Error handling by OS

Author: pythoninthegrass

Makefile

@@ -1,35 +1,133 @@
 .DEFAULT_GOAL	:= help
-SHELL 			:= $(shell which bash)
-UNAME 			:= $(shell uname -s)
+.ONESHELL:
+export SHELL 	:= $(shell which sh)
+# .SHELLFLAGS 	:= -eu -o pipefail -c
+# MAKEFLAGS 		+= --warn-undefined-variables
 
+# ENV VARS
+export UNAME 	:= $(shell uname -s)
+
+ifeq ($(UNAME), Darwin)
+	export XCODE := $(shell xcode-select --install >/dev/null 2>&1; echo $$?)
+endif
+
+ifeq ($(UNAME), Darwin)
+	export HOMEBREW_NO_INSTALLED_DEPENDENTS_CHECK := 1
+endif
+
+ifeq ($(shell command -v brew >/dev/null 2>&1; echo $$?), 0)
+	export BREW := $(shell which brew)
+endif
+
+ifeq ($(shell command -v python >/dev/null 2>&1; echo $$?), 0)
+	export PYTHON := $(shell which python3)
+endif
+
+ifeq ($(shell command -v pip >/dev/null 2>&1; echo $$?), 0)
+	export PIP := $(shell which pip3)
+endif
+
+ifneq (,$(wildcard /etc/os-release))
+	include /etc/os-release
+endif
+
+# colors
 GREEN  := $(shell tput -Txterm setaf 2)
 YELLOW := $(shell tput -Txterm setaf 3)
 WHITE  := $(shell tput -Txterm setaf 7)
 CYAN   := $(shell tput -Txterm setaf 6)
 RESET  := $(shell tput -Txterm sgr0)
 
+# targets
 .PHONY: all
+all: ansible sanity-check git help homebrew just install xcode
 
-all: check help homebrew just install xcode
+# TODO: QA Linux (Debian/Ubuntu)
+# * cf. `distrobox create --name i-use-arch-btw --image archlinux:latest && distrobox enter i-use-arch-btw`
+# * || `distrobox create --name debby --image debian:stable && distrobox enter debby`
 
-check:  ## verify running on macOS
-	@echo "Verifying macOS..."
-	$(shell [[ "${UNAME}" != "Darwin" ]] && echo "Not running on macOS"; exit 1)
-	@echo "Success!"
+sanity-check:  ## output environment variables
+	@echo "Checking environment..."
+	@echo "UNAME: ${UNAME}"
+	@echo "SHELL: ${SHELL}"
+	@echo "ID: ${ID}"
+	@echo "XCODE: ${XCODE}"
+	@echo "BREW: ${BREW}"
+	@echo "HOMEBREW_NO_INSTALLED_DEPENDENTS_CHECK: ${HOMEBREW_NO_INSTALLED_DEPENDENTS_CHECK}"
+	@echo "PYTHON: ${PYTHON}"
+	@echo "PIP: ${PIP}"
 
-xcode:  check ## install xcode command line tools
+xcode: ## install xcode command line tools
 	@echo "Installing Xcode command line tools..."
-	$(shell xcode-select --install)
+	if [ "${UNAME}" == "Darwin" ] && [ "${XCODE}" -ne 1 ]; then \
+		xcode-select --install; \
+	fi
 
-homebrew:  check ## install homebrew
+homebrew: ## install homebrew
 	@echo "Installing Homebrew..."
-	$(shell /bin/bash -c "$$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/HEAD/install.sh)")
+	if [ "${UNAME}" == "Darwin" ] && [ -z "${BREW}" ]; then \
+		/bin/bash -c "$$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/HEAD/install.sh)"; \
+	fi
+
+git: ## install git
+	@echo "Installing Git..."
+	if [ "${UNAME}" == "Darwin" ] && [ "$(command -v brew >/dev/null 2>&1; echo $?)" -eq 0 ]; then \
+		brew install git; \
+	elif [ "${ID}" == "ubuntu" ]; then \
+		sudo apt install -y git; \
+	elif [ "${ID}" == "fedora" ]; then \
+		sudo dnf install -y git; \
+	elif [ "${ID}" == "arch" ]; then \
+		yes | sudo pacman -S git; \
+	fi
+
+python: ## install python
+	@echo "Installing Python..."
+	if [ "${UNAME}" == "Darwin" ] && [ -z "${PYTHON}" ]; then \
+		brew install python; \
+	elif [ "${ID}" == "ubuntu" ]; then \
+		sudo apt install -y python3; \
+	elif [ "${ID}" == "fedora" ]; then \
+		sudo dnf install -y python3; \
+	elif [ "${ID}" == "arch" ]; then \
+		yes | sudo pacman -S python; \
+	fi
+
+pip: python ## install pip
+	@echo "Installing Pip..."
+	if [ "${UNAME}" == "Darwin" ] && [ -z "${PYTHON})" ]; then \
+		brew install python; \
+	elif [ "${ID}" == "ubuntu" ] && [ -z "${PIP}" ]; then \
+		sudo apt install -y python3-pip; \
+	elif [ "${ID}" == "fedora" ] && [ -z "${PIP}" ]; then \
+		sudo dnf install -y python3-pip; \
+	elif [ "${ID}" == "arch" ] && [ -z "${PIP}" ]; then \
+		yes | sudo pacman -S python-pip; \
+	fi \
+
+ansible: pip ## install ansible
+	@echo "Installing Ansible..."
+	if [ "${UNAME}" == "Darwin" ]; then \
+		brew install ansible ansible-lint; \
+	else \
+		python3 -m pip install ansible ansible-lint; \
+		sudo touch /var/log/ansible.log; \
+		sudo chmod 666 /var/log/ansible.log; \
+	fi
 
-just:  check ## install justfile
+just: ## install justfile
 	@echo "Installing Justfile..."
-	$(shell brew install just)
+	if [ "${UNAME}" == "Darwin" ]; then \
+		brew install just; \
+	elif [ "${ID}" == "ubuntu" ]; then \
+		sudo apt install -y just; \
+	elif [ "${ID}" == "fedora" ]; then \
+		sudo dnf install -y just; \
+	elif [ "${ID}" == "arch" ]; then \
+		yes | sudo pacman -S just; \
+	fi
 
-install: xcode homebrew just  ## install all dependencies
+install: sanity-check xcode homebrew git python pip ansible just  ## install all dependencies
 
 help: ## Show this help.
 	@echo ''