diff --git a/tools/unix/maps/settings.sh.dist b/tools/unix/maps/settings.sh.prod
similarity index 100%
rename from tools/unix/maps/settings.sh.dist
rename to tools/unix/maps/settings.sh.prod
diff --git a/tools/unix/maps/settings_default.sh b/tools/unix/maps/settings_default.sh
new file mode 100644
index 000000000..7722022cd
--- /dev/null
+++ b/tools/unix/maps/settings_default.sh
@@ -0,0 +1,12 @@
+# NOTE: edit the settings.sh file to customize/override the defaults.
+
+# Absolutize & normalize paths.
+REPO_PATH="${REPO_PATH:-$(cd "$(dirname "$0")/../../.."; pwd -P)}"
+
+BASE_PATH="${BASE_PATH:-$REPO_PATH/../maps}"
+# Temporary files
+BUILD_PATH="${BUILD_PATH:-$BASE_PATH/build}"
+# Other code repositories, e.g. subways, wikiparser..
+CODE_PATH="${CODE_PATH:-$REPO_PATH/..}"
+# Source map data and processed outputs e.g. wiki articles
+DATA_PATH="${DATA_PATH:-$BASE_PATH/data}"