Write the current version of the ui in a version.json file

package.json

@@ -26,7 +26,8 @@
     "lint-fix": "yarn lint -- --fix",
     "flow": "flow",
     "flow-coverage": "flow-coverage-report -i 'src/**/*.js' -t html -t text",
-    "check": "yarn lint && yarn flow"
+    "check": "yarn lint && yarn flow",
+    "version-file": "./update_version.sh"
   },
   "devDependencies": {
     "eslint": "^4.4.1",

update_version.sh

@@ -0,0 +1,6 @@
+NAME="Delivery Dashboard"
+SOURCE=$(git config remote.origin.url | sed -e 's|git@|https://|g' | sed -e 's|github.com:|github.com/|g')
+VERSION=$(git describe --always --tag)
+COMMIT=$(git log --pretty=format:'%H' -n 1)
+echo "{\"name\":\"${NAME}\",\"version\":\"${VERSION}\",\"source\":\"${SOURCE}\",\"commit\":\"${COMMIT}\"}" > version.json
+

version.json

@@ -0,0 +1 @@
+{"name":"Delivery Dashboard","version":"6dd91d4","source":"https://github.com/mozilla/delivery-dashboard.git","commit":"6dd91d4c386661bda382de942e00b5f363b797cf"}