vis-lockfiles - detect concurrent edits

This is a simple vis plugin to detect if a file is concurrently edited by multiple vis processes.

Configuration

By default, the lockfiles will be placed in ${XDG_STATE_HOME:-${HOME}/.local/state}/vis/locks/.

• The directory member of the module table can be used to define the lock file location.
• The backend member can be used to specify one of the supported backends: whiptail or vis-menu. Additionally, it can provide a custom backend function with the following signature f(filename, lockfilename, lockpid) => bool, ['a', 'e', 'q'].

local lockfiles = require('plugins/vis-lockfiles')
lockfiles.direcory = '$HOME'