Integrate metrics from metrics.json into the report pdf.

report_generator/commands/generate.py

@@ -126,7 +126,8 @@ def _report(sources: ReportSources, path: Path | None, *, write_metrics: bool =
     Raises:
         PipelineError: The report cannot be built or the destination not written.
     """
-    name, content = render(sources)
+    metrics = build_metrics(sources)
+    name, content = render(sources, metrics)
     destination = _destination(path, name)
 
     try:
@@ -134,7 +135,7 @@ def _report(sources: ReportSources, path: Path | None, *, write_metrics: bool =
         destination.write_bytes(content)
         if write_metrics:
             (destination.parent / "metrics.json").write_text(
-                json.dumps(build_metrics(sources), indent=2), encoding="utf-8"
+                json.dumps(metrics, indent=2), encoding="utf-8"
             )
     except OSError as error:
         message = f"Cannot write the report to '{destination}': {error}"