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Wait for the agent's turn instead of dropping a held merge

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This commit is contained in:
Ian Gulliver
2026-10-21 11:03:25 -07:00
parent 39fe50eff2
commit 4ba742aee0
4 changed files with 129 additions and 120 deletions
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internal/agents/mergein.go
+38 -58
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@@ -161,20 +161,12 @@ func (m *Manager) beginMergeTurn(ctx context.Context, task api.Task, project api
if err != nil {
return err
}
prompt := mergeInPrompt(project.DefaultBranch) + fmt.Sprintf(" When this turn ends, byre squashes this branch onto %s and pushes it; if you stop, call stop_merge first so it doesn't. ", project.DefaultBranch) + summaryRequest
go m.launchMerge(sess, task, project, prompt)
go m.launchMerge(sess, task, project, mergeTurnPrompt(project))
return nil
}
func (m *Manager) advanceMergeClaim(taskID string) {
login, err := m.store.TakeIdleMergeClaim(context.Background(), taskID)
if err != nil {
slog.Error("take idle merge claim", "task", taskID, "err", err)
return
}
if login != "" {
m.startClaimedMerge(taskID, login)
}
func mergeTurnPrompt(project api.Project) string {
return mergeInPrompt(project.DefaultBranch) + fmt.Sprintf(" When this turn ends, byre squashes this branch onto %s and pushes it; if you stop, call stop_merge first so it doesn't. ", project.DefaultBranch) + summaryRequest
}
func (m *Manager) advanceMergeClaims(ctx context.Context) {
@@ -188,11 +180,10 @@ func (m *Manager) advanceMergeClaims(ctx context.Context) {
}
}
func (m *Manager) startClaimedMerge(taskID, login string) {
func (m *Manager) advanceMergeClaim(taskID string) {
ctx := context.Background()
err := m.beginClaimedMerge(ctx, taskID, login)
err := m.beginClaimedMerge(ctx, taskID)
if err == nil {
slog.Info("started claimed merge", "task", taskID, "by", login)
return
}
slog.Error("start claimed merge", "task", taskID, "err", err)
@@ -210,7 +201,11 @@ func (m *Manager) startClaimedMerge(taskID, login string) {
m.fileTaskError(ctx, task, sessions, "Starting the held merge failed: "+err.Error())
}
func (m *Manager) beginClaimedMerge(ctx context.Context, taskID, login string) error {
func (m *Manager) beginClaimedMerge(ctx context.Context, taskID string) error {
login, err := m.store.MergeClaim(ctx, taskID)
if err != nil || login == "" {
return err
}
task, err := m.store.GetTask(ctx, taskID)
if err != nil {
return err
@@ -223,21 +218,35 @@ func (m *Manager) beginClaimedMerge(ctx context.Context, taskID, login string) e
if err != nil {
return err
}
return m.beginMergeTurn(ctx, task, project, user)
if user.GitName == "" || user.GitEmail == "" {
return ErrNoGitIdentity
}
sess, err := m.leadSession(ctx, task, user)
if err != nil {
return err
}
reserved, err := m.store.ReserveMergeTurn(ctx, task.Id, sess.Id)
if err != nil || !reserved {
return err
}
slog.Info("started claimed merge", "task", taskID, "by", login)
go m.launchMerge(sess, task, project, mergeTurnPrompt(project))
return nil
}
func (m *Manager) leadSession(ctx context.Context, task api.Task, user api.User) (api.AgentSession, error) {
sess, found, err := m.liveSession(ctx, task.Id)
if err != nil || found {
return sess, err
}
return m.newSession(ctx, task, user, sess.Member, "")
}
func (m *Manager) mergeSession(ctx context.Context, task api.Task, user api.User) (api.AgentSession, error) {
sess, found, err := m.liveSession(ctx, task.Id)
sess, err := m.leadSession(ctx, task, user)
if err != nil {
return api.AgentSession{}, err
}
if !found {
sess, err = m.newSession(ctx, task, user, sess.Member, "")
if err != nil {
return api.AgentSession{}, err
}
}
err = transition(ctx, m.store, sess.Id, api.AgentSessionStateIdle, api.AgentSessionStateRunning, "byre")
return sess, err
}
@@ -427,7 +436,7 @@ func (m *Manager) startNextMerge(pm *projectMerge, projectID string) {
}
for _, task := range held {
login, claimed, err := m.store.ClaimQueuedMerge(ctx, task.Id)
login, err := m.store.ClaimQueuedMerge(ctx, task.Id)
if err != nil {
slog.Error("take held merge", "task", task.Id, "err", err)
continue
@@ -435,42 +444,13 @@ func (m *Manager) startNextMerge(pm *projectMerge, projectID string) {
if login == "" {
continue
}
if claimed {
pm.holder = task.Id
slog.Info("claimed held merge until the agent's turn ends", "task", task.Id, "by", login)
return
}
err = m.startHeldMerge(ctx, pm, task, login)
if err == nil {
slog.Info("started held merge", "task", task.Id, "by", login)
return
}
slog.Error("start held merge", "task", task.Id, "err", err)
sessions, serr := m.store.ListSessions(ctx, task.Id)
if serr != nil {
slog.Error("list sessions for held merge", "task", task.Id, "err", serr)
continue
}
m.fileTaskError(ctx, task, sessions, "Starting the held merge failed: "+err.Error())
pm.holder = task.Id
slog.Info("claimed held merge", "task", task.Id, "by", login)
go m.advanceMergeClaim(task.Id)
return
}
}
func (m *Manager) startHeldMerge(ctx context.Context, pm *projectMerge, task api.Task, login string) error {
project, err := m.store.GetProject(ctx, task.ProjectId)
if err != nil {
return err
}
user, err := m.store.GetUser(ctx, login)
if err != nil {
return err
}
if user.GitName == "" || user.GitEmail == "" {
return ErrNoGitIdentity
}
return m.startMerge(ctx, pm, task, project, user)
}
func (m *Manager) fileTaskError(ctx context.Context, task api.Task, sessions []api.AgentSession, msg string) {
if len(sessions) == 0 {
slog.Error("no session to file task error on", "task", task.Id, "error", msg)