build: move install dirs out of the build dir

Instead of cluttering $BUILD we now have
- $BUILD/build         sources and builds of packages
- $BUILD/install_pkg   installed packages
- $BUILD/install_init  installed packages for initramfs

config/functions

@@ -792,7 +792,7 @@ get_pkg_variable() {
 get_build_dir() {
   local _PKG_NAME="${1%:*}" _PKG_VERSION="$(get_pkg_version "$1")"
   if [ -n "$_PKG_NAME" -a -n "$_PKG_VERSION" ]; then
-    echo $BUILD/${_PKG_NAME}-${_PKG_VERSION}
+    echo $BUILD/build/${_PKG_NAME}-${_PKG_VERSION}
   fi
 }
 
@@ -1030,12 +1030,12 @@ source_package() {
       fi
     fi
 
-    PKG_BUILD="$BUILD/${PKG_NAME}-${PKG_VERSION}"
+    PKG_BUILD="$BUILD/build/${PKG_NAME}-${PKG_VERSION}"
 
     if [[ "${1}" =~ :target$ || "${1//:/}" = "${1}" ]]; then
-      PKG_INSTALL="${PKG_BUILD}/.install_pkg"
+      PKG_INSTALL="$BUILD/install_pkg/${PKG_NAME}-${PKG_VERSION}"
     elif [[ "${1}" =~ :init$ ]]; then
-      PKG_INSTALL="${PKG_BUILD}/.install_init"
+      PKG_INSTALL="$BUILD/install_init/${PKG_NAME}-${PKG_VERSION}"
     fi
   fi
 

scripts/build

@@ -485,6 +485,10 @@ if [ "${TARGET}" = "target" -o "${TARGET}" = "init" ]; then
   fi
 fi
 
+if [ -n "${INSTALL}" -a -d "${INSTALL}" ]; then
+  echo "INFO_PKG_NAME=\"${PKG_NAME}\"" > "${INSTALL}/.libreelec-package"
+fi
+
 cd ${ROOT}
 
 PKG_DEEPHASH=$(calculate_stamp)

scripts/clean

@@ -14,8 +14,10 @@ clean_package() {
     return
   fi
 
-  # Use a wilcard here to remove all versions of the package
-  for i in "${BUILD}/${1}-"*; do
+  # Use a wildcard here to remove all versions of the package
+  for i in "${BUILD}/build/${1}-"* \
+           "${BUILD}/install_pkg/${1}-"* \
+           "${BUILD}/install_init/${1}-"*; do
     if [ -d "${i}" -a -f "${i}/.libreelec-unpack" ]; then
       . "${i}/.libreelec-unpack"
       if [ "${STAMP_PKG_NAME}" = "${1}" ]; then

scripts/unpack

@@ -27,11 +27,11 @@ fi
 
 STAMP="${PKG_BUILD}/.libreelec-unpack"
 
-mkdir -p ${BUILD}
+mkdir -p ${BUILD}/build
 
 # Perform a wildcard match on the package to ensure old versions are cleaned too
 PKG_DEEPHASH=
-for i in ${BUILD}/${PKG_NAME}-*; do
+for i in ${BUILD}/build/${PKG_NAME}-*; do
   if [ -d ${i} -a -f "${i}/.libreelec-unpack" ] ; then
     . "${i}/.libreelec-unpack"
     if [ "${STAMP_PKG_NAME}" = "${PKG_NAME}" ]; then