Snap: Update packaging for http dashboard

snap/snapcraft.yaml

@@ -22,10 +22,6 @@ apps:
     command: usr/bin/mosquitto_ctrl
     plugs: [home, network]
 
-  db_dump:
-    command: usr/bin/mosquitto_db_dump
-    plugs: [home]
-
   pub:
     command: usr/bin/mosquitto_pub
     plugs: [home, network]
@@ -70,7 +66,7 @@ parts:
     plugin: cmake
     cmake-parameters:
       - -DCMAKE_INSTALL_PREFIX=/usr
-      - -DHTTP_API_DIR=\\\"/snap/mosquitto/current/dashboard/\\\"
+      - -DHTTP_API_DIR="/snap/mosquitto/current/dashboard/"
       - -DWITH_TESTS=OFF
     source: https://github.com/eclipse-mosquitto/mosquitto
     source-type: git

src/CMakeLists.txt

@@ -105,12 +105,17 @@ endif()
 
 option(WITH_HTTP_API
 	"Include http_api support for listeners?" ON)
+option(HTTP_API_DIR
+	"Default http_api directory" "")
 if(WITH_HTTP_API)
 	find_library(MICROHTTPD_LIBRARY NAMES microhttpd)
 	if(MICROHTTPD_LIBRARY)
 		target_sources(mosquitto PRIVATE http_api.c)
 		target_compile_definitions(mosquitto PRIVATE "WITH_HTTP_API")
 		target_link_libraries(mosquitto PRIVATE ${MICROHTTPD_LIBRARY})
+		if(HTTP_API_DIR)
+			target_compile_definitions(mosquitto PRIVATE "HTTP_API_DIR=\"${HTTP_API_DIR}\"")
+		endif()
 	endif()
 endif()