Add .gitignore and .ratignore files for various directories

guacamole-docker/build.d/999-verify-sanity.sh

@@ -0,0 +1,47 @@
+#
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+#
+
+##
+## @fn 999-verify-sanity.sh
+##
+## Performs sanity checks on the results of the build that verify the image
+## contains everything it is expected to contain, including all built
+## extensions. If symbolic links were not correctly constructed, or some built
+## extensions were not mapped to environment variable prefixes, this script
+## will log errors and fail the build.
+##
+
+# Perform basic sanity checks that the symbolic links used to associated
+# environment variables with extensions/libraries have been correctly created,
+# bailing out if any problems are found.
+(
+
+    # Search for any broken symbolic links intended to map files for
+    # environment variables
+    find "$DESTINATION/environment/" -xtype l | sed 's/^/Broken link: /'
+
+    # Search for extensions that have not been mapped to any environment
+    # variables at all
+    comm -23 \
+        <(find "$DESTINATION/extensions/" -name "*.jar" -exec realpath "{}" ";" | sort -u) \
+        <(find "$DESTINATION/environment/" -path "**/extensions/*.jar" -exec realpath "{}" ";" | sort -u) \
+        | sed 's/^/Unmapped extension: /'
+
+) | sed 's/^/ERROR: /' | (! grep .) >&2 || exit 1
+