fix(config): print boolean values correctly on Lua 5.1

2 files changed, 19 insertions, 1 deletions

diff --git a/spec/config_spec.lua b/spec/config_spec.lua
index 05da0007..98fcb24c 100644
--- a/spec/config_spec.lua
+++ b/spec/config_spec.lua
@@ -238,6 +238,20 @@ describe("LuaRocks config tests #integration", function()
          end, finally)
       end)
 
+      it("writes a boolean config key", function()
+         test_env.run_in_tmp(function(tmpdir)
+            local myproject = tmpdir .. "/myproject"
+            lfs.mkdir(myproject)
+            lfs.chdir(myproject)
+
+            assert(run.luarocks("init"))
+            assert.truthy(run.luarocks_bool("config hooks_enabled true"))
+
+            local output = run.luarocks("config hooks_enabled")
+            assert.match("true", output)
+         end, finally)
+      end)
+
       it("writes an array config key", function()
          test_env.run_in_tmp(function(tmpdir)
             local myproject = tmpdir .. "/myproject"
diff --git a/src/luarocks/cmd/config.lua b/src/luarocks/cmd/config.lua
index 0e7a3e3d..a01d33a9 100644
--- a/src/luarocks/cmd/config.lua
+++ b/src/luarocks/cmd/config.lua
@@ -219,7 +219,11 @@ local function write_entries(keys, scope, do_unset)
          if do_unset then
             print(("\t%s"):format(var))
          else
-            print(("\t%s = %q"):format(var, val))
+            if type(val) == "string" then
+               print(("\t%s = %q"):format(var, val))
+            else
+               print(("\t%s = %s"):format(var, tostring(val)))
+            end
          end
       end
       print(do_unset and "from" or "to")