/usr/bin/check-enhancements is in debian-goodies 0.63.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 | #!/bin/bash
# Copyright (C) 2012 George Danchev <danchev@spnet.net>
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2, or (at your option)
# any later version.
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
# 02111-1307, USA.
SELF=$(basename "$0")
VER=0.3
OPT_CHECK_INSTALLED_PACKAGES=0
OPT_SHOW_INSTALLED_ENHANCEMENTS=0
OPT_VERBOSE=0
print_version() {
echo "$VER"
}
print_help() {
cat << HLP
${SELF} ( -ip | -ie | -h | --verbose | --version )
Options:
Program options start with dash or double dash, otherwise they
are interpreted as package names. Only non-installed enhancement
packages are printed out by default, use -ie to show them all.
-ip, --ip, -installed-packages, --installed-packages
Show enhancements of all installed packages (could be slow)
-ie, --ie, -installed-enhancements, --installed-enhancements
Show installed enhancement packages too
-h, -help, --help
-version, --version
-verbose, --verbose
Examples:
# check enhancement packages of all installed packages
${SELF} -ip
# check enhancement packages of selected packages
${SELF} pkg1 pkgN
HLP
}
pkgs_enhancing_pkg_status() {
# Figure out package Enhances:'ing a given package
EN=`grep-dctrl -n -s Package -F Enhances -X "${1}" /var/lib/apt/lists/*Packages`
case $? in
0) if test $OPT_VERBOSE != 0; then echo -e "Package <<$1>> could be Enhanced by:"; fi
;;
1) continue
;;
*) echo "${SELF}: Internal Error!"
exit 1
;;
esac
for e in `echo "${EN}" | sort | uniq | xargs` # now sort and unify
do
# Figure out whether those enhancements are installed or not.
# By default only output non-installed enhancements
OUT=""
case "${OPT_SHOW_INSTALLED_ENHANCEMENTS}" in
0) OUT=`apt-cache policy ${e} | head -3 | paste -s | grep "Installed: (none)"`
;;
1) OUT=`apt-cache policy ${e} | head -3 | paste -s`
;;
esac
if test x"$OUT" != x""; then printf "%2s => " "$1" && echo "${OUT}"; fi
done
}
# main
declare -a PKGS=()
for op in $@
do
case "${op}" in
-ip|--ip|-installed-packages|--installed-packages)
OPT_CHECK_INSTALLED_PACKAGES=1
;;
-ie|--ie|-installed-enhancements|--installed-enhancements)
OPT_SHOW_INSTALLED_ENHANCEMENTS=1
;;
-h|-help|--help)
print_help
exit 0
;;
-version|--version)
print_version
exit 0
;;
-verbose|--verbose)
OPT_VERBOSE=1
;;
-*)
echo "invalid option ${op}"
print_help
exit 1
;;
*)
# PKGS[$[${#PKGS[@]}+1]]="${op}"
PKGS+=(${op})
;;
esac
done
# no options, just show help
if test x"$1" == x""; then print_help; exit 0; fi
# process package names given on the cmdline
for cmdline_pkg in "${PKGS[@]}"
do
pkgs_enhancing_pkg_status $cmdline_pkg
done
# process installed packages, as well
case $OPT_CHECK_INSTALLED_PACKAGES in
1)
for installed in $(grep-status -FStatus "install ok installed" -n -s Package | sort | uniq)
do
pkgs_enhancing_pkg_status $installed
done
;;
esac
exit 0
|