detached d2f9957

fix(remote): preserve picker tab identity

commit
d2f99579e7455bf069d172206ce8b3615045456d
author
brice · · 2026-07-31 21:07 UTC
parent
67576a2
signature
GPG VerifiedCD88F9E564E0102646FB6077A1A07C7C7C3E349D · arch-gpg Verified for the committer email
4 files · +44 -2
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M internal/usecase/daemon/attachment_transition.go +3 -0
@@ -14,6 +14,9 @@ type attachmentLifecycleFence struct {
1414 checkCreatedAt bool
1515 incarnation domain.IncarnationID
1616 checkIncarnation bool
17+ tabID domain.TabStableID
18+ tabIndex int
19+ checkTab bool
1720 }
1821
1922 type attachmentTransitionRequest struct {
@@ -14,6 +14,9 @@ type attachmentLifecycleFence struct {
14 checkCreatedAt bool14 checkCreatedAt bool
15 incarnation domain.IncarnationID15 incarnation domain.IncarnationID
16 checkIncarnation bool16 checkIncarnation bool
17+ tabID domain.TabStableID
18+ tabIndex int
19+ checkTab bool
17 }20 }
18 21
19 type attachmentTransitionRequest struct {22 type attachmentTransitionRequest struct {
M internal/usecase/daemon/attachment_transition_publish.go +7 -1
@@ -1,5 +1,7 @@
11 package daemon
22
3+import "github.com/bnema/vev/internal/domain"
4+
35 // transitionSourcePreflightLocked validates an initiating role while its gate
46 // is frozen and d.mu is held. No caller may create or delete a target before
57 // this succeeds.
@@ -105,7 +107,11 @@ func attachmentLifecycleCurrentLocked(entry attachmentSession, fence *attachment
105107 if fence.checkCreatedAt && (target.name != fence.name || target.createdAt != fence.createdAt) {
106108 return false
107109 }
108- return !fence.checkIncarnation || target.incarnation == fence.incarnation
110+ if fence.checkIncarnation && target.incarnation != fence.incarnation {
111+ return false
112+ }
113+ return !fence.checkTab || fence.tabIndex >= 0 && fence.tabIndex < len(target.tabs) &&
114+ domain.TabStableID(target.tabs[fence.tabIndex].stableID) == fence.tabID
109115 }
110116
111117 // validateAttachmentTransitionPrelocked performs every fallible transition
@@ -1,5 +1,7 @@
1 package daemon1 package daemon
2 2
3+import "github.com/bnema/vev/internal/domain"
4+
3 // transitionSourcePreflightLocked validates an initiating role while its gate5 // transitionSourcePreflightLocked validates an initiating role while its gate
4 // is frozen and d.mu is held. No caller may create or delete a target before6 // is frozen and d.mu is held. No caller may create or delete a target before
5 // this succeeds.7 // this succeeds.
@@ -105,7 +107,11 @@ func attachmentLifecycleCurrentLocked(entry attachmentSession, fence *attachment
105 if fence.checkCreatedAt && (target.name != fence.name || target.createdAt != fence.createdAt) {107 if fence.checkCreatedAt && (target.name != fence.name || target.createdAt != fence.createdAt) {
106 return false108 return false
107 }109 }
108- return !fence.checkIncarnation || target.incarnation == fence.incarnation110+ if fence.checkIncarnation && target.incarnation != fence.incarnation {
111+ return false
112+ }
113+ return !fence.checkTab || fence.tabIndex >= 0 && fence.tabIndex < len(target.tabs) &&
114+ domain.TabStableID(target.tabs[fence.tabIndex].stableID) == fence.tabID
109 }115 }
110 116
111 // validateAttachmentTransitionPrelocked performs every fallible transition117 // validateAttachmentTransitionPrelocked performs every fallible transition
M internal/usecase/daemon/picker.go +6 -1
@@ -592,7 +592,12 @@ func pickerTargetLifecycleFence(target picker.Target) *attachmentLifecycleFence
592592 fence.incarnation = target.Incarnation
593593 fence.checkIncarnation = true
594594 }
595- if !fence.checkCreatedAt && !fence.checkIncarnation {
595+ if target.TabID != "" {
596+ fence.tabID = target.TabID
597+ fence.tabIndex = target.TabIndex
598+ fence.checkTab = true
599+ }
600+ if !fence.checkCreatedAt && !fence.checkIncarnation && !fence.checkTab {
596601 return nil
597602 }
598603 return fence
@@ -592,7 +592,12 @@ func pickerTargetLifecycleFence(target picker.Target) *attachmentLifecycleFence
592 fence.incarnation = target.Incarnation592 fence.incarnation = target.Incarnation
593 fence.checkIncarnation = true593 fence.checkIncarnation = true
594 }594 }
595- if !fence.checkCreatedAt && !fence.checkIncarnation {595+ if target.TabID != "" {
596+ fence.tabID = target.TabID
597+ fence.tabIndex = target.TabIndex
598+ fence.checkTab = true
599+ }
600+ if !fence.checkCreatedAt && !fence.checkIncarnation && !fence.checkTab {
596 return nil601 return nil
597 }602 }
598 return fence603 return fence
M internal/usecase/daemon/proxy_input_test.go +28 -0
@@ -734,6 +734,34 @@ func TestRemotePickerRejectsReplacedLocalLifecycle(t *testing.T) {
734734 require.Same(t, proxy, ac.currentAttachmentSession(), "stale picker lifecycle must not redirect the attachment")
735735 }
736736
737+func TestRemotePickerRejectsReplacedLocalTab(t *testing.T) {
738+ d, proxy, ac, _, handler := newProxyInputHarness(t)
739+ first := newTab(newQuietPTY(), domain.Size{Cols: 80, Rows: 22})
740+ first.stableID = "first"
741+ second := newTab(newQuietPTY(), domain.Size{Cols: 80, Rows: 22})
742+ second.stableID = "second"
743+ local := &session{sessionCore: sessionCore{id: "local", name: "local"}, tabs: []*tab{first, second}}
744+ publishTiledPaneOwners(local, first)
745+ publishTiledPaneOwners(local, second)
746+ d.mu.Lock()
747+ require.True(t, d.registerSessionLocked(local))
748+ d.mu.Unlock()
749+
750+ model := d.newPickerModel(proxy, pickerNavigate, moveSourceLocator{}, picker.SourceFilter{Session: local.id, TabID: domain.TabStableID(second.stableID)})
751+ target, selectable := model.Selected()
752+ require.True(t, selectable)
753+ require.Equal(t, domain.TabStableID(second.stableID), target.TabID)
754+ d.afterRoleEffectsFrozen = func() {
755+ d.afterRoleEffectsFrozen = nil
756+ local.mu.Lock()
757+ local.tabs[0], local.tabs[1] = local.tabs[1], local.tabs[0]
758+ local.mu.Unlock()
759+ }
760+
761+ require.Error(t, d.switchToTargetForRole(handler.roleToken, target, sessionHandoffGuard{}, "picker-select"))
762+ require.Same(t, proxy, ac.currentAttachmentSession(), "stale picker tab must not redirect the attachment")
763+}
764+
737765 func TestRemotePickerCanReselectWarmProxyAfterReturningLocal(t *testing.T) {
738766 d, local, ac, _ := newManualSessionWithPTYs(t, newQuietPTY())
739767 d.attachCoordinator(local, nil, ac, true)
@@ -734,6 +734,34 @@ func TestRemotePickerRejectsReplacedLocalLifecycle(t *testing.T) {
734 require.Same(t, proxy, ac.currentAttachmentSession(), "stale picker lifecycle must not redirect the attachment")734 require.Same(t, proxy, ac.currentAttachmentSession(), "stale picker lifecycle must not redirect the attachment")
735 }735 }
736 736
737+func TestRemotePickerRejectsReplacedLocalTab(t *testing.T) {
738+ d, proxy, ac, _, handler := newProxyInputHarness(t)
739+ first := newTab(newQuietPTY(), domain.Size{Cols: 80, Rows: 22})
740+ first.stableID = "first"
741+ second := newTab(newQuietPTY(), domain.Size{Cols: 80, Rows: 22})
742+ second.stableID = "second"
743+ local := &session{sessionCore: sessionCore{id: "local", name: "local"}, tabs: []*tab{first, second}}
744+ publishTiledPaneOwners(local, first)
745+ publishTiledPaneOwners(local, second)
746+ d.mu.Lock()
747+ require.True(t, d.registerSessionLocked(local))
748+ d.mu.Unlock()
749+
750+ model := d.newPickerModel(proxy, pickerNavigate, moveSourceLocator{}, picker.SourceFilter{Session: local.id, TabID: domain.TabStableID(second.stableID)})
751+ target, selectable := model.Selected()
752+ require.True(t, selectable)
753+ require.Equal(t, domain.TabStableID(second.stableID), target.TabID)
754+ d.afterRoleEffectsFrozen = func() {
755+ d.afterRoleEffectsFrozen = nil
756+ local.mu.Lock()
757+ local.tabs[0], local.tabs[1] = local.tabs[1], local.tabs[0]
758+ local.mu.Unlock()
759+ }
760+
761+ require.Error(t, d.switchToTargetForRole(handler.roleToken, target, sessionHandoffGuard{}, "picker-select"))
762+ require.Same(t, proxy, ac.currentAttachmentSession(), "stale picker tab must not redirect the attachment")
763+}
764+
737 func TestRemotePickerCanReselectWarmProxyAfterReturningLocal(t *testing.T) {765 func TestRemotePickerCanReselectWarmProxyAfterReturningLocal(t *testing.T) {
738 d, local, ac, _ := newManualSessionWithPTYs(t, newQuietPTY())766 d, local, ac, _ := newManualSessionWithPTYs(t, newQuietPTY())
739 d.attachCoordinator(local, nil, ac, true)767 d.attachCoordinator(local, nil, ac, true)

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