2 files changed, 9 insertions, 11 deletions

diff --git a/src/luarocks/fs/lua.lua b/src/luarocks/fs/lua.lua
index a31cbb4e..41711eab 100644
--- a/src/luarocks/fs/lua.lua
+++ b/src/luarocks/fs/lua.lua
@@ -30,17 +30,6 @@ local dir_stack = {}
 
 local dir_separator = "/"
 
---- Quote argument for shell processing.
--- Adds single quotes and escapes.
--- @param arg string: Unquoted argument.
--- @return string: Quoted argument.
-function fs_lua.Q(arg)
-   assert(type(arg) == "string")
-
-   -- FIXME Unix-specific
-   return "'" .. arg:gsub("'", "'\\''") .. "'"
-end
-
 --- Test is file/dir is writable.
 -- Warning: testing if a file/dir is writable does not guarantee
 -- that it will remain writable and therefore it is no replacement
diff --git a/src/luarocks/fs/unix.lua b/src/luarocks/fs/unix.lua
index 5c6b542c..e2bdc7b8 100644
--- a/src/luarocks/fs/unix.lua
+++ b/src/luarocks/fs/unix.lua
@@ -22,6 +22,15 @@ function unix.quiet_stderr(cmd)
    return cmd.." 2> /dev/null"
 end
 
+--- Quote argument for shell processing.
+-- Adds single quotes and escapes.
+-- @param arg string: Unquoted argument.
+-- @return string: Quoted argument.
+function unix.Q(arg)
+   assert(type(arg) == "string")
+   return "'" .. arg:gsub("'", "'\\''") .. "'"
+end
+
 --- Return an absolute pathname from a potentially relative one.
 -- @param pathname string: pathname to convert.
 -- @param relative_to string or nil: path to prepend when making