lib/aur-vercmp

   1 #!/bin/bash
   2 # aur-vercmp - check packages for AUR updates
   3 [[ -v AUR_DEBUG ]] && set -o xtrace
   4 set -o pipefail
   5 argv0=vercmp
   6 PS4='+(${BASH_SOURCE}:${LINENO}): ${FUNCNAME[0]:+${FUNCNAME[0]}(): }'
   7
   8 # default options
   9 format=check target=aur all=0 quiet=0
  10
  11 args_csv() {
  12     # shellcheck disable=SC2155
  13     local str=$(printf '%s,' "$@")
  14     printf '%s' "${str%,}"
  15 }
  16
  17 my_vercmp() {
  18     if [[ $1 == "$2" ]]; then
  19         printf '%d' 0 # common case
  20     else
  21         vercmp "$1" "$2"
  22     fi
  23 }
  24
  25 cmp_equal_or_newer() {
  26     local pkg v_cmp v_in op
  27
  28     while read -r pkg v_cmp v_in; do
  29         case $v_cmp in
  30             -) op=2 ;; # - on field 2
  31             *) op=$(my_vercmp "$v_in" "$v_cmp") ;;
  32         esac
  33
  34         case $op in
  35            -1) plain >&2 '%s %s is newer than %s' "$pkg" "$v_cmp" "$v_in" >&2
  36                printf '%s\n' "$pkg" ;;
  37             0) printf '%s\n' "$pkg" ;;
  38             1) msg2 >&2 '%s %s -> %s' "$pkg" "$v_cmp" "$v_in" ;;
  39             2) msg2 >&2 '%s (none) -> %s' "$pkg" "$v_in" ;;
  40         esac
  41     done
  42 }
  43
  44 cmp_checkupdates() {
  45     local pkg v_cmp v_in op
  46
  47     while read -r pkg v_cmp v_in; do
  48         case $v_in in
  49             -) op=2 ;; # - on field 3
  50             *) op=$(my_vercmp "$v_in" "$v_cmp") ;;
  51         esac
  52
  53         (( ! all )) && (( op > -1 )) && continue;
  54         (( quiet )) && { printf '%s\n' "$pkg"; continue; }
  55
  56         case $op in
  57            -1) printf '%s %s -> %s\n' "$pkg" "$v_in" "$v_cmp" ;;
  58             0) printf '%s %s = %s\n'  "$pkg" "$v_in" "$v_cmp" ;;
  59             1) printf '%s %s <- %s\n' "$pkg" "$v_in" "$v_cmp" ;;
  60             2) printf '%s (none) -> %s\n' "$pkg" "$v_cmp"     ;;
  61         esac
  62     done
  63 }
  64
  65 parse_aur() {
  66     aur query -t info - | aur format -f '%n\t%v\n'
  67 }
  68
  69 trap_exit() {
  70     if [[ ! -v AUR_DEBUG ]]; then
  71         rm -rf -- "$tmp"
  72     else
  73         printf >&2 'AUR_DEBUG: %s: temporary files at %s\n' "$argv0" "$tmp"
  74     fi
  75 }
  76
  77 usage() {
  78     plain >&2 'usage: %s [-acq] [-p path]' "$argv0"
  79     exit 1
  80 }
  81
  82 source /usr/share/makepkg/util/message.sh
  83
  84 if [[ ! -v NO_COLOR ]] && [[ ! -v AUR_DEBUG ]]; then
  85     [[ -t 2 ]] && colorize
  86 fi
  87
  88 opt_short='p:u:acq'
  89 opt_long=('all' 'current' 'path:' 'quiet' 'upair:')
  90 opt_hidden=('dump-options')
  91
  92 if opts=$(getopt -o "$opt_short" -l "$(args_csv "${opt_long[@]}" "${opt_hidden[@]}")" -n "$argv0" -- "$@"); then
  93     eval set -- "$opts"
  94 else
  95     usage
  96 fi
  97
  98 unset aux repo upair
  99 while true; do
 100     case "$1" in
 101         -a|--all)
 102             all=1 ;;
 103         -c|--current)
 104             format=equal ;;
 105         -q|--quiet)
 106             quiet=1 ;;
 107         -p|--path)
 108             shift; aux=$1
 109             target='file' ;;
 110         -u|--upair)
 111             shift; upair=$1 ;;
 112         --dump-options)
 113             printf -- '--%s\n' "${opt_long[@]}" ${AUR_DEBUG+"${opt_hidden[@]}"}
 114             printf -- '%s' "${opt_short}" | sed 's/.:\?/-&\n/g'
 115             exit ;;
 116         --) shift; break ;;
 117     esac
 118     shift
 119 done
 120
 121 # shellcheck disable=SC2174
 122 mkdir -pm 0700 -- "${TMPDIR:-/tmp}/aurutils-$UID"
 123 tmp=$(mktemp --tmpdir "aurutils-$UID/$argv0.XXXXXXXX") || exit
 124 trap 'trap_exit' EXIT
 125
 126 # check for interactive terminal
 127 if [[ -t 0 ]]; then
 128     cat >&2 <<EOF
 129 Warning: Input is read from the terminal. You either know what you
 130 Warning: are doing, or you forgot to pipe data into $argv0.
 131 Warning: Press CTRL-D to exit.
 132 EOF
 133 fi
 134 sort -k 1b,1 >"$tmp"
 135
 136 # set filters
 137 case $format in
 138     check) cmp() { cmp_checkupdates; }
 139            upair=${upair-1} ;; # join unpaired of target
 140     equal) cmp() { cmp_equal_or_newer; }
 141            upair=${upair-2} ;; # join unpaired of input
 142 esac
 143
 144 # pipeline
 145 case $target in
 146      aur) awk '{print $1}' "$tmp" | parse_aur ;;
 147     file) awk '{print $0}' "$aux" ;;
 148 esac | sort -k 1b,1 | join -a "$upair" -e - -o 0,1.2,2.2 - "$tmp" | cmp
 149
 150 # vim: set et sw=4 sts=4 ft=sh: