[build] Allow building official targets on CI environments

.github/workflows/ci-workflow.yml

@@ -19,6 +19,7 @@ jobs:
       - uses: actions/checkout@v1
       - run: make -j2 MODEL=n0100 epsilon.dfu
       - run: make -j2 MODEL=n0100 epsilon.onboarding.dfu
+      - run: make -j2 MODEL=n0100 epsilon.official.onboarding.dfu
       - run: make -j2 MODEL=n0100 epsilon.onboarding.update.dfu
       - run: make -j2 MODEL=n0100 epsilon.onboarding.beta.dfu
       - run: make -j2 MODEL=n0100 flasher.light.dfu
@@ -36,6 +37,7 @@ jobs:
       - uses: actions/checkout@v1
       - run: make -j2 epsilon.dfu
       - run: make -j2 epsilon.onboarding.dfu
+      - run: make -j2 epsilon.official.onboarding.dfu
       - run: make -j2 epsilon.onboarding.update.dfu
       - run: make -j2 epsilon.onboarding.beta.dfu
       - run: make -j2 flasher.light.dfu
@@ -68,6 +70,7 @@ jobs:
           sdk: latest-fastcomp
       - uses: actions/checkout@v1
       - run: make -j2 PLATFORM=simulator TARGET=web
+      - run: make -j2 PLATFORM=simulator TARGET=web epsilon.official.js
       - uses: actions/upload-artifact@master
         with:
           name: epsilon-simulator-web.zip
@@ -108,3 +111,6 @@ jobs:
         with:
           name: epsilon-simulator-ios.ipa
           path: output/release/simulator/ios/app/epsilon.ipa
+
+env:
+  ACCEPT_OFFICIAL_TOS: 1

build/rules.mk

@@ -2,7 +2,10 @@
 
 .PHONY: official_authorization
 official_authorization:
-	@echo "CAUTION: You are about to build an official NumWorks firmware. Distribution of such firmware by a third party is prohibited. Are you sure you want to proceed? Please type "yes" to confirm." && read ans && [ $${ans:-no} = yes ]
+	@echo "CAUTION: You are trying to build an official NumWorks firmware."
+	@echo "Distribution of such firmware by a third party is prohibited."
+	@echo "Please set the ACCEPT_OFFICIAL_TOS environment variable to proceed."
+	@exit $(if $(filter ACCEPT_OFFICIAL_TOS,1),0,-1)
 
 $(eval $(call rule_for, \
   AS, %.o, %.s, \