Add a plugin that makes it easier to use the gradle wrapper if a proj…

…ect has one.

plugins/available/gradle.plugin.bash

@@ -0,0 +1,22 @@
+cite about-plugin
+about-plugin 'Add a gw command to use gradle wrapper if present, else use system gradle'
+
+function gw() {
+  local file="gradlew"
+  local curr_path="${PWD}"
+  local result="gradle"
+
+  # Search recursively upwards for file.
+  until [[ "${curr_path}" == "/" ]]; do
+    if [[ -e "${curr_path}/${file}" ]]; then
+      result="${curr_path}/${file}"
+      break
+    else
+      curr_path=$(dirname "${curr_path}")
+    fi
+  done
+
+  # Call gradle
+  "${result}" $*
+}
+