Split image assembling into separate script

Author: dos1

.dockerignore

@@ -1,2 +1,3 @@
 anbox-work
 .git
+android.img

.gitignore

@@ -1 +1,2 @@
 anbox-work
+android.img

README.md

@@ -22,9 +22,15 @@ Use `./build.sh --sudo` if your user does not have permission to use Docker daem
 
 Directory `anbox-work` will be created where all AOSP sources will be downloaded to and where the build will be performed. You'll need at least 60GB of free disk space and 16GB of RAM.
 
+After successful build, assemble the image with:
+
+```
+./assemble.sh
+```
+
 ## Installation:
 
-Put the `anbox-work/vendor/anbox/android.img` file into `/var/lib/anbox/android.img` on your phone and reboot.
+Put the `android.img` file into `/var/lib/anbox/android.img` on your phone and reboot.
 
 ## Cleanup
 

assemble.sh

@@ -0,0 +1,7 @@
+#!/bin/sh
+set -e
+
+pushd anbox-work/vendor/anbox
+scripts/create-package.sh "$PWD/../../out/target/product/arm64/ramdisk.img" "$PWD/../../out/target/product/arm64/system.img"
+popd
+mv anbox-work/vendor/anbox/android.img ./

build.sh

@@ -23,5 +23,4 @@ fi
 $DOCKER build --build-arg userid=$(id -u) --build-arg groupid=$(id -g) --build-arg username=$(id -un) -t anbox-build-trusty .
 mkdir -p anbox-work
 $DOCKER run -it --rm -v "$(realpath anbox-work)":/src anbox-build-trusty /data/anbox-build.sh
-cd anbox-work/vendor/anbox
-scripts/create-package.sh "$PWD/../../out/target/product/arm64/ramdisk.img" "$PWD/../../out/target/product/arm64/system.img"
+echo "Build finished. Now assemble the image with \"./assemble.sh\""