code.delx.au - monosys/blob - bin/pacorphan

   1 #!/usr/bin/python
   2
   3 import codecs
   4 import subprocess
   5 import os
   6 import sys
   7
   8 PACORPHAN_PATH = os.path.expanduser("~/.pacorphan")
   9
  10 keep_pkg_list = []
  11 mark_explicit_list = []
  12 need_install_list = []
  13 unneeded_pkg_list = []
  14 installed_pkg_list = []
  15 explicit_pkg_list = []
  16
  17 def strip_comment(line):
  18     pos = line.find("#")
  19     if pos >= 0:
  20         line = line[:pos]
  21     return line.strip()
  22
  23 for dirpath, dirnames, filenames in os.walk(PACORPHAN_PATH):
  24     for filename in filenames:
  25         if filename.startswith("."):
  26             continue
  27         filename = os.path.join(dirpath, filename)
  28         for pkg in codecs.open(filename, "r", "utf-8"):
  29             pkg = strip_comment(pkg)
  30             if pkg in keep_pkg_list:
  31                 print("# Duplicate entry: " + pkg)
  32             if pkg:
  33                 keep_pkg_list.append(pkg.strip())
  34
  35 for pkg in subprocess.check_output(["pacman", "-Qq"]).decode("utf-8").split():
  36     installed_pkg_list.append(pkg.strip())
  37
  38 for pkg in subprocess.check_output(["pacman", "-Qtq"]).decode("utf-8").split():
  39     unneeded_pkg_list.append(pkg.strip())
  40
  41 for pkg in subprocess.check_output(["pacman", "-Qeq"]).decode("utf-8").split():
  42     explicit_pkg_list.append(pkg.strip())
  43
  44
  45 for pkg in keep_pkg_list:
  46     if pkg in unneeded_pkg_list:
  47         unneeded_pkg_list.remove(pkg)
  48
  49     if pkg in explicit_pkg_list:
  50         explicit_pkg_list.remove(pkg)
  51     else:
  52         if pkg in installed_pkg_list:
  53             mark_explicit_list.append(pkg)
  54         else:
  55             need_install_list.append(pkg)
  56
  57
  58 if unneeded_pkg_list:
  59     print("# Found packages to remove")
  60     print("sudo pacman -R " + " ".join(unneeded_pkg_list))
  61     print()
  62
  63 if explicit_pkg_list:
  64     print("# Found explicitly installed packages to keep")
  65     print("echo " + " ".join(explicit_pkg_list) + " | tr ' ' '\\n' >> ~/.pacorphan/keep")
  66     print()
  67
  68 if mark_explicit_list:
  69     print("# Found packages which should be marked as explicitly installed")
  70     print("sudo pacman -D --asexplicit " + " ".join(mark_explicit_list))
  71     print()
  72
  73 if need_install_list:
  74     print("# Found packages which should be installed")
  75     print("sudo pacman -S " + " ".join(need_install_list))
  76     print()
  77