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Code Issues Releases Activity

add mutex to prevent crashes with merge conflicts

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This commit is contained in:
Jesse Duffield 2021-04-02 00:15:39 +11:00
parent efe43077bc
commit cc9293b386
4 changed files with 37 additions and 10 deletions
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2
pkg/gui/context.go
View File

@ -286,7 +286,7 @@ func (gui *Gui) contextTree() ContextTree {
},
Merging: SimpleContextNode{
Context: BasicContext{
OnFocus: gui.refreshMergePanel,
OnFocus: gui.refreshMergePanelWithLock,
Kind: MAIN_CONTEXT,
ViewName: "main",
Key: MAIN_MERGING_CONTEXT_KEY,

2
pkg/gui/files_panel.go
View File

@ -73,7 +73,7 @@ func (gui *Gui) selectFile(alreadySelected bool) error {
}
if node.File != nil && node.File.HasInlineMergeConflicts {
return gui.refreshMergePanel()
return gui.refreshMergePanelWithLock()
}
cmdStr := gui.GitCommand.WorktreeFileDiffCmdStr(node, false, !node.GetHasUnstagedChanges() && node.GetHasStagedChanges())

18
pkg/gui/gui.go
View File

@ -116,10 +116,11 @@ type lBlPanelState struct {
}
type mergingPanelState struct {
ConflictIndex int
ConflictTop bool
Conflicts []commands.Conflict
EditHistory *stack.Stack
ConflictIndex int
ConflictTop bool
Conflicts []commands.Conflict
ConflictsMutex sync.Mutex
EditHistory *stack.Stack
// UserScrolling tells us if the user has started scrolling through the file themselves
// in which case we won't auto-scroll to a conflict.
@ -367,10 +368,11 @@ func (gui *Gui) resetState() {
Menu: &menuPanelState{listPanelState: listPanelState{SelectedLineIdx: 0}, OnPress: nil},
Suggestions: &suggestionsPanelState{listPanelState: listPanelState{SelectedLineIdx: 0}},
Merging: &mergingPanelState{
ConflictIndex: 0,
ConflictTop: true,
Conflicts: []commands.Conflict{},
EditHistory: stack.New(),
ConflictIndex: 0,
ConflictTop: true,
Conflicts: []commands.Conflict{},
EditHistory: stack.New(),
ConflictsMutex: sync.Mutex{},
},
},
SideView: nil,

25
pkg/gui/merge_panel.go
View File

@ -79,18 +79,27 @@ func (gui *Gui) takeOverScrolling() {
}
func (gui *Gui) handleSelectTop(g *gocui.Gui, v *gocui.View) error {
gui.State.Panels.Merging.ConflictsMutex.Lock()
defer gui.State.Panels.Merging.ConflictsMutex.Unlock()
gui.takeOverScrolling()
gui.State.Panels.Merging.ConflictTop = true
return gui.refreshMergePanel()
}
func (gui *Gui) handleSelectBottom(g *gocui.Gui, v *gocui.View) error {
gui.State.Panels.Merging.ConflictsMutex.Lock()
defer gui.State.Panels.Merging.ConflictsMutex.Unlock()
gui.takeOverScrolling()
gui.State.Panels.Merging.ConflictTop = false
return gui.refreshMergePanel()
}
func (gui *Gui) handleSelectNextConflict(g *gocui.Gui, v *gocui.View) error {
gui.State.Panels.Merging.ConflictsMutex.Lock()
defer gui.State.Panels.Merging.ConflictsMutex.Unlock()
gui.takeOverScrolling()
if gui.State.Panels.Merging.ConflictIndex >= len(gui.State.Panels.Merging.Conflicts)-1 {
return nil
@ -100,6 +109,9 @@ func (gui *Gui) handleSelectNextConflict(g *gocui.Gui, v *gocui.View) error {
}
func (gui *Gui) handleSelectPrevConflict(g *gocui.Gui, v *gocui.View) error {
gui.State.Panels.Merging.ConflictsMutex.Lock()
defer gui.State.Panels.Merging.ConflictsMutex.Unlock()
gui.takeOverScrolling()
if gui.State.Panels.Merging.ConflictIndex <= 0 {
return nil
@ -172,6 +184,9 @@ func (gui *Gui) handlePopFileSnapshot(g *gocui.Gui, v *gocui.View) error {
}
func (gui *Gui) handlePickHunk(g *gocui.Gui, v *gocui.View) error {
gui.State.Panels.Merging.ConflictsMutex.Lock()
defer gui.State.Panels.Merging.ConflictsMutex.Unlock()
gui.takeOverScrolling()
conflict := gui.State.Panels.Merging.Conflicts[gui.State.Panels.Merging.ConflictIndex]
@ -198,6 +213,9 @@ func (gui *Gui) handlePickHunk(g *gocui.Gui, v *gocui.View) error {
}
func (gui *Gui) handlePickBothHunks(g *gocui.Gui, v *gocui.View) error {
gui.State.Panels.Merging.ConflictsMutex.Lock()
defer gui.State.Panels.Merging.ConflictsMutex.Unlock()
gui.takeOverScrolling()
conflict := gui.State.Panels.Merging.Conflicts[gui.State.Panels.Merging.ConflictIndex]
@ -211,6 +229,13 @@ func (gui *Gui) handlePickBothHunks(g *gocui.Gui, v *gocui.View) error {
return gui.refreshMergePanel()
}
func (gui *Gui) refreshMergePanelWithLock() error {
gui.State.Panels.Merging.ConflictsMutex.Lock()
defer gui.State.Panels.Merging.ConflictsMutex.Unlock()
return gui.refreshMergePanel()
}
func (gui *Gui) refreshMergePanel() error {
panelState := gui.State.Panels.Merging
cat, err := gui.catSelectedFile()