UTIL: Add rm_rf function to gitano.util

1 files changed, 32 insertions, 0 deletions

diff --git a/lib/gitano/util.lua b/lib/gitano/util.lua
index f2db189..c8834d3 100644
--- a/lib/gitano/util.lua
+++ b/lib/gitano/util.lua
@@ -151,6 +151,37 @@ local function mkdir_p(path, mode)
    return true
 end
 
+local function rm_rf(path)
+   local ret, err, dirp
+   dirp, err = luxio.opendir(path)
+   if not dirp then
+      return false, luxio.strerror(err)
+   end
+   local e, i
+   repeat
+      e, i = luxio.readdir(dirp)
+      if e == 0 then
+	 if i.d_name ~= "." and i.d_name ~= ".." then
+	    local elem = path .. "/" .. i.d_name
+	    ret, err = luxio.unlink(elem)
+	    if ret ~= 0 and err == luxio.EISDIR then
+	       ret, err = rm_rf(elem)
+	       if not ret then
+		  return ret, err
+	       end
+	    elseif ret ~= 0 then
+	       return false, luxio.strerror(err)
+	    end
+	 end
+      end
+   until not e
+
+   -- explicitly close the dir so we can remove it
+   luxio.closedir(dirp)
+   ret, err = luxio.rmdir(path)
+   return (ret == 0), luxio.strerror(err)
+end
+
 local function html_escape(s)
    return (s:gsub("&", "&"):
 	   gsub("<", "&lt;"):
@@ -294,6 +325,7 @@ return {
    basename = basename,
 
    mkdir_p = mkdir_p,
+   rm_rf = rm_rf,
 
    html_escape = html_escape,