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 filename in os.listdir(PACORPHAN_PATH):
  24     if filename.startswith("."):
  25         continue
  26     filename = os.path.join(PACORPHAN_PATH, filename)
  27     for pkg in codecs.open(filename, "r", "utf-8"):
  28         pkg = strip_comment(pkg)
  29         if pkg in keep_pkg_list:
  30             print("# Duplicate entry: " + pkg)
  31         if pkg:
  32             keep_pkg_list.append(pkg.strip())
  33
  34 for pkg in subprocess.check_output(["pacman", "-Qq"]).decode("utf-8").split():
  35     installed_pkg_list.append(pkg.strip())
  36
  37 for pkg in subprocess.check_output(["pacman", "-Qtq"]).decode("utf-8").split():
  38     unneeded_pkg_list.append(pkg.strip())
  39
  40 for pkg in subprocess.check_output(["pacman", "-Qeq"]).decode("utf-8").split():
  41     explicit_pkg_list.append(pkg.strip())
  42
  43
  44 for pkg in keep_pkg_list:
  45     if pkg in unneeded_pkg_list:
  46         unneeded_pkg_list.remove(pkg)
  47
  48     if pkg in explicit_pkg_list:
  49         explicit_pkg_list.remove(pkg)
  50     else:
  51         if pkg in installed_pkg_list:
  52             mark_explicit_list.append(pkg)
  53         else:
  54             need_install_list.append(pkg)
  55
  56
  57 if unneeded_pkg_list:
  58     print("# Found packages to remove")
  59     print("sudo pacman -R " + " ".join(unneeded_pkg_list))
  60     print()
  61
  62 if explicit_pkg_list:
  63     print("# Found explicitly installed packages to keep")
  64     print("echo " + " ".join(explicit_pkg_list) + " | tr ' ' '\\n' >> ~/.pacorphan/keep")
  65     print()
  66
  67 if mark_explicit_list:
  68     print("# Found packages which should be marked as explicitly installed")
  69     print("sudo pacman -D --asexplicit " + " ".join(mark_explicit_list))
  70     print()
  71
  72 if need_install_list:
  73     print("# Found packages which should be installed")
  74     print("sudo pacman -S " + " ".join(need_install_list))
  75     print()
  76