log your system packages into txt files regularly

system_pkglogs.nim

import os, strformat, times, strutils, osproc, tables

let logDir = getHomeDir() / "package-logs"
let timestamp = now().format("yyyyMMdd'_'HHmmss")
createDir(logDir)

proc logPackages(manager, cmd: string) =
  let logFile = logDir / fmt"{manager}-{timestamp}.txt"
  echo fmt"📦 Logging {manager} packages..."

  let args = cmd.splitWhitespace
  let executable = args[0]
  if findExe(executable) != "":
    let output = execProcess(executable, args = args[1..^1], options = {poUsePath, poStdErrToStdOut})
    writeFile(logFile, output)
    echo fmt"✅ Saved to {logFile}"
  else:
    echo fmt"⚠️  {manager} not found, skipping."

let pkgManagers = {
  "apt": "apt list --installed",
  "brew": "brew list --versions",
  "snap": "snap list",
  "flatpak": "flatpak list --app --columns=application,version",
  "nix": "nix profile list",
  "cargo": "cargo install --list"
}.toTable

for manager, cmd in pkgManagers.pairs:
  logPackages(manager, cmd)

echo fmt"\n📁 All logs saved in: {logDir}"