Adjust darwin build configuration to new project structure.

platform-darwin/Scripts/updateDependencies

@@ -0,0 +1,41 @@
+#!/usr/bin/env bash
+# This script should be in the 'Scripts' directory under the git repository's root.
+cd "${BASH_SOURCE%/*}/.."
+shopt -s extglob
+
+
+## Submodules that need to be checked out.
+dependencies=( External/{InAppSettingsKit,Pearl{,:External/jrswizzle,:External/uicolor-utilities},RHStatusItemView} )
+
+## Custom migration.
+# None yet.
+
+
+################################################################################
+isCheckedOut() {
+    local modulePath=$1
+    ! git submodule status | grep -q "^-[^ ]* $modulePath"
+}
+
+# git submodule sync -- A bug causes this to init ALL external dependencies.
+git submodule sync $(git submodule status | awk '/^ / { print $2 }')
+
+
+# Check out our missing dependencies
+for dependency in "${dependencies[@]}"; do
+    [[ $dependency = *:* ]] && root=${dependency%%:*} || root=.
+    path=${dependency#*:}
+    ( cd "$root"; git submodule update --init "$path" )
+done
+
+
+# Update our modules
+git submodule update
+
+
+# Our modules may define a custom update script, if so, run it.
+find !(Scripts)/ -name "${BASH_SOURCE##*/}" -exec {} \;
+
+
+# Finally, for our modules that haven't got a custom update script, update them recursively.
+git submodule update --recursive --rebase