gui *Gui) handlePopFileSnapshot(g *gocui.Gui, v *gocui.View) error {
if gui.State.EditHistory.Len() == 0 {
return nil
}
prevContent := gui.State.EditHistory.Pop().(string)
gitFile, err := gui.getSelectedFile(g)
if err != nil {
return err
}
ioutil.WriteFile(gitFile.Name, []byte(prevContent), 0644)
return gui.refreshMergePanel(g)
}
func (gui *Gui) handlePickHunk(g *gocui.Gui, v *gocui.View) error {
conflict := gui.State.Conflicts[gui.State.ConflictIndex]
gui.pushFileSnapshot(g)
pick := "bottom"
if gui.State.ConflictTop {
pick = "top"
}
err := gui.resolveConflict(g, conflict, pick)
if err != nil {
panic(err)
}
gui.refreshMergePanel(g)
return nil
}
func (gui *Gui) handlePickBothHunks(g *gocui.Gui, v *gocui.View) error {
conflict := gui.State.Conflicts[gui.State.ConflictIndex]
gui.pushFileSnapshot(g)
err := gui.resolveConflict(g, conflict, "both")
if err != nil {
panic(err)
}
return gui.refreshMergePanel(g)
}
func (gui *Gui) refreshMergePanel(
|
