chore(packaging): add a dist Makefile target

Makes it easier to test packaging.

Author: agateau-gg

CONTRIBUTING.md

@@ -77,3 +77,10 @@ What we have done for now to improve performance:
 
 Using go-git resulted in in-memory cloning (stream to memory and then to directory).
 This caused too high peaks of memory unsuitable for small VMs.
+
+## Packaging
+
+Packaging is done using [GoReleaser](https://goreleaser.com/) and
+[nFPM](https://nfpm.goreleaser.com/).
+
+You can test packaging using `make dist`.

Makefile

@@ -34,5 +34,10 @@ test:
 .PHONY: build
 build: $(BIN)
 
+# Use this target to test packaging
+.PHONY: dist
+dist:
+	goreleaser release --skip-publish --skip-validate --rm-dist
+
 $(BIN): $(SOURCES)
 	$(GO) build $(GOFLAGS) -ldflags '-s -w $(LDFLAGS)' $(EXTRA_GOFLAGS) -o $@ ./cmd/$(BIN)