feat: plugin manager tasks

lua/lazy/process.lua

@@ -0,0 +1,90 @@
+local M = {}
+
+---@alias ProcessOpts {args: string[], cwd?: string, on_line?:fun(string), on_exit?: fun(ok:boolean, output:string)}
+
+function M.spawn(cmd, opts)
+  opts = opts or {}
+  local env = {
+    "GIT_TERMINAL_PROMPT=0",
+    "GIT_SSH_COMMAND=ssh -oBatchMode=yes",
+  }
+
+  for key, value in
+    pairs(vim.loop.os_environ() --[[@as string[] ]])
+  do
+    table.insert(env, key .. "=" .. value)
+  end
+
+  local stdout = vim.loop.new_pipe()
+  local stderr = vim.loop.new_pipe()
+
+  local output = ""
+  ---@type vim.loop.Process
+  local handle = nil
+
+  handle = vim.loop.spawn(cmd, {
+    stdio = { nil, stdout, stderr },
+    args = opts.args,
+    cwd = opts.cwd,
+    env = env,
+  }, function(exit_code)
+    handle:close()
+    stdout:close()
+    stderr:close()
+    local check = vim.loop.new_check()
+    check:start(function()
+      if not stdout:is_closing() or not stderr:is_closing() then
+        return
+      end
+      check:stop()
+      if opts.on_exit then
+        output = output:gsub("[^\r\n]+\r", "")
+
+        vim.schedule(function()
+          opts.on_exit(exit_code == 0, output)
+        end)
+      end
+    end)
+  end)
+
+  if not handle then
+    if opts.on_exit then
+      opts.on_exit(false, "Failed to spawn process " .. cmd .. " " .. vim.inspect(opts))
+    end
+
+    return
+  end
+
+  local function on_output(err, data)
+    assert(not err, err)
+
+    if data then
+      output = output .. data:gsub("\r\n", "\n")
+      local lines = vim.split(vim.trim(output:gsub("\r$", "")):gsub("[^\n\r]+\r", ""), "\n")
+
+      if opts.on_line then
+        vim.schedule(function()
+          opts.on_line(lines[#lines])
+        end)
+      end
+    end
+  end
+
+  vim.loop.read_start(stdout, on_output)
+  vim.loop.read_start(stderr, on_output)
+
+  return handle
+end
+
+-- FIXME: can be removed?
+function M.all_done(slot0)
+  for slot4, slot5 in ipairs(slot0) do
+    if slot5 and not slot5:is_closing() then
+      return false
+    end
+  end
+
+  return true
+end
+
+return M