fix make process, co right submodules

- polish

Author: frrist

.gitmodules

@@ -1,6 +1,8 @@
 [submodule "pkg/pdp/smartcontracts/contracts/pdp"]
 	path = pkg/pdp/smartcontracts/contracts/pdp
 	url = https://github.com/FilOzone/pdp.git
+	ignore = dirty
 [submodule "pkg/pdp/smartcontracts/contracts/filecoin-services"]
 	path = pkg/pdp/smartcontracts/contracts/filecoin-services
 	url = https://github.com/FilOzone/filecoin-services.git
+	ignore = dirty

Makefile

@@ -4,23 +4,36 @@ DATE=$(shell date -u -Iseconds)
 GOFLAGS=-ldflags="-X github.com/storacha/piri/pkg/build.version=$(VERSION) -X github.com/storacha/piri/pkg/build.Commit=$(COMMIT) -X github.com/storacha/piri/pkg/build.Date=$(DATE) -X github.com/storacha/piri/pkg/build.BuiltBy=make"
 TAGS?=
 
-.PHONY: all build piri install test clean calibnet mockgen check-docs-links
+.PHONY: all build install test clean calibnet mockgen check-docs-links
 
 all: build
 
-build: piri
+# Git submodules
+build/.update-modules:
+	git submodule update --init --recursive
+	touch $@
 
-piri:
-	go build $(GOFLAGS) $(TAGS) -o ./piri github.com/storacha/piri/cmd
+build: build/.update-modules piri
+
+# piri depends on Go sources - use shell to check if rebuild needed
+piri: FORCE
+	@if [ ! -f piri ] || \
+	   [ -n "$$(find cmd pkg internal -name '*.go' -type f -newer piri 2>/dev/null)" ]; then \
+		echo "Building piri..."; \
+		go build $(GOFLAGS) $(TAGS) -o ./piri github.com/storacha/piri/cmd; \
+	fi
+
+FORCE:
 
 install:
 	go install ./cmd/storage
 
-test:
+test: build
 	go test ./...
 
 clean:
 	rm -f ./piri
+	rm -f build/.update-modules
 
 mockgen:
 	mockgen -source=./pkg/pdp/aggregator/interface.go -destination=./internal/mocks/aggregator.go -package=mocks