diff --git a/.gitattributes b/.gitattributes
index 2377930..67e2d68 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -3,6 +3,7 @@
 .travis.yml     export-ignore
 
 /.github/       export-ignore
+/githooks/      export-ignore
 
 Makefile        export-ignore
 *.md            export-ignore
diff --git a/.travis.yml b/.travis.yml
index d569b2b..0cf580e 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -18,8 +18,6 @@ go:
   - 1.13.x
   - 1.14.x
 
-go_import_path: github.com/kamilsk/tracer
-
 jobs:
   allow_failures:
     - go: master
diff --git a/Makefile b/Makefile
index 893150a..f2ed051 100644
--- a/Makefile
+++ b/Makefile
@@ -1,17 +1,22 @@
 # sourced by https://github.com/octomation/makefiles
 
 .DEFAULT_GOAL = test-with-coverage
+GIT_HOOKS     = post-merge pre-commit
+GO_VERSIONS   = 1.11 1.12 1.13 1.14
 
-SHELL = /bin/bash -euo pipefail
+SHELL := /bin/bash -euo pipefail # `explain set -euo pipefail`
+
+OS   = $(shell uname -s | tr '[:upper:]' '[:lower:]')
+ARCH = $(shell uname -m | tr '[:upper:]' '[:lower:]')
 
 GO111MODULE = on
 GOFLAGS     = -mod=vendor
 GOPRIVATE   = go.octolab.net
 GOPROXY     = direct
 LOCAL       = $(MODULE)
-MODULE      = `go list -m`
-PACKAGES    = `go list ./... 2> /dev/null`
-PATHS       = $(shell echo $(PACKAGES) | sed -e "s|$(MODULE)/\{0,1\}||g")
+MODULE      = `GO111MODULE=on go list -m $(GOFLAGS)`
+PACKAGES    = `GO111MODULE=on go list $(GOFLAGS) ./...`
+PATHS       = $(shell echo $(PACKAGES) | sed -e "s|$(MODULE)/||g" | sed -e "s|$(MODULE)|$(PWD)/*.go|g")
 TIMEOUT     = 1s
 
 ifeq (, $(PACKAGES))
@@ -51,19 +56,19 @@ deps-check:
 deps-clean:
 	@go clean -modcache
 
-.PHONY: deps-shake
-deps-shake:
-	@go mod tidy
+.PHONY: deps-fetch
+deps-fetch:
+	@go mod download
 	@if [[ "`go env GOFLAGS`" =~ -mod=vendor ]]; then go mod vendor; fi
 
-.PHONY: module-deps
-module-deps:
-	@go mod download
+.PHONY: deps-tidy
+deps-tidy:
+	@go mod tidy
 	@if [[ "`go env GOFLAGS`" =~ -mod=vendor ]]; then go mod vendor; fi
 
-.PHONY: update
-update: selector = '{{if not (or .Main .Indirect)}}{{.Path}}{{end}}'
-update:
+.PHONY: deps-update
+deps-update: selector = '{{if not (or .Main .Indirect)}}{{.Path}}{{end}}'
+deps-update:
 	@if command -v egg > /dev/null; then \
 		packages="`egg deps list`"; \
 	else \
@@ -76,8 +81,8 @@ update:
 	fi; \
 	if [[ "`go env GOFLAGS`" =~ -mod=vendor ]]; then go mod vendor; fi
 
-.PHONY: update-all
-update-all:
+.PHONY: deps-update-all
+deps-update-all:
 	@if [[ "`go version`" == *1.1[1-3]* ]]; then \
 		go get -d -mod= -u ./...; \
 	else \
@@ -85,8 +90,8 @@ update-all:
 	fi; \
 	if [[ "`go env GOFLAGS`" =~ -mod=vendor ]]; then go mod vendor; fi
 
-.PHONY: format
-format:
+.PHONY: go-fmt
+go-fmt:
 	@if command -v goimports > /dev/null; then \
 		goimports -local $(LOCAL) -ungroup -w $(PATHS); \
 	else \
@@ -121,10 +126,17 @@ test-with-coverage:
 test-with-coverage-profile:
 	@go test -cover -covermode count -coverprofile c.out -timeout $(TIMEOUT) $(PACKAGES)
 
+.PHONY: hooks
+hooks:
+	@ls .git/hooks | grep -v .sample | sed 's|.*|.git/hooks/&|' | xargs rm -f || true
+	@for hook in $(GIT_HOOKS); do cp githooks/$$hook .git/hooks/; done
+
+ifdef GO_VERSIONS
+
 define go_tpl
 .PHONY: go$(1)
 go$(1):
-	docker run \
+	@docker run \
 		--rm -it \
 		-v $(PWD):/src \
 		-w /src \
@@ -132,20 +144,31 @@ go$(1):
 endef
 
 render_go_tpl = $(eval $(call go_tpl,$(version)))
-$(foreach version,1.11 1.12 1.13 1.14,$(render_go_tpl))
+$(foreach version,$(GO_VERSIONS),$(render_go_tpl))
+
+endif
+
 
+.PHONY: init
+init: deps test lint hooks
 
 .PHONY: clean
 clean: deps-clean test-clean
 
 .PHONY: deps
-deps: module-deps
+deps: deps-fetch
 
 .PHONY: env
 env: go-env
 
+.PHONY: format
+format: go-fmt
+
 .PHONY: generate
 generate: go-generate format
 
 .PHONY: refresh
-refresh: deps-shake update deps generate format test
+refresh: deps-tidy update deps generate format test
+
+.PHONY: update
+update: deps-update
diff --git a/README.md b/README.md
index 9a928b3..781f762 100644
--- a/README.md
+++ b/README.md
@@ -21,7 +21,7 @@ func Do(ctx context.Context) {
 }
 ```
 
-Full description of the idea is available [here][design].
+A full description of the idea is available [here][design.page].
 
 ## 🏆 Motivation
 
@@ -118,8 +118,8 @@ made with ❤️ for everyone
 
 [awesome.page]:     https://github.com/avelino/awesome-go#performance
 [awesome.icon]:     https://cdn.rawgit.com/sindresorhus/awesome/d7305f38d29fed78fa85652e3a63e154dd8e8829/media/badge.svg
-[build.page]:       https://travis-ci.org/kamilsk/tracer
-[build.icon]:       https://travis-ci.org/kamilsk/tracer.svg?branch=master
+[build.page]:       https://travis-ci.com/kamilsk/tracer
+[build.icon]:       https://travis-ci.com/kamilsk/tracer.svg?branch=master
 [coverage.page]:    https://codeclimate.com/github/kamilsk/tracer/test_coverage
 [coverage.icon]:    https://api.codeclimate.com/v1/badges/fb66449d1f5c64542377/test_coverage
 [design.page]:      https://www.notion.so/octolab/tracer-098c6f9fe97b41dcac4a30074463dc8f?r=0b753cbf767346f5a6fd51194829a2f3
@@ -130,6 +130,3 @@ made with ❤️ for everyone
 [quality.icon]:     https://goreportcard.com/badge/github.com/kamilsk/tracer
 [template.page]:    https://github.com/octomation/go-module
 [template.icon]:    https://img.shields.io/badge/template-go--module-blue
-
-[tmp.docs]:         https://nicedoc.io/kamilsk/tracer?theme=dark
-[tmp.history]:      https://github.githistory.xyz/kamilsk/tracer/blob/master/README.md
diff --git a/githooks/post-merge b/githooks/post-merge
new file mode 100755
index 0000000..4287e9c
--- /dev/null
+++ b/githooks/post-merge
@@ -0,0 +1,5 @@
+#!/usr/bin/env bash
+
+set -euo pipefail
+
+make deps hooks
diff --git a/githooks/pre-commit b/githooks/pre-commit
new file mode 100755
index 0000000..a573893
--- /dev/null
+++ b/githooks/pre-commit
@@ -0,0 +1,6 @@
+#!/usr/bin/env bash
+
+set -euo pipefail
+
+make deps-tidy deps-fetch lint format
+git diff --quiet --exit-code
diff --git a/githooks/pre-push b/githooks/pre-push
new file mode 100755
index 0000000..8f23c55
--- /dev/null
+++ b/githooks/pre-push
@@ -0,0 +1,6 @@
+#!/usr/bin/env bash
+
+set -euo pipefail
+
+make generate
+git diff --quiet --exit-code