diff --git a/justfile b/justfile
index ec10d8a..1ed643a 100644
--- a/justfile
+++ b/justfile
@@ -1,19 +1,23 @@
 # use with https://github.com/casey/just
 
-# fixe auto-fixable lint issues in all files
+# fixe auto-fixable lint issues in staged files
 fix:
 	~/bin/pre-commit run go-returns  # fixes all Go lint issues
 	~/bin/pre-commit run prettier    # fixes all Markdown (& other) lint issues
 
-# lint most common issues in all files
+# lint most common issues in - or due - to staged files
 lint:
 	~/bin/pre-commit run go-vet-mod || true  # runs go vet
 	~/bin/pre-commit run go-lint    || true  # runs golint
 	~/bin/pre-commit run go-critic  || true  # runs gocritic
 
-# lint all issues in all files through meta linter
+# lint all issues in - or due - to staged files
 lint-all:
-	~/bin/pre-commit run golangci-lint-mod || true  # runs golangci-lint on the module level
+	~/bin/pre-commit run golangci-lint-mod || true  # runs golangci-lint
+
+# run tests in - or due - to staged files
+test:
+	~/bin/pre-commit run go-test-mod || true  # runs go test
 
 # commit skipping pre-commit hooks
 commit m:
@@ -23,9 +27,15 @@ commit m:
 amend:
 	git commit --amend --no-verify
 
-# install / update code automation tools (prettier, pre-commit, goreturns)
-setup:
+# install/update code automation (prettier, pre-commit, goreturns, lintpack, gocritic, golangci-lint)
+install:
 	npm i -g prettier
 	curl https://pre-commit.com/install-local.py | python3 -
-	~/bin/pre-commit install --install-hooks
 	go get github.com/sqs/goreturns
+	go get github.com/go-lintpack/lintpack/...
+	go get github.com/go-critic/go-critic/...
+	curl -sfL https://raw.githubusercontent.com/golangci/golangci-lint/master/install.sh| sh -s -- -b $(shell go env GOPATH)/bin v1.27.0
+
+# setup pre-commit hooks (optional)
+setup:
+	~/bin/pre-commit install --install-hooks