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 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 2>/dev/null <<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 2>/dev/null <<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 $ret
 154   }
 155   pf() {
 156     # package name and descriptions
 157     apt-cache search "$@"
 158   }
 159   pff() {
 160     local s; [[ $EUID != 0 ]] && s=sudo
 161     # nice aptitude search from emacs shell. package description width as
 162     # wide as the screen, and package name field small aptitude
 163     # manual can't figure out how wide emacs terminal is, of course
 164     # it doesn't consult the $COLUMNS variable...  and in a normal
 165     # terminal, it makes the package name field ridiculously big
 166     # also, remove that useless dash before the description
 167     aptitude -F "%c%a%M %p %$((COLUMNS - 30))d" -w $COLUMNS search "$@"
 168   }
 169   pu() {
 170     local s; [[ $EUID != 0 ]] && s=sudo
 171     local needed=false
 172     for arg; do
 173       if dpkg -s -- "$arg" &>/dev/null; then
 174         needed=true
 175         break
 176       fi
 177     done
 178     $needed || return 0
 179     plock-wait
 180     $s apt-get -y remove --purge --auto-remove  "$@"
 181     # seems slightly redundant, but it removes more stuff sometimes.
 182     $s apt-get -y autoremove
 183   }
 184   pup() { # upgrade
 185     plock-wait
 186     pupdate
 187     local s; [[ $EUID != 0 ]] && s=sudo
 188     $s apt-get -y dist-upgrade --purge --auto-remove "$@"
 189     $s apt-get -y autoremove
 190   }
 191   # package info
 192   pl() {
 193     if type -p aptitude &>/dev/null; then
 194       aptitude show "$@"
 195     else
 196       apt-cache show "$@"
 197     fi
 198   }
 199   pfile() {
 200     # -a = search all repos
 201     local -a arg all
 202     all=false
 203     case $1 in
 204       -a)
 205         all=true
 206         shift
 207         ;;
 208     esac
 209     local file=$1
 210     # ucfq can tell us about config files which are not tracked
 211     # with apt-file. but, for at least a few files I tested
 212     # which are tracked with apt-file, ucfq doesn't show their
 213     # package name. So, commenting this, waiting to find
 214     # a config file only tracked by ucfq to see if it gives the
 215     # package name and if I can identify this kind of file.
 216     # if [[ $file == /* ]] && ! ucfq -w $file | grep ::: &>/dev/null; then
 217     #    ucfq $file
 218
 219     if [[ $file == /* ]]; then
 220       dpkg -S "$file"
 221     else
 222       if ! $all; then
 223         arg=(--filter-origins "$(positive-origins)")
 224       fi
 225       if [[ $file == */* ]]; then
 226         apt-file "${arg[@]}" find -x "$file"\$
 227       else
 228         apt-file "${arg[@]}" find -x /"$file"\$
 229         update-alternatives --list "$file" 2>/dev/null
 230       fi
 231     fi
 232   }
 233   pkgfiles() {
 234     if dpkg -s "$1" &>/dev/null; then
 235       dpkg-query -L $1
 236     else
 237       apt-file -x list "^$1$"
 238     fi
 239   }
 240
 241 elif command -v pacman &>/dev/null; then
 242   p() {
 243     pacaur "$@"
 244   }
 245   pi() {
 246     pacaur -S --noconfirm --needed --noedit "$@"
 247   }
 248   pf() {
 249     pacaur -Ss "$@"
 250   }
 251   pu() {
 252     pacaur -Rs --noconfirm "$@"
 253     if p=$(pacaur -Qdtq); then
 254       pacaur -Rs $p
 255     fi
 256   }
 257   aurex() {
 258     p="$1"
 259     aur='https://aur.archlinux.org'
 260     curl -s $aur/$(curl -s "$aur/rpc.php?type=info&arg=$p" \
 261                      | jq -r .results.URLPath) | tar xz
 262     cd "$p"
 263
 264   }
 265   pmirror() {
 266     local s; [[ $EUID != 0 ]] && s=sudo
 267     local x=$(mktemp)
 268     curl -s "https://www.archlinux.org/mirrorlist/\
 269 ?country=US&protocol=https&ip_version=4&ip_version=6&use_mirror_status=on" \
 270       | sed -r 's/^[ #]*(Server *=)/\1/' > $x
 271     if (( $(stat -c %s $x ) > 10 )); then
 272       $s cp $x /etc/pacman.d/mirrorlist
 273       rm $x
 274     fi
 275   }
 276   pup() { # upgrade
 277     local s; [[ $EUID != 0 ]] && s=sudo
 278     # file_time + 24 hours > current_time
 279     if ! (( $(stat -c%Y /etc/pacman.d/mirrorlist) + 60*60*24 > $(date +%s) ))
 280     then
 281       pmirror
 282     fi
 283     pacaur -Syu --noconfirm "$@"
 284   }
 285   # package info
 286   pl() {
 287     pacaur -Si "$@"
 288   }
 289   pfile() {
 290     pkgfile "$1"
 291   }
 292   pkgfiles() {
 293     if pacaur -Qs "^$1$" &>/dev/null; then
 294       pacman -Ql $1
 295     else
 296       pkgfile -l $1
 297     fi
 298   }
 299 fi