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mirror of https://github.com/jesseduffield/lazygit.git synced 2024-12-12 11:15:00 +02:00
lazygit/pkg/gui/files_panel.go
2020-01-12 11:17:20 +11:00

621 lines
16 KiB
Go

package gui
import (
// "io"
// "io/ioutil"
// "strings"
"fmt"
"strings"
"github.com/jesseduffield/gocui"
"github.com/jesseduffield/lazygit/pkg/commands"
"github.com/jesseduffield/lazygit/pkg/utils"
)
// list panel functions
func (gui *Gui) getSelectedFile(g *gocui.Gui) (*commands.File, error) {
selectedLine := gui.State.Panels.Files.SelectedLine
if selectedLine == -1 {
return &commands.File{}, gui.Errors.ErrNoFiles
}
return gui.State.Files[selectedLine], nil
}
func (gui *Gui) selectFile(alreadySelected bool) error {
file, err := gui.getSelectedFile(gui.g)
if err != nil {
if err != gui.Errors.ErrNoFiles {
return err
}
return gui.newStringTask("main", gui.Tr.SLocalize("NoChangedFiles"))
}
if err := gui.focusPoint(0, gui.State.Panels.Files.SelectedLine, len(gui.State.Files), gui.getFilesView()); err != nil {
return err
}
if file.HasInlineMergeConflicts {
gui.getMainView().Title = gui.Tr.SLocalize("MergeConflictsTitle")
gui.State.SplitMainPanel = false
return gui.refreshMergePanel()
}
if !alreadySelected {
if err := gui.resetOrigin(gui.getMainView()); err != nil {
return err
}
if err := gui.resetOrigin(gui.getSecondaryView()); err != nil {
return err
}
}
if file.HasStagedChanges && file.HasUnstagedChanges {
gui.State.SplitMainPanel = true
gui.getMainView().Title = gui.Tr.SLocalize("UnstagedChanges")
gui.getSecondaryView().Title = gui.Tr.SLocalize("StagedChanges")
cmdStr := gui.GitCommand.DiffCmdStr(file, false, true)
cmd := gui.OSCommand.ExecutableFromString(cmdStr)
if err := gui.newCmdTask("secondary", cmd); err != nil {
return err
}
} else {
gui.State.SplitMainPanel = false
if file.HasUnstagedChanges {
gui.getMainView().Title = gui.Tr.SLocalize("UnstagedChanges")
} else {
gui.getMainView().Title = gui.Tr.SLocalize("StagedChanges")
}
}
cmdStr := gui.GitCommand.DiffCmdStr(file, false, !file.HasUnstagedChanges && file.HasStagedChanges)
cmd := gui.OSCommand.ExecutableFromString(cmdStr)
if err := gui.newCmdTask("main", cmd); err != nil {
return err
}
return nil
}
func (gui *Gui) refreshFiles() error {
gui.State.RefreshingFilesMutex.Lock()
gui.State.IsRefreshingFiles = true
defer func() {
gui.State.IsRefreshingFiles = false
gui.State.RefreshingFilesMutex.Unlock()
}()
selectedFile, _ := gui.getSelectedFile(gui.g)
filesView := gui.getFilesView()
if filesView == nil {
// if the filesView hasn't been instantiated yet we just return
return nil
}
if err := gui.refreshStateFiles(); err != nil {
return err
}
gui.g.Update(func(g *gocui.Gui) error {
filesView.Clear()
isFocused := gui.g.CurrentView().Name() == "files"
list, err := utils.RenderList(gui.State.Files, isFocused)
if err != nil {
return err
}
fmt.Fprint(filesView, list)
if g.CurrentView() == filesView || (g.CurrentView() == gui.getMainView() && g.CurrentView().Context == "merging") {
newSelectedFile, _ := gui.getSelectedFile(gui.g)
alreadySelected := newSelectedFile.Name == selectedFile.Name
return gui.selectFile(alreadySelected)
}
return nil
})
return nil
}
// specific functions
func (gui *Gui) stagedFiles() []*commands.File {
files := gui.State.Files
result := make([]*commands.File, 0)
for _, file := range files {
if file.HasStagedChanges {
result = append(result, file)
}
}
return result
}
func (gui *Gui) trackedFiles() []*commands.File {
files := gui.State.Files
result := make([]*commands.File, 0)
for _, file := range files {
if file.Tracked {
result = append(result, file)
}
}
return result
}
func (gui *Gui) stageSelectedFile(g *gocui.Gui) error {
file, err := gui.getSelectedFile(g)
if err != nil {
return err
}
return gui.GitCommand.StageFile(file.Name)
}
func (gui *Gui) handleEnterFile(g *gocui.Gui, v *gocui.View) error {
return gui.enterFile(false, -1)
}
func (gui *Gui) enterFile(forceSecondaryFocused bool, selectedLineIdx int) error {
file, err := gui.getSelectedFile(gui.g)
if err != nil {
if err != gui.Errors.ErrNoFiles {
return err
}
return nil
}
if file.HasInlineMergeConflicts {
return gui.handleSwitchToMerge(gui.g, gui.getFilesView())
}
if file.HasMergeConflicts {
return gui.createErrorPanel(gui.g, gui.Tr.SLocalize("FileStagingRequirements"))
}
if err := gui.changeMainViewsContext("staging"); err != nil {
return err
}
if err := gui.switchFocus(gui.g, gui.getFilesView(), gui.getMainView()); err != nil {
return err
}
return gui.refreshStagingPanel(forceSecondaryFocused, selectedLineIdx)
}
func (gui *Gui) handleFilePress(g *gocui.Gui, v *gocui.View) error {
file, err := gui.getSelectedFile(g)
if err != nil {
if err == gui.Errors.ErrNoFiles {
return nil
}
return err
}
if file.HasInlineMergeConflicts {
return gui.handleSwitchToMerge(g, v)
}
if file.HasUnstagedChanges {
gui.GitCommand.StageFile(file.Name)
} else {
gui.GitCommand.UnStageFile(file.Name, file.Tracked)
}
if err := gui.refreshFiles(); err != nil {
return err
}
return gui.selectFile(true)
}
func (gui *Gui) allFilesStaged() bool {
for _, file := range gui.State.Files {
if file.HasUnstagedChanges {
return false
}
}
return true
}
func (gui *Gui) focusAndSelectFile(g *gocui.Gui, v *gocui.View) error {
if _, err := gui.g.SetCurrentView("files"); err != nil {
return err
}
return gui.selectFile(false)
}
func (gui *Gui) handleStageAll(g *gocui.Gui, v *gocui.View) error {
var err error
if gui.allFilesStaged() {
err = gui.GitCommand.UnstageAll()
} else {
err = gui.GitCommand.StageAll()
}
if err != nil {
_ = gui.createErrorPanel(g, err.Error())
}
if err := gui.refreshFiles(); err != nil {
return err
}
return gui.selectFile(false)
}
func (gui *Gui) handleIgnoreFile(g *gocui.Gui, v *gocui.View) error {
file, err := gui.getSelectedFile(g)
if err != nil {
return gui.createErrorPanel(g, err.Error())
}
if file.Tracked {
return gui.createErrorPanel(g, gui.Tr.SLocalize("CantIgnoreTrackFiles"))
}
if err := gui.GitCommand.Ignore(file.Name); err != nil {
return gui.createErrorPanel(g, err.Error())
}
return gui.refreshFiles()
}
func (gui *Gui) handleWIPCommitPress(g *gocui.Gui, filesView *gocui.View) error {
skipHookPreifx := gui.Config.GetUserConfig().GetString("git.skipHookPrefix")
if skipHookPreifx == "" {
return gui.createErrorPanel(gui.g, gui.Tr.SLocalize("SkipHookPrefixNotConfigured"))
}
if err := gui.renderString(g, "commitMessage", skipHookPreifx); err != nil {
return err
}
if err := gui.getCommitMessageView().SetCursor(len(skipHookPreifx), 0); err != nil {
return err
}
return gui.handleCommitPress(g, filesView)
}
func (gui *Gui) handleCommitPress(g *gocui.Gui, filesView *gocui.View) error {
if len(gui.stagedFiles()) == 0 && gui.State.WorkingTreeState == "normal" {
return gui.createErrorPanel(g, gui.Tr.SLocalize("NoStagedFilesToCommit"))
}
commitMessageView := gui.getCommitMessageView()
g.Update(func(g *gocui.Gui) error {
g.SetViewOnTop("commitMessage")
gui.switchFocus(g, filesView, commitMessageView)
gui.RenderCommitLength()
return nil
})
return nil
}
func (gui *Gui) handleAmendCommitPress(g *gocui.Gui, filesView *gocui.View) error {
if len(gui.stagedFiles()) == 0 && gui.State.WorkingTreeState == "normal" {
return gui.createErrorPanel(g, gui.Tr.SLocalize("NoStagedFilesToCommit"))
}
if len(gui.State.Commits) == 0 {
return gui.createErrorPanel(g, gui.Tr.SLocalize("NoCommitToAmend"))
}
title := strings.Title(gui.Tr.SLocalize("AmendLastCommit"))
question := gui.Tr.SLocalize("SureToAmend")
return gui.createConfirmationPanel(g, filesView, true, title, question, func(g *gocui.Gui, v *gocui.View) error {
ok, err := gui.runSyncOrAsyncCommand(gui.GitCommand.AmendHead())
if err != nil {
return err
}
if !ok {
return nil
}
return gui.refreshSidePanels(g)
}, nil)
}
// handleCommitEditorPress - handle when the user wants to commit changes via
// their editor rather than via the popup panel
func (gui *Gui) handleCommitEditorPress(g *gocui.Gui, filesView *gocui.View) error {
if len(gui.stagedFiles()) == 0 && gui.State.WorkingTreeState == "normal" {
return gui.createErrorPanel(g, gui.Tr.SLocalize("NoStagedFilesToCommit"))
}
gui.PrepareSubProcess(g, "git", "commit")
return nil
}
// PrepareSubProcess - prepare a subprocess for execution and tell the gui to switch to it
func (gui *Gui) PrepareSubProcess(g *gocui.Gui, commands ...string) {
gui.SubProcess = gui.GitCommand.PrepareCommitSubProcess()
g.Update(func(g *gocui.Gui) error {
return gui.Errors.ErrSubProcess
})
}
func (gui *Gui) editFile(filename string) error {
_, err := gui.runSyncOrAsyncCommand(gui.OSCommand.EditFile(filename))
return err
}
func (gui *Gui) handleFileEdit(g *gocui.Gui, v *gocui.View) error {
file, err := gui.getSelectedFile(g)
if err != nil {
return gui.createErrorPanel(gui.g, err.Error())
}
return gui.editFile(file.Name)
}
func (gui *Gui) handleFileOpen(g *gocui.Gui, v *gocui.View) error {
file, err := gui.getSelectedFile(g)
if err != nil {
return gui.createErrorPanel(gui.g, err.Error())
}
return gui.openFile(file.Name)
}
func (gui *Gui) handleRefreshFiles(g *gocui.Gui, v *gocui.View) error {
return gui.refreshFiles()
}
func (gui *Gui) refreshStateFiles() error {
// get files to stage
files := gui.GitCommand.GetStatusFiles()
gui.State.Files = gui.GitCommand.MergeStatusFiles(gui.State.Files, files)
if err := gui.fileWatcher.addFilesToFileWatcher(files); err != nil {
return err
}
gui.refreshSelectedLine(&gui.State.Panels.Files.SelectedLine, len(gui.State.Files))
return gui.updateWorkTreeState()
}
func (gui *Gui) catSelectedFile(g *gocui.Gui) (string, error) {
item, err := gui.getSelectedFile(g)
if err != nil {
if err != gui.Errors.ErrNoFiles {
return "", err
}
return "", gui.newStringTask("main", gui.Tr.SLocalize("NoFilesDisplay"))
}
if item.Type != "file" {
return "", gui.newStringTask("main", gui.Tr.SLocalize("NotAFile"))
}
cat, err := gui.GitCommand.CatFile(item.Name)
if err != nil {
gui.Log.Error(err)
return "", gui.newStringTask("main", err.Error())
}
return cat, nil
}
func (gui *Gui) handlePullFiles(g *gocui.Gui, v *gocui.View) error {
// if we have no upstream branch we need to set that first
_, pullables := gui.GitCommand.GetCurrentBranchUpstreamDifferenceCount()
currentBranchName, err := gui.GitCommand.CurrentBranchName()
if err != nil {
return err
}
if pullables == "?" {
return gui.createPromptPanel(g, v, gui.Tr.SLocalize("EnterUpstream"), "origin/"+currentBranchName, func(g *gocui.Gui, v *gocui.View) error {
upstream := gui.trimmedContent(v)
if err := gui.GitCommand.SetUpstreamBranch(upstream); err != nil {
errorMessage := err.Error()
if strings.Contains(errorMessage, "does not exist") {
errorMessage = fmt.Sprintf("upstream branch %s not found.\nIf you expect it to exist, you should fetch (with 'f').\nOtherwise, you should push (with 'shift+P')", upstream)
}
return gui.createErrorPanel(gui.g, errorMessage)
}
return gui.pullFiles(v)
})
}
return gui.pullFiles(v)
}
func (gui *Gui) pullFiles(v *gocui.View) error {
if err := gui.createLoaderPanel(gui.g, v, gui.Tr.SLocalize("PullWait")); err != nil {
return err
}
go func() {
unamePassOpend := false
err := gui.GitCommand.Pull(func(passOrUname string) string {
unamePassOpend = true
return gui.waitForPassUname(gui.g, v, passOrUname)
})
gui.HandleCredentialsPopup(gui.g, unamePassOpend, err)
}()
return nil
}
func (gui *Gui) pushWithForceFlag(g *gocui.Gui, v *gocui.View, force bool, upstream string) error {
if err := gui.createLoaderPanel(gui.g, v, gui.Tr.SLocalize("PushWait")); err != nil {
return err
}
go func() {
unamePassOpend := false
branchName := gui.getCheckedOutBranch().Name
err := gui.GitCommand.Push(branchName, force, upstream, func(passOrUname string) string {
unamePassOpend = true
return gui.waitForPassUname(g, v, passOrUname)
})
gui.HandleCredentialsPopup(g, unamePassOpend, err)
}()
return nil
}
func (gui *Gui) pushFiles(g *gocui.Gui, v *gocui.View) error {
// if we have pullables we'll ask if the user wants to force push
_, pullables := gui.GitCommand.GetCurrentBranchUpstreamDifferenceCount()
currentBranchName, err := gui.GitCommand.CurrentBranchName()
if err != nil {
return err
}
if pullables == "?" {
return gui.createPromptPanel(g, v, gui.Tr.SLocalize("EnterUpstream"), "origin "+currentBranchName, func(g *gocui.Gui, v *gocui.View) error {
return gui.pushWithForceFlag(g, v, false, gui.trimmedContent(v))
})
} else if pullables == "0" {
return gui.pushWithForceFlag(g, v, false, "")
}
return gui.createConfirmationPanel(g, v, true, gui.Tr.SLocalize("ForcePush"), gui.Tr.SLocalize("ForcePushPrompt"), func(g *gocui.Gui, v *gocui.View) error {
return gui.pushWithForceFlag(g, v, true, "")
}, nil)
}
func (gui *Gui) handleSwitchToMerge(g *gocui.Gui, v *gocui.View) error {
file, err := gui.getSelectedFile(g)
if err != nil {
if err != gui.Errors.ErrNoFiles {
return gui.createErrorPanel(gui.g, err.Error())
}
return nil
}
if !file.HasInlineMergeConflicts {
return gui.createErrorPanel(g, gui.Tr.SLocalize("FileNoMergeCons"))
}
if err := gui.changeMainViewsContext("merging"); err != nil {
return err
}
if err := gui.switchFocus(g, v, gui.getMainView()); err != nil {
return err
}
return gui.refreshMergePanel()
}
func (gui *Gui) handleAbortMerge(g *gocui.Gui, v *gocui.View) error {
if err := gui.GitCommand.AbortMerge(); err != nil {
return gui.createErrorPanel(g, err.Error())
}
gui.createMessagePanel(g, v, "", gui.Tr.SLocalize("MergeAborted"))
gui.refreshStatus(g)
return gui.refreshFiles()
}
func (gui *Gui) openFile(filename string) error {
if err := gui.OSCommand.OpenFile(filename); err != nil {
return gui.createErrorPanel(gui.g, err.Error())
}
return nil
}
func (gui *Gui) anyFilesWithMergeConflicts() bool {
for _, file := range gui.State.Files {
if file.HasMergeConflicts {
return true
}
}
return false
}
type discardOption struct {
handler func(fileName *commands.File) error
description string
}
// GetDisplayStrings is a function.
func (r *discardOption) GetDisplayStrings(isFocused bool) []string {
return []string{r.description}
}
func (gui *Gui) handleCreateDiscardMenu(g *gocui.Gui, v *gocui.View) error {
file, err := gui.getSelectedFile(g)
if err != nil {
if err != gui.Errors.ErrNoFiles {
return err
}
return nil
}
options := []*discardOption{
{
description: gui.Tr.SLocalize("discardAllChanges"),
handler: func(file *commands.File) error {
return gui.GitCommand.DiscardAllFileChanges(file)
},
},
{
description: gui.Tr.SLocalize("cancel"),
handler: func(file *commands.File) error {
return nil
},
},
}
if file.HasStagedChanges && file.HasUnstagedChanges {
discardUnstagedChanges := &discardOption{
description: gui.Tr.SLocalize("discardUnstagedChanges"),
handler: func(file *commands.File) error {
return gui.GitCommand.DiscardUnstagedFileChanges(file)
},
}
options = append(options[:1], append([]*discardOption{discardUnstagedChanges}, options[1:]...)...)
}
handleMenuPress := func(index int) error {
file, err := gui.getSelectedFile(g)
if err != nil {
return err
}
if err := options[index].handler(file); err != nil {
return err
}
return gui.refreshFiles()
}
return gui.createMenu(file.Name, options, len(options), handleMenuPress)
}
func (gui *Gui) handleCustomCommand(g *gocui.Gui, v *gocui.View) error {
return gui.createPromptPanel(g, v, gui.Tr.SLocalize("CustomCommand"), "", func(g *gocui.Gui, v *gocui.View) error {
command := gui.trimmedContent(v)
gui.SubProcess = gui.OSCommand.RunCustomCommand(command)
return gui.Errors.ErrSubProcess
})
}
type stashOption struct {
description string
handler func() error
}
// GetDisplayStrings is a function.
func (o *stashOption) GetDisplayStrings(isFocused bool) []string {
return []string{o.description}
}
func (gui *Gui) handleCreateStashMenu(g *gocui.Gui, v *gocui.View) error {
options := []*stashOption{
{
description: gui.Tr.SLocalize("stashAllChanges"),
handler: func() error {
return gui.handleStashSave(gui.GitCommand.StashSave)
},
},
{
description: gui.Tr.SLocalize("stashStagedChanges"),
handler: func() error {
return gui.handleStashSave(gui.GitCommand.StashSaveStagedChanges)
},
},
{
description: gui.Tr.SLocalize("cancel"),
handler: func() error {
return nil
},
},
}
handleMenuPress := func(index int) error {
return options[index].handler()
}
return gui.createMenu(gui.Tr.SLocalize("stashOptions"), options, len(options), handleMenuPress)
}
func (gui *Gui) handleStashChanges(g *gocui.Gui, v *gocui.View) error {
return gui.handleStashSave(gui.GitCommand.StashSave)
}