From 497f185790b909643f90820ddd0f195535dd6c60 Mon Sep 17 00:00:00 2001
From: JoePfeiffer <joseph@pfeifferfamily.net>
Date: Tue, 1 Feb 2022 09:02:33 -0700
Subject: [PATCH] Check for database submodule and give instructions for
 including it if not found

---
 swing/build.xml | 44 +++++++++++++++++++++++++++++++++++++-------
 1 file changed, 37 insertions(+), 7 deletions(-)

diff --git a/swing/build.xml b/swing/build.xml
index 512ba6943..c6a0678b1 100644
--- a/swing/build.xml
+++ b/swing/build.xml
@@ -160,16 +160,46 @@
 		</for>
 	</target>
 
-	<!-- COPY orc files from source directories to build directory -->
-	<target name="copy-orc-files"
+	<!-- COPY orc files from source directories to build directory	-->
+	<target name="check-database" description="check component database">
+		<available file="${resources-src.dir}/datafiles/components/orc" property="database"/>
+	</target>
+
+	<target name="copy-orc-files" depends="check-database"
 		description="Copy orc files">
-	  
-		<copy todir="${resources.dir}/datafiles/presets">
+
+		<fail message="NOTE: ${line.separator}
+The component database is now a submodule, and must be included into ${line.separator}
+this project to build the .jar file. ${line.separator}
+${line.separator}
+If you retrieved this code by cloning the openrocket repository, you ${line.separator}
+must initialize and update the submodule.  From the command line, ${line.separator}
+this can be accomplished with ${line.separator}
+% git submodule init ${line.separator}
+% git submodule update ${line.separator}
+${line.separator}
+If you retrieved this code by downloading and uncompressing a zip file, ${line.separator}
+you must do the same for the submodule.  Download the code ${line.separator}
+from https://github.com/dbcook/openrocket-database and uncompress it.${line.separator}
+Copy the files and directories under the openrocket-database-master ${line.separator}
+into ${resources-src.dir}/datafiles/components/ ${line.separator}
+${line.separator}
+After including the database submodule, you will be able to build
+${line.separator}
+the .jar file
+">
+	  		<condition>
+				<not>
+					<isset property="database" />
+				</not>
+			</condition>
+	  	</fail>
+	  	<copy todir="${resources.dir}/datafiles/presets">
 			<fileset dir="${resources-src.dir}/datafiles/legacy_components"/>
-		 </copy>
-		<copy todir="${resources.dir}/datafiles/presets">
+	  	</copy>
+	  	<copy todir="${resources.dir}/datafiles/presets">
 			<fileset dir="${resources-src.dir}/datafiles/components/orc"/>
-		 </copy>
+	  	</copy>
 	</target>
 
 	<!-- DIST-SRC -->