Move extension artifacts to base diretcory

The .control file is taken from there anyway by the PGXS install script,
and it is the convention used in other projects

CONTRIBUTING.md

@@ -38,11 +38,11 @@ follow the[Semantic Versioning 2.0](http://semver.org/) guidelines:
 
 * Update the control file and the Makefile to generate the complete SQL
   file for the new created version. After running `make` a new
-  file `dist/crankshaft--X.Y.Z.sql` will be created for the current version.
+  file `crankshaft--X.Y.Z.sql` will be created for the current version.
   Additional files for migrating to/from the previous version A.B.Z should be
   created:
-  - `dist/crankshaft--X.Y.Z--A.B.C.sql`
-  - `dist/crankshaft--A.B.C--X.Y.Z.sql`
+  - `crankshaft--X.Y.Z--A.B.C.sql`
+  - `crankshaft--A.B.C--X.Y.Z.sql`
   All these new files must be added to git and pushed.
 
 * Update the public docs! ;-)

pg/Makefile

@@ -5,7 +5,7 @@ EXTENSION    = crankshaft
 EXTVERSION   = $(shell grep default_version $(EXTENSION).control | sed -e "s/default_version[[:space:]]*=[[:space:]]*'\([^']*\)'/\1/")
 
 # The new version to be generated from templates
-NEW_EXTENSION_ARTIFACT = dist/$(EXTENSION)--$(EXTVERSION).sql
+NEW_EXTENSION_ARTIFACT = $(EXTENSION)--$(EXTVERSION).sql
 
 # DATA is a special variable used by postgres build infrastructure
 # These are the files to be installed in the server shared dir,
@@ -16,19 +16,11 @@ DATA =  $(NEW_EXTENSION_ARTIFACT)
 SOURCES_DATA_DIR = sql/$(EXTVERSION)
 SOURCES_DATA = $(wildcard sql/$(EXTVERSION)/*.sql)
 
-# The extension installation artifacts are stored in the dist subdirectory
+# The extension installation artifacts are stored in the base subdirectory
 $(NEW_EXTENSION_ARTIFACT): $(SOURCES_DATA)
 	rm -f $@
 	cat $(SOURCES_DATA_DIR)/*.sql >> $@
 
-# The PGXS build infraestructure takes the control file from this
-# directory, but for consistency we will copy the control file to
-# the dist subdirectory too.
-dist/$(EXTENSION).control: $(EXTENSION).control
-	cp $< $@
-
-all: dist/$(EXTENSION).control
-
 REGRESS = $(notdir $(basename $(wildcard test/$(EXTVERSION)/sql/*test.sql)))
 TEST_DIR = test/$(EXTVERSION)
 REGRESS_OPTS = --inputdir='$(TEST_DIR)' --outputdir='$(TEST_DIR)'

pg/dist/crankshaft--0.0.1.sql

@@ -1,5 +0,0 @@
-CREATE OR REPLACE FUNCTION cdb_poc_xyz()
-RETURNS Text AS $$
-    from crankshaft.poc import xyz
-    return xyz()
-$$ LANGUAGE plpythonu;