diff --git a/lib/svn.zsh b/lib/svn.zsh
new file mode 100644
index 000000000..54d23b45c
--- /dev/null
+++ b/lib/svn.zsh
@@ -0,0 +1,16 @@
+# utility functions for subversion
+# based on oh-my-zsh git lib module
+
+function svn_dirty {
+    if [[ -n $(svn status) ]]; then
+        echo "$ZSH_THEME_SVN_PROMPT_DIRTY"
+    else
+        echo "$ZSH_THEME_SVN_PROMPT_CLEAN"
+    fi
+}
+
+function svn_prompt_info {
+    info=$(svn info 2>/dev/null) || return
+    rev=$(echo "$info" | grep Revision | sed 's/Revision: //')
+    echo "${ZSH_THEME_GIT_PROMPT_PREFIX}r${rev}$(svn_dirty)${ZSH_THEME_GIT_PROMPT_SUFFIX}"
+}