# clarify multi-checkpoint resume output

`6532560`→[main](/content/gh/entireio/cli/commits/main/index.html)·

pfleidi·3w ago·2 files·+38 added/-3 removed

Say that multi-checkpoint resume selects the latest readable checkpoint.

This avoids implying every skipped checkpoint was older when metadata for some checkpoint IDs may be unavailable.

## Sessions

ac4b21ebff86View transcript

[?\
Implement Checkpoint Policy Management SystemCodex·GPT-5.5·1 step](/content/gh/entireio/cli/session/019ef111-70d5-7203-b653-e4834b8b92c0#timeline-ac4b21ebff86/index.html)

## Changes

2

- cmd/entire/cli

- Mresume.go+3/-3

- Mresume_test.go+35

```
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return checkRemoteMetadata(ctx, w, errW, result.checkpointIDs[0], stores.Refs())
	}
	skipped := len(result.checkpointIDs) - 1
	fmt.Fprintf(w, "Found %d checkpoints for commit %s, resuming from the latest (%d older checkpoints skipped)\n",
	fmt.Fprintf(w, "Found %d checkpoints for commit %s, resuming from the latest readable checkpoint (%d skipped)\n",
		len(result.checkpointIDs), result.commitHash[:7], skipped)
	checkpointID = latestMetadata.CheckpointID
	metadata = latestMetadata

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return resumeSession(ctx, w, errW, metadata, force)
}

// resolveLatestCheckpoint reads metadata for each checkpoint ID and returns
// the checkpoint with the latest CreatedAt.
// resolveLatestCheckpoint reads metadata for each checkpoint ID and returns the
// readable checkpoint with the latest CreatedAt.
func resolveLatestCheckpoint(ctx context.Context, store checkpointInfoReader, checkpointIDs []id.CheckpointID) (*strategy.CheckpointInfo, bool, error) {
	infoMap := make(map[id.CheckpointID]strategy.CheckpointInfo, len(checkpointIDs))
	for _, cpID := range checkpointIDs {
```

Mcmd/entire/cli/resume.go+3/-3

```
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}
}

func TestResumeFromCurrentBranch_MultipleCheckpointsSaysLatestReadable(t *testing.T) {
	tmpDir := t.TempDir()
	t.Chdir(tmpDir)
	t.Setenv("ENTIRE_TEST_CLAUDE_PROJECT_DIR", filepath.Join(tmpDir, "claude-projects"))

repo, w, _ := setupResumeTestRepo(t, tmpDir, false)
	oldID := id.MustCheckpointID("aaa111bbb222")
	newID := id.MustCheckpointID("ccc333ddd444")
	writeCommittedResumeCheckpoint(t, repo, oldID, "session-old", time.Date(2025, 1, 1, 10, 0, 0, 0, time.UTC))
	writeCommittedResumeCheckpoint(t, repo, newID, "session-new", time.Date(2025, 1, 1, 11, 0, 0, 0, time.UTC))

if err := os.WriteFile(filepath.Join(tmpDir, "squash.txt"), []byte("squash content"), 0o644); err != nil {
		t.Fatalf("write squash file: %v", err)
	}
	if _, err := w.Add("squash.txt"); err != nil {
		t.Fatalf("add squash file: %v", err)
	}
	commitMsg := fmt.Sprintf("Squash merge\n\nEntire-Checkpoint: %s\n\nEntire-Checkpoint: %s\n", oldID, newID)
	if _, err := w.Commit(commitMsg, &git.CommitOptions{
		Author: &object.Signature{Name: "Test User", Email: "test@example.com"},
	}); err != nil {
		t.Fatalf("commit squash merge: %v", err)
	}

var stdout, stderr bytes.Buffer
	if err := resumeFromCurrentBranch(context.Background(), &stdout, &stderr, "master", true); err != nil {
		t.Fatalf("resumeFromCurrentBranch() error = %v\nstdout: %s\nstderr: %s", err, stdout.String(), stderr.String())
	}

want := "resuming from the latest readable checkpoint"
	if !strings.Contains(stdout.String(), want) {
		t.Fatalf("stdout = %q, want substring %q", stdout.String(), want)
	}
}

// TestResumeSingleSession_RejectsPathTraversalSessionID is an end-to-end proof
// that a malicious session ID cannot cause an arbitrary file write during resume.