version 0.2 ready for upload

Makefile

@@ -45,7 +45,7 @@ EXT_ID := logsdu
 VERSION := $(shell node -p "require('./package.json').version")
 XPI := $(EXT_ID)-$(VERSION).xpi
 
-.PHONY: all build test xpi clean check-deps
+.PHONY: all build chrome test xpi clean check-deps
 
 all: build
 
@@ -61,6 +61,13 @@ build: check-deps
 	node_modules/.bin/tsc -noEmit -skipLibCheck
 	node esbuild.config.mjs production
 
+# The same sources with Chrome's background key. Untested against Chrome; it
+# exists so the port is a build flag rather than a fork.
+chrome: check-deps
+	node_modules/.bin/tsc -noEmit -skipLibCheck
+	TARGET=chrome node esbuild.config.mjs production
+	@echo "Chrome build in build/ -- load it via chrome://extensions (Developer mode)."
+
 # An .xpi is just a zip of the extension directory, with the manifest at the
 # top level rather than inside a wrapper folder. The same file installs
 # directly on ESR and uploads to AMO for signing.
@@ -70,13 +77,16 @@ xpi: build
 	@echo
 	@echo "Built: $(CURDIR)/$(XPI)"
 	@echo
-	@echo "To install, in Firefox:"
-	@echo "  1. about:config    -> set xpinstall.signatures.required = false"
-	@echo "     (only ESR, Developer Edition and Nightly honour this)"
-	@echo "  2. about:addons    -> gear icon -> Install Add-on From File"
-	@echo "  3. paste this path into the file picker:"
+	@echo "This file is UNSIGNED. Two ways to use it:"
 	@echo
-	@echo "     $(CURDIR)/$(XPI)"
+	@echo "  Publish -- upload it at addons.mozilla.org/developers/addon/submit/"
+	@echo "    Mozilla signs it; the signed file installs on any Firefox."
+	@echo
+	@echo "  Install locally -- only on ESR, Developer Edition or Nightly:"
+	@echo "    1. about:config -> xpinstall.signatures.required = false"
+	@echo "    2. about:addons -> gear icon -> Install Add-on From File"
+	@echo "    3. paste this path into the file picker:"
+	@echo "       $(CURDIR)/$(XPI)"
 	@echo
 
 clean: