MBS as default shell

1 files changed, 58 insertions, 0 deletions

diff --git a/.mbs/modules/lua.lua b/.mbs/modules/lua.lua
new file mode 100644
index 0000000..d9453e6
--- /dev/null
+++ b/.mbs/modules/lua.lua
@@ -0,0 +1,58 @@
+local function lib_load(path, name)
+  if not _G[name] then
+    os.loadAPI(fs.combine(path, "lib/" .. name .. ".lua"))
+    if not _G[name] then _G[name] = _G[name .. ".lua"] end
+  end
+end
+
+return {
+  description = "Replaces the Lua REPL with an advanced version.",
+
+  dependencies = {
+    "bin/lua.lua",
+    "lib/stack_trace.lua"
+  },
+
+  -- When updating the defaults, one should also update bin/lua.lua
+  settings = {
+    {
+      name = "mbs.lua.enabled",
+      description = "Whether the extended Lua REPL is enabled.",
+      default = true,
+    },
+    {
+      name = "mbs.lua.history_file",
+      description = "The file to save history to. Set to false to disable.",
+      default = ".lua_history",
+    },
+    {
+      name = "mbs.lua.history_max",
+      description = "The maximum size of the history file",
+      default = 1e4,
+    },
+    {
+      name = "mbs.lua.traceback",
+      description = "Show an error traceback when an input errors",
+      default = true,
+    },
+    {
+      name= "mbs.lua.pretty_height",
+      description = "The height to fit the pretty-printer output to. Set to "
+        .. "false to disable, true to use the terminal height or a number for a constant height.",
+      default = true,
+    },
+    {
+      name= "mbs.lua.highlight",
+      description = "Whether to apply syntax highlighting to the REPL's input.",
+      default = true,
+    },
+  },
+
+  enabled = function() return settings.get("mbs.lua.enabled") end,
+
+  setup = function(path)
+    lib_load(path, "stack_trace")
+
+    shell.setAlias("lua", "/" .. fs.combine(path, "bin/lua.lua"))
+  end
+}
\ No newline at end of file