From b7d401af503e3e9d69931c111a21c6608e5f2e7e Mon Sep 17 00:00:00 2001
From: Mitchell Hanberg <mitch@mitchellhanberg.com>
Date: Wed, 7 Jun 2023 23:59:58 -0400
Subject: [PATCH] feat(credo): auto install latest version

---
 bin/credo-language-server |  2 +-
 lua/elixir/init.lua       |  5 ++---
 lua/elixir/utils.lua      | 11 +++++++++++
 3 files changed, 14 insertions(+), 4 deletions(-)

diff --git a/bin/credo-language-server b/bin/credo-language-server
index b50aebc2..5ec88a68 100755
--- a/bin/credo-language-server
+++ b/bin/credo-language-server
@@ -2,6 +2,6 @@
 
 System.no_halt(true)
 
-Mix.install([ {:credo_language_server, System.get_env("CREDO_LSP_VERSION")}, ])
+Mix.install([{:credo_language_server, System.get_env("CREDO_LSP_VERSION")}])
 
 Application.ensure_all_started(:credo_language_server)
diff --git a/lua/elixir/init.lua b/lua/elixir/init.lua
index 714a57f8..1ba8bd56 100644
--- a/lua/elixir/init.lua
+++ b/lua/elixir/init.lua
@@ -2,6 +2,7 @@ local elixirls = require("elixir.elixirls")
 local credo = require("elixir.credo")
 local mix = require("elixir.mix")
 local projectionist = require("elixir.projectionist")
+local utils = require("elixir.utils")
 
 local M = {}
 
@@ -16,8 +17,6 @@ M.credo.default_bin = (
   vim.fn.fnamemodify(debug.getinfo(1).source, ":h") .. "/../../bin/credo-language-server"
 ):gsub("^@", "")
 
-M.credo.default_version = "0.0.5"
-
 local enabled = function(value)
   return value == nil or value == true
 end
@@ -33,7 +32,7 @@ function M.setup(opts)
   end
 
   if not opts.credo.version then
-    opts.credo.version = M.credo.default_version
+    opts.credo.version = utils.latest_release("elixir-tools", "credo-language-server")
   end
 
   mix.setup()
diff --git a/lua/elixir/utils.lua b/lua/elixir/utils.lua
index 90a6bb83..52716e41 100644
--- a/lua/elixir/utils.lua
+++ b/lua/elixir/utils.lua
@@ -22,4 +22,15 @@ function M.root_dir(fname)
   return vim.fs.dirname(maybe_umbrella_path or child_or_root_path)
 end
 
+function M.latest_release(owner, repo)
+  local curl = string.format(
+    [[curl --silent -L -H "Accept: application/vnd.github+json" -H "X-GitHub-Api-Version: 2022-11-28" https://api.github.com/repos/%s/%s/releases/latest]],
+    owner,
+    repo
+  )
+  local resp = vim.json.decode(vim.fn.system(curl))
+
+  return resp and resp.tag_name or nil
+end
+
 return M