vers: add extra metamethod needed by Lua 5.4 (#1088)

1 files changed, 6 insertions, 0 deletions

diff --git a/src/luarocks/core/vers.lua b/src/luarocks/core/vers.lua
index c8c66a1f..e680f70b 100644
--- a/src/luarocks/core/vers.lua
+++ b/src/luarocks/core/vers.lua
@@ -56,6 +56,12 @@ local version_mt = {
       end
       return false
    end,
+   -- @param v1 table: version table to compare.
+   -- @param v2 table: version table to compare.
+   -- @return boolean: true if v1 is considered lower than or equal to v2.
+   __le = function(v1, v2)
+       return not (v2 < v1)
+   end,
    --- Return version as a string.
    -- @param v The version table. 
    -- @return The string representation.