feat: implement stash view

Author: tanvirtin

lua/vgit.lua

@@ -214,6 +214,7 @@ controller.execute_command = event.async(function(args)
     status = true,
     branch = true,
     debug = true,
+    stash = true,
   }
 
   if porcelain_commands[cmd] then

lua/vgit/cli/commands/stash.lua

@@ -0,0 +1,119 @@
+local lazy = require('vgit.core.lazy')
+local event = lazy('vgit.core.event')
+local console = lazy('vgit.core.console')
+local git_stash = lazy('vgit.git.git_stash')
+local repository = lazy('vgit.git.repository')
+local display_service = lazy('vgit.ui.display_service')
+
+local stash_command = {}
+
+local function parse_args(args)
+  local opts = { action = 'screen', index = nil }
+  if not args or #args == 0 then return opts end
+
+  local first = args[1]
+
+  if first == 'add' then
+    opts.action = 'add'
+  elseif first == 'pop' then
+    opts.action = 'pop'
+    opts.index = args[2] and tonumber(args[2]) or 0
+  elseif first == 'apply' then
+    opts.action = 'apply'
+    opts.index = args[2] and tonumber(args[2]) or 0
+  elseif first == 'drop' then
+    opts.action = 'drop'
+    opts.index = args[2] and tonumber(args[2]) or 0
+  elseif first == 'clear' then
+    opts.action = 'clear'
+  end
+
+  return opts
+end
+
+stash_command.execute = event.async(function(args)
+  args = args or {}
+  local opts = parse_args(args)
+
+  event.await()
+
+  local repo, repo_err = repository.current()
+  if repo_err then
+    console.error(repo_err)
+    return
+  end
+
+  local repo_path = repo:get_path()
+
+  if opts.action == 'add' then
+    local _, err = git_stash.add(repo_path)
+    if err then
+      console.error(err[1] or tostring(err))
+      return
+    end
+    console.info('Changes stashed')
+    return
+  end
+
+  if opts.action == 'pop' then
+    local stash_ref = string.format('stash@{%d}', opts.index)
+    local _, err = git_stash.pop(repo_path, stash_ref)
+    if err then
+      console.error(err[1] or tostring(err))
+      return
+    end
+    console.info('Stash popped: ' .. stash_ref)
+    return
+  end
+
+  if opts.action == 'apply' then
+    local stash_ref = string.format('stash@{%d}', opts.index)
+    local _, err = git_stash.apply(repo_path, stash_ref)
+    if err then
+      console.error(err[1] or tostring(err))
+      return
+    end
+    console.info('Stash applied: ' .. stash_ref)
+    return
+  end
+
+  if opts.action == 'drop' then
+    local stash_ref = string.format('stash@{%d}', opts.index)
+    local _, err = git_stash.drop(repo_path, stash_ref)
+    if err then
+      console.error(err[1] or tostring(err))
+      return
+    end
+    console.info('Stash dropped: ' .. stash_ref)
+    return
+  end
+
+  if opts.action == 'clear' then
+    local _, err = git_stash.clear(repo_path)
+    if err then
+      console.error(err[1] or tostring(err))
+      return
+    end
+    console.info('All stashes cleared')
+    return
+  end
+
+  -- Default: show stash screen
+  local stashes, list_err = git_stash.list(repo_path)
+  if list_err then
+    console.error(list_err[1] or tostring(list_err))
+    return
+  end
+
+  if not stashes or #stashes == 0 then
+    console.info('No stashes found')
+    return
+  end
+
+  display_service.show_stash({
+    stashes = stashes,
+    repo = repo,
+  })
+end)
+
+return stash_command