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Code Issues Releases Activity

avoid deadlock in merge panel

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This commit is contained in:
Jesse Duffield
2022-01-15 13:29:28 +11:00
parent cdcfeb396f
commit 8d8bdb948b
9 changed files with 79 additions and 59 deletions
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17
pkg/gui/diff_context_size.go
View File

@@ -4,10 +4,25 @@ import (
"errors"
)
var CONTEXT_KEYS_SHOWING_DIFFS = []ContextKey{
FILES_CONTEXT_KEY,
COMMIT_FILES_CONTEXT_KEY,
STASH_CONTEXT_KEY,
BRANCH_COMMITS_CONTEXT_KEY,
SUB_COMMITS_CONTEXT_KEY,
MAIN_STAGING_CONTEXT_KEY,
MAIN_PATCH_BUILDING_CONTEXT_KEY,
}
func isShowingDiff(gui *Gui) bool {
key := gui.currentStaticContext().GetKey()
return key == FILES_CONTEXT_KEY || key == COMMIT_FILES_CONTEXT_KEY || key == STASH_CONTEXT_KEY || key == BRANCH_COMMITS_CONTEXT_KEY || key == SUB_COMMITS_CONTEXT_KEY || key == MAIN_STAGING_CONTEXT_KEY || key == MAIN_PATCH_BUILDING_CONTEXT_KEY
for _, contextKey := range CONTEXT_KEYS_SHOWING_DIFFS {
if key == contextKey {
return true
}
}
return false
}
func (gui *Gui) IncreaseContextInDiffView() error {

8
pkg/gui/diff_context_size_test.go
View File

@@ -65,7 +65,9 @@ func TestDoesntIncreaseContextInDiffViewInContextWithoutDiff(t *testing.T) {
func(gui *Gui) Context { return gui.State.Contexts.ReflogCommits },
func(gui *Gui) Context { return gui.State.Contexts.RemoteBranches },
func(gui *Gui) Context { return gui.State.Contexts.Tags },
func(gui *Gui) Context { return gui.State.Contexts.Merging },
// not testing this because it will kick straight back to the files context
// upon pushing the context
// func(gui *Gui) Context { return gui.State.Contexts.Merging },
func(gui *Gui) Context { return gui.State.Contexts.CommandLog },
}
@@ -115,7 +117,9 @@ func TestDoesntDecreaseContextInDiffViewInContextWithoutDiff(t *testing.T) {
func(gui *Gui) Context { return gui.State.Contexts.ReflogCommits },
func(gui *Gui) Context { return gui.State.Contexts.RemoteBranches },
func(gui *Gui) Context { return gui.State.Contexts.Tags },
func(gui *Gui) Context { return gui.State.Contexts.Merging },
// not testing this because it will kick straight back to the files context
// upon pushing the context
// func(gui *Gui) Context { return gui.State.Contexts.Merging },
func(gui *Gui) Context { return gui.State.Contexts.CommandLog },
}

12
pkg/gui/files_panel.go
View File

@@ -54,7 +54,7 @@ func (gui *Gui) filesRenderToMain() error {
}
if node.File != nil && node.File.HasInlineMergeConflicts {
return gui.refreshMergePanelWithLock()
return gui.renderConflictsFromFilesPanel()
}
cmdObj := gui.Git.WorkingTree.WorktreeFileDiffCmdObj(node, false, !node.GetHasUnstagedChanges() && node.GetHasStagedChanges(), gui.State.IgnoreWhitespaceInDiffView)
@@ -182,7 +182,7 @@ func (gui *Gui) enterFile(opts OnFocusOpts) error {
}
if file.HasInlineMergeConflicts {
return gui.handleSwitchToMerge()
return gui.switchToMerge()
}
if file.HasMergeConflicts {
return gui.createErrorPanel(gui.Tr.FileStagingRequirements)
@@ -201,7 +201,7 @@ func (gui *Gui) handleFilePress() error {
file := node.File
if file.HasInlineMergeConflicts {
return gui.handleSwitchToMerge()
return gui.switchToMerge()
}
if file.HasUnstagedChanges {
@@ -880,16 +880,12 @@ func (gui *Gui) upstreamForBranchInConfig(branchName string) (string, string, er
return "", "", nil
}
func (gui *Gui) handleSwitchToMerge() error {
func (gui *Gui) switchToMerge() error {
file := gui.getSelectedFile()
if file == nil {
return nil
}
if !file.HasInlineMergeConflicts {
return gui.createErrorPanel(gui.Tr.FileNoMergeCons)
}
return gui.pushContext(gui.State.Contexts.Merging)
}

2
pkg/gui/menu_panel.go
View File

@@ -39,7 +39,7 @@ func (gui *Gui) getMenuOptions() map[string]string {
}
func (gui *Gui) handleMenuClose() error {
return gui.returnFromContextSync()
return gui.returnFromContext()
}
type createMenuOptions struct {

94
pkg/gui/merge_panel.go
View File

@@ -90,6 +90,7 @@ func (gui *Gui) handlePickHunk() error {
if err := gui.handleCompleteMerge(); err != nil {
return err
}
return nil
}
return gui.refreshMergePanel()
})
@@ -151,11 +152,19 @@ func (gui *Gui) refreshMergePanelWithLock() error {
return gui.withMergeConflictLock(gui.refreshMergePanel)
}
func (gui *Gui) refreshMergePanel() error {
panelState := gui.State.Panels.Merging
// not re-using state here because we can run into issues with mutexes when
// doing that.
func (gui *Gui) renderConflictsFromFilesPanel() error {
state := mergeconflicts.NewState()
_, err := gui.renderConflicts(state, false)
return err
}
func (gui *Gui) renderConflicts(state *mergeconflicts.State, hasFocus bool) (bool, error) {
cat, err := gui.catSelectedFile()
if err != nil {
return gui.refreshMainViews(refreshMainOpts{
return false, gui.refreshMainViews(refreshMainOpts{
main: &viewUpdateOpts{
title: "",
task: NewRenderStringTask(err.Error()),
@@ -163,20 +172,20 @@ func (gui *Gui) refreshMergePanel() error {
})
}
panelState.SetConflictsFromCat(cat)
state.SetConflictsFromCat(cat)
if panelState.NoConflicts() {
return gui.handleCompleteMerge()
if state.NoConflicts() {
// we shouldn't end up here
return false, nil
}
hasFocus := gui.currentViewName() == "main"
content := mergeconflicts.ColoredConflictFile(cat, panelState.State, hasFocus)
content := mergeconflicts.ColoredConflictFile(cat, state, hasFocus)
if err := gui.scrollToConflict(); err != nil {
return err
if !gui.State.Panels.Merging.UserVerticalScrolling {
gui.centerYPos(gui.Views.Main, state.GetConflictMiddle())
}
return gui.refreshMainViews(refreshMainOpts{
return true, gui.refreshMainViews(refreshMainOpts{
main: &viewUpdateOpts{
title: gui.Tr.MergeConflictsTitle,
task: NewRenderStringWithoutScrollTask(content),
@@ -185,6 +194,19 @@ func (gui *Gui) refreshMergePanel() error {
})
}
func (gui *Gui) refreshMergePanel() error {
conflictsFound, err := gui.renderConflicts(gui.State.Panels.Merging.State, true)
if err != nil {
return err
}
if !conflictsFound {
return gui.handleCompleteMerge()
}
return nil
}
func (gui *Gui) catSelectedFile() (string, error) {
item := gui.getSelectedFile()
if item == nil {
@@ -203,21 +225,6 @@ func (gui *Gui) catSelectedFile() (string, error) {
return cat, nil
}
func (gui *Gui) scrollToConflict() error {
if gui.State.Panels.Merging.UserVerticalScrolling {
return nil
}
panelState := gui.State.Panels.Merging
if panelState.NoConflicts() {
return nil
}
gui.centerYPos(gui.Views.Main, panelState.GetConflictMiddle())
return nil
}
func (gui *Gui) centerYPos(view *gocui.View, y int) {
ox, _ := view.Origin()
_, height := view.Size()
@@ -238,18 +245,11 @@ func (gui *Gui) getMergingOptions() map[string]string {
}
func (gui *Gui) handleEscapeMerge() error {
gui.takeOverMergeConflictScrolling()
gui.State.Panels.Merging.Reset()
if err := gui.refreshSidePanels(refreshOptions{scope: []RefreshableView{FILES}}); err != nil {
return err
}
// it's possible this method won't be called from the merging view so we need to
// ensure we only 'return' focus if we already have it
if gui.g.CurrentView() == gui.Views.Main {
return gui.pushContext(gui.State.Contexts.Files)
}
return nil
return gui.escapeMerge()
}
func (gui *Gui) handleCompleteMerge() error {
@@ -259,16 +259,26 @@ func (gui *Gui) handleCompleteMerge() error {
if err := gui.refreshSidePanels(refreshOptions{scope: []RefreshableView{FILES}}); err != nil {
return err
}
// if we got conflicts after unstashing, we don't want to call any git
// commands to continue rebasing/merging here
if gui.Git.Status.WorkingTreeState() == enums.REBASE_MODE_NONE {
return gui.handleEscapeMerge()
}
// if there are no more files with merge conflicts, we should ask whether the user wants to continue
if !gui.anyFilesWithMergeConflicts() {
if gui.Git.Status.WorkingTreeState() != enums.REBASE_MODE_NONE && !gui.anyFilesWithMergeConflicts() {
return gui.promptToContinueRebase()
}
return gui.handleEscapeMerge()
return gui.escapeMerge()
}
func (gui *Gui) escapeMerge() error {
gui.takeOverMergeConflictScrolling()
gui.State.Panels.Merging.Reset()
// it's possible this method won't be called from the merging view so we need to
// ensure we only 'return' focus if we already have it
if gui.g.CurrentView() == gui.Views.Main {
return gui.pushContext(gui.State.Contexts.Files)
}
return nil
}
// promptToContinueRebase asks the user if they want to continue the rebase/merge that's in progress

1
pkg/i18n/chinese.go
View File

@@ -73,7 +73,6 @@ func chineseTranslationSet() TranslationSet {
PullWait: "拉取中……",
PushWait: "推送中……",
FetchWait: "正在抓取……",
FileNoMergeCons: "该文件没有合并冲突",
LcSoftReset: "软重置",
AlreadyCheckedOutBranch: "您已经检出了这个分支",
SureForceCheckout: "您确定要强制检出吗？您将丢失所有本地更改",

1
pkg/i18n/dutch.go
View File

@@ -44,7 +44,6 @@ func dutchTranslationSet() TranslationSet {
PullWait: "Pullen...",
PushWait: "Pushen...",
FetchWait: "Fetchen...",
FileNoMergeCons: "Dit bestand heeft geen merge conflicten",
LcSoftReset: "zacht reset",
AlreadyCheckedOutBranch: "Je hebt deze branch al uitgecheckt",
SureForceCheckout: "Weet je zeker dat je het uitchecken wil forceren? Al je lokale verandering zullen worden verwijdert",

2
pkg/i18n/english.go
View File

@@ -58,7 +58,6 @@ type TranslationSet struct {
PullWait string
PushWait string
FetchWait string
FileNoMergeCons string
LcSoftReset string
AlreadyCheckedOutBranch string
SureForceCheckout string
@@ -608,7 +607,6 @@ func EnglishTranslationSet() TranslationSet {
PullWait: "Pulling...",
PushWait: "Pushing...",
FetchWait: "Fetching...",
FileNoMergeCons: "This file has no inline merge conflicts",
LcSoftReset: "soft reset",
AlreadyCheckedOutBranch: "You have already checked out this branch",
SureForceCheckout: "Are you sure you want force checkout? You will lose all local changes",

1
pkg/i18n/polish.go
View File

@@ -39,7 +39,6 @@ func polishTranslationSet() TranslationSet {
PullWait: "Pobieranie zmian...",
PushWait: "Wysyłanie zmian...",
FetchWait: "Pobieram...",
FileNoMergeCons: "Brak konfliktów scalania w pliku",
AlreadyCheckedOutBranch: "Już przęłączono na tą gałąź",
SureForceCheckout: "Jesteś pewny, że chcesz wymusić przełączenie? Stracisz wszystkie lokalne zmiany",
ForceCheckoutBranch: "Wymuś przełączenie gałęzi",