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package gui
import (
"regexp"
"github.com/jesseduffield/gocui"
"github.com/jesseduffield/lazygit/pkg/commands"
"github.com/jesseduffield/lazygit/pkg/gui/presentation"
)
// list panel functions
func (gui *Gui) getSelectedReflogCommit() *commands.Commit {
selectedLine := gui.State.Panels.ReflogCommits.SelectedLine
if selectedLine == -1 || len(gui.State.ReflogCommits) == 0 {
return nil
}
return gui.State.ReflogCommits[selectedLine]
}
func (gui *Gui) handleReflogCommitSelect(g *gocui.Gui, v *gocui.View) error {
if gui.popupPanelFocused() {
return nil
}
gui.State.SplitMainPanel = false
if _, err := gui.g.SetCurrentView(v.Name()); err != nil {
return err
}
gui.getMainView().Title = "Reflog Entry"
commit := gui.getSelectedReflogCommit()
if commit == nil {
return gui.newStringTask("main", "No reflog history")
}
v.FocusPoint(0, gui.State.Panels.ReflogCommits.SelectedLine)
cmd := gui.OSCommand.ExecutableFromString(
gui.GitCommand.ShowCmdStr(commit.Sha),
)
if err := gui.newPtyTask("main", cmd); err != nil {
gui.Log.Error(err)
}
return nil
}
func (gui *Gui) refreshReflogCommits() error {
commits, err := gui.GitCommand.GetReflogCommits()
if err != nil {
return gui.createErrorPanel(gui.g, err.Error())
}
gui.State.ReflogCommits = commits
if gui.getCommitsView().Context == "reflog-commits" {
return gui.renderReflogCommitsWithSelection()
}
return nil
}
func (gui *Gui) renderReflogCommitsWithSelection() error {
commitsView := gui.getCommitsView()
gui.refreshSelectedLine(&gui.State.Panels.ReflogCommits.SelectedLine, len(gui.State.ReflogCommits))
displayStrings := presentation.GetCommitListDisplayStrings(gui.State.ReflogCommits, gui.State.ScreenMode != SCREEN_NORMAL)
gui.renderDisplayStrings(commitsView, displayStrings)
if gui.g.CurrentView() == commitsView && commitsView.Context == "reflog-commits" {
if err := gui.handleReflogCommitSelect(gui.g, commitsView); err != nil {
return err
}
}
return nil
}
func (gui *Gui) handleCheckoutReflogCommit(g *gocui.Gui, v *gocui.View) error {
commit := gui.getSelectedReflogCommit()
if commit == nil {
return nil
}
err := gui.createConfirmationPanel(g, gui.getCommitsView(), true, gui.Tr.SLocalize("checkoutCommit"), gui.Tr.SLocalize("SureCheckoutThisCommit"), func(g *gocui.Gui, v *gocui.View) error {
return gui.handleCheckoutRef(commit.Sha, nil)
}, nil)
if err != nil {
return err
}
gui.State.Panels.ReflogCommits.SelectedLine = 0
return nil
}
func (gui *Gui) handleCreateReflogResetMenu(g *gocui.Gui, v *gocui.View) error {
commit := gui.getSelectedReflogCommit()
return gui.createResetMenu(commit.Sha)
}
type reflogAction struct {
regexStr string
action func(match []string, commitSha string, prevCommitSha string, onDone func()) (bool, error)
}
func (gui *Gui) reflogKey(reflogCommit *commands.Commit) string {
return reflogCommit.Date + reflogCommit.Name
}
func (gui *Gui) idxOfUndoReflogKey(key string) int {
for i, reflogCommit := range gui.State.ReflogCommits {
if gui.reflogKey(reflogCommit) == key {
return i
}
}
return -1
}
func (gui *Gui) setUndoReflogKey(key string) {
gui.State.Undo.ReflogKey = key
// adding one because this is called before we actually refresh the reflog on our end
// so the index will soon change.
gui.State.Undo.ReflogIdx = gui.idxOfUndoReflogKey(key) + 1
}
func (gui *Gui) reflogUndo(g *gocui.Gui, v *gocui.View) error {
reflogCommits := gui.State.ReflogCommits
reflogActions := []reflogAction{
{
regexStr: `^checkout: moving from ([\S]+)`,
action: func(match []string, commitSha string, prevCommitSha string, onDone func()) (bool, error) {
if len(match) <= 1 {
return false, nil
}
return true, gui.handleCheckoutRef(match[1], onDone)
},
},
{
regexStr: `^commit|^rebase -i \(start\)`,
action: func(match []string, commitSha string, prevCommitSha string, onDone func()) (bool, error) {
return true, gui.handleHardResetWithAutoStash(prevCommitSha, onDone)
},
},
}
// if the index of the previous reflog entry has changed, we need to start from the beginning, because it means there's been user input.
startIndex := gui.State.Undo.ReflogIdx
if gui.idxOfUndoReflogKey(gui.State.Undo.ReflogKey) != gui.State.Undo.ReflogIdx {
startIndex = 0
}
for offsetIdx, reflogCommit := range reflogCommits[startIndex:] {
i := offsetIdx + startIndex
for _, action := range reflogActions {
re := regexp.MustCompile(action.regexStr)
match := re.FindStringSubmatch(reflogCommit.Name)
if len(match) == 0 {
continue
}
prevCommitSha := ""
if len(reflogCommits)-1 >= i+1 {
prevCommitSha = reflogCommits[i+1].Sha
}
nextKey := gui.reflogKey(gui.State.ReflogCommits[i+1])
onDone := func() {
gui.setUndoReflogKey(nextKey)
}
isMatchingAction, err := action.action(match, reflogCommit.Sha, prevCommitSha, onDone)
if !isMatchingAction {
continue
}
return err
}
}
return nil
}
// only to be used in the undo flow for now
func (gui *Gui) handleHardResetWithAutoStash(commitSha string, onDone func()) error {
// if we have any modified tracked files we need to ask the user if they want us to stash for them
dirtyWorkingTree := false
for _, file := range gui.State.Files {
if file.Tracked {
dirtyWorkingTree = true
break
}
}
if dirtyWorkingTree {
// offer to autostash changes
return gui.createConfirmationPanel(gui.g, gui.getBranchesView(), true, gui.Tr.SLocalize("AutoStashTitle"), gui.Tr.SLocalize("AutoStashPrompt"), func(g *gocui.Gui, v *gocui.View) error {
if err := gui.GitCommand.StashSave(gui.Tr.SLocalize("StashPrefix") + commitSha); err != nil {
return gui.createErrorPanel(g,
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