first commit

configure

@@ -0,0 +1,36 @@
+#!/bin/sh
+
+usage() {
+  echo "Usage: $0 [OPTION]"
+  echo 
+  echo "Configuration:"
+  echo "  --help                 display this help and exit"
+  echo "  --with-pgport=NUM      access PostgreSQL server on TCP port NUM"
+}
+
+PGPORT=5432
+
+while test -n "$1"; do
+  case "$1" in
+    --help|-h)
+      usage
+      exit 0
+      ;;
+    --with-pgport=*)
+      PGPORT=`echo "$1" | cut -d= -f2`
+      ;;
+    *)
+      echo "Unused option '$1'" >&2
+      ;;
+  esac
+  shift
+done
+
+echo "PGPORT: $PGPORT"
+
+# TODO: allow specifying configuration settings !
+for f in config/environments/*.example; do
+  o=`dirname "$f"`/`basename "$f" .example`
+  echo "Writing $o"
+  sed "s/\( *module.exports.db_port[ \t]*= *'\?\)[^';]*\('\?;\)/\1$PGPORT\2/" < "$f" > "$o"
+done