python: move filespec shell code into file

Cleanup.
And preparation for adding a bit more functionality.

Signed-off-by: Alexandru Ardelean <ardeleanalex@gmail.com>

lang/python/Makefile

@@ -193,6 +193,7 @@ define Build/InstallDev
 		./files/python-package.mk \
 		./files/python-host.mk \
 		./files/python-version.mk \
+		./files/python-package-install.sh \
 		$(STAGING_DIR)/mk/
 	$(CP) \
 		$(PKG_INSTALL_DIR)/usr/include/python$(PYTHON_VERSION) \

lang/python/files/python-package-install.sh

@@ -0,0 +1,38 @@
+#!/bin/sh
+
+process_filespec() {
+	local src_dir="$1"
+	local dst_dir="$2"
+	local filespec="$3"
+	echo "$filespec" | (
+	IFS='|'
+	while read fop fspec fperm; do
+		local fop=`echo "$fop" | tr -d ' \t\n'`
+		if [ "$fop" = "+" ]; then
+			if [ ! -e "${src_dir}${fspec}" ]; then
+				echo "File not found '${src_dir}${fspec}'"
+				exit 1
+			fi
+			dpath=`dirname "$fspec"`
+			if [ -z "$fperm" ]; then
+				dperm=`stat -c "%a" ${src_dir}${dpath}`
+			fi
+			mkdir -p -m$dperm ${dst_dir}${dpath}
+			echo "copying: '$fspec'"
+			cp -fpR ${src_dir}${fspec} ${dst_dir}${dpath}/
+			if [ -n "$fperm" ]; then
+				chmod -R $fperm ${dst_dir}${fspec}
+			fi
+		elif [ "$fop" = "-" ]; then
+			echo "removing: '$fspec'"
+			rm -fR ${dst_dir}${fspec}
+		elif [ "$fop" = "=" ]; then
+			echo "setting permissions: '$fperm' on '$fspec'"
+			chmod -R $fperm ${dst_dir}${fspec}
+		fi
+	done
+	)
+}
+
+process_filespec "$1" "$2" "$3"
+

lang/python/files/python-package.mk

@@ -54,36 +54,18 @@ define PyPackage
 
   define Package/$(1)/install
 	find $(PKG_INSTALL_DIR) -name "*\.pyc" -o -name "*\.pyo" -o -name "*\.exe" | xargs rm -f
-	@echo "$$$$$$$$$$(call shvar,PyPackage/$(1)/filespec)" | ( \
-		IFS='|'; \
-		while read fop fspec fperm; do \
-		  fop=`echo "$$$$$$$$fop" | tr -d ' \t\n'`; \
-		  if [ "$$$$$$$$fop" = "+" ]; then \
-			if [ ! -e "$(PKG_INSTALL_DIR)$$$$$$$$fspec" ]; then \
-			  echo "File not found '$(PKG_INSTALL_DIR)$$$$$$$$fspec'"; \
-			  exit 1; \
-			fi; \
-			dpath=`dirname "$$$$$$$$fspec"`; \
-			if [ -n "$$$$$$$$fperm" ]; then \
-			  dperm="-m$$$$$$$$fperm"; \
-			else \
-			  dperm=`stat -c "%a" $(PKG_INSTALL_DIR)$$$$$$$$dpath`; \
-			fi; \
-			mkdir -p $$$$$$$$$dperm $$(1)$$$$$$$$dpath; \
-			echo "copying: '$$$$$$$$fspec'"; \
-			cp -fpR $(PKG_INSTALL_DIR)$$$$$$$$fspec $$(1)$$$$$$$$dpath/; \
-			if [ -n "$$$$$$$$fperm" ]; then \
-			  chmod -R $$$$$$$$fperm $$(1)$$$$$$$$fspec; \
-			fi; \
-		  elif [ "$$$$$$$$fop" = "-" ]; then \
-			echo "removing: '$$$$$$$$fspec'"; \
-			rm -fR $$(1)$$$$$$$$fspec; \
-		  elif [ "$$$$$$$$fop" = "=" ]; then \
-			echo "setting permissions: '$$$$$$$$fperm' on '$$$$$$$$fspec'"; \
-			chmod -R $$$$$$$$fperm $$(1)$$$$$$$$fspec; \
-		  fi; \
-		done; \
-	)
+	if [ -e files/python-package-install.sh ] ; then \
+		$(SHELL) files/python-package-install.sh \
+			"$(PKG_INSTALL_DIR)" "$$(1)" \
+			"$$$$$$$$$$(call shvar,PyPackage/$(1)/filespec)" ; \
+	elif [ -e $(STAGING_DIR)/mk/python-package-install.sh ] ; then \
+		$(SHELL) $(STAGING_DIR)/mk/python-package-install.sh \
+			"$(PKG_INSTALL_DIR)" "$$(1)" \
+			"$$$$$$$$$$(call shvar,PyPackage/$(1)/filespec)" ; \
+	else \
+		echo "No 'python-package-install.sh' script found" ; \
+		exit 1 ; \
+	fi
 	$(call PyPackage/$(1)/install,$$(1))
   endef
 endef