Programmatically get the path for installations

[oldgalileo]

How can you get the path to the install point for codelldb (for example)?

[williamboman]

I haven't fully figured out the nicest way this could be done, so the following is subject to change in the future, but for now you can do this:

local mason_registry = require("mason-registry")
local codelldb = mason_registry.get_package("codelldb") -- note that this will error if you provide a non-existent package name
codelldb:get_install_path() -- returns a string like "/home/user/.local/share/nvim/mason/packages/codelldb"

[przbadu]

In my case, I have installed codelldb using MasonInstall and also if I go to "/home/user/.local/share/nvim/mason/packages/codelldb" path, I can clearly see codelldb is available and still when I open a rust file I see following error:

[przbadu]

I have following configuration:

local rt = require('rust-tools')
local mason_registry = require('mason-registry')

local codelldb = mason_registry.get_package("codelldb") -- note that this will error if you provide a non-existent package name
codelldb:get_install_path() -- returns a string like "/home/user/.local/share/nvim/mason/packages/codelldb"

local extension_path = codelldb:get_install_path() .. "/extension/"
local codelldb_path = extension_path .. "adapter/codelldb"
local liblldb_path = extension_path .. "lldb/lib/liblldb.so"

rt.setup({
  dap = {
    adapter = require("rust-tools.dap").get_codelldb_adapter(codelldb_path, liblldb_path),
  },
  server = {
    on_attach = function(_, bufnr)
      -- Hover actions
      vim.keymap.set("n", "<Leader>k", rt.hover_actions.hover_actions, { buffer = bufnr })
      -- Code action groups
      vim.keymap.set("n", "<Leader>a", rt.code_action_group.code_action_group, { buffer = bufnr })
    end,
  },
  tools = {
    hover_actions = {
      auto_focus = true,
    }
  }
})

[DuyTC1811]

i also config like you but not working

[TomzBench]

I had the same error (Cannot find package codelldb) ..however, it is because I tried to call get_package() before calling mason setup

[svfat]

@TomzBench thanks, I am using lazy.nvim and your comment has helped me to solve the issue. Not sure if it is a right approach or not, but it seems I fixed it by calling mason setup in the config

{
    'williamboman/mason.nvim',
    config = function()
        require("mason").setup({})
    end
},