From a9e51f8793073b1b0019d90b8890bd270d5347a8 Mon Sep 17 00:00:00 2001
From: rootiest <chris@rootiest.com>
Date: Sat, 15 Feb 2025 21:29:31 -0500
Subject: [PATCH] =?UTF-8?q?=E2=9C=A8=20Feat(statuscolumn):=20implements=20?=
 =?UTF-8?q?coloring=20line=20numbers=20based=20on=20diagnostic=20status?=
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This allows the line numbers to reflect statuses like Error, Warning, etc
---
 lua/config/statuscolumn.lua | 34 ++++++++++++++++++++++++++++++++++
 1 file changed, 34 insertions(+)

diff --git a/lua/config/statuscolumn.lua b/lua/config/statuscolumn.lua
index c81a756..fbef10c 100644
--- a/lua/config/statuscolumn.lua
+++ b/lua/config/statuscolumn.lua
@@ -92,6 +92,40 @@ _G.CustomStatusColumn = function()
 
   -- Use the plugin's original status column
   local original_statuscolumn = require('snacks.statuscolumn').get()
+  -- local original_statuscolumn = [[%=%{v:relnum?v:relnum:v:lnum}]]
+  -- local original_statuscolumn =
+  --   [[%#NonText#%{&nu?v:lnum:""}%=%{&rnu&&(v:lnum%2)?"\ ".v:relnum:""}%#LineNr#%{&rnu&&!(v:lnum%2)?"\ ".v:relnum:""}]]
+  -- -- Obtain the current buffer explicitly
+  -- local bufnr = vim.api.nvim_get_current_buf() -- Correctly get the current buffer
+  --
+  -- -- Get gitstatus
+  -- local git_status = 'none'
+  -- if lnum then
+  --   git_status = check_git_signs(lnum, bufnr) -- Pass the buffer number to the function
+  -- end
+
+  -- Check for diagnostics on the current line
+  local diagnostics = vim.diagnostic.get(0, { lnum = lnum - 1 }) -- Get diagnostics for the current line (subtract 1 for 0-based index)
+  local highlight_group = nil
+
+  -- Loop through diagnostics to determine highlight group based on severity
+  for _, diagnostic in ipairs(diagnostics) do
+    if diagnostic.severity == vim.diagnostic.severity.ERROR then
+      highlight_group = 'DiagnosticSignError'
+      break
+    elseif diagnostic.severity == vim.diagnostic.severity.WARN then
+      highlight_group = 'DiagnosticSignWarn'
+    elseif diagnostic.severity == vim.diagnostic.severity.INFO then
+      highlight_group = 'DiagnosticSignInfo'
+    elseif diagnostic.severity == vim.diagnostic.severity.HINT then
+      highlight_group = 'DiagnosticSignHint'
+    end
+  end
+
+  -- Highlight for lines with diagnostics
+  if highlight_group then
+    return '%#' .. highlight_group .. '#' .. original_statuscolumn .. '%*' -- Use the corresponding highlight for this line
+  end
 
   -- Highlight for the current line
   if lnum == cursor_lnum then