lazygit/pkg/gui/controllers/local_commits_controller.go

package controllers

import (
	"strings"
	"time"

	"github.com/go-errors/errors"
	"github.com/jesseduffield/lazygit/pkg/commands/git_commands"
	"github.com/jesseduffield/lazygit/pkg/commands/models"
	"github.com/jesseduffield/lazygit/pkg/gocui"
	"github.com/jesseduffield/lazygit/pkg/gui/context"
	"github.com/jesseduffield/lazygit/pkg/gui/context/traits"
	"github.com/jesseduffield/lazygit/pkg/gui/controllers/helpers"
	"github.com/jesseduffield/lazygit/pkg/gui/style"
	"github.com/jesseduffield/lazygit/pkg/gui/types"
	"github.com/jesseduffield/lazygit/pkg/utils"
	"github.com/samber/lo"
	"github.com/stefanhaller/git-todo-parser/todo"
)

// after selecting the 200th commit, we'll load in all the rest
const COMMIT_THRESHOLD = 200

// How long a commit move may take before the drop indicator switches to a
// "moving commits here" spinner; quick moves stay free of flicker.
const commitDragMovingIndicatorDelay = 200 * time.Millisecond

type (
	PullFilesFn func() error
)

type LocalCommitsController struct {
	baseController
	*ListControllerTrait[*models.Commit]
	c *ControllerCommon

	pullFiles                  PullFilesFn
	commitDrag                 *commitDragState
	dragAutoscroller           *helpers.DragAutoscroller
	movingCommitsIndicatorStop chan struct{}
}

// commitDragState tracks a mouse drag that moves the selected commits. It is
// created when the left button is pressed on the current selection, and lives
// until the button is released or the drag is canceled.
type commitDragState struct {
	// Model index that was pressed; releasing without having moved collapses
	// the selection to this commit, like a plain click would.
	pressedIndex int
	// Bounds of the selection at press time.
	startIndex int
	endIndex   int
	// Identifying information of the dragged commits, so that they can be
	// found again on release even if the model was refreshed during the drag.
	commitIdentities []commitDragIdentity
	// Cursor and range-start position relative to startIndex, for restoring
	// the selection after the move.
	selectedOffset   int
	rangeStartOffset int
	rangeSelectMode  traits.RangeSelectMode
	// Smallest and largest allowed insertion index. During a rebase this
	// restricts the drag to the contiguous block of movable todos around the
	// selection.
	minInsertion int
	maxInsertion int
	// Current insertion index, or -1 if dropping wouldn't move anything
	// (pointer over the dragged block itself).
	insertionIndex int
	// Whether any drag motion arrived since the press; distinguishes a drag
	// from a plain click on the selection.
	hasMoved bool
}

type commitDragIdentity struct {
	hash       string
	name       string
	action     todo.TodoCommand
	actionFlag string
}

var _ types.IController = &LocalCommitsController{}

func NewLocalCommitsController(
	c *ControllerCommon,
	pullFiles PullFilesFn,
) *LocalCommitsController {
	controller := &LocalCommitsController{
		baseController: baseController{},
		c:              c,
		pullFiles:      pullFiles,
		ListControllerTrait: NewListControllerTrait(
			c,
			c.Contexts().LocalCommits,
			c.Contexts().LocalCommits.GetSelected,
			c.Contexts().LocalCommits.GetSelectedItems,
		),
	}
	controller.dragAutoscroller = helpers.NewDragAutoscroller(
		c.HelperCommon,
		c.Contexts().LocalCommits,
		controller.canCommitDragAutoscroll,
		controller.handleCommitDragAutoscroll,
	)
	return controller
}

func (self *LocalCommitsController) GetMouseKeybindings(types.KeybindingsOpts) []*gocui.ViewMouseBinding {
	viewName := self.context().GetViewName()
	return []*gocui.ViewMouseBinding{
		{
			ViewName:    viewName,
			FocusedView: viewName,
			Key:         gocui.MouseLeft,
			Handler:     self.handleCommitDragPress,
		},
		{
			ViewName:    viewName,
			FocusedView: viewName,
			Key:         gocui.MouseLeft,
			Modifier:    gocui.ModMotion,
			Handler:     self.handleCommitDrag,
		},
		{
			ViewName:    viewName,
			FocusedView: viewName,
			Key:         gocui.MouseRelease,
			Handler:     self.handleCommitDragRelease,
		},
	}
}

func (self *LocalCommitsController) handleCommitDragPress(opts gocui.ViewMouseBindingOpts) error {
	context := self.context()
	pressedIndex := context.ViewIndexToModelIndex(opts.Y)
	startIndex, endIndex := context.GetSelectionRange()
	selectedIndex, rangeStartIndex, rangeSelectMode := context.GetSelectionRangeAndMode()
	selectedCommits, _, _ := context.GetSelectedItems()
	// Only a single press on the current selection (of commits that may be
	// moved) starts a drag; everything else falls through to the generic
	// list click handling, i.e. selecting the pressed line, double-click
	// actions, or dragging out a range selection. The view-index comparison
	// rejects presses on section headers, which map to the model index of a
	// nearby commit.
	if opts.IsDoubleClick ||
		pressedIndex < startIndex || pressedIndex > endIndex ||
		context.ModelIndexToViewIndex(pressedIndex) != opts.Y ||
		self.midRebaseMoveCommandEnabled(selectedCommits, startIndex, endIndex) != nil {
		return gocui.ErrKeybindingNotHandled
	}

	minInsertion, maxInsertion := self.commitDragInsertionBounds(startIndex, endIndex)
	self.commitDrag = &commitDragState{
		pressedIndex: pressedIndex,
		startIndex:   startIndex,
		endIndex:     endIndex,
		commitIdentities: lo.Map(selectedCommits, func(commit *models.Commit, _ int) commitDragIdentity {
			return commitDragIdentityForCommit(commit)
		}),
		selectedOffset:   selectedIndex - startIndex,
		rangeStartOffset: rangeStartIndex - startIndex,
		rangeSelectMode:  rangeSelectMode,
		minInsertion:     minInsertion,
		maxInsertion:     maxInsertion,
		insertionIndex:   -1,
	}
	self.restoreCommitDragHighlight()
	return nil
}

func (self *LocalCommitsController) commitDragInsertionBounds(startIndex int, endIndex int) (int, int) {
	commits := self.c.Model().Commits
	if !self.isRebasing() {
		return 0, len(commits)
	}

	minInsertion := startIndex
	for minInsertion > 0 && commits[minInsertion-1].IsTODO() && commits[minInsertion-1].Status != models.StatusConflicted {
		minInsertion--
	}
	maxInsertion := endIndex + 1
	for maxInsertion < len(commits) && commits[maxInsertion].IsTODO() && commits[maxInsertion].Status != models.StatusConflicted {
		maxInsertion++
	}
	return minInsertion, maxInsertion
}

func (self *LocalCommitsController) handleCommitDrag(opts gocui.ViewMouseBindingOpts) error {
	if self.commitDrag == nil {
		return gocui.ErrKeybindingNotHandled
	}

	self.commitDrag.hasMoved = true
	if self.updateCommitDragInsertion(opts.Y) {
		self.c.PostRefreshUpdateKeepingScrollPosition(self.context())
	}
	originY := self.context().GetView().OriginY()
	self.dragAutoscroller.Update(opts.Y - originY)
	self.restoreCommitDragHighlight()
	return nil
}

func (self *LocalCommitsController) updateCommitDragInsertion(viewIndex int) bool {
	insertionIndex := self.commitDragInsertionIndex(viewIndex)
	if insertionIndex >= self.commitDrag.startIndex && insertionIndex <= self.commitDrag.endIndex+1 {
		insertionIndex = -1
	}
	if insertionIndex == self.commitDrag.insertionIndex {
		return false
	}

	self.commitDrag.insertionIndex = insertionIndex
	if insertionIndex < 0 {
		self.context().ClearDropInsertionIndex()
	} else {
		self.context().SetDropInsertionIndex(insertionIndex)
	}
	return true
}

// gocui moves the view cursor to the pointer position before invoking our
// handlers; move it back so that the dragged commits stay highlighted for the
// whole duration of the drag.
func (self *LocalCommitsController) restoreCommitDragHighlight() {
	state := self.commitDrag
	context := self.context()
	view := context.GetView()
	selectedIndex := state.startIndex + state.selectedOffset
	rangeStartIndex := state.startIndex + state.rangeStartOffset

	view.SetCursorY(context.ModelIndexToViewIndex(selectedIndex) - view.OriginY())
	view.SetRangeSelectStart(context.ModelIndexToViewIndex(rangeStartIndex))
}

func (self *LocalCommitsController) commitDragInsertionIndex(viewIndex int) int {
	context := self.context()
	if viewIndex < 0 {
		return self.commitDrag.minInsertion
	}
	if viewIndex >= context.TotalContentHeight() {
		return self.commitDrag.maxInsertion
	}

	// Rows above the dragged block insert before the pointed-at commit, rows
	// below it insert after it, so that in both directions the line under
	// the pointer is the one that makes way.
	modelIndex := context.ViewIndexToModelIndex(viewIndex)
	insertionIndex := modelIndex
	if modelIndex > self.commitDrag.endIndex {
		insertionIndex++
	}
	return max(self.commitDrag.minInsertion, min(insertionIndex, self.commitDrag.maxInsertion))
}

func (self *LocalCommitsController) handleCommitDragRelease(gocui.ViewMouseBindingOpts) error {
	if self.commitDrag == nil {
		return gocui.ErrKeybindingNotHandled
	}

	state := self.commitDrag
	self.dragAutoscroller.Cancel()
	self.commitDrag = nil

	if !state.hasMoved {
		self.context().ClearDropInsertionIndex()
		self.context().SetSelection(state.pressedIndex)
		self.c.PostRefreshUpdate(self.context())
		return nil
	}
	if state.insertionIndex < 0 {
		self.context().ClearDropInsertionIndex()
		self.c.PostRefreshUpdate(self.context())
		return nil
	}

	offset := state.insertionIndex - state.startIndex
	if state.insertionIndex > state.endIndex {
		offset = state.insertionIndex - state.endIndex - 1
	}
	selectedCommits, startIndex, endIndex, found := findCommitDragBlock(
		self.context().GetItems(), state.commitIdentities,
	)
	if !found {
		self.context().ClearDropInsertionIndex()
		self.c.PostRefreshUpdate(self.context())
		return nil
	}
	self.context().SetSelectionRangeAndMode(
		startIndex+state.selectedOffset,
		startIndex+state.rangeStartOffset,
		state.rangeSelectMode,
	)
	self.startMovingCommitsIndicator(state.insertionIndex)
	if err := self.move(selectedCommits, startIndex, endIndex, offset,
		func() error { self.stopMovingCommitsIndicator(); return nil }); err != nil {
		self.stopMovingCommitsIndicator()
		return err
	}
	return nil
}

// startMovingCommitsIndicator keeps the drop indicator visible while the move
// is running, turning it into a spinner once the grace period elapses. The
// ticker goroutine only ever touches state from the UI thread, where the
// comparison against the current stop channel makes late callbacks harmless.
func (self *LocalCommitsController) startMovingCommitsIndicator(insertionIndex int) {
	self.stopMovingCommitsIndicatorTicker()
	stop := make(chan struct{})
	self.movingCommitsIndicatorStop = stop
	go utils.Safe(func() {
		graceTimer := time.NewTimer(commitDragMovingIndicatorDelay)
		defer graceTimer.Stop()
		select {
		case <-graceTimer.C:
			self.c.OnUIThreadContentOnlyBackground(func() error {
				if self.movingCommitsIndicatorStop == stop {
					self.context().SetMovingCommitsInsertionIndex(insertionIndex)
					self.context().HandleRender()
				}
				return nil
			})
		case <-stop:
			return
		}

		rate := time.Millisecond * time.Duration(self.c.UserConfig().Gui.Spinner.Rate)
		ticker := time.NewTicker(rate)
		defer ticker.Stop()
		for {
			select {
			case <-ticker.C:
				self.c.OnUIThreadContentOnlyBackground(func() error {
					if self.movingCommitsIndicatorStop == stop {
						self.context().HandleRender()
					}
					return nil
				})
			case <-stop:
				return
			}
		}
	})
}

func (self *LocalCommitsController) stopMovingCommitsIndicator() {
	self.stopMovingCommitsIndicatorTicker()
	self.context().ClearDropInsertionIndex()
	self.c.PostRefreshUpdate(self.context())
}

func (self *LocalCommitsController) stopMovingCommitsIndicatorTicker() {
	if self.movingCommitsIndicatorStop != nil {
		close(self.movingCommitsIndicatorStop)
		self.movingCommitsIndicatorStop = nil
	}
}

func commitDragIdentityForCommit(commit *models.Commit) commitDragIdentity {
	return commitDragIdentity{
		hash:       commit.Hash(),
		name:       commit.Name,
		action:     commit.Action,
		actionFlag: commit.ActionFlag,
	}
}

// findCommitDragBlock locates the dragged commits in the (possibly refreshed)
// commit list by their identity rather than by the indices recorded at press
// time. If they no longer exist as a contiguous block, or more than one block
// matches, we give up rather than guess.
func findCommitDragBlock(
	commits []*models.Commit, identities []commitDragIdentity,
) ([]*models.Commit, int, int, bool) {
	matchStart := -1
	for startIndex := 0; startIndex+len(identities) <= len(commits); startIndex++ {
		matches := true
		for offset, identity := range identities {
			if commitDragIdentityForCommit(commits[startIndex+offset]) != identity {
				matches = false
				break
			}
		}
		if matches {
			if matchStart >= 0 {
				return nil, -1, -1, false
			}
			matchStart = startIndex
		}
	}

	if matchStart < 0 {
		return nil, -1, -1, false
	}
	endIndex := matchStart + len(identities) - 1
	return commits[matchStart : endIndex+1], matchStart, endIndex, true
}

func (self *LocalCommitsController) GetOnFocusLost() func(types.OnFocusLostOpts) {
	return func(types.OnFocusLostOpts) {
		if self.commitDrag == nil {
			return
		}

		self.cancelCommitDrag()
	}
}

func (self *LocalCommitsController) cancelCommitDrag() {
	self.dragAutoscroller.Cancel()
	self.commitDrag = nil
	self.c.GocuiGui().CancelMouseCapture()
	self.context().ClearDropInsertionIndex()
	self.c.PostRefreshUpdate(self.context())
}

func (self *LocalCommitsController) handleCommitDragCancel() error {
	if self.commitDrag == nil {
		return gocui.ErrKeybindingNotHandled
	}

	self.cancelCommitDrag()
	return nil
}

// Stop autoscrolling once the insertion point has reached the end of the
// allowed range in the scroll direction; e.g. during a rebase there is no
// point in scrolling on into the section of real commits.
func (self *LocalCommitsController) canCommitDragAutoscroll(direction int) bool {
	state := self.commitDrag
	if state == nil {
		return false
	}
	if direction < 0 {
		return state.insertionIndex != state.minInsertion
	}
	return state.insertionIndex != state.maxInsertion
}

func (self *LocalCommitsController) handleCommitDragAutoscroll(viewIndex int) bool {
	if self.commitDrag == nil {
		return false
	}

	self.updateCommitDragInsertion(viewIndex)
	self.context().SetNeedRerenderVisibleLines()
	self.context().HandleRender()
	self.restoreCommitDragHighlight()
	return self.canCommitDragAutoscroll(self.dragAutoscroller.Direction())
}

func (self *LocalCommitsController) GetKeybindings(opts types.KeybindingsOpts) []*types.Binding {
	editCommitKey := opts.Config.Universal.Edit

	bindings := []*types.Binding{
		{
			Keys:    opts.GetKeys(opts.Config.Universal.Return),
			Handler: self.handleCommitDragCancel,
		},
		{
			Keys:    opts.GetKeys(opts.Config.Commits.SquashDown),
			Handler: opts.Guards.OutsideFilterMode(self.withItemsRange(self.squashDown)),
			GetDisabledReason: self.require(
				self.itemRangeSelected(
					self.midRebaseCommandEnabled,
					self.canSquashOrFixup,
				),
			),
			Description:     self.c.Tr.Squash,
			Tooltip:         self.c.Tr.SquashTooltip,
			DisplayOnScreen: true,
		},
		{
			Keys:    opts.GetKeys(opts.Config.Commits.MarkCommitAsFixup),
			Handler: opts.Guards.OutsideFilterMode(self.withItemsRange(self.fixup)),
			GetDisabledReason: self.require(
				self.itemRangeSelected(
					self.midRebaseCommandEnabled,
					self.canSquashOrFixup,
				),
			),
			Description:     self.c.Tr.Fixup,
			Tooltip:         self.c.Tr.FixupTooltip,
			DisplayOnScreen: true,
		},
		{
			Keys:    opts.GetKeys(opts.Config.Commits.SetFixupMessage),
			Handler: self.withItem(self.setFixupMessage),
			GetDisabledReason: self.require(
				self.singleItemSelected(self.canSetFixupMessage),
			),
			Description: self.c.Tr.SetFixupMessage,
			Tooltip:     self.c.Tr.SetFixupMessageTooltip,
		},
		{
			Keys:    opts.GetKeys(opts.Config.Commits.RenameCommit),
			Handler: self.withItem(self.reword),
			GetDisabledReason: self.require(
				self.singleItemSelected(self.rewordEnabled),
			),
			Description:     self.c.Tr.Reword,
			Tooltip:         self.c.Tr.CommitRewordTooltip,
			DisplayOnScreen: true,
			OpensMenu:       true,
		},
		{
			Keys:    opts.GetKeys(opts.Config.Commits.RenameCommitWithEditor),
			Handler: self.withItem(self.rewordEditor),
			GetDisabledReason: self.require(
				self.singleItemSelected(self.rewordEnabled),
			),
			Description: self.c.Tr.RewordCommitEditor,
		},
		{
			Keys:    opts.GetKeys(opts.Config.Universal.Remove),
			Handler: self.withItemsRange(self.drop),
			GetDisabledReason: self.require(
				self.itemRangeSelected(
					self.canDropCommits,
				),
			),
			Description:     self.c.Tr.DropCommit,
			Tooltip:         self.c.Tr.DropCommitTooltip,
			DisplayOnScreen: true,
		},
		{
			Keys:    opts.GetKeys(editCommitKey),
			Handler: opts.Guards.OutsideFilterMode(self.withItemsRange(self.edit)),
			GetDisabledReason: self.require(
				self.itemRangeSelected(self.midRebaseCommandEnabled),
			),
			Description:      self.c.Tr.EditCommit,
			ShortDescription: self.c.Tr.Edit,
			Tooltip:          self.c.Tr.EditCommitTooltip,
			DisplayOnScreen:  true,
		},
		{
			// The user-facing description here is 'Start interactive rebase' but internally
			// we're calling it 'quick-start interactive rebase' to differentiate it from
			// when you manually select the base commit.
			Keys:              opts.GetKeys(opts.Config.Commits.StartInteractiveRebase),
			Handler:           opts.Guards.OutsideFilterMode(self.quickStartInteractiveRebase),
			GetDisabledReason: self.require(self.notMidRebase(self.c.Tr.AlreadyRebasing), self.canFindCommitForQuickStart),
			Description:       self.c.Tr.QuickStartInteractiveRebase,
			Tooltip: utils.ResolvePlaceholderString(self.c.Tr.QuickStartInteractiveRebaseTooltip, map[string]string{
				"editKey": editCommitKey.String(),
			}),
		},
		{
			Keys:    opts.GetKeys(opts.Config.Commits.PickCommit),
			Handler: opts.Guards.OutsideFilterMode(self.withItems(self.pick)),
			GetDisabledReason: self.require(
				self.itemRangeSelected(self.pickEnabled),
			),
			Description: self.c.Tr.Pick,
			Tooltip:     self.c.Tr.PickCommitTooltip,
		},
		{
			Keys:              opts.GetKeys(opts.Config.Commits.CreateFixupCommit),
			Handler:           opts.Guards.OutsideFilterMode(self.withItem(self.createFixupCommit)),
			GetDisabledReason: self.require(self.singleItemSelected()),
			Description:       self.c.Tr.CreateFixupCommit,
			Tooltip: utils.ResolvePlaceholderString(
				self.c.Tr.CreateFixupCommitTooltip,
				map[string]string{
					"squashAbove": opts.Config.Commits.SquashAboveCommits.String(),
				},
			),
		},
		{
			Keys:    opts.GetKeys(opts.Config.Commits.SquashAboveCommits),
			Handler: opts.Guards.OutsideFilterMode(self.squashFixupCommits),
			GetDisabledReason: self.require(
				self.notMidRebase(self.c.Tr.AlreadyRebasing),
			),
			Description: self.c.Tr.SquashAboveCommits,
			Tooltip:     self.c.Tr.SquashAboveCommitsTooltip,
			OpensMenu:   true,
		},
		{
			Keys:    opts.GetKeys(opts.Config.Commits.MoveDownCommit),
			Handler: opts.Guards.OutsideFilterMode(self.withItemsRange(self.moveDown)),
			GetDisabledReason: self.require(self.itemRangeSelected(
				self.midRebaseMoveCommandEnabled,
				self.canMoveDown,
			)),
			Description: self.c.Tr.MoveDownCommit,
		},
		{
			Keys:    opts.GetKeys(opts.Config.Commits.MoveUpCommit),
			Handler: opts.Guards.OutsideFilterMode(self.withItemsRange(self.moveUp)),
			GetDisabledReason: self.require(self.itemRangeSelected(
				self.midRebaseMoveCommandEnabled,
				self.canMoveUp,
			)),
			Description: self.c.Tr.MoveUpCommit,
		},
		{
			Keys:              opts.GetKeys(opts.Config.Commits.PasteCommits),
			Handler:           opts.Guards.OutsideFilterMode(self.paste),
			GetDisabledReason: self.require(self.canPaste),
			Description:       self.c.Tr.PasteCommits,
			DisplayStyle:      &style.FgCyan,
		},
		{
			Keys:              opts.GetKeys(opts.Config.Commits.MarkCommitAsBaseForRebase),
			Handler:           opts.Guards.OutsideFilterMode(self.withItem(self.markAsBaseCommit)),
			GetDisabledReason: self.require(self.singleItemSelected()),
			Description:       self.c.Tr.MarkAsBaseCommit,
			Tooltip:           self.c.Tr.MarkAsBaseCommitTooltip,
		},
		// overriding this navigation keybinding because we might need to load
		// more commits on demand
		{
			Keys:        opts.GetKeys(opts.Config.Universal.StartSearch),
			Handler:     self.openSearch,
			Description: self.c.Tr.StartSearch,
			Tag:         "navigation",
		},
		{
			Keys:              opts.GetKeys(opts.Config.Commits.AmendToCommit),
			Handler:           self.withItem(self.amendTo),
			GetDisabledReason: self.require(self.singleItemSelected(self.canAmend)),
			Description:       self.c.Tr.Amend,
			Tooltip:           self.c.Tr.AmendCommitTooltip,
			DisplayOnScreen:   true,
		},
		{
			Keys:              opts.GetKeys(opts.Config.Commits.ResetCommitAuthor),
			Handler:           self.withItemsRange(self.amendAttribute),
			GetDisabledReason: self.require(self.itemRangeSelected(self.canAmendRange)),
			Description:       self.c.Tr.AmendCommitAttribute,
			Tooltip:           self.c.Tr.AmendCommitAttributeTooltip,
			OpensMenu:         true,
		},
		{
			Keys:              opts.GetKeys(opts.Config.Commits.RevertCommit),
			Handler:           self.withItemsRange(self.revert),
			GetDisabledReason: self.require(self.itemRangeSelected()),
			Description:       self.c.Tr.Revert,
			Tooltip:           self.c.Tr.RevertCommitTooltip,
		},
		{
			Keys:              opts.GetKeys(opts.Config.Commits.CreateTag),
			Handler:           self.withItem(self.createTag),
			GetDisabledReason: self.require(self.singleItemSelected()),
			Description:       self.c.Tr.TagCommit,
			Tooltip:           self.c.Tr.TagCommitTooltip,
		},
		{
			Keys:        opts.GetKeys(opts.Config.Commits.OpenLogMenu),
			Handler:     self.handleOpenLogMenu,
			Description: self.c.Tr.OpenLogMenu,
			Tooltip:     self.c.Tr.OpenLogMenuTooltip,
			OpensMenu:   true,
		},
		{
			Keys:              opts.GetKeys(opts.Config.Commits.OpenPullRequestInBrowser),
			Handler:           self.openPRInBrowser,
			GetDisabledReason: self.checkedOutBranchHasPR,
			Description:       self.c.Tr.OpenPullRequestInBrowser,
		},
	}

	return bindings
}

func (self *LocalCommitsController) checkedOutBranchHasPR() *types.DisabledReason {
	branch := self.c.Model().CheckedOutBranch
	if _, ok := self.c.Model().PullRequestsMap[branch]; !ok {
		return &types.DisabledReason{Text: self.c.Tr.NoPullRequestForBranch, ShowErrorInPanel: true}
	}
	return nil
}

func (self *LocalCommitsController) openPRInBrowser() error {
	pr, ok := self.c.Model().PullRequestsMap[self.c.Model().CheckedOutBranch]
	if !ok {
		// Should be guarded against by the DisabledReason check, but be defensive in case
		// PullRequestsMap was updated concurrently by a background refresh
		return errors.New(self.c.Tr.NoPullRequestForBranch)
	}

	self.c.LogAction(self.c.Tr.Actions.OpenPullRequest)

	return self.c.OS().OpenLink(pr.Url)
}

func (self *LocalCommitsController) GetOnRenderToMain() func() {
	return func() {
		self.c.Helpers().Diff.WithDiffModeCheck(func() {
			var task types.UpdateTask
			commit := self.context().GetSelected()
			if commit == nil {
				task = types.NewRenderStringTask(self.c.Tr.NoCommitsThisBranch)
			} else if commit.Action == todo.UpdateRef {
				task = types.NewRenderStringTask(
					utils.ResolvePlaceholderString(
						self.c.Tr.UpdateRefHere,
						map[string]string{
							"ref": strings.TrimPrefix(commit.Name, "refs/heads/"),
						}))
			} else if commit.Action == todo.Exec {
				task = types.NewRenderStringTask(
					self.c.Tr.ExecCommandHere + "\n\n" + commit.Name)
			} else {
				refRange := self.context().GetSelectedRefRangeForDiffFiles()
				task = self.c.Helpers().Diff.GetUpdateTaskForRenderingCommitsDiff(commit, refRange)
			}

			self.c.RenderToMainViews(types.RefreshMainOpts{
				Pair: self.c.MainViewPairs().Normal,
				Main: &types.ViewUpdateOpts{
					Title:    "Patch",
					SubTitle: self.c.Helpers().Diff.IgnoringWhitespaceSubTitle(),
					Task:     task,
				},
				Secondary: secondaryPatchPanelUpdateOpts(self.c),
			})
		})
	}
}

// secondaryPatchPanelUpdateOpts renders the custom patch being built into the pane
// beside the diff it is being built from, as a diff of the two trees the patch is
// materialized into — so that it is shown by whatever renders the rest of the diffs, and
// so that its lines can be pointed at and taken back out of the patch.
func secondaryPatchPanelUpdateOpts(c *ControllerCommon) *types.ViewUpdateOpts {
	if !c.Git().Patch.PatchBuilder.Active() {
		return nil
	}

	// A render of the same patch reuses the trees; only a change to the patch writes them
	// again.
	if err := c.Git().Patch.EnsureCustomPatchDiffTrees(); err != nil {
		c.Log.Error(err)
	}

	// The same mode as the diff beside it: both panes of the pair have to agree about
	// whether what they show can be acted on.
	mode := c.Helpers().DiffLine.MainViewDiffMode()
	cmdObj := c.Git().Diff.CustomPatchDiffCmdObj(c.Git().Patch.PatchBuilder.TempDir(), mode)

	return &types.ViewUpdateOpts{
		Task:  types.NewMainViewDiffTask(cmdObj.GetCmd(), mode),
		Title: c.Tr.CustomPatch,
	}
}

func (self *LocalCommitsController) squashDown(selectedCommits []*models.Commit, startIdx int, endIdx int) error {
	if self.isRebasing() {
		return self.updateTodos(todo.Squash, selectedCommits)
	}

	self.c.Confirm(types.ConfirmOpts{
		Title:  self.c.Tr.Squash,
		Prompt: self.c.Tr.SureSquashThisCommit,
		HandleConfirm: func() error {
			commits := self.c.Model().Commits
			self.selectRebaseResultCommit(startIdx)
			return self.c.WithWaitingStatusBlockingInput(types.WaitingStatusOpts{
				Message:              self.c.Tr.SquashingStatus,
				HideWorkingTreeState: true,
			}, func(gocui.Task) error {
				self.c.LogAction(self.c.Tr.Actions.SquashCommitDown)
				return self.interactiveRebase(commits, todo.Squash, startIdx, endIdx)
			})
		},
	})

	return nil
}

func (self *LocalCommitsController) fixup(selectedCommits []*models.Commit, startIdx int, endIdx int) error {
	if self.isRebasing() {
		return self.updateTodos(todo.Fixup, selectedCommits)
	}

	return self.c.Menu(types.CreateMenuOptions{
		Title: self.c.Tr.Fixup,
		Items: []*types.MenuItem{
			{
				Label: self.c.Tr.Fixup,
				Keys:  menuKey('f'),
				OnPress: func() error {
					commits := self.c.Model().Commits
					self.selectRebaseResultCommit(startIdx)
					return self.c.WithWaitingStatusBlockingInput(types.WaitingStatusOpts{
						Message:              self.c.Tr.FixingStatus,
						HideWorkingTreeState: true,
					}, func(gocui.Task) error {
						self.c.LogAction(self.c.Tr.Actions.FixupCommit)
						return self.interactiveRebase(commits, todo.Fixup, startIdx, endIdx)
					})
				},
				Tooltip: self.c.Tr.FixupTooltip,
			},
			{
				Label: self.c.Tr.FixupKeepMessage,
				Keys:  menuKey('c'),
				OnPress: func() error {
					commits := self.c.Model().Commits
					self.selectRebaseResultCommit(startIdx)
					return self.c.WithWaitingStatusBlockingInput(types.WaitingStatusOpts{
						Message:              self.c.Tr.FixingStatus,
						HideWorkingTreeState: true,
					}, func(gocui.Task) error {
						self.c.LogAction(self.c.Tr.Actions.FixupCommitKeepMessage)
						return self.interactiveRebaseWithFlag(commits, todo.Fixup, startIdx, endIdx, "-C")
					})
				},
				Tooltip: self.c.Tr.FixupKeepMessageTooltip,
			},
		},
	})
}

func (self *LocalCommitsController) canSetFixupMessage(commit *models.Commit) *types.DisabledReason {
	if !self.isRebasing() {
		return &types.DisabledReason{Text: self.c.Tr.NotMidRebase}
	}

	if commit.Action != todo.Fixup {
		return &types.DisabledReason{Text: self.c.Tr.MustSelectFixupCommit}
	}

	return nil
}

func (self *LocalCommitsController) setFixupMessage(commit *models.Commit) error {
	return self.c.Menu(types.CreateMenuOptions{
		Title: self.c.Tr.SetFixupMessage,
		Items: []*types.MenuItem{
			{
				Label: self.c.Tr.FixupDiscardMessage,
				Keys:  menuKey('f'),
				OnPress: func() error {
					return self.updateTodosWithFlag(todo.Fixup, []*models.Commit{commit}, "")
				},
				Tooltip: self.c.Tr.FixupDiscardMessageTooltip,
			},
			{
				Label: self.c.Tr.FixupKeepMessage,
				Keys:  menuKey('c'),
				OnPress: func() error {
					return self.updateTodosWithFlag(todo.Fixup, []*models.Commit{commit}, "-C")
				},
				Tooltip: self.c.Tr.FixupKeepMessageTooltip,
			},
		},
	})
}

func (self *LocalCommitsController) reword(commit *models.Commit) error {
	commitIdx := self.context().GetSelectedLineIdx()
	if self.c.Git().Config.NeedsGpgSubprocessForCommit() && !self.isHeadCommit(commitIdx) {
		return errors.New(self.c.Tr.DisabledForGPG)
	}
	commitMessage, err := self.c.Git().Commit.GetCommitMessage(commit.Hash())
	if err != nil {
		return err
	}
	if self.c.UserConfig().Git.Commit.AutoWrapCommitMessage {
		commitMessage = helpers.TryRemoveHardLineBreaks(commitMessage, self.c.UserConfig().Git.Commit.AutoWrapWidth)
	}
	self.c.Helpers().Commits.OpenCommitMessagePanel(
		&helpers.OpenCommitMessagePanelOpts{
			CommitIndex:      commitIdx,
			InitialMessage:   commitMessage,
			SummaryTitle:     self.c.Tr.Actions.RewordCommit,
			DescriptionTitle: self.c.Tr.CommitDescriptionTitle,
			PreserveMessage:  false,
			OnConfirm:        self.handleReword,
			OnSwitchToEditor: self.switchFromCommitMessagePanelToEditor,
		},
	)

	return nil
}

func (self *LocalCommitsController) switchFromCommitMessagePanelToEditor(filepath string) error {
	if self.isSelectedHeadCommit() {
		return self.c.RunSubprocessAndRefresh(
			self.c.Git().Commit.RewordLastCommitInEditorWithMessageFileCmdObj(filepath))
	}

	err := self.c.Git().Rebase.BeginInteractiveRebaseForCommit(self.c.Model().Commits, self.context().GetSelectedLineIdx(), false)
	if err != nil {
		return err
	}

	// now the selected commit should be our head so we'll amend it with the new message
	err = self.c.RunSubprocessAndRefresh(
		self.c.Git().Commit.RewordLastCommitInEditorWithMessageFileCmdObj(filepath))
	if err != nil {
		return err
	}

	err = self.c.Git().Rebase.ContinueRebase()
	if err != nil {
		return err
	}

	self.c.Refresh(types.RefreshOptions{})
	return nil
}

func (self *LocalCommitsController) handleReword(summary string, description string) error {
	commits := self.c.Model().Commits
	selectedIdx := self.c.Contexts().LocalCommits.GetSelectedLineIdx()
	if models.IsHeadCommit(commits, selectedIdx) {
		// we've selected the top commit so no rebase is required
		return self.c.Helpers().GPG.WithGpgHandling(self.c.Git().Commit.RewordLastCommit(summary, description),
			git_commands.CommitGpgSign,
			self.c.Tr.RewordingStatus, nil, nil)
	}

	return self.c.WithWaitingStatusBlockingInput(types.WaitingStatusOpts{
		Message:              self.c.Tr.RewordingStatus,
		HideWorkingTreeState: true,
	}, func(gocui.Task) error {
		err := self.c.Git().Rebase.RewordCommit(commits, selectedIdx, summary, description)
		if err != nil {
			return err
		}
		self.c.RefreshFromWorker(types.RefreshOptions{})
		return nil
	})
}

func (self *LocalCommitsController) doRewordEditor() error {
	self.c.LogAction(self.c.Tr.Actions.RewordCommit)

	if self.isSelectedHeadCommit() {
		return self.c.RunSubprocessAndRefresh(self.c.Git().Commit.RewordLastCommitInEditorCmdObj())
	}

	subProcess, err := self.c.Git().Rebase.RewordCommitInEditor(
		self.c.Model().Commits, self.context().GetSelectedLineIdx(),
	)
	if err != nil {
		return err
	}
	if subProcess != nil {
		return self.c.RunSubprocessAndRefresh(subProcess)
	}

	return nil
}

func (self *LocalCommitsController) rewordEditor(commit *models.Commit) error {
	return self.c.ConfirmIf(!self.c.UserConfig().Gui.SkipRewordInEditorWarning,
		types.ConfirmOpts{
			Title:         self.c.Tr.RewordInEditorTitle,
			Prompt:        self.c.Tr.RewordInEditorPrompt,
			HandleConfirm: self.doRewordEditor,
		})
}

func (self *LocalCommitsController) drop(selectedCommits []*models.Commit, startIdx int, endIdx int) error {
	if self.isRebasing() {
		groupedTodos := lo.GroupBy(selectedCommits, func(c *models.Commit) bool {
			return c.Action == todo.UpdateRef
		})
		updateRefTodos := groupedTodos[true]
		nonUpdateRefTodos := groupedTodos[false]

		if len(updateRefTodos) > 0 {
			self.c.Confirm(types.ConfirmOpts{
				Title:  self.c.Tr.DropCommitTitle,
				Prompt: self.c.Tr.DropUpdateRefPrompt,
				HandleConfirm: func() error {
					selectedIdx, rangeStartIdx, rangeSelectMode := self.context().GetSelectionRangeAndMode()

					if err := self.c.Git().Rebase.DeleteUpdateRefTodos(updateRefTodos); err != nil {
						return err
					}

					if selectedIdx > rangeStartIdx {
						selectedIdx = max(selectedIdx-len(updateRefTodos), rangeStartIdx)
					} else {
						rangeStartIdx = max(rangeStartIdx-len(updateRefTodos), selectedIdx)
					}

					self.context().SetSelectionRangeAndMode(selectedIdx, rangeStartIdx, rangeSelectMode)

					return self.updateTodos(todo.Drop, nonUpdateRefTodos)
				},
			})

			return nil
		}

		return self.updateTodos(todo.Drop, selectedCommits)
	}

	isMerge := selectedCommits[0].IsMerge()

	self.c.Confirm(types.ConfirmOpts{
		Title:  self.c.Tr.DropCommitTitle,
		Prompt: lo.Ternary(isMerge, self.c.Tr.DropMergeCommitPrompt, self.c.Tr.DropCommitPrompt),
		HandleConfirm: func() error {
			commits := self.c.Model().Commits
			if !isMerge {
				self.selectRebaseResultCommit(startIdx)
			}
			return self.c.WithWaitingStatusBlockingInput(types.WaitingStatusOpts{
				Message:              self.c.Tr.DroppingStatus,
				HideWorkingTreeState: true,
			}, func(gocui.Task) error {
				self.c.LogAction(self.c.Tr.Actions.DropCommit)
				if isMerge {
					return self.dropMergeCommit(commits, startIdx)
				}
				return self.interactiveRebase(commits, todo.Drop, startIdx, endIdx)
			})
		},
	})

	return nil
}

func (self *LocalCommitsController) dropMergeCommit(commits []*models.Commit, commitIdx int) error {
	err := self.c.Git().Rebase.DropMergeCommit(commits, commitIdx)
	return self.c.Helpers().MergeAndRebase.CheckMergeOrRebase(err)
}

func (self *LocalCommitsController) edit(selectedCommits []*models.Commit, startIdx int, endIdx int) error {
	if self.isRebasing() {
		return self.updateTodos(todo.Edit, selectedCommits)
	}

	commits := self.c.Model().Commits
	if !commits[endIdx].IsMerge() {
		return self.c.WithWaitingStatusBlockingInput(types.WaitingStatusOpts{
			Message:              self.c.Tr.RebasingStatus,
			HideWorkingTreeState: true,
		}, func(gocui.Task) error {
			err := self.c.Git().Rebase.InteractiveRebase(commits, startIdx, endIdx, todo.Edit, "")
			return self.c.Helpers().MergeAndRebase.CheckMergeOrRebaseWithRefreshOptions(
				err, types.RefreshOptions{BatchUIUpdates: true})
		})
	}

	return self.startInteractiveRebaseWithEdit(selectedCommits)
}

func (self *LocalCommitsController) quickStartInteractiveRebase() error {
	commitToEdit, err := self.findCommitForQuickStartInteractiveRebase()
	if err != nil {
		return err
	}

	return self.startInteractiveRebaseWithEdit([]*models.Commit{commitToEdit})
}

func (self *LocalCommitsController) startInteractiveRebaseWithEdit(
	commitsToEdit []*models.Commit,
) error {
	return self.c.WithWaitingStatusBlockingInput(types.WaitingStatusOpts{
		Message:              self.c.Tr.RebasingStatus,
		HideWorkingTreeState: true,
	}, func(gocui.Task) error {
		self.c.LogAction(self.c.Tr.Actions.EditCommit)
		err := self.c.Git().Rebase.EditRebase(commitsToEdit[len(commitsToEdit)-1].Hash())
		return self.c.Helpers().MergeAndRebase.CheckMergeOrRebaseWithRefreshOptions(
			err,
			types.RefreshOptions{BatchUIUpdates: true, Then: func() error {
				todos := make([]*models.Commit, 0, len(commitsToEdit)-1)
				for _, c := range commitsToEdit[:len(commitsToEdit)-1] {
					// Merge commits can't be set to "edit", so just skip them
					if !c.IsMerge() {
						todos = append(todos, models.NewCommit(self.c.Model().HashPool, models.NewCommitOpts{Hash: c.Hash(), Action: todo.Pick}))
					}
				}
				if len(todos) > 0 {
					return self.updateTodos(todo.Edit, todos)
				}
				return nil
			}})
	})
}

func (self *LocalCommitsController) findCommitForQuickStartInteractiveRebase() (*models.Commit, error) {
	commit, index, ok := lo.FindIndexOf(self.c.Model().Commits, func(c *models.Commit) bool {
		return c.IsMerge() || c.Status == models.StatusMerged
	})

	if !ok || index == 0 {
		errorMsg := utils.ResolvePlaceholderString(self.c.Tr.CannotQuickStartInteractiveRebase, map[string]string{
			"editKey": self.c.UserConfig().Keybinding.Universal.Edit.String(),
		})

		return nil, errors.New(errorMsg)
	}

	return commit, nil
}

func (self *LocalCommitsController) pick(selectedCommits []*models.Commit) error {
	if self.isRebasing() {
		return self.updateTodos(todo.Pick, selectedCommits)
	}

	panic("should be disabled when not rebasing")
}

func (self *LocalCommitsController) interactiveRebase(commits []*models.Commit, action todo.TodoCommand, startIdx int, endIdx int) error {
	return self.interactiveRebaseWithFlag(commits, action, startIdx, endIdx, "")
}

func (self *LocalCommitsController) interactiveRebaseWithFlag(commits []*models.Commit, action todo.TodoCommand, startIdx int, endIdx int, flag string) error {
	err := self.c.Git().Rebase.InteractiveRebase(commits, startIdx, endIdx, action, flag)

	return self.c.Helpers().MergeAndRebase.CheckMergeOrRebase(err)
}

// selectRebaseResultCommit selects the commit that a drop/fixup/squash starting
// at startIdx will leave there. It must run on the UI thread before the rebase:
// the commit currently at startIdx is removed, so the refresh's
// keep-selection-by-hash can't restore it and falls back to the index, which by
// then holds the commit that shifted up into its place.
func (self *LocalCommitsController) selectRebaseResultCommit(startIdx int) {
	self.context().SetSelection(startIdx)
}

// updateTodos sees if the selected commit is in fact a rebasing
// commit meaning you are trying to edit the todo file rather than actually
// begin a rebase. It then updates the todo file with that action
func (self *LocalCommitsController) updateTodos(action todo.TodoCommand, selectedCommits []*models.Commit) error {
	return self.updateTodosWithFlag(action, selectedCommits, "")
}

func (self *LocalCommitsController) updateTodosWithFlag(action todo.TodoCommand, selectedCommits []*models.Commit, flag string) error {
	if err := self.c.Git().Rebase.EditRebaseTodo(selectedCommits, action, flag); err != nil {
		return err
	}

	self.c.Refresh(types.RefreshOptions{
		Scope: []types.RefreshableView{types.REBASE_COMMITS},
	})

	return nil
}

func (self *LocalCommitsController) rewordEnabled(commit *models.Commit) *types.DisabledReason {
	// for now we do not support setting 'reword' on TODO commits because it requires an editor
	// and that means we either unconditionally wait around for the subprocess to ask for
	// our input or we set a lazygit client as the EDITOR env variable and have it
	// request us to edit the commit message when prompted.
	if commit.IsTODO() {
		return &types.DisabledReason{Text: self.c.Tr.RewordNotSupported}
	}

	// If we are in a rebase, the only action that is allowed for
	// non-todo commits is rewording the current head commit
	if self.isRebasing() && !self.isSelectedHeadCommit() {
		return &types.DisabledReason{Text: self.c.Tr.AlreadyRebasing}
	}

	return nil
}

func (self *LocalCommitsController) isRebasing() bool {
	return self.c.Model().WorkingTreeStateAtLastCommitRefresh.Any()
}

func (self *LocalCommitsController) isCherryPickingOrReverting() bool {
	return self.c.Model().WorkingTreeStateAtLastCommitRefresh.CherryPicking ||
		self.c.Model().WorkingTreeStateAtLastCommitRefresh.Reverting
}

func (self *LocalCommitsController) moveDown(selectedCommits []*models.Commit, startIdx int, endIdx int) error {
	return self.move(selectedCommits, startIdx, endIdx, 1, nil)
}

func (self *LocalCommitsController) moveUp(selectedCommits []*models.Commit, startIdx int, endIdx int) error {
	return self.move(selectedCommits, startIdx, endIdx, -1, nil)
}

func (self *LocalCommitsController) move(
	selectedCommits []*models.Commit, startIdx int, endIdx int, offset int, onComplete func() error,
) error {
	if self.isRebasing() {
		if err := self.c.Git().Rebase.MoveTodos(selectedCommits, offset); err != nil {
			return err
		}
		self.context().MoveSelection(offset)
		self.context().HandleFocus(types.OnFocusOpts{})

		// Block input until the refresh has landed: a quick second press must
		// read the moved todo from the refreshed model, not grab whatever the
		// advanced selection index points at in the stale one.
		self.c.RefreshBlockingInput(types.RefreshOptions{
			Scope:           []types.RefreshableView{types.REBASE_COMMITS},
			CommitSelection: types.KeepCommitSelectionIndex,
			Then:            onComplete,
		})
		return nil
	}

	commits := self.c.Model().Commits
	return self.c.WithWaitingStatusBlockingInput(types.WaitingStatusOpts{
		Message:              self.c.Tr.MovingStatus,
		HideWorkingTreeState: true,
	}, func(gocui.Task) error {
		if offset > 0 {
			self.c.LogAction(self.c.Tr.Actions.MoveCommitDown)
		} else {
			self.c.LogAction(self.c.Tr.Actions.MoveCommitUp)
		}
		err := self.c.Git().Rebase.MoveCommits(commits, startIdx, endIdx, offset)
		return self.c.Helpers().MergeAndRebase.CheckMergeOrRebaseWithRefreshOptions(
			err, types.RefreshOptions{
				BatchUIUpdates:  true,
				CommitSelection: types.KeepCommitSelectionIndex,
				// Move the selection to follow the moved commit, in Then so it
				// lands in the same frame as the refreshed commit list.
				Then: func() error {
					if err == nil {
						self.context().MoveSelection(offset)
						self.context().HandleFocus(types.OnFocusOpts{})
					}
					if onComplete != nil {
						return onComplete()
					}
					return nil
				},
			})
	})
}

func (self *LocalCommitsController) amendTo(commit *models.Commit) error {
	var handleCommit func() error

	if self.isSelectedHeadCommit() {
		handleCommit = func() error {
			return self.c.Helpers().WorkingTree.WithEnsureCommittableFiles(func() error {
				if err := self.c.Helpers().AmendHelper.AmendHead(); err != nil {
					return err
				}
				self.c.Refresh(types.RefreshOptions{})
				return nil
			})
		}
	} else {
		commits := self.c.Model().Commits
		selectedIdx := self.context().GetView().SelectedLineIdx()
		handleCommit = func() error {
			return self.c.Helpers().WorkingTree.WithEnsureCommittableFiles(func() error {
				return self.c.WithWaitingStatusBlockingInput(types.WaitingStatusOpts{
					Message:              self.c.Tr.AmendingStatus,
					HideWorkingTreeState: true,
				}, func(gocui.Task) error {
					self.c.LogAction(self.c.Tr.Actions.AmendCommit)
					err := self.c.Git().Rebase.AmendTo(commits, selectedIdx)
					return self.c.Helpers().MergeAndRebase.CheckMergeOrRebase(err)
				})
			})
		}
	}

	return self.c.ConfirmIf(!self.c.UserConfig().Gui.SkipAmendWarning,
		types.ConfirmOpts{
			Title:         self.c.Tr.AmendCommitTitle,
			Prompt:        self.c.Tr.AmendCommitPrompt,
			HandleConfirm: handleCommit,
		})
}

func (self *LocalCommitsController) canAmendRange(commits []*models.Commit, start, end int) *types.DisabledReason {
	if (start != end || !self.isHeadCommit(start)) && self.isRebasing() {
		return &types.DisabledReason{Text: self.c.Tr.AlreadyRebasing}
	}

	return nil
}

func (self *LocalCommitsController) canAmend(_ *models.Commit) *types.DisabledReason {
	idx := self.context().GetSelectedLineIdx()
	return self.canAmendRange(self.c.Model().Commits, idx, idx)
}

func (self *LocalCommitsController) amendAttribute(_ []*models.Commit, start, end int) error {
	// The author operations index into the full commit list by absolute
	// start/end, so capture that here on the UI thread rather than reading
	// Model().Commits from the worker the menu items dispatch to.
	commits := self.c.Model().Commits
	opts := self.c.KeybindingsOpts()
	return self.c.Menu(types.CreateMenuOptions{
		Title: "Amend commit attribute",
		Items: []*types.MenuItem{
			{
				Label:   self.c.Tr.ResetAuthor,
				OnPress: func() error { return self.resetAuthor(commits, start, end) },
				Keys:    opts.GetKeys(opts.Config.AmendAttribute.ResetAuthor),
				Tooltip: self.c.Tr.ResetAuthorTooltip,
			},
			{
				Label:   self.c.Tr.SetAuthor,
				OnPress: func() error { return self.setAuthor(commits, start, end) },
				Keys:    opts.GetKeys(opts.Config.AmendAttribute.SetAuthor),
				Tooltip: self.c.Tr.SetAuthorTooltip,
			},
			{
				Label:   self.c.Tr.AddCoAuthor,
				OnPress: func() error { return self.addCoAuthor(commits, start, end) },
				Keys:    opts.GetKeys(opts.Config.AmendAttribute.AddCoAuthor),
				Tooltip: self.c.Tr.AddCoAuthorTooltip,
			},
		},
	})
}

func (self *LocalCommitsController) resetAuthor(commits []*models.Commit, start, end int) error {
	return self.c.WithWaitingStatusBlockingInput(types.WaitingStatusOpts{
		Message:              self.c.Tr.AmendingStatus,
		HideWorkingTreeState: true,
	}, func(gocui.Task) error {
		self.c.LogAction(self.c.Tr.Actions.ResetCommitAuthor)
		if err := self.c.Git().Rebase.ResetCommitAuthor(commits, start, end); err != nil {
			return err
		}

		self.c.RefreshFromWorker(types.RefreshOptions{})
		return nil
	})
}

func (self *LocalCommitsController) setAuthor(commits []*models.Commit, start, end int) error {
	self.c.Prompt(types.PromptOpts{
		Title:               self.c.Tr.SetAuthorPromptTitle,
		FindSuggestionsFunc: self.c.Helpers().Suggestions.GetAuthorsSuggestionsFunc(),
		HandleConfirm: func(value string) error {
			return self.c.WithWaitingStatusBlockingInput(types.WaitingStatusOpts{
				Message:              self.c.Tr.AmendingStatus,
				HideWorkingTreeState: true,
			}, func(gocui.Task) error {
				self.c.LogAction(self.c.Tr.Actions.SetCommitAuthor)
				if err := self.c.Git().Rebase.SetCommitAuthor(commits, start, end, value); err != nil {
					return err
				}

				self.c.RefreshFromWorker(types.RefreshOptions{})
				return nil
			})
		},
	})

	return nil
}

func (self *LocalCommitsController) addCoAuthor(commits []*models.Commit, start, end int) error {
	self.c.Prompt(types.PromptOpts{
		Title:               self.c.Tr.AddCoAuthorPromptTitle,
		FindSuggestionsFunc: self.c.Helpers().Suggestions.GetAuthorsSuggestionsFunc(),
		HandleConfirm: func(value string) error {
			return self.c.WithWaitingStatusBlockingInput(types.WaitingStatusOpts{
				Message:              self.c.Tr.AmendingStatus,
				HideWorkingTreeState: true,
			}, func(gocui.Task) error {
				self.c.LogAction(self.c.Tr.Actions.AddCommitCoAuthor)
				if err := self.c.Git().Rebase.AddCommitCoAuthor(commits, start, end, value); err != nil {
					return err
				}
				self.c.RefreshFromWorker(types.RefreshOptions{})
				return nil
			})
		},
	})

	return nil
}

func (self *LocalCommitsController) revert(commits []*models.Commit, start, end int) error {
	var promptText string
	if len(commits) == 1 {
		promptText = utils.ResolvePlaceholderString(
			self.c.Tr.ConfirmRevertCommit,
			map[string]string{
				"selectedCommit": commits[0].ShortHash(),
			})
	} else {
		promptText = self.c.Tr.ConfirmRevertCommitRange
	}
	hashes := lo.Map(commits, func(c *models.Commit, _ int) string { return c.Hash() })
	isMerge := lo.SomeBy(commits, func(c *models.Commit) bool { return c.IsMerge() })

	self.c.Confirm(types.ConfirmOpts{
		Title:  self.c.Tr.Actions.RevertCommit,
		Prompt: promptText,
		HandleConfirm: func() error {
			self.c.LogAction(self.c.Tr.Actions.RevertCommit)
			mustStash := helpers.IsWorkingTreeDirtyExceptSubmodules(self.c.Model().Files, self.c.Model().Submodules)
			return self.c.WithWaitingStatusBlockingInput(types.WaitingStatusOpts{
				Message:              self.c.Tr.RevertingStatus,
				HideWorkingTreeState: true,
			}, func(gocui.Task) error {
				if mustStash {
					if err := self.c.Git().Stash.Push(self.c.Tr.AutoStashForReverting); err != nil {
						return err
					}
				}

				result := self.c.Git().Commit.Revert(hashes, isMerge)
				if err := self.c.Helpers().MergeAndRebase.CheckMergeOrRebaseWithRefreshOptions(result,
					types.RefreshOptions{BatchUIUpdates: true}); err != nil {
					return err
				}

				if mustStash {
					if err := self.c.Git().Stash.Pop(0); err != nil {
						return err
					}
					self.c.RefreshFromWorker(types.RefreshOptions{
						Scope: []types.RefreshableView{types.STASH, types.FILES},
					})
				}

				return nil
			})
		},
	})

	return nil
}

func (self *LocalCommitsController) createFixupCommit(commit *models.Commit) error {
	var disabledReasonWhenFilesAreNeeded *types.DisabledReason
	if len(self.c.Model().Files) == 0 {
		disabledReasonWhenFilesAreNeeded = &types.DisabledReason{
			Text:             self.c.Tr.NoFilesStagedTitle,
			ShowErrorInPanel: true,
		}
	}

	return self.c.Menu(types.CreateMenuOptions{
		Title: self.c.Tr.CreateFixupCommit,
		Items: []*types.MenuItem{
			{
				Label: self.c.Tr.FixupMenu_Fixup,
				Keys:  menuKey('f'),
				OnPress: func() error {
					return self.c.Helpers().WorkingTree.WithEnsureCommittableFiles(func() error {
						self.c.LogAction(self.c.Tr.Actions.CreateFixupCommit)
						selectedIdx := self.context().GetSelectedLineIdx()
						commits := self.c.Model().Commits
						branches := self.c.Model().Branches
						return self.c.WithWaitingStatusBlockingInput(types.WaitingStatusOpts{
							Message:              self.c.Tr.CreatingFixupCommitStatus,
							HideWorkingTreeState: true,
						}, func(gocui.Task) error {
							if err := self.c.Git().Commit.CreateFixupCommit(commit.Hash()); err != nil {
								return err
							}

							if err := self.moveFixupCommitToOwnerStackedBranch(commit, selectedIdx, commits, branches); err != nil {
								return err
							}

							self.c.RefreshFromWorker(types.RefreshOptions{BatchUIUpdates: true})
							return nil
						})
					})
				},
				DisabledReason: disabledReasonWhenFilesAreNeeded,
				Tooltip:        self.c.Tr.FixupMenu_FixupTooltip,
			},
			{
				Label: self.c.Tr.FixupMenu_AmendWithChanges,
				Keys:  menuKey('a'),
				OnPress: func() error {
					return self.c.Helpers().WorkingTree.WithEnsureCommittableFiles(func() error {
						return self.createAmendCommit(commit, true)
					})
				},
				DisabledReason: disabledReasonWhenFilesAreNeeded,
				Tooltip:        self.c.Tr.FixupMenu_AmendWithChangesTooltip,
			},
			{
				Label:   self.c.Tr.FixupMenu_AmendWithoutChanges,
				Keys:    menuKey('r'),
				OnPress: func() error { return self.createAmendCommit(commit, false) },
				Tooltip: self.c.Tr.FixupMenu_AmendWithoutChangesTooltip,
			},
		},
	})
}

// moveFixupCommitToOwnerStackedBranch takes state captured on the UI thread
// (the selected index and the commits and branches models) so that it can run
// its rebase on a worker without reading the model there.
func (self *LocalCommitsController) moveFixupCommitToOwnerStackedBranch(
	targetCommit *models.Commit, selectedIdx int, commits []*models.Commit, branches []*models.Branch,
) error {
	if self.c.Git().Version.IsOlderThan(2, 38, 0) {
		// Git 2.38.0 introduced the `rebase.updateRefs` config option. Don't
		// move the commit down with older versions, as it would break the stack.
		return nil
	}

	if self.c.Git().Status.WorkingTreeState().Any() {
		// Can't move commits while rebasing
		return nil
	}

	if targetCommit.Status == models.StatusMerged {
		// Target commit is already on main. It's a bit questionable that we
		// allow creating a fixup commit for it in the first place, but we
		// always did, so why restrict that now; however, it doesn't make sense
		// to move the created fixup commit down in that case.
		return nil
	}

	if !self.c.Git().Config.GetRebaseUpdateRefs() {
		// If the user has disabled rebase.updateRefs, we don't move the fixup
		// because this would break the stack of branches (presumably they like
		// to manage it themselves manually, or something).
		return nil
	}

	headOfOwnerBranchIdx := -1
	for i := selectedIdx; i > 0; i-- {
		if lo.SomeBy(branches, func(b *models.Branch) bool {
			return b.CommitHash == commits[i].Hash()
		}) {
			headOfOwnerBranchIdx = i
			break
		}
	}

	if headOfOwnerBranchIdx == -1 {
		return nil
	}

	return self.c.Git().Rebase.MoveFixupCommitDown(commits, headOfOwnerBranchIdx)
}

func (self *LocalCommitsController) createAmendCommit(commit *models.Commit, includeFileChanges bool) error {
	commitMessage, err := self.c.Git().Commit.GetCommitMessage(commit.Hash())
	if err != nil {
		return err
	}
	if self.c.UserConfig().Git.Commit.AutoWrapCommitMessage {
		commitMessage = helpers.TryRemoveHardLineBreaks(commitMessage, self.c.UserConfig().Git.Commit.AutoWrapWidth)
	}
	originalSubject, _, _ := strings.Cut(commitMessage, "\n")
	self.c.Helpers().Commits.OpenCommitMessagePanel(
		&helpers.OpenCommitMessagePanelOpts{
			CommitIndex:      self.context().GetSelectedLineIdx(),
			InitialMessage:   commitMessage,
			SummaryTitle:     self.c.Tr.CreateAmendCommit,
			DescriptionTitle: self.c.Tr.CommitDescriptionTitle,
			PreserveMessage:  false,
			OnConfirm: func(summary string, description string) error {
				self.c.LogAction(self.c.Tr.Actions.CreateFixupCommit)
				selectedIdx := self.context().GetSelectedLineIdx()
				commits := self.c.Model().Commits
				branches := self.c.Model().Branches
				return self.c.WithWaitingStatusBlockingInput(types.WaitingStatusOpts{
					Message:              self.c.Tr.CreatingFixupCommitStatus,
					HideWorkingTreeState: true,
				}, func(gocui.Task) error {
					if err := self.c.Git().Commit.CreateAmendCommit(originalSubject, summary, description, includeFileChanges); err != nil {
						return err
					}

					if err := self.moveFixupCommitToOwnerStackedBranch(commit, selectedIdx, commits, branches); err != nil {
						return err
					}

					self.c.RefreshFromWorker(types.RefreshOptions{BatchUIUpdates: true})
					return nil
				})
			},
			OnSwitchToEditor: nil,
		},
	)

	return nil
}

func (self *LocalCommitsController) squashFixupCommits() error {
	return self.c.Menu(types.CreateMenuOptions{
		Title: self.c.Tr.SquashAboveCommits,
		Items: []*types.MenuItem{
			{
				Label:          self.c.Tr.SquashCommitsInCurrentBranch,
				OnPress:        self.squashAllFixupsInCurrentBranch,
				DisabledReason: self.canFindCommitForSquashFixupsInCurrentBranch(),
				Keys:           menuKey('b'),
				Tooltip:        self.c.Tr.SquashCommitsInCurrentBranchTooltip,
			},
			{
				Label:          self.c.Tr.SquashCommitsAboveSelectedCommit,
				OnPress:        self.withItem(self.squashAllFixupsAboveSelectedCommit),
				DisabledReason: self.singleItemSelected()(),
				Keys:           menuKey('a'),
				Tooltip:        self.c.Tr.SquashCommitsAboveSelectedTooltip,
			},
		},
	})
}

func (self *LocalCommitsController) squashAllFixupsAboveSelectedCommit(commit *models.Commit) error {
	return self.squashFixupsImpl(commit, self.context().GetSelectedLineIdx())
}

func (self *LocalCommitsController) squashAllFixupsInCurrentBranch() error {
	commit, rebaseStartIdx, err := self.findCommitForSquashFixupsInCurrentBranch()
	if err != nil {
		return err
	}

	return self.squashFixupsImpl(commit, rebaseStartIdx)
}

func (self *LocalCommitsController) squashFixupsImpl(commit *models.Commit, rebaseStartIdx int) error {
	selectionOffset := countSquashableCommitsAbove(self.c.Model().Commits, self.context().GetSelectedLineIdx(), rebaseStartIdx)
	// The squashed fixups above the selection are removed, so the selection moves
	// up by that many rows to stay on the same commit. Compute the target as an
	// absolute index now, on the current list.
	targetIdx := self.context().GetSelectedLineIdx() - selectionOffset
	return self.c.WithWaitingStatusBlockingInput(types.WaitingStatusOpts{
		Message:              self.c.Tr.SquashingStatus,
		HideWorkingTreeState: true,
	}, func(gocui.Task) error {
		self.c.LogAction(self.c.Tr.Actions.SquashAllAboveFixupCommits)
		err := self.c.Git().Rebase.SquashAllAboveFixupCommits(commit)
		return self.c.Helpers().MergeAndRebase.CheckMergeOrRebaseWithRefreshOptions(
			err, types.RefreshOptions{
				BatchUIUpdates: true,
				// Set the selection in Then so it lands in the same frame as the
				// refreshed commit list. It has to be an absolute index: the new
				// list is shorter, so a relative move from the (clamped) old index
				// could overshoot. PostRefreshUpdate repaints the moved selection.
				Then: func() error {
					if err == nil {
						self.context().SetSelectedLineIdx(targetIdx)
						self.c.PostRefreshUpdate(self.context())
					}
					return nil
				},
			})
	})
}

func (self *LocalCommitsController) findCommitForSquashFixupsInCurrentBranch() (*models.Commit, int, error) {
	commits := self.c.Model().Commits
	_, index, ok := lo.FindIndexOf(commits, func(c *models.Commit) bool {
		return c.IsMerge() || c.Status == models.StatusMerged
	})

	if !ok || index == 0 {
		return nil, -1, errors.New(self.c.Tr.CannotSquashCommitsInCurrentBranch)
	}

	return commits[index-1], index - 1, nil
}

// Anticipate how many commits above the selectedIdx are going to get squashed
// by the SquashAllAboveFixupCommits call, so that we can adjust the selection
// afterwards. Let's hope we're matching git's behavior correctly here.
func countSquashableCommitsAbove(commits []*models.Commit, selectedIdx int, rebaseStartIdx int) int {
	result := 0

	// For each commit _above_ the selection, ...
	for i, commit := range commits[0:selectedIdx] {
		// ... see if it is a fixup commit, and get the base subject it applies to
		if baseSubject, isFixup := helpers.IsFixupCommit(commit.Name); isFixup {
			// Then, for each commit after the fixup, up to and including the
			// rebase start commit, see if we find the base commit
			for _, baseCommit := range commits[i+1 : rebaseStartIdx+1] {
				if strings.HasPrefix(baseCommit.Name, baseSubject) {
					result++
				}
			}
		}
	}
	return result
}

func (self *LocalCommitsController) createTag(commit *models.Commit) error {
	return self.c.Helpers().Tags.OpenCreateTagPrompt(commit.Hash(), func() {})
}

func (self *LocalCommitsController) openSearch() error {
	// we usually lazyload these commits but now that we're searching we need to load them now
	if self.context().GetLimitCommits() {
		self.context().SetLimitCommits(false)
		self.c.Refresh(types.RefreshOptions{Scope: []types.RefreshableView{types.COMMITS}})
	}

	return self.c.Helpers().Search.OpenSearchPrompt(self.context())
}

func (self *LocalCommitsController) handleOpenLogMenu() error {
	return self.c.Menu(types.CreateMenuOptions{
		Title: self.c.Tr.LogMenuTitle,
		Items: []*types.MenuItem{
			{
				Label: self.c.Tr.ToggleShowGitGraphAll,
				OnPress: func() error {
					self.context().SetShowWholeGitGraph(!self.context().GetShowWholeGitGraph())

					if self.context().GetShowWholeGitGraph() {
						self.context().SetLimitCommits(false)
					}

					return self.c.WithWaitingStatus(self.c.Tr.LoadingCommits, func(gocui.Task) error {
						self.c.Refresh(
							types.RefreshOptions{Scope: []types.RefreshableView{types.COMMITS}},
						)
						return nil
					})
				},
			},
			{
				Label:     self.c.Tr.ShowGitGraph,
				Tooltip:   self.c.Tr.ShowGitGraphTooltip,
				OpensMenu: true,
				OnPress: func() error {
					currentValue := self.c.UserConfig().Git.Log.ShowGraph
					onPress := func(value string) func() error {
						return func() error {
							self.c.UserConfig().Git.Log.ShowGraph = value
							self.c.PostRefreshUpdate(self.c.Contexts().LocalCommits)
							self.c.PostRefreshUpdate(self.c.Contexts().SubCommits)
							return nil
						}
					}
					return self.c.Menu(types.CreateMenuOptions{
						Title: self.c.Tr.LogMenuTitle,
						Items: []*types.MenuItem{
							{
								Label:   "always",
								OnPress: onPress("always"),
								Widget:  types.MakeMenuRadioButton(currentValue == "always"),
							},
							{
								Label:   "never",
								OnPress: onPress("never"),
								Widget:  types.MakeMenuRadioButton(currentValue == "never"),
							},
							{
								Label:   "when maximised",
								OnPress: onPress("when-maximised"),
								Widget:  types.MakeMenuRadioButton(currentValue == "when-maximised"),
							},
						},
					})
				},
			},
			{
				Label:     self.c.Tr.SortCommits,
				Tooltip:   self.c.Tr.SortCommitsTooltip,
				OpensMenu: true,
				OnPress: func() error {
					currentValue := self.c.UserConfig().Git.Log.Order
					onPress := func(value string) func() error {
						return func() error {
							self.c.UserConfig().Git.Log.Order = value
							return self.c.WithWaitingStatus(self.c.Tr.LoadingCommits, func(gocui.Task) error {
								self.c.Refresh(
									types.RefreshOptions{
										Scope: []types.RefreshableView{types.COMMITS},
									},
								)
								return nil
							})
						}
					}

					return self.c.Menu(types.CreateMenuOptions{
						Title: self.c.Tr.LogMenuTitle,
						Items: []*types.MenuItem{
							{
								Label:   "topological (topo-order)",
								OnPress: onPress("topo-order"),
								Widget:  types.MakeMenuRadioButton(currentValue == "topo-order"),
							},
							{
								Label:   "date-order",
								OnPress: onPress("date-order"),
								Widget:  types.MakeMenuRadioButton(currentValue == "date-order"),
							},
							{
								Label:   "author-date-order",
								OnPress: onPress("author-date-order"),
								Widget:  types.MakeMenuRadioButton(currentValue == "author-date-order"),
							},
							{
								Label:   "default",
								OnPress: onPress("default"),
								Widget:  types.MakeMenuRadioButton(currentValue == "default"),
							},
						},
					})
				},
			},
		},
	})
}

func (self *LocalCommitsController) GetOnFocus() func(types.OnFocusOpts) {
	return func(types.OnFocusOpts) {
		context := self.context()
		if context.GetSelectedLineIdx() > COMMIT_THRESHOLD && context.GetLimitCommits() {
			context.SetLimitCommits(false)
			self.c.Refresh(types.RefreshOptions{Scope: []types.RefreshableView{types.COMMITS}})
		}
	}
}

func (self *LocalCommitsController) context() *context.LocalCommitsContext {
	return self.c.Contexts().LocalCommits
}

func (self *LocalCommitsController) paste() error {
	return self.c.Helpers().CherryPick.Paste()
}

func (self *LocalCommitsController) canPaste() *types.DisabledReason {
	if !self.c.Helpers().CherryPick.CanPaste() {
		return &types.DisabledReason{Text: self.c.Tr.NoCopiedCommits}
	}

	return nil
}

func (self *LocalCommitsController) markAsBaseCommit(commit *models.Commit) error {
	if commit.Hash() == self.c.Modes().MarkedBaseCommit.GetHash() {
		// Reset when invoking it again on the marked commit
		self.c.Modes().MarkedBaseCommit.SetHash("")
	} else {
		self.c.Modes().MarkedBaseCommit.SetHash(commit.Hash())
	}
	self.c.PostRefreshUpdate(self.c.Contexts().LocalCommits)
	return nil
}

func (self *LocalCommitsController) isHeadCommit(idx int) bool {
	return models.IsHeadCommit(self.c.Model().Commits, idx)
}

func (self *LocalCommitsController) isSelectedHeadCommit() bool {
	return self.isHeadCommit(self.context().GetSelectedLineIdx())
}

func (self *LocalCommitsController) notMidRebase(message string) func() *types.DisabledReason {
	return func() *types.DisabledReason {
		if self.isRebasing() {
			return &types.DisabledReason{Text: message}
		}

		return nil
	}
}

func (self *LocalCommitsController) canFindCommitForQuickStart() *types.DisabledReason {
	if _, err := self.findCommitForQuickStartInteractiveRebase(); err != nil {
		return &types.DisabledReason{Text: err.Error(), ShowErrorInPanel: true}
	}

	return nil
}

func (self *LocalCommitsController) canFindCommitForSquashFixupsInCurrentBranch() *types.DisabledReason {
	if _, _, err := self.findCommitForSquashFixupsInCurrentBranch(); err != nil {
		return &types.DisabledReason{Text: err.Error()}
	}

	return nil
}

func (self *LocalCommitsController) canSquashOrFixup(selectedCommits []*models.Commit, startIdx int, endIdx int) *types.DisabledReason {
	if endIdx >= len(self.c.Model().Commits)-1 {
		return &types.DisabledReason{Text: self.c.Tr.CannotSquashOrFixupFirstCommit}
	}

	if lo.SomeBy(selectedCommits, func(c *models.Commit) bool { return c.IsMerge() }) {
		return &types.DisabledReason{Text: self.c.Tr.CannotSquashOrFixupMergeCommit}
	}

	return nil
}

func (self *LocalCommitsController) canMoveDown(selectedCommits []*models.Commit, startIdx int, endIdx int) *types.DisabledReason {
	if endIdx >= len(self.c.Model().Commits)-1 {
		return &types.DisabledReason{Text: self.c.Tr.CannotMoveAnyFurther}
	}

	if self.isRebasing() {
		commits := self.c.Model().Commits

		if !commits[endIdx+1].IsTODO() || commits[endIdx+1].Status == models.StatusConflicted {
			return &types.DisabledReason{Text: self.c.Tr.CannotMoveAnyFurther}
		}
	}

	return nil
}

func (self *LocalCommitsController) canMoveUp(selectedCommits []*models.Commit, startIdx int, endIdx int) *types.DisabledReason {
	if startIdx == 0 {
		return &types.DisabledReason{Text: self.c.Tr.CannotMoveAnyFurther}
	}

	if self.isRebasing() {
		commits := self.c.Model().Commits

		if !commits[startIdx-1].IsTODO() || commits[startIdx-1].Status == models.StatusConflicted {
			return &types.DisabledReason{Text: self.c.Tr.CannotMoveAnyFurther}
		}
	}

	return nil
}

// Ensures that if we are mid-rebase, we're only selecting valid commits (non-conflict TODO commits)
func (self *LocalCommitsController) midRebaseCommandEnabled(selectedCommits []*models.Commit, startIdx int, endIdx int) *types.DisabledReason {
	if self.isCherryPickingOrReverting() {
		return &types.DisabledReason{Text: self.c.Tr.NotAllowedMidCherryPickOrRevert}
	}

	if !self.isRebasing() {
		return nil
	}

	for _, commit := range selectedCommits {
		if !commit.IsTODO() {
			return &types.DisabledReason{Text: self.c.Tr.MustSelectTodoCommits}
		}

		if !isChangeOfRebaseTodoAllowed(commit.Action) {
			return &types.DisabledReason{Text: self.c.Tr.ChangingThisActionIsNotAllowed}
		}
	}

	return nil
}

// Ensures that if we are mid-rebase, we're only selecting commits that can be moved
func (self *LocalCommitsController) midRebaseMoveCommandEnabled(selectedCommits []*models.Commit, startIdx int, endIdx int) *types.DisabledReason {
	if self.isCherryPickingOrReverting() {
		return &types.DisabledReason{Text: self.c.Tr.NotAllowedMidCherryPickOrRevert}
	}

	if !self.isRebasing() {
		if lo.SomeBy(selectedCommits, func(c *models.Commit) bool { return c.IsMerge() }) {
			return &types.DisabledReason{Text: self.c.Tr.CannotMoveMergeCommit}
		}

		return nil
	}

	for _, commit := range selectedCommits {
		if !commit.IsTODO() {
			return &types.DisabledReason{Text: self.c.Tr.MustSelectTodoCommits}
		}

		// All todo types that can be edited are allowed to be moved, plus
		// update-ref todos
		if !isChangeOfRebaseTodoAllowed(commit.Action) && commit.Action != todo.UpdateRef {
			return &types.DisabledReason{Text: self.c.Tr.ChangingThisActionIsNotAllowed}
		}
	}

	return nil
}

func (self *LocalCommitsController) canDropCommits(selectedCommits []*models.Commit, startIdx int, endIdx int) *types.DisabledReason {
	if self.isCherryPickingOrReverting() {
		return &types.DisabledReason{Text: self.c.Tr.NotAllowedMidCherryPickOrRevert}
	}

	if !self.isRebasing() {
		if len(selectedCommits) > 1 && lo.SomeBy(selectedCommits, func(c *models.Commit) bool { return c.IsMerge() }) {
			return &types.DisabledReason{Text: self.c.Tr.DroppingMergeRequiresSingleSelection}
		}

		return nil
	}

	nonUpdateRefTodos := lo.Filter(selectedCommits, func(c *models.Commit, _ int) bool {
		return c.Action != todo.UpdateRef
	})

	for _, commit := range nonUpdateRefTodos {
		if !commit.IsTODO() {
			return &types.DisabledReason{Text: self.c.Tr.MustSelectTodoCommits}
		}

		if !isChangeOfRebaseTodoAllowed(commit.Action) {
			return &types.DisabledReason{Text: self.c.Tr.ChangingThisActionIsNotAllowed}
		}
	}

	return nil
}

// These actions represent standard things you might want to do with a commit,
// as opposed to TODO actions like 'merge', 'update-ref', etc.
var standardActions = []todo.TodoCommand{
	todo.Pick,
	todo.Drop,
	todo.Edit,
	todo.Fixup,
	todo.Squash,
	todo.Reword,
}

func isChangeOfRebaseTodoAllowed(oldAction todo.TodoCommand) bool {
	// Only allow updating a standard action, meaning we disallow
	// updating a merge commit or update ref commit (until we decide what would be sensible
	// to do in those cases)
	return lo.Contains(standardActions, oldAction)
}

func (self *LocalCommitsController) pickEnabled(selectedCommits []*models.Commit, startIdx int, endIdx int) *types.DisabledReason {
	if self.isCherryPickingOrReverting() {
		return &types.DisabledReason{Text: self.c.Tr.NotAllowedMidCherryPickOrRevert}
	}

	if !self.isRebasing() {
		return &types.DisabledReason{Text: self.c.Tr.PickIsOnlyAllowedDuringRebase, AllowFurtherDispatching: true}
	}

	return self.midRebaseCommandEnabled(selectedCommits, startIdx, endIdx)
}