Allow to create single user images

Author: piranna

package.json

@@ -19,10 +19,10 @@
     "prebuild-install": "^2.1.0"
   },
   "buildDependencies": [
-    "exclfs",
-    "jocker",
     "libfuse",
     "nodeos-boot-multiUser",
+    "nodeos-boot-singleUser",
+    "nodeos-boot-singleUserMount",
     "nodeos-cross-toolchain",
     "nodeos-nodejs",
     "usrbinenv"
@@ -34,23 +34,18 @@
   ],
   "devDependencies": {
     "ci-publish": "^1.3.0",
-    "exclfs": "piranna/exclfs",
-    "jocker": "^0.0.1",
     "libfuse": "^2.9.8-3",
     "nodeos-barebones": "^1.0.0-RC3.1",
-    "nodeos-boot-multiUser": "^0.4.3",
+    "nodeos-boot-multiUser": "^0.5.0",
+    "nodeos-boot-singleUser": "^0.5.0",
+    "nodeos-boot-singleUserMount": "^0.5.0",
     "nodeos-cross-toolchain": "^1.0.0-RC3.1",
     "nodeos-nodejs": "^6.9.5-0",
     "prebuild": "^6.0.2",
     "qemu": "^2.8.0",
     "suppose": "^0.6.1",
     "usrbinenv": "^0.1.0"
   },
-  "nodeosDependencies": [
-    "jocker",
-    "nodeos-boot-multiUser",
-    "usrbinenv"
-  ],
   "repository": {
     "type": "git",
     "url": "git+https://github.com/NodeOS/nodeos-initramfs.git"

scripts/build

@@ -62,31 +62,61 @@ if [[ ! -d $STEP_DIR ]]; then
   rmStep $OUT_DIR
 
 
-  # Install FUSE & ExclFS
+  # Install FUSE
 
   SRC_FUSE=$SRC_FUSE/out/$CPU
 
-  eval "$NPMi" -g piranna/exclfs                  \
-      --fuse__include_dirs=$SRC_FUSE/include/fuse \
-      --fuse__library_dirs=$SRC_FUSE/lib          \
-      --fuse__libraries=-lfuse                    || err 20
+  mkdir -p                     $STEP_DIR/lib &&
+  cp $SRC_FUSE/lib/libfuse.so* $STEP_DIR/lib || exit 20
 
-  cp $SRC_FUSE/lib/libfuse.so* $STEP_DIR/lib || err 21
 
+  # Install usrbinenv
 
-  # Install system dependencies
+  eval "$NPMi" -g usrbinenv || err 21
 
-  PACKAGES=`node -p "require('./package.json').nodeosDependencies.join(' ')"`
-  eval "$NPMi" -g $PACKAGES --has_libblkid=false || err 22
+  mkdir -p             $STEP_DIR/usr/bin     &&
+  ln -fs ../../bin/env $STEP_DIR/usr/bin/env || err 22
 
-  mkdir -p $STEP_DIR/sbin                                 &&
-  ln -fs ../bin/nodeos-boot-multiUser $STEP_DIR/sbin/init || err 23
 
+  #
+  # Install system init
+  #
 
-  # /usr/bin/env
+  # Default: multiple users system
+  SINGLE_USER=${SINGLE_USER-"nodeos-boot-multiUser"}
+  echo SINGLE_USER: \"$SINGLE_USER\"
+
+  # Empty, single user system with `$HOME` in another partition
+  if [[ -z "$SINGLE_USER" ]]; then
+    INIT=nodeos-boot-singleUserMount
+
+  # Multiple users system
+  elif [[ "$SINGLE_USER" == "nodeos-boot-multiUser" ]]; then
+    INIT=nodeos-boot-multiUser
+
+  # Package defined, single process OS without persistence
+  else
+    (
+      STEP_DIR=$STEP_DIR/tmp
+
+      mkdir -p $STEP_DIR || exit 23
+
+      eval "$NPMi" -g $SINGLE_USER || exit 24
+
+      ln -fs bin/$SINGLE_USER $STEP_DIR/init || exit 25
+    ) || err $?
+
+    INIT=nodeos-boot-singleUser
+  fi
+
+  eval "$NPMi" -g $INIT --has_libblkid=false      \
+      --fuse__include_dirs=$SRC_FUSE/include/fuse \
+      --fuse__library_dirs=$SRC_FUSE/lib          \
+      --fuse__libraries=-lfuse                    || err 26
+
+  mkdir -p $STEP_DIR/sbin                 &&
+  ln -fs ../bin/$INIT $STEP_DIR/sbin/init || err 27
 
-  mkdir -p             $STEP_DIR/usr/bin     &&
-  ln -fs ../../bin/env $STEP_DIR/usr/bin/env || err 24
 
   echo -e "${GRN}Successfully generated initramfs${CLR}"
 fi