Making Makefiles

Makefiles are pretty if you learned to appreciate their beauty.

Transcript

1. Alex Tercete @alextercete $ make Makefile
4. run.sh #!/bin/sh docker build -t my_image . docker run -w /app -v $(pwd):/app my_image
6. run.ps1 docker build -t my_image . docker run -w /app -v $PWD:/app my_image
8. Makefile build: docker build -t my_image . run: build docker run -w /app -v $(realpath .):/app my_image
9. Make is pretty
10. Make is pretty old
12. Make is pretty popular
14. Make is pretty scary
16. Make is pretty weird
17. Makefile print_variable: my_variable='blah' echo $my_variable
18. Makefile print_variable: my_variable='blah' echo $my_variable
19. Makefile print_variable: @ my_variable='blah'; \ echo $$my_variable
20. Make is pretty cross-platform
21. Makefile VALUE = default print_value: @ echo Value is $(VALUE)
22. Makefile list_all: @ ls -la
23. Makefile list_all: @ ls -la
24. Makefile LS = docker run \ --rm -w /app -v "$(realpath .):/app" bash:5 \ ls list_all: @ $(LS) -la
25. Makefile ifeq ($(OS), Windows_NT) HOME = $(USERPROFILE) endif home: @ echo There is no place like $(HOME)
26. Make is pretty powerful
27. Makefile VALUE ?= default print_value: @ echo Value is $(VALUE)
28. Makefile release: require_version @ echo "Starting $(VERSION) release..." require_version: ifndef VERSION $(error You must specify a VERSION variable) endif
29. Makefile REMOTE_URL = $(shell git remote get-url origin) ifeq ($(subst git@,,$(REMOTE_URL)), $(REMOTE_URL)) REMOTE_PROTOCOL = HTTPS else REMOTE_PROTOCOL = SSH endif print_remote_protocol: @ echo $(REMOTE_PROTOCOL)
30. Make is pretty
31. $ xcode-select --install $ sudo apt install build-essential > choco install make
33. Alex Tercete @alextercete Thanks!