Add a top-level Makefile

So we have single entry points to install/check everything

CONTRIBUTING.md

@@ -68,12 +68,17 @@ the extension)  with `_cdb_`.
 Running just the Python tests:
 
 ```
-(cd python/crankdown && nosetests test)
+(cd python && make test)
 ```
 
-Installing the Extension & Python package and running
-the Python & PostgreSQL tests:
+Installing the Extension and running just the PostgreSQL tests:
 
 ```
 (cd pg && sudo make install && PGUSER=postgres make installcheck)
 ```
+
+Installing and testing everything:
+
+```
+sudo make install && PGUSER=postgres make testinstalled
+```

DEPLOYING.md

@@ -6,10 +6,11 @@
 
 ...
 
-Deployment to db servers
+Deployment to db servers: the next command will install both the Python
+package and the extension.
 
 ```
-(cd pg && sudo PGUSER=postgres make all install)
+sudo make install
 ```
 
 Installing only the Python package:
@@ -21,6 +22,22 @@ sudo pip install python/crankshaft --upgrade
 Caveat: note that `pip install ./crankshaft` will install
 from local files, but `pip install crankshaft` will not.
 
-Installing the extension in user databases:
+CI: Install and run the tests on the installed extension and package:
 
-...
+```
+(sudo make install && PGUSER=postgres make testinstalled)
+```
+
+Installing the extension in user databases:
+Once installed in a server, the extension can be added
+to a database with the next SQL command:
+
+```
+CREATE EXTENSION crankshaft;
+```
+
+To upgrade the extension to an specific version X.Y.Z:
+
+```
+ALTER EXTENSION crankshaft UPGRADE TO 'X.Y.Z';
+```

Makefile

@@ -0,0 +1,13 @@
+EXT_DIR = pg
+PYP_DIR = python
+
+.PHONY: install
+.PHONY: run_tests
+
+install:
+	$(MAKE) -C $(PYP_DIR) install
+	$(MAKE) -C $(EXT_DIR) install
+
+testinstalled:
+	$(MAKE) -C $(PYP_DIR) testinstalled
+	$(MAKE) -C $(EXT_DIR) installcheck

pg/Makefile

@@ -28,15 +28,3 @@ REGRESS_OPTS = --inputdir='$(TEST_DIR)' --outputdir='$(TEST_DIR)'
 PG_CONFIG = pg_config
 PGXS := $(shell $(PG_CONFIG) --pgxs)
 include $(PGXS)
-
-# Install the Python package
-install_py_package:
-	pip install ../python/crankshaft --upgrade
-
-install: install_py_package
-
-# Run the Python tests
-test_py_package:
-	(cd ../python/crankshaft && nosetests test)
-
-installcheck: test_py_package

python/Makefile

@@ -0,0 +1,11 @@
+# Install the package (needs root privileges)
+install:
+	pip install ./crankshaft --upgrade
+
+# Test from source code
+test:
+	(cd crankshaft && nosetests test/)
+
+# Test currently installed package
+testinstalled:
+	nosetests crankshaft/test/