#277 Compatibility with Thunderbird 67 and newer versions

* Refactor `install.rdf` to `manifest.json`.

.gitignore

@@ -1,2 +1 @@
-/install.rdf
 /exchangecalendar-v*.xpi

Makefile

@@ -1,5 +1,5 @@
-version = $(shell cat VERSION)
-excludefromxpi = .git/\* .gitignore \*/.gitignore .tx/\* \*.xpi \*.sh update\*.txt Makefile VERSION install.rdf.template
+version = $(shell jq -r '.version' manifest.json)
+excludefromxpi = .git/\* .gitignore \*/.gitignore .tx/\* \*.xpi \*.sh update\*.txt Makefile
 releasebranch = ec-4.0
 update = disable
 xpi = exchangecalendar-v$(version).xpi
@@ -9,13 +9,10 @@ xpi = exchangecalendar-v$(version).xpi
 # Default target is build package
 build: $(xpi)
 
-$(xpi): install.rdf defaults/preferences/update.js
+$(xpi): defaults/preferences/update.js
 	rm -f $@
 	zip -r $@ -x $(excludefromxpi) -- .
 
-install.rdf: install.rdf.template
-	sed 's/@VERSION@/$(version)/g' $< > $@
-
 defaults/preferences/update.js:
 	cp defaults/preferences/update_$(update).txt $@
 

manifest.json

@@ -0,0 +1,18 @@
+{
+  "manifest_version": 2,
+  "applications": {
+    "gecko": {
+      "id": "github.com_exchangecalendar@community.invalid",
+      "strict_min_version": "68.0"
+    }
+  },
+  "name": "Exchange Calendar",
+  "description": "Synchronize calendars, tasks, and contacts with Microsoft Exchange.",
+  "version": "4.0.0.5",
+  "version_name": "4.0.0-beta5",
+  "icons": {
+    "32": "common/theme/common/images/lightningexchangecalendar.png"
+  },
+  "homepage_url": "https://github.com/ExchangeCalendar/exchangecalendar",
+  "author": "ExchangeCalendar community"
+}