iankelling.org Git - distro-functions/blob - src/package-manager-abstractions

   1 #!/bin/bash
   2 # Copyright (C) 2014 Ian Kelling
   3
   4 # Licensed under the Apache License, Version 2.0 (the "License");
   5 # you may not use this file except in compliance with the License.
   6 # You may obtain a copy of the License at
   7
   8 #     http://www.apache.org/licenses/LICENSE-2.0
   9
  10 # Unless required by applicable law or agreed to in writing, software
  11 # distributed under the License is distributed on an "AS IS" BASIS,
  12 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13 # See the License for the specific language governing permissions and
  14 # limitations under the License.
  15
  16 # basic yum/apt package manager abstraction, plus a few minor conveniences
  17 if command -v yum &> /dev/null; then
  18   # package manager
  19   p() {
  20     local s; [[ $EUID != 0 ]] && s=sudo
  21     $s yum "$@"
  22   }
  23   # package install
  24   pi() {
  25     local s; [[ $EUID != 0 ]] && s=sudo
  26     $s yum -y install "$@"
  27   }
  28   # package find
  29   pf() {
  30     local s; [[ $EUID != 0 ]] && s=sudo
  31     $s yum search "$@"
  32   }
  33   # package remove/uninstall
  34   pu() {
  35     local s; [[ $EUID != 0 ]] && s=sudo
  36     $s yum autoremove "$@"
  37   }
  38   pup() { # upgrade
  39     local s; [[ $EUID != 0 ]] && s=sudo
  40     $s yum -y distro-sync full "$@"
  41   }
  42   # package list info
  43   pl() {
  44     yum info "$@"
  45   }
  46   pfile() {
  47     yum whatprovides \*/$1
  48   }
  49
  50 elif command -v apt-get &>/dev/null; then
  51   plock-wait() {
  52     local i
  53     i=0
  54     while fuser /var/lib/dpkg/lock &>/dev/null; do
  55       sleep 1
  56       i=$(( i+1 ))
  57       if (( i > 300 )); then
  58         echo "error: timed out waiting for /var/lib/dpkg/lock" >&2
  59         return 1
  60       fi
  61     done
  62   }
  63   pcheck() {
  64     for arg; do
  65       if [[ $1 == -* ]]; then
  66         shift
  67       else
  68         break
  69       fi
  70     done
  71     if dpkg -s -- "$@" |& grep -Fx "Status: install ok installed" &>/dev/null; then
  72       return 1
  73     fi
  74     return 0
  75   }
  76   pp() { # package policy
  77     apt-cache policy $@
  78   }
  79   p() {
  80     local s; [[ $EUID != 0 ]] && s=sudo
  81     case $1 in
  82       install)
  83         $s apt-get --purge --auto-remove "$@"
  84         ;;
  85       *)
  86         $s apt-get "$@"
  87         ;;
  88     esac
  89   }
  90   pupdate() {
  91     local s f; [[ $EUID != 0 ]] && s=sudo
  92     # update package list if its more than an 2 hours old
  93     f=/var/cache/apt/pkgcache.bin
  94     if [[ ! -r $f ]] \
  95          || (( $(( $(date +%s) - $(stat -c %Y $f ) )) > 60*60*2 )); then
  96       $s apt-get update
  97     fi
  98   }
  99   pi() {
 100     pcheck "$@" || return 0
 101     pupdate
 102     local s; [[ $EUID != 0 ]] && s=sudo
 103     if [[ $- != *i* ]]; then
 104       echo pi "$@"
 105     fi
 106     $s $PI_PREFIX apt-get -y install --purge --auto-remove "$@"
 107   }
 108
 109   pi-nostart() {
 110     local ret=
 111     pcheck "$@" || return 0
 112     plock-wait
 113     pupdate
 114     local s; [[ $EUID != 0 ]] && s=sudo
 115     local f=/usr/sbin/policy-rc.d
 116     $s dd of=$f 2>/dev/null <<EOF
 117 #!/bin/sh
 118 exit 101
 119 EOF
 120     $s chmod +x $f
 121     if [[ $- != *i* ]]; then
 122       echo pi-nostart "$@"
 123     fi
 124     $s apt-get -y install --purge --auto-remove "$@" || ret=$?
 125     $s rm $f
 126     return $ret
 127   }
 128   pf() {
 129     # package name and descriptions
 130     apt-cache search "$@"
 131   }
 132   pff() {
 133     local s; [[ $EUID != 0 ]] && s=sudo
 134     # nice aptitude search from emacs shell. package description width as
 135     # wide as the screen, and package name field small aptitude
 136     # manual can't figure out how wide emacs terminal is, of course
 137     # it doesn't consult the $COLUMNS variable...  and in a normal
 138     # terminal, it makes the package name field ridiculously big
 139     # also, remove that useless dash before the description
 140     aptitude -F "%c%a%M %p %$((COLUMNS - 30))d" -w $COLUMNS search "$@"
 141   }
 142   pu() {
 143     local s; [[ $EUID != 0 ]] && s=sudo
 144     local needed=false
 145     for arg; do
 146       if dpkg -s -- "$arg" &>/dev/null; then
 147         needed=true
 148         break
 149       fi
 150     done
 151     $needed || return 0
 152     plock-wait
 153     $s apt-get -y remove --purge --auto-remove  "$@"
 154     # seems slightly redundant, but it removes more stuff sometimes.
 155     $s apt-get -y autoremove
 156   }
 157   pup() { # upgrade
 158     plock-wait
 159     pupdate
 160     local s; [[ $EUID != 0 ]] && s=sudo
 161     $s apt-get -y dist-upgrade --purge --auto-remove "$@"
 162     $s apt-get -y autoremove
 163     if [[ -e /usr/sbin/checkrestart ]]; then
 164       $s /usr/sbin/checkrestart -p
 165     fi
 166   }
 167   # package info
 168   pl() {
 169     if type -p aptitude &>/dev/null; then
 170       aptitude show "$@"
 171     else
 172       apt-cache show "$@"
 173     fi
 174   }
 175   pfile() {
 176     local file=$1
 177     # ucfq can tell us about config files which are not tracked
 178     # with apt-file. but, for at least a few files I tested
 179     # which are tracked with apt-file, ucfq doesn't show their
 180     # package name. So, commenting this, waiting to find
 181     # a config file only tracked by ucfq to see if it gives the
 182     # package name and if I can identify this kind of file.
 183     # if [[ $file == /* ]] && ! ucfq -w $file | grep ::: &>/dev/null; then
 184     #    ucfq $file
 185
 186     if [[ $file == */* ]]; then
 187       apt-file find -x "$file"\$
 188     else
 189       apt-file find -x /"$file"\$
 190       update-alternatives --list "$file" 2>/dev/null
 191     fi
 192   }
 193   pkgfiles() {
 194     if dpkg -s "$1" &>/dev/null; then
 195       dpkg-query -L $1
 196     else
 197       apt-file -x list "^$1$"
 198     fi
 199   }
 200
 201 elif command -v pacman &>/dev/null; then
 202   p() {
 203     pacaur "$@"
 204   }
 205   pi() {
 206     pacaur -S --noconfirm --needed --noedit "$@"
 207   }
 208   pf() {
 209     pacaur -Ss "$@"
 210   }
 211   pu() {
 212     pacaur -Rs --noconfirm "$@"
 213     if p=$(pacaur -Qdtq); then
 214       pacaur -Rs $p
 215     fi
 216   }
 217   aurex() {
 218     p="$1"
 219     aur='https://aur.archlinux.org'
 220     curl -s $aur/$(curl -s "$aur/rpc.php?type=info&arg=$p" \
 221                      | jq -r .results.URLPath) | tar xz
 222     cd "$p"
 223
 224   }
 225   pmirror() {
 226     local s; [[ $EUID != 0 ]] && s=sudo
 227     local x=$(mktemp)
 228     curl -s "https://www.archlinux.org/mirrorlist/\
 229 ?country=US&protocol=https&ip_version=4&ip_version=6&use_mirror_status=on" \
 230       | sed -r 's/^[ #]*(Server *=)/\1/' > $x
 231     if (( $(stat -c %s $x ) > 10 )); then
 232       $s cp $x /etc/pacman.d/mirrorlist
 233       rm $x
 234     fi
 235   }
 236   pup() { # upgrade
 237     local s; [[ $EUID != 0 ]] && s=sudo
 238     # file_time + 24 hours > current_time
 239     if ! (( $(stat -c%Y /etc/pacman.d/mirrorlist) + 60*60*24 > $(date +%s) ))
 240     then
 241       pmirror
 242     fi
 243     pacaur -Syu --noconfirm "$@"
 244   }
 245   # package info
 246   pl() {
 247     pacaur -Si "$@"
 248   }
 249   pfile() {
 250     pkgfile "$1"
 251   }
 252   pkgfiles() {
 253     if pacaur -Qs "^$1$" &>/dev/null; then
 254       pacman -Ql $1
 255     else
 256       pkgfile -l $1
 257     fi
 258   }
 259 fi