debian: Add authd-example-broker package

In order to do integration tests, autopkgtests or manual tests we may
need to have a simple broker installed.

So expose the example broker as a separate binary pacakge so that we can
easily install it when required.

debian/authd-example-broker.install

@@ -0,0 +1,7 @@
+usr/bin/examplebroker-bin /usr/libexec/authd-examplebroker
+
+examplebroker/com.ubuntu.authd.ExampleBroker.conf /usr/share/dbus-1/system.d
+examplebroker/ExampleBroker /etc/authd/brokers.d
+examplebroker/com.ubuntu.authd.ExampleBroker.service /usr/share/dbus-1/system-services
+
+systemd/authd-examplebroker.* /usr/lib/systemd/system/

debian/control

@@ -44,3 +44,13 @@ Description: ${source:Synopsis}
  .
  This package contains the authentication daemon together with the PAM & NSS
  modules.
+
+Package: authd-example-broker
+Architecture: any
+Built-Using: ${misc:Built-Using},
+Depends: ${shlibs:Depends},
+         ${misc:Depends},
+Description: ${source:Synopsis} - Example broker
+ ${source:Extended-Description}
+ .
+ This package contains an example broker for testing and autopkgtests purposes.

debian/rules

@@ -37,6 +37,8 @@ export AUTHD_SKIP_EXTERNAL_DEPENDENT_TESTS=1
 # Defines the targets to be built as part of dh_auto_build
 export DH_GOLANG_BUILDPKG := $(AUTHD_GO_PACKAGE)/...
 
+EXAMPLE_BROKER_BUILD_TAG := with_standalone_examplebroker
+
 # Run go generate on the targets
 export DH_GOLANG_GO_GENERATE := 1
 
@@ -78,7 +80,10 @@ override_dh_auto_build:
 		-Dt $(BUILD_GOPATH)/github.com/msteinert/pam/v2/cmd/pam-moduler
 
 	# Build the daemon and libraries defined in $(DH_GOLANG_BUILDPKG)
-	dh_auto_build
+	# but we manually include the example broker because otherwise it's not
+	# part of the normal install.
+	dh_auto_build -- -tags $(EXAMPLE_BROKER_BUILD_TAG) \
+		$(AUTHD_GO_PACKAGE)/examplebroker/examplebroker-bin
 
 override_dh_auto_install:
 	dh_auto_install --destdir=debian/tmp -- --no-source