Add upgrade flag to versions file

When set, the box will issue an upgrade request instead of an update
request. The intention here is that if the updater is broken then
we can just create a new source tarball without having to create a
new image.

release/publish.sh

@@ -24,10 +24,11 @@ image_id=""
 cmd=""
 new_version=""
 changelog="If I told you, I'd have to kill you"
+upgrade="autodetect"
 
 # --code and--image is provided for readability. The code below assumes number is an image id
 # and anything else is the source tarball url. So, one can just say "publish.sh 2345 https://foo.tar.gz"
-args=$($GNU_GETOPT -o "" -l "dev,stable,code:,image:,rerelease,new,list,revert,changelog:,release:" -n "$0" -- "$@")
+args=$($GNU_GETOPT -o "" -l "dev,stable,code:,image:,rerelease,new,list,revert,changelog:,release:,upgrade" -n "$0" -- "$@")
 eval set -- "${args}"
 
 while true; do
@@ -42,6 +43,7 @@ while true; do
     --list) cmd="list"; shift;;
     --revert) cmd="revert"; shift;;
     --changelog) changelog="$2"; shift 2;;
+    --upgrade) upgrade="true"; shift;;
     --) shift; break;;
     *) echo "Unknown option $2"; exit;;
     esac
@@ -116,12 +118,17 @@ else
         echo "Using the previous image id : ${image_id}"
     fi
 
+    if [[ "${upgrade}" == "autodetect" ]]; then
+        old_image_id=$($JSON -f "${new_versions_file}" -D, "${last_version},imageId")
+        upgrade=$([[ "${old_image_id}" != "${image_id}" ]] && echo "true" || echo "false")
+    fi
+
     new_version=$($SOURCE_DIR/node_modules/.bin/semver -i "${last_version}")
     echo "Releasing version ${new_version}"
     image_name=$(get_image_name "${image_id}")
 
     $JSON -q -I -f "${new_versions_file}" -e "this['${last_version}'].next = '${new_version}'"
-    $JSON -q -I -f "${new_versions_file}" -e "this['${new_version}'] = { 'sourceTarballUrl': '${source_tarball_url}', 'imageId': ${image_id}, 'imageName': '${image_name}', 'changelog': [ \"${changelog}\" ], 'next': null }"
+    $JSON -q -I -f "${new_versions_file}" -e "this['${new_version}'] = { 'sourceTarballUrl': '${source_tarball_url}', 'imageId': ${image_id}, 'imageName': '${image_name}', 'changelog': [ \"${changelog}\" ], 'upgrade': ${upgrade}, 'next': null }"
 fi
 
 echo "Verifying new versions file"

src/updater.js

@@ -76,7 +76,7 @@ function checkBoxUpdates(callback) {
             callback(null, {
                 version: nextVersion,
                 changelog: nextVersionInfo.changelog,
-                upgrade: nextVersionInfo.imageId !== currentVersionInfo.imageId
+                upgrade: nextVersionInfo.upgrade
             });
         } else {
             debug('no new version available.');