Add support for generation of prebuilds images

Author: piranna

.gitignore

@@ -5,3 +5,4 @@ node_modules/
 
 build/
 npm-debug.log
+prebuilds/

package.json

@@ -25,6 +25,7 @@
     "minimist": "^1.2.0",
     "nodeos-cross-toolchain": "^1.0.0-RC3.0",
     "nodeos-nodejs": "NodeOS/nodejs",
+    "prebuild": "^6.0.0",
     "qemu": "^2.8.0",
     "suppose": "^0.6.1"
   },

scripts/BigRedButton

@@ -13,3 +13,12 @@ TEST="npm test"
 eval MACHINE=pc BITS=32 $BUILD && $TEST || exit 1
 eval MACHINE=pc BITS=64 $BUILD && $TEST || exit 2
 eval MACHINE=raspi2     $BUILD          || exit 3
+
+
+#
+# Upload release to GitHub
+#
+
+if [ "$GITHUB_TOKEN" ]; then
+  prebuild --upload-all $GITHUB_TOKEN || exit 10
+fi

scripts/build

@@ -46,13 +46,16 @@ SRC_LINUX=`pwd`/deps/linux
 # Define steps paths
 #
 
+NODE_PLATFORM=linux
+
 OBJ_INIT=$OBJECTS/init
 OBJ_NODE=$OBJECTS/node
 OBJ_RELEASE=$OBJECTS/os-release
 OBJ_CPIO_TXT=$OBJECTS/cpio.txt
 OBJ_GEN_INIT_CPIO=$OBJECTS/gen_init_cpio
 OBJ_LINUX=$OBJECTS/linux
 OUT_DIR=`pwd`/out/$CPU
+PREBUILD=prebuilds/$NODE_PLATFORM-$NODE_ARCH.tar.gz
 
 
 #
@@ -163,7 +166,7 @@ STEP_DIR=$OBJ_GEN_INIT_CPIO
 
 if [[ ! -f $STEP_DIR ]]; then
   # Delete previous initramfs and kernel
-  rm -rf $OUT_DIR
+  rmStep $OUT_DIR $PREBUILD
 
   (
     cd $SRC_DIR/usr     &&
@@ -285,3 +288,15 @@ esac
 ln -sfn $CPU out/latest || err 90
 
 echo -e "${GRN}Successfully built 'barebones'${CLR}"
+
+
+#
+# Pack Node.js in a node-gyp compatible way
+#
+
+# TODO use Node.js arch instead of explicit CPUs and move to BigRedButton
+
+STEP_DIR=$PREBUILD
+
+mkdir -p `dirname $STEP_DIR`          &&
+tar -cf - out/$CPU | gzip > $STEP_DIR || err 100

scripts/unbuild

@@ -1,3 +1,3 @@
 #!/usr/bin/env sh
 
-rm -rf .vagga/ build/ out/ || exit $?
+rm -rf .vagga/ build/ out/ prebuilds/ || exit $?