implement my first regexp

Makefile

@@ -28,30 +28,35 @@ 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
@@ -75,7 +80,23 @@ _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: