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

   1 #!/usr/bin/python3
   2
   3 import codecs
   4 import subprocess
   5 import os
   6 import sys
   7
   8 PACORPHAN_PATH = os.path.expanduser("~/.pacorphan")
   9
  10 def run(cmd):
  11     return subprocess.check_output(cmd).decode("utf-8").split("\n")
  12
  13 def strip_comment(line):
  14     pos = line.find("#")
  15     if pos >= 0:
  16         line = line[:pos]
  17     return line.strip()
  18
  19
  20 keep_pkg_list = []
  21 mark_explicit_list = []
  22 need_install_list = []
  23 unneeded_pkg_list = []
  24 installed_pkg_list = []
  25 explicit_pkg_list = []
  26
  27 for filename in os.listdir(PACORPHAN_PATH):
  28     if filename.startswith("."):
  29         continue
  30     filename = os.path.join(PACORPHAN_PATH, filename)
  31     for pkg in codecs.open(filename, "r", "utf-8"):
  32         pkg = strip_comment(pkg)
  33         if pkg in keep_pkg_list:
  34             print("# Duplicate entry: " + pkg)
  35         if pkg:
  36             keep_pkg_list.append(pkg.strip())
  37
  38 for pkg in run(["pacman", "-Qq"]):
  39     installed_pkg_list.append(pkg.strip())
  40
  41 for pkg in run(["pacman", "-Qtq"]):
  42     unneeded_pkg_list.append(pkg.strip())
  43
  44 for pkg in run(["pacman", "-Qeq"]):
  45     explicit_pkg_list.append(pkg.strip())
  46
  47
  48 for pkg in keep_pkg_list:
  49     if pkg in unneeded_pkg_list:
  50         unneeded_pkg_list.remove(pkg)
  51
  52     if pkg in explicit_pkg_list:
  53         explicit_pkg_list.remove(pkg)
  54     else:
  55         if pkg in installed_pkg_list:
  56             mark_explicit_list.append(pkg)
  57         else:
  58             need_install_list.append(pkg)
  59
  60
  61 if unneeded_pkg_list:
  62     print("# Found packages to remove")
  63     print("sudo pacman -R " + " ".join(unneeded_pkg_list))
  64     print()
  65
  66 if explicit_pkg_list:
  67     print("# Found explicitly installed packages to keep")
  68     print("echo " + " ".join(explicit_pkg_list) + " | tr ' ' '\\n' >> ~/.pacorphan/keep")
  69     print()
  70
  71 if mark_explicit_list:
  72     print("# Found packages which should be marked as explicitly installed")
  73     print("sudo pacman -D --asexplicit " + " ".join(mark_explicit_list))
  74     print()
  75
  76 if need_install_list:
  77     print("# Found packages which should be installed")
  78     print("sudo pacman -S " + " ".join(need_install_list))
  79     print()
  80