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lazygit/pkg/gui/controllers/branches_controller.go
Jesse Duffield 8edad826ca Begin refactoring gui
This begins a big refactor of moving more code out of the Gui struct into contexts, controllers, and helpers. We also move some code into structs in the
gui package purely for the sake of better encapsulation
2023-04-30 13:19:52 +10:00

533 lines
16 KiB
Go

package controllers
import (
"errors"
"fmt"
"strings"
"github.com/jesseduffield/lazygit/pkg/commands/git_commands"
"github.com/jesseduffield/lazygit/pkg/commands/models"
"github.com/jesseduffield/lazygit/pkg/gui/context"
"github.com/jesseduffield/lazygit/pkg/gui/types"
"github.com/jesseduffield/lazygit/pkg/utils"
)
type BranchesController struct {
baseController
*controllerCommon
}
var _ types.IController = &BranchesController{}
func NewBranchesController(
common *controllerCommon,
) *BranchesController {
return &BranchesController{
baseController: baseController{},
controllerCommon: common,
}
}
func (self *BranchesController) GetKeybindings(opts types.KeybindingsOpts) []*types.Binding {
return []*types.Binding{
{
Key: opts.GetKey(opts.Config.Universal.Select),
Handler: self.checkSelected(self.press),
Description: self.c.Tr.LcCheckout,
},
{
Key: opts.GetKey(opts.Config.Universal.New),
Handler: self.checkSelected(self.newBranch),
Description: self.c.Tr.LcNewBranch,
},
{
Key: opts.GetKey(opts.Config.Branches.CreatePullRequest),
Handler: self.checkSelected(self.handleCreatePullRequest),
Description: self.c.Tr.LcCreatePullRequest,
},
{
Key: opts.GetKey(opts.Config.Branches.ViewPullRequestOptions),
Handler: self.checkSelected(self.handleCreatePullRequestMenu),
Description: self.c.Tr.LcCreatePullRequestOptions,
OpensMenu: true,
},
{
Key: opts.GetKey(opts.Config.Branches.CopyPullRequestURL),
Handler: self.copyPullRequestURL,
Description: self.c.Tr.LcCopyPullRequestURL,
},
{
Key: opts.GetKey(opts.Config.Branches.CheckoutBranchByName),
Handler: self.checkoutByName,
Description: self.c.Tr.LcCheckoutByName,
},
{
Key: opts.GetKey(opts.Config.Branches.ForceCheckoutBranch),
Handler: self.forceCheckout,
Description: self.c.Tr.LcForceCheckout,
},
{
Key: opts.GetKey(opts.Config.Universal.Remove),
Handler: self.checkSelectedAndReal(self.delete),
Description: self.c.Tr.LcDeleteBranch,
},
{
Key: opts.GetKey(opts.Config.Branches.RebaseBranch),
Handler: opts.Guards.OutsideFilterMode(self.rebase),
Description: self.c.Tr.LcRebaseBranch,
},
{
Key: opts.GetKey(opts.Config.Branches.MergeIntoCurrentBranch),
Handler: opts.Guards.OutsideFilterMode(self.merge),
Description: self.c.Tr.LcMergeIntoCurrentBranch,
},
{
Key: opts.GetKey(opts.Config.Branches.FastForward),
Handler: self.checkSelectedAndReal(self.fastForward),
Description: self.c.Tr.FastForward,
},
{
Key: opts.GetKey(opts.Config.Branches.CreateTag),
Handler: self.checkSelected(self.createTag),
Description: self.c.Tr.LcCreateTag,
},
{
Key: opts.GetKey(opts.Config.Commits.ViewResetOptions),
Handler: self.checkSelected(self.createResetMenu),
Description: self.c.Tr.LcViewResetOptions,
OpensMenu: true,
},
{
Key: opts.GetKey(opts.Config.Branches.RenameBranch),
Handler: self.checkSelectedAndReal(self.rename),
Description: self.c.Tr.LcRenameBranch,
},
{
Key: opts.GetKey(opts.Config.Branches.SetUpstream),
Handler: self.checkSelected(self.setUpstream),
Description: self.c.Tr.LcSetUnsetUpstream,
OpensMenu: true,
},
}
}
func (self *BranchesController) GetOnRenderToMain() func() error {
return func() error {
return self.helpers.Diff.WithDiffModeCheck(func() error {
var task types.UpdateTask
branch := self.context().GetSelected()
if branch == nil {
task = types.NewRenderStringTask(self.c.Tr.NoBranchesThisRepo)
} else {
cmdObj := self.c.Git().Branch.GetGraphCmdObj(branch.FullRefName())
task = types.NewRunPtyTask(cmdObj.GetCmd())
}
return self.c.RenderToMainViews(types.RefreshMainOpts{
Pair: self.c.MainViewPairs().Normal,
Main: &types.ViewUpdateOpts{
Title: self.c.Tr.LogTitle,
Task: task,
},
})
})
}
}
func (self *BranchesController) setUpstream(selectedBranch *models.Branch) error {
return self.c.Menu(types.CreateMenuOptions{
Title: self.c.Tr.Actions.SetUnsetUpstream,
Items: []*types.MenuItem{
{
LabelColumns: []string{self.c.Tr.LcUnsetUpstream},
OnPress: func() error {
if err := self.git.Branch.UnsetUpstream(selectedBranch.Name); err != nil {
return self.c.Error(err)
}
if err := self.c.Refresh(types.RefreshOptions{
Mode: types.SYNC,
Scope: []types.RefreshableView{
types.BRANCHES,
types.COMMITS,
},
}); err != nil {
return self.c.Error(err)
}
return nil
},
Key: 'u',
},
{
LabelColumns: []string{self.c.Tr.LcSetUpstream},
OnPress: func() error {
return self.helpers.Upstream.PromptForUpstreamWithoutInitialContent(selectedBranch, func(upstream string) error {
upstreamRemote, upstreamBranch, err := self.helpers.Upstream.ParseUpstream(upstream)
if err != nil {
return self.c.Error(err)
}
if err := self.git.Branch.SetUpstream(upstreamRemote, upstreamBranch, selectedBranch.Name); err != nil {
return self.c.Error(err)
}
if err := self.c.Refresh(types.RefreshOptions{
Mode: types.SYNC,
Scope: []types.RefreshableView{
types.BRANCHES,
types.COMMITS,
},
}); err != nil {
return self.c.Error(err)
}
return nil
})
},
Key: 's',
},
},
})
}
func (self *BranchesController) Context() types.Context {
return self.context()
}
func (self *BranchesController) context() *context.BranchesContext {
return self.contexts.Branches
}
func (self *BranchesController) press(selectedBranch *models.Branch) error {
if selectedBranch == self.helpers.Refs.GetCheckedOutRef() {
return self.c.ErrorMsg(self.c.Tr.AlreadyCheckedOutBranch)
}
self.c.LogAction(self.c.Tr.Actions.CheckoutBranch)
return self.helpers.Refs.CheckoutRef(selectedBranch.Name, types.CheckoutRefOptions{})
}
func (self *BranchesController) handleCreatePullRequest(selectedBranch *models.Branch) error {
return self.createPullRequest(selectedBranch.Name, "")
}
func (self *BranchesController) handleCreatePullRequestMenu(selectedBranch *models.Branch) error {
checkedOutBranch := self.helpers.Refs.GetCheckedOutRef()
return self.createPullRequestMenu(selectedBranch, checkedOutBranch)
}
func (self *BranchesController) copyPullRequestURL() error {
branch := self.context().GetSelected()
branchExistsOnRemote := self.git.Remote.CheckRemoteBranchExists(branch.Name)
if !branchExistsOnRemote {
return self.c.Error(errors.New(self.c.Tr.NoBranchOnRemote))
}
url, err := self.helpers.Host.GetPullRequestURL(branch.Name, "")
if err != nil {
return self.c.Error(err)
}
self.c.LogAction(self.c.Tr.Actions.CopyPullRequestURL)
if err := self.os.CopyToClipboard(url); err != nil {
return self.c.Error(err)
}
self.c.Toast(self.c.Tr.PullRequestURLCopiedToClipboard)
return nil
}
func (self *BranchesController) forceCheckout() error {
branch := self.context().GetSelected()
message := self.c.Tr.SureForceCheckout
title := self.c.Tr.ForceCheckoutBranch
return self.c.Confirm(types.ConfirmOpts{
Title: title,
Prompt: message,
HandleConfirm: func() error {
self.c.LogAction(self.c.Tr.Actions.ForceCheckoutBranch)
if err := self.git.Branch.Checkout(branch.Name, git_commands.CheckoutOptions{Force: true}); err != nil {
_ = self.c.Error(err)
}
return self.c.Refresh(types.RefreshOptions{Mode: types.ASYNC})
},
})
}
func (self *BranchesController) checkoutByName() error {
return self.c.Prompt(types.PromptOpts{
Title: self.c.Tr.BranchName + ":",
FindSuggestionsFunc: self.helpers.Suggestions.GetRefsSuggestionsFunc(),
HandleConfirm: func(response string) error {
self.c.LogAction("Checkout branch")
return self.helpers.Refs.CheckoutRef(response, types.CheckoutRefOptions{
OnRefNotFound: func(ref string) error {
return self.c.Confirm(types.ConfirmOpts{
Title: self.c.Tr.BranchNotFoundTitle,
Prompt: fmt.Sprintf("%s %s%s", self.c.Tr.BranchNotFoundPrompt, ref, "?"),
HandleConfirm: func() error {
return self.createNewBranchWithName(ref)
},
})
},
})
},
},
)
}
func (self *BranchesController) createNewBranchWithName(newBranchName string) error {
branch := self.context().GetSelected()
if branch == nil {
return nil
}
if err := self.git.Branch.New(newBranchName, branch.FullRefName()); err != nil {
return self.c.Error(err)
}
self.context().SetSelectedLineIdx(0)
return self.c.Refresh(types.RefreshOptions{Mode: types.ASYNC})
}
func (self *BranchesController) delete(branch *models.Branch) error {
checkedOutBranch := self.helpers.Refs.GetCheckedOutRef()
if checkedOutBranch.Name == branch.Name {
return self.c.ErrorMsg(self.c.Tr.CantDeleteCheckOutBranch)
}
return self.deleteWithForce(branch, false)
}
func (self *BranchesController) deleteWithForce(selectedBranch *models.Branch, force bool) error {
title := self.c.Tr.DeleteBranch
var templateStr string
if force {
templateStr = self.c.Tr.ForceDeleteBranchMessage
} else {
templateStr = self.c.Tr.DeleteBranchMessage
}
message := utils.ResolvePlaceholderString(
templateStr,
map[string]string{
"selectedBranchName": selectedBranch.Name,
},
)
return self.c.Confirm(types.ConfirmOpts{
Title: title,
Prompt: message,
HandleConfirm: func() error {
self.c.LogAction(self.c.Tr.Actions.DeleteBranch)
if err := self.git.Branch.Delete(selectedBranch.Name, force); err != nil {
errMessage := err.Error()
if !force && strings.Contains(errMessage, "git branch -D ") {
return self.deleteWithForce(selectedBranch, true)
}
return self.c.ErrorMsg(errMessage)
}
return self.c.Refresh(types.RefreshOptions{Mode: types.ASYNC, Scope: []types.RefreshableView{types.BRANCHES}})
},
})
}
func (self *BranchesController) merge() error {
selectedBranchName := self.context().GetSelected().Name
return self.helpers.MergeAndRebase.MergeRefIntoCheckedOutBranch(selectedBranchName)
}
func (self *BranchesController) rebase() error {
selectedBranchName := self.context().GetSelected().Name
return self.helpers.MergeAndRebase.RebaseOntoRef(selectedBranchName)
}
func (self *BranchesController) fastForward(branch *models.Branch) error {
if !branch.IsTrackingRemote() {
return self.c.ErrorMsg(self.c.Tr.FwdNoUpstream)
}
if !branch.RemoteBranchStoredLocally() {
return self.c.ErrorMsg(self.c.Tr.FwdNoLocalUpstream)
}
if branch.HasCommitsToPush() {
return self.c.ErrorMsg(self.c.Tr.FwdCommitsToPush)
}
action := self.c.Tr.Actions.FastForwardBranch
message := utils.ResolvePlaceholderString(
self.c.Tr.Fetching,
map[string]string{
"from": fmt.Sprintf("%s/%s", branch.UpstreamRemote, branch.UpstreamBranch),
"to": branch.Name,
},
)
return self.c.WithLoaderPanel(message, func() error {
if branch == self.helpers.Refs.GetCheckedOutRef() {
self.c.LogAction(action)
err := self.git.Sync.Pull(
git_commands.PullOptions{
RemoteName: branch.UpstreamRemote,
BranchName: branch.UpstreamBranch,
FastForwardOnly: true,
},
)
if err != nil {
_ = self.c.Error(err)
}
return self.c.Refresh(types.RefreshOptions{Mode: types.ASYNC})
} else {
self.c.LogAction(action)
err := self.git.Sync.FastForward(branch.Name, branch.UpstreamRemote, branch.UpstreamBranch)
if err != nil {
_ = self.c.Error(err)
}
_ = self.c.Refresh(types.RefreshOptions{Mode: types.ASYNC, Scope: []types.RefreshableView{types.BRANCHES}})
}
return nil
})
}
func (self *BranchesController) createTag(branch *models.Branch) error {
return self.helpers.Tags.CreateTagMenu(branch.FullRefName(), func() {})
}
func (self *BranchesController) createResetMenu(selectedBranch *models.Branch) error {
return self.helpers.Refs.CreateGitResetMenu(selectedBranch.Name)
}
func (self *BranchesController) rename(branch *models.Branch) error {
promptForNewName := func() error {
return self.c.Prompt(types.PromptOpts{
Title: self.c.Tr.NewBranchNamePrompt + " " + branch.Name + ":",
InitialContent: branch.Name,
HandleConfirm: func(newBranchName string) error {
self.c.LogAction(self.c.Tr.Actions.RenameBranch)
if err := self.git.Branch.Rename(branch.Name, newBranchName); err != nil {
return self.c.Error(err)
}
// need to find where the branch is now so that we can re-select it. That means we need to refetch the branches synchronously and then find our branch
_ = self.c.Refresh(types.RefreshOptions{Mode: types.SYNC, Scope: []types.RefreshableView{types.BRANCHES}})
// now that we've got our stuff again we need to find that branch and reselect it.
for i, newBranch := range self.model.Branches {
if newBranch.Name == newBranchName {
self.context().SetSelectedLineIdx(i)
if err := self.context().HandleRender(); err != nil {
return err
}
}
}
return nil
},
})
}
// I could do an explicit check here for whether the branch is tracking a remote branch
// but if we've selected it we'll already know that via Pullables and Pullables.
// Bit of a hack but I'm lazy.
if !branch.IsTrackingRemote() {
return promptForNewName()
}
return self.c.Confirm(types.ConfirmOpts{
Title: self.c.Tr.LcRenameBranch,
Prompt: self.c.Tr.RenameBranchWarning,
HandleConfirm: promptForNewName,
})
}
func (self *BranchesController) newBranch(selectedBranch *models.Branch) error {
return self.helpers.Refs.NewBranch(selectedBranch.FullRefName(), selectedBranch.RefName(), "")
}
func (self *BranchesController) createPullRequestMenu(selectedBranch *models.Branch, checkedOutBranch *models.Branch) error {
menuItems := make([]*types.MenuItem, 0, 4)
fromToLabelColumns := func(from string, to string) []string {
return []string{fmt.Sprintf("%s → %s", from, to)}
}
menuItemsForBranch := func(branch *models.Branch) []*types.MenuItem {
return []*types.MenuItem{
{
LabelColumns: fromToLabelColumns(branch.Name, self.c.Tr.LcDefaultBranch),
OnPress: func() error {
return self.createPullRequest(branch.Name, "")
},
},
{
LabelColumns: fromToLabelColumns(branch.Name, self.c.Tr.LcSelectBranch),
OnPress: func() error {
return self.c.Prompt(types.PromptOpts{
Title: branch.Name + " →",
FindSuggestionsFunc: self.helpers.Suggestions.GetBranchNameSuggestionsFunc(),
HandleConfirm: func(targetBranchName string) error {
return self.createPullRequest(branch.Name, targetBranchName)
},
})
},
},
}
}
if selectedBranch != checkedOutBranch {
menuItems = append(menuItems,
&types.MenuItem{
LabelColumns: fromToLabelColumns(checkedOutBranch.Name, selectedBranch.Name),
OnPress: func() error {
return self.createPullRequest(checkedOutBranch.Name, selectedBranch.Name)
},
},
)
menuItems = append(menuItems, menuItemsForBranch(checkedOutBranch)...)
}
menuItems = append(menuItems, menuItemsForBranch(selectedBranch)...)
return self.c.Menu(types.CreateMenuOptions{Title: fmt.Sprintf(self.c.Tr.CreatePullRequestOptions), Items: menuItems})
}
func (self *BranchesController) createPullRequest(from string, to string) error {
url, err := self.helpers.Host.GetPullRequestURL(from, to)
if err != nil {
return self.c.Error(err)
}
self.c.LogAction(self.c.Tr.Actions.OpenPullRequest)
if err := self.os.OpenLink(url); err != nil {
return self.c.Error(err)
}
return nil
}
func (self *BranchesController) checkSelected(callback func(*models.Branch) error) func() error {
return func() error {
selectedItem := self.context().GetSelected()
if selectedItem == nil {
return nil
}
return callback(selectedItem)
}
}
func (self *BranchesController) checkSelectedAndReal(callback func(*models.Branch) error) func() error {
return func() error {
selectedItem := self.context().GetSelected()
if selectedItem == nil || !selectedItem.IsRealBranch() {
return nil
}
return callback(selectedItem)
}
}