nvim-tree.lua/lua/nvim-tree/git/runner.lua

100 lines
2.5 KiB
Lua

local uv = vim.loop
local utils = require'nvim-tree.utils'
local Runner = {}
Runner.__index = Runner
function Runner:_parse_status_output(line)
local status = line:sub(1, 2)
-- removing `"` when git is returning special file status containing spaces
local path = line:sub(4, -2):gsub('^"', ''):gsub('"$', '')
if #status > 0 and #path > 0 then
self.output[utils.path_remove_trailing(utils.path_join({self.project_root,path}))] = status
end
return #line
end
function Runner:_handle_incoming_data(prev_output, incoming)
if incoming and utils.str_find(incoming, '\n') then
local prev = prev_output..incoming
local i = 1
for line in prev:gmatch('[^\n]*\n') do
i = i + self:_parse_status_output(line)
end
return prev:sub(i, -1)
end
if incoming then
return prev_output..incoming
end
for line in prev_output:gmatch('[^\n]*\n') do
self._parse_status_output(line)
end
return nil
end
function Runner:_getopts(stdout_handle)
local untracked = self.list_untracked and '-u' or nil
local ignored = self.list_ignored and '--ignored=matching' or '--ignored=no'
return {
args = {"--no-optional-locks", "status", "--porcelain=v1", ignored, untracked},
cwd = self.project_root,
stdio = { nil, stdout_handle, nil },
}
end
function Runner:_run_git_job()
local handle, pid
local stdout = uv.new_pipe(false)
local timer = uv.new_timer()
local function on_finish(output)
if timer:is_closing() or stdout:is_closing() or handle:is_closing() then
return
end
timer:stop()
timer:close()
stdout:read_stop()
stdout:close()
handle:close()
pcall(uv.kill, pid)
self.on_end(output or self.output)
end
handle, pid = uv.spawn(
"git",
self:_getopts(stdout),
vim.schedule_wrap(function() on_finish() end)
)
timer:start(self.timeout, 0, vim.schedule_wrap(function() on_finish({}) end))
local output_leftover = ''
local function manage_output(err, data)
if err then return end
output_leftover = self:_handle_incoming_data(output_leftover, data)
end
uv.read_start(stdout, vim.schedule_wrap(manage_output))
end
-- This module runs a git process, which will be killed if it takes more than timeout which defaults to 400ms
function Runner.run(opts)
local self = setmetatable({
project_root = opts.project_root,
list_untracked = opts.list_untracked,
list_ignored = opts.list_ignored,
timeout = opts.timeout or 400,
output = {},
on_end = opts.on_end,
}, Runner)
self:_run_git_job()
end
return Runner