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 unneeded_pkg_list = []
  12 explicit_pkg_list = []
  13
  14 def strip_comment(line):
  15     pos = line.find("#")
  16     if pos >= 0:
  17         line = line[:pos]
  18     return line.strip()
  19
  20 for dirpath, dirnames, filenames in os.walk(PACORPHAN_PATH):
  21     for filename in filenames:
  22         if filename.startswith("."):
  23             continue
  24         filename = os.path.join(dirpath, filename)
  25         for pkg in codecs.open(filename, "r", "utf-8"):
  26             pkg = strip_comment(pkg)
  27             if pkg in keep_pkg_list:
  28                 print("# Duplicate entry: " + pkg)
  29             if pkg:
  30                 keep_pkg_list.append(pkg.strip())
  31
  32 for pkg in subprocess.check_output(["pacman", "-Qtq"]).decode("utf-8").split():
  33     unneeded_pkg_list.append(pkg.strip())
  34
  35 for pkg in subprocess.check_output(["pacman", "-Qeq"]).decode("utf-8").split():
  36     explicit_pkg_list.append(pkg.strip())
  37
  38
  39 for pkg in keep_pkg_list:
  40     if pkg in unneeded_pkg_list:
  41         unneeded_pkg_list.remove(pkg)
  42
  43     if pkg in explicit_pkg_list:
  44         explicit_pkg_list.remove(pkg)
  45     else:
  46         print("# Not explicitly installed: " + pkg)
  47
  48
  49 if unneeded_pkg_list:
  50     print("# Found packages to remove")
  51     print("sudo pacman -R " + " ".join(unneeded_pkg_list))
  52     print()
  53
  54 if explicit_pkg_list:
  55     print("# Found explicitly installed packages to keep")
  56     print("echo " + " ".join(explicit_pkg_list) + " | tr ' ' '\\n' >> ~/.pacorphan/keep")
  57     print()
  58