Description: Use go generate to regenerate metrics.pb.go from .proto source
 Use go generate to avoid depending on special make rules in
 debian/rules; this allows the CI pipeline in salsa to test the package
 properly.
Forwarded: not-needed
--- /dev/null
+++ b/go/generate.go
@@ -0,0 +1,3 @@
+package io_prometheus_client
+
+//go:generate protoc --proto_path=../io/prometheus/client --go_out=paths=source_relative:. metrics.proto