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     local s; [[ $EUID != 0 ]] && s=sudo
 117     if [[ $- != *i* ]]; then
 118       echo pi "$@"
 119     fi
 120     $s $PI_PREFIX apt-get -y install --purge --auto-remove "$@"
 121   }
 122
 123   pi-nostart() {
 124     local ret=
 125     pcheck "$@" || return 0
 126     plock-wait
 127     pupdate
 128     local s; [[ $EUID != 0 ]] && s=sudo
 129     local f=/usr/sbin/policy-rc.d
 130     $s dd of=$f 2>/dev/null <<EOF
 131 #!/bin/sh
 132 exit 101
 133 EOF
 134     $s chmod +x $f
 135     if [[ $- != *i* ]]; then
 136       echo pi-nostart "$@"
 137     fi
 138     $s apt-get -y install --purge --auto-remove "$@" || ret=$?
 139     $s rm $f
 140     return $ret
 141   }
 142   pf() {
 143     # package name and descriptions
 144     apt-cache search "$@"
 145   }
 146   pff() {
 147     local s; [[ $EUID != 0 ]] && s=sudo
 148     # nice aptitude search from emacs shell. package description width as
 149     # wide as the screen, and package name field small aptitude
 150     # manual can't figure out how wide emacs terminal is, of course
 151     # it doesn't consult the $COLUMNS variable...  and in a normal
 152     # terminal, it makes the package name field ridiculously big
 153     # also, remove that useless dash before the description
 154     aptitude -F "%c%a%M %p %$((COLUMNS - 30))d" -w $COLUMNS search "$@"
 155   }
 156   pu() {
 157     local s; [[ $EUID != 0 ]] && s=sudo
 158     local needed=false
 159     for arg; do
 160       if dpkg -s -- "$arg" &>/dev/null; then
 161         needed=true
 162         break
 163       fi
 164     done
 165     $needed || return 0
 166     plock-wait
 167     $s apt-get -y remove --purge --auto-remove  "$@"
 168     # seems slightly redundant, but it removes more stuff sometimes.
 169     $s apt-get -y autoremove
 170   }
 171   pup() { # upgrade
 172     plock-wait
 173     pupdate
 174     local s; [[ $EUID != 0 ]] && s=sudo
 175     $s apt-get -y dist-upgrade --purge --auto-remove "$@"
 176     $s apt-get -y autoremove
 177     if [[ -e /usr/sbin/checkrestart ]]; then
 178       $s /usr/sbin/checkrestart -p
 179     fi
 180   }
 181   # package info
 182   pl() {
 183     if type -p aptitude &>/dev/null; then
 184       aptitude show "$@"
 185     else
 186       apt-cache show "$@"
 187     fi
 188   }
 189   pfile() {
 190     local file=$1
 191     # ucfq can tell us about config files which are not tracked
 192     # with apt-file. but, for at least a few files I tested
 193     # which are tracked with apt-file, ucfq doesn't show their
 194     # package name. So, commenting this, waiting to find
 195     # a config file only tracked by ucfq to see if it gives the
 196     # package name and if I can identify this kind of file.
 197     # if [[ $file == /* ]] && ! ucfq -w $file | grep ::: &>/dev/null; then
 198     #    ucfq $file
 199
 200     if [[ $file == */* ]]; then
 201       apt-file find -x "$file"\$
 202     else
 203       apt-file find -x /"$file"\$
 204       update-alternatives --list "$file" 2>/dev/null
 205     fi
 206   }
 207   pkgfiles() {
 208     if dpkg -s "$1" &>/dev/null; then
 209       dpkg-query -L $1
 210     else
 211       apt-file -x list "^$1$"
 212     fi
 213   }
 214
 215 elif command -v pacman &>/dev/null; then
 216   p() {
 217     pacaur "$@"
 218   }
 219   pi() {
 220     pacaur -S --noconfirm --needed --noedit "$@"
 221   }
 222   pf() {
 223     pacaur -Ss "$@"
 224   }
 225   pu() {
 226     pacaur -Rs --noconfirm "$@"
 227     if p=$(pacaur -Qdtq); then
 228       pacaur -Rs $p
 229     fi
 230   }
 231   aurex() {
 232     p="$1"
 233     aur='https://aur.archlinux.org'
 234     curl -s $aur/$(curl -s "$aur/rpc.php?type=info&arg=$p" \
 235                      | jq -r .results.URLPath) | tar xz
 236     cd "$p"
 237
 238   }
 239   pmirror() {
 240     local s; [[ $EUID != 0 ]] && s=sudo
 241     local x=$(mktemp)
 242     curl -s "https://www.archlinux.org/mirrorlist/\
 243 ?country=US&protocol=https&ip_version=4&ip_version=6&use_mirror_status=on" \
 244       | sed -r 's/^[ #]*(Server *=)/\1/' > $x
 245     if (( $(stat -c %s $x ) > 10 )); then
 246       $s cp $x /etc/pacman.d/mirrorlist
 247       rm $x
 248     fi
 249   }
 250   pup() { # upgrade
 251     local s; [[ $EUID != 0 ]] && s=sudo
 252     # file_time + 24 hours > current_time
 253     if ! (( $(stat -c%Y /etc/pacman.d/mirrorlist) + 60*60*24 > $(date +%s) ))
 254     then
 255       pmirror
 256     fi
 257     pacaur -Syu --noconfirm "$@"
 258   }
 259   # package info
 260   pl() {
 261     pacaur -Si "$@"
 262   }
 263   pfile() {
 264     pkgfile "$1"
 265   }
 266   pkgfiles() {
 267     if pacaur -Qs "^$1$" &>/dev/null; then
 268       pacman -Ql $1
 269     else
 270       pkgfile -l $1
 271     fi
 272   }
 273 fi