1 files changed, 8 insertions, 8 deletions

diff --git a/src/luarocks/deps.lua b/src/luarocks/deps.lua
index f02070a6..f335ebc0 100644
--- a/src/luarocks/deps.lua
+++ b/src/luarocks/deps.lua
@@ -333,14 +333,14 @@ function deps.fulfill_dependencies(rockspec, depskey, deps_mode, verify, deplock
       if okfulfill then
          deplocks.add(depskey, depq.name, found_or_err)
       else
-
-
-
-
-
-
-
-
+         if depq.constraints and depq.constraints[1] and depq.constraints[1].no_upgrade then
+            util.printerr("This version of " .. name .. " is designed for use with")
+            util.printerr(tostring(depq) .. ", but is configured to avoid upgrading it")
+            util.printerr("automatically. Please upgrade " .. depq.name .. " with")
+            util.printerr("   luarocks install " .. depq.name)
+            util.printerr("or look for a suitable version of " .. name .. " with")
+            util.printerr("   luarocks search " .. name)
+         end
          return nil, found_or_err
       end
    end