From ff861b8d480be03bcd3aa8d80d32f54391019718 Mon Sep 17 00:00:00 2001
From: NTBBloodbath <captainspark365@gmail.com>
Date: Fri, 26 Mar 2021 05:02:58 -0400
Subject: [PATCH] health: basic checkhealth integration

---
 autoload/{doom/health.vim => health/doom.vim} |  5 +-
 lua/doom/health.lua                           | 76 +++++++++++++++++++
 2 files changed, 79 insertions(+), 2 deletions(-)
 rename autoload/{doom/health.vim => health/doom.vim} (55%)
 create mode 100644 lua/doom/health.lua

diff --git a/autoload/doom/health.vim b/autoload/health/doom.vim
similarity index 55%
rename from autoload/doom/health.vim
rename to autoload/health/doom.vim
index 004a913..3424ae9 100644
--- a/autoload/doom/health.vim
+++ b/autoload/health/doom.vim
@@ -4,6 +4,7 @@
 " License: MIT
 "================================================
 
-function! doom#health() abort
-    call doom#logging#message('+', 'Checking health', 2)
+function! health#doom#check() abort
+    call doom#logging#message('+', 'Checking Doom health ...', 2)
+    lua require('doom.health').checkhealth()
 endfunction
diff --git a/lua/doom/health.lua b/lua/doom/health.lua
new file mode 100644
index 0000000..d9d817b
--- /dev/null
+++ b/lua/doom/health.lua
@@ -0,0 +1,76 @@
+---[[----------]]---
+--    Wrappers    --
+---]]----------[[---
+local fn = vim.fn
+local api = vim.api
+
+-- Health status
+local health_start = vim.fn['health#report_start']
+local health_ok    = vim.fn['health#report_ok']
+local health_error = vim.fn['health#report_error']
+local health_warn  = vim.fn['health#report_warn']
+
+local M = {}
+
+-- Installation health
+local function install_health()
+    health_start('Installation')
+
+    ---[[-----------------------]]---
+    --    REQUIRED DEPENDENCIES    --
+    ---]]-----------------------[[---
+    -- Check Git
+    if fn.executable('git') == 0 then
+        health_error('`git` executable not found.', {
+            'Install it with your package manager.',
+            'Check that your `$PATH` is set correctly.'
+        })
+    else
+        health_ok('`git` executable found.')
+    end
+
+    ---[[-----------------------]]---
+    --    OPTIONAL DEPENDENCIES    --
+    ---]]-----------------------[[---
+    -- Ripgrep and fd
+    if fn.executable('rg') == 0 then
+        health_warn('`rg` executable not found.', {
+            'Required to improve file indexing performance for some commands',
+            'Ignore this message if you have `fd` installed.'
+        })
+    else
+        health_ok('`rg` executable found.')
+    end
+    if fn.executable('fd') == 0 then
+               health_warn('`fd` executable not found.', {
+            'Required to improve file indexing performance for some commands',
+            'Ignore this message if you have `rg` installed.'
+        })
+    else
+        health_ok('`fd` executable found.')
+    end
+
+    -- Check NodeJS and NPM
+    if fn.executable('node') == 0 then
+        health_warn('`node` executable not found.', {
+            'Required by the built-in LSP to work, you should need to install it if you want to use LSP.'
+        })
+    else
+        health_ok('`node` executable found.')
+    end
+    if fn.executable('npm') == 0 then
+        health_warn('`npm` executable not found.', {
+            'Required by the built-in LSP to work, you should need to install it if you want to use LSP.',
+            'If node is installed but npm is not, you should need to install it with your package manager'
+        })
+    else
+        health_ok('`npm` executable found.')
+    end
+end
+
+function M.checkhealth()
+    -- Installation checks
+    install_health()
+end
+
+return M