updated build system

scripts/make_common.sh

@@ -1,13 +1,4 @@
 #!/bin/bash
-# clean dist on each build
-# repertory - add back git rev
-#           - store in PROJECT_GIT_REV
-# add make_package.sh/cmd
-#           - signature / sha256
-#             - add PROJECT_PUBLIC_KEY
-#             - add PROJECT_PRIVATE_KEY
-#           - [optional] post_package.sh for copy to destination
-# update nvim-lua mmr/mmd
 
 CURRENT_DIR=$(dirname "$0")
 CURRENT_DIR=$(realpath ${CURRENT_DIR})
@@ -16,6 +7,11 @@ CURRENT_DIR=$(realpath ${CURRENT_DIR})
 
 mkdir -p "${PROJECT_BUILD_DIR}/build"
 
+if [ -d "${PROJECT_DIST_DIR}" ]; then
+  rm -rf "${PROJECT_DIST_DIR}"
+  mkdir -p "${PROJECT_DIST_DIR}"
+fi
+
 if [ -f "${SOURCE_DIR}/pre_build.sh" ]; then
   "${SOURCE_DIR}/pre_build.sh"
 fi