# [--------------------DIRECTORIES--------------------] 
# SRC_DIR is the source directory
# OBJ_DIR is the object directory 
# INC_DIR is the header directory
SRC_DIR 	:= src
OBJ_DIR 	:= obj
INC_DIR 	:= inc

# [--------------------COMPILE & RUN--------------------] 
# CXX is the keyword to compile .cpp src files
# WFLAG is a flag to detect all the warnings
# OFLAG is the flag to rename the output of the compiler
# TARGET is the name of the output
# INCLUDE add to g++ path the custom include path 
CXX 		:= g++
WFLAGS 		:= -Wall
OFLAG 		:= -o
TARGET  	:= main
INCLUDE 	:= -I $(INC_DIR)


# [--------------------FUNCTION--------------------] 
# SRCS extract all file in src/
# FILES extract the name of the file
# OBJS concat obj/ + FILES + .o
SRCS 		:= $(shell find $(SRC_DIR) -name "*.cpp")  				
FILES		:= $(notdir $(basename $(SRCS)))						
OBJS 		:= $(addprefix $(OBJ_DIR)/,$(addsuffix .o,$(FILES)))	


#---------------------------------------------------
all: 
<<<<<<< HEAD
	
all: 
	

=======
#---------------------------------------------------
>>>>>>> b5b04b6 (implement my first regexp)
execute: linking
	@ echo execute...
	@ ./$(TARGET)
	@ echo ...terminate
#---------------------------------------------------
linking: $(OBJS)
	@ echo linking
	@ $(CXX) $(WFLAGS) $(OFLAG) $(TARGET) $(OBJS)
#---------------------------------------------------
$(OBJ_DIR)/%.o: $(SRC_DIR)/%.cpp $(OBJ_DIR)
	@ echo compile $<
	@ $(CXX) $(WFLAGS) -c $< $(OFLAG) $@ $(INCLUDE)
#---------------------------------------------------
$(OBJ_DIR):
	mkdir -p $(OBJ_DIR)
#---------------------------------------------------
clean: 
	@ rm -rf $(OBJ)	
#---------------------------------------------------


# random git command
# lista file
git_list:
	git ls-tree -r master --name-only

# push
git_push: 
	git push

# commint add message
_commit: git_commit git_push

git_commit:
	@ read -p "Enter git message: " msg; \
	git commit -am "$$msg"

# remove a file only on git, not local 
_remove: git_rm git_push 

git_rm:
	git rm --cached $(FILE)

git_reset: _dump _reset

_reset:
	git reset --hard HEAD^

# awk work with regexp
# the expression is $1 ~ /commit/ { print $2 }:
# $N 		-> nth word
# ~			-> when the operand coincide is true
# /word/:	-> the word appears
# translate: write only the second word 
# where appears "commit" in first field

_dump:
	@ git log | awk '$$1 ~ /commit/ { print $$2 }' > dump_git_tree.txt
			

# difference between local and git
git_diff:
	git diff