From a39fa0f0ced7324800eff0a4eb0ed68bf13452d1 Mon Sep 17 00:00:00 2001
From: Folke Lemaitre <folke.lemaitre@gmail.com>
Date: Sun, 8 Jan 2023 08:04:34 +0100
Subject: [PATCH] feat(git): added fast `Git.get_origin` and `Git.get_config`

---
 lua/lazy/manage/git.lua | 32 ++++++++++++++++++++++++++++++++
 tests/core/e2e_spec.lua |  4 ++++
 2 files changed, 36 insertions(+)

diff --git a/lua/lazy/manage/git.lua b/lua/lazy/manage/git.lua
index f104c5ee..76f7009f 100644
--- a/lua/lazy/manage/git.lua
+++ b/lua/lazy/manage/git.lua
@@ -193,4 +193,36 @@ function M.get_tag_refs(repo, tagref)
   return tags
 end
 
+---@param repo string
+function M.get_origin(repo)
+  return M.get_config(repo)["remote.origin.url"]
+end
+
+---@param repo string
+function M.get_config(repo)
+  local ok, config = pcall(Util.read_file, repo .. "/.git/config")
+  if not ok then
+    return {}
+  end
+  ---@type table<string, string>
+  local ret = {}
+  ---@type string
+  local current_section = nil
+  for line in config:gmatch("[^\n]+") do
+    -- Check if the line is a section header
+    local section = line:match("^%s*%[(.+)%]%s*$")
+    if section then
+      ---@type string
+      current_section = section:gsub('%s+"', "."):gsub('"+%s*$', "")
+    else
+      -- Ignore comments and blank lines
+      if not line:match("^%s*#") and line:match("%S") then
+        local key, value = line:match("^%s*(%S+)%s*=%s*(.+)%s*$")
+        ret[current_section .. "." .. key] = value
+      end
+    end
+  end
+  return ret
+end
+
 return M
diff --git a/tests/core/e2e_spec.lua b/tests/core/e2e_spec.lua
index db591551..a7d02fc5 100644
--- a/tests/core/e2e_spec.lua
+++ b/tests/core/e2e_spec.lua
@@ -1,3 +1,5 @@
+local Git = require("lazy.manage.git")
+
 describe("lazy", function()
   before_each(function()
     vim.g.lazy_did_setup = false
@@ -31,5 +33,7 @@ describe("lazy", function()
     assert(not neodev)
     assert(Config.plugins["neodev.nvim"]._.installed)
     assert(not Config.plugins["neodev.nvim"]._.is_local)
+    assert.equal("https://github.com/folke/neodev.nvim.git", Git.get_origin(Config.plugins["neodev.nvim"].dir))
+    assert.equal("https://github.com/folke/paint.nvim.git", Git.get_origin(Config.plugins["paint.nvim"].dir))
   end)
 end)