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   pfd() {
  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 now t s f cachetime limittime; [[ $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 $f ]]; then
  95       cachetime=$(stat -c %Y $f )
  96     else
  97       cachetime=0
  98     fi
  99     now=$(date +%s)
 100     limittime=$(( now - 60*60*2 ))
 101     for f in /etc/apt/sources.list /etc/apt/sources.list.d/*.list; do
 102       if [[ -r $f ]]; then
 103         t=$(stat  -c %Y $f )
 104         if (( t > limittime )); then
 105           limittime=$t
 106         fi
 107       fi
 108     done
 109     if (( cachtime > limittime )); then
 110       $s apt-get update
 111     fi
 112   }
 113   pi() {
 114     pcheck "$@" || return 0
 115     pupdate
 116     if [[ $- != *i* ]]; then
 117       echo pi "$*"
 118     fi
 119     if [[ $EUID == 0 ]]; then
 120       DEBIAN_FRONTEND=noninteractive apt-get -y install --purge --auto-remove "$@"
 121     else
 122       sudo DEBIAN_FRONTEND=noninteractive apt-get -y install --purge --auto-remove "$@"
 123     fi
 124
 125   }
 126
 127   pi-nostart() {
 128     local ret=
 129     pcheck "$@" || return 0
 130     plock-wait
 131     pupdate
 132     local f=/usr/sbin/policy-rc.d
 133     if [[ $- != *i* ]]; then
 134       echo pi-nostart "$@"
 135     fi
 136     if [[ $EUID == 0 ]]; then
 137       dd of=$f status=none <<EOF
 138 #!/bin/sh
 139 exit 101
 140 EOF
 141       chmod +x $f
 142       DEBIAN_FRONTEND=noninteractive apt-get -y install --purge --auto-remove "$@" || ret=$?
 143       rm $f
 144     else
 145       sudo dd of=$f status=none <<EOF
 146 #!/bin/sh
 147 exit 101
 148 EOF
 149       sudo chmod +x $f
 150       sudo DEBIAN_FRONTEND=noninteractive apt-get -y install --purge --auto-remove "$@" || ret=$?
 151       sudo rm $f
 152     fi
 153     return $ret
 154   }
 155   # package find description
 156   pfd() {
 157     # package name and descriptions
 158     apt-cache search "$@"
 159   }
 160   # package find file
 161   pff() {
 162     local s; [[ $EUID != 0 ]] && s=sudo
 163     # nice aptitude search from emacs shell. package description width as
 164     # wide as the screen, and package name field small aptitude
 165     # manual can't figure out how wide emacs terminal is, of course
 166     # it doesn't consult the $COLUMNS variable...  and in a normal
 167     # terminal, it makes the package name field ridiculously big
 168     # also, remove that useless dash before the description
 169     aptitude -F "%c%a%M %p %$((COLUMNS - 30))d" -w $COLUMNS search "$@"
 170   }
 171   pu() {
 172     local s; [[ $EUID != 0 ]] && s=sudo
 173     local needed=false
 174     for arg; do
 175       if dpkg -s -- "$arg" &>/dev/null; then
 176         needed=true
 177         break
 178       fi
 179     done
 180     $needed || return 0
 181     plock-wait
 182     $s apt-get -y remove --purge --auto-remove  "$@"
 183     # seems slightly redundant, but it removes more stuff sometimes.
 184     $s apt-get -y autoremove
 185   }
 186   pup() { # upgrade
 187     plock-wait
 188     pupdate
 189     local s; [[ $EUID != 0 ]] && s=sudo
 190     $s apt-get -y dist-upgrade --purge --auto-remove "$@"
 191     $s apt-get -y autoremove
 192   }
 193   # package info
 194   pl() {
 195     if type -p aptitude &>/dev/null; then
 196       aptitude show "$@"
 197     else
 198       apt-cache show "$@"
 199     fi
 200   }
 201   pfile() {
 202     # -a = search all repos
 203     local -a arg all
 204     all=false
 205     case $1 in
 206       -a)
 207         all=true
 208         shift
 209         ;;
 210     esac
 211     local file=$1
 212     # ucfq can tell us about config files which are not tracked
 213     # with apt-file. but, for at least a few files I tested
 214     # which are tracked with apt-file, ucfq doesn't show their
 215     # package name. So, commenting this, waiting to find
 216     # a config file only tracked by ucfq to see if it gives the
 217     # package name and if I can identify this kind of file.
 218     # if [[ $file == /* ]] && ! ucfq -w $file | grep ::: &>/dev/null; then
 219     #    ucfq $file
 220
 221     if [[ $file == /* ]]; then
 222       dpkg -S "$file"
 223     else
 224       if ! $all; then
 225         arg=(--filter-origins "$(positive-origins)")
 226       fi
 227       if [[ $file == /* ]]; then
 228         apt-file "${arg[@]}" find -x /"$file"\$
 229         update-alternatives --list "$file" 2>/dev/null
 230       else
 231         apt-file "${arg[@]}" find -x "$file"\$
 232       fi
 233     fi
 234   }
 235   pkgfiles() {
 236     if dpkg -s "$1" &>/dev/null; then
 237       dpkg-query -L $1
 238     else
 239       apt-file -x list "^$1$"
 240     fi
 241   }
 242
 243 elif command -v pacman &>/dev/null; then
 244   p() {
 245     pacaur "$@"
 246   }
 247   pi() {
 248     pacaur -S --noconfirm --needed --noedit "$@"
 249   }
 250   pfd() {
 251     pacaur -Ss "$@"
 252   }
 253   pu() {
 254     pacaur -Rs --noconfirm "$@"
 255     if p=$(pacaur -Qdtq); then
 256       pacaur -Rs $p
 257     fi
 258   }
 259   aurex() {
 260     p="$1"
 261     aur='https://aur.archlinux.org'
 262     curl -s $aur/$(curl -s "$aur/rpc.php?type=info&arg=$p" \
 263                      | jq -r .results.URLPath) | tar xz
 264     cd "$p"
 265
 266   }
 267   pmirror() {
 268     local s; [[ $EUID != 0 ]] && s=sudo
 269     local x=$(mktemp)
 270     curl -s "https://www.archlinux.org/mirrorlist/\
 271 ?country=US&protocol=https&ip_version=4&ip_version=6&use_mirror_status=on" \
 272       | sed -r 's/^[ #]*(Server *=)/\1/' > $x
 273     if (( $(stat -c %s $x ) > 10 )); then
 274       $s cp $x /etc/pacman.d/mirrorlist
 275       rm $x
 276     fi
 277   }
 278   pup() { # upgrade
 279     local s; [[ $EUID != 0 ]] && s=sudo
 280     # file_time + 24 hours > current_time
 281     if ! (( $(stat -c%Y /etc/pacman.d/mirrorlist) + 60*60*24 > $(date +%s) ))
 282     then
 283       pmirror
 284     fi
 285     pacaur -Syu --noconfirm "$@"
 286   }
 287   # package info
 288   pl() {
 289     pacaur -Si "$@"
 290   }
 291   pfile() {
 292     pkgfile "$1"
 293   }
 294   pkgfiles() {
 295     if pacaur -Qs "^$1$" &>/dev/null; then
 296       pacman -Ql $1
 297     else
 298       pkgfile -l $1
 299     fi
 300   }
 301 fi