linter: enable caching

Author: bitromortac

Makefile

@@ -28,7 +28,12 @@ ifneq ($(workers),)
 LINT_WORKERS = --concurrency=$(workers)
 endif
 
-DOCKER_TOOLS = docker run -v $$(pwd):/build lndclient-tools
+DOCKER_TOOLS = docker run \
+  --rm \
+  -v $(shell bash -c "$(GOCC) env GOCACHE || (mkdir -p /tmp/go-cache; echo /tmp/go-cache)"):/tmp/build/.cache \
+  -v $(shell bash -c "$(GOCC) env GOMODCACHE || (mkdir -p /tmp/go-modcache; echo /tmp/go-modcache)"):/tmp/build/.modcache \
+  -v $(shell bash -c "mkdir -p /tmp/go-lint-cache; echo /tmp/go-lint-cache"):/root/.cache/golangci-lint \
+  -v $$(pwd):/build lndclient-tools
 
 GREEN := "\\033[0;32m"
 NC := "\\033[0m"