phase 1 mvp

lua/nvim-claude/git.lua

@@ -0,0 +1,138 @@
+-- Git operations module for nvim-claude
+local M = {}
+local utils = require('nvim-claude.utils')
+
+M.config = {}
+
+function M.setup(config)
+  M.config = config or {}
+end
+
+-- Check if git worktrees are supported
+function M.supports_worktrees()
+  local result = utils.exec('git worktree list 2>/dev/null')
+  return result ~= nil and not result:match('error')
+end
+
+-- Get list of existing worktrees
+function M.list_worktrees()
+  local result = utils.exec('git worktree list --porcelain')
+  if not result then return {} end
+  
+  local worktrees = {}
+  local current = {}
+  
+  for line in result:gmatch('[^\n]+') do
+    if line:match('^worktree ') then
+      if current.path then
+        table.insert(worktrees, current)
+      end
+      current = { path = line:match('^worktree (.+)') }
+    elseif line:match('^HEAD ') then
+      current.head = line:match('^HEAD (.+)')
+    elseif line:match('^branch ') then
+      current.branch = line:match('^branch (.+)')
+    end
+  end
+  
+  if current.path then
+    table.insert(worktrees, current)
+  end
+  
+  return worktrees
+end
+
+-- Create a new worktree
+function M.create_worktree(path, branch)
+  branch = branch or 'main'
+  
+  -- Check if worktree already exists
+  local worktrees = M.list_worktrees()
+  for _, wt in ipairs(worktrees) do
+    if wt.path == path then
+      return true, wt
+    end
+  end
+  
+  -- Create worktree
+  local cmd = string.format('git worktree add "%s" "%s" 2>&1', path, branch)
+  local result, err = utils.exec(cmd)
+  
+  if err then
+    return false, result
+  end
+  
+  return true, { path = path, branch = branch }
+end
+
+-- Remove a worktree
+function M.remove_worktree(path)
+  local cmd = string.format('git worktree remove "%s" --force 2>&1', path)
+  local _, err = utils.exec(cmd)
+  return err == nil
+end
+
+-- Add entry to .gitignore
+function M.add_to_gitignore(pattern)
+  local gitignore_path = utils.get_project_root() .. '/.gitignore'
+  
+  -- Read existing content
+  local content = utils.read_file(gitignore_path) or ''
+  
+  -- Check if pattern already exists
+  if content:match('\n' .. pattern:gsub('([%(%)%.%%%+%-%*%?%[%]%^%$])', '%%%1') .. '\n') or
+     content:match('^' .. pattern:gsub('([%(%)%.%%%+%-%*%?%[%]%^%$])', '%%%1') .. '\n') then
+    return true
+  end
+  
+  -- Append pattern
+  if not content:match('\n$') and content ~= '' then
+    content = content .. '\n'
+  end
+  content = content .. pattern .. '\n'
+  
+  return utils.write_file(gitignore_path, content)
+end
+
+-- Get current branch
+function M.current_branch()
+  local result = utils.exec('git branch --show-current 2>/dev/null')
+  if result then
+    return result:gsub('\n', '')
+  end
+  return nil
+end
+
+-- Get git status
+function M.status(path)
+  local cmd = 'git status --porcelain'
+  if path then
+    cmd = string.format('cd "%s" && %s', path, cmd)
+  end
+  
+  local result = utils.exec(cmd)
+  if not result then return {} end
+  
+  local files = {}
+  for line in result:gmatch('[^\n]+') do
+    local status, file = line:match('^(..) (.+)$')
+    if status and file then
+      table.insert(files, { status = status, file = file })
+    end
+  end
+  
+  return files
+end
+
+-- Get diff between two paths
+function M.diff(path1, path2)
+  local cmd = string.format(
+    'git diff --no-index --name-status "%s" "%s" 2>/dev/null',
+    path1,
+    path2
+  )
+  local result = utils.exec(cmd)
+  return result or ''
+end
+
+return M