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#!/bin/bash
# alfplayer
# 2014-06-12
#
# Prints Parabola PCR packages with the corresponding AUR
# packages, only if the version of the Parabola package is older
# than the Arch package version.
set -e
name="aur-vs-pcr"
baseconfpath="/etc/libredbdiff"
basedbpath="/var/lib/libredbdiff"
conffile="$baseconfpath/pacman.conf.parabola"
conffilearch="$baseconfpath/pacman.conf.archlinux"
dbpath="$basedbpath/pacman.parabola"
dbpatharch="$basedbpath/pacman.archlinux"
field_pkgname=40
field_version=40
field_time=10
error() { echo -e "Error. $@" > /dev/stderr ; exit 1; }
verbose=1
while true ; do
if [[ $1 =~ ^(-v|--verbose)$ ]] ; then
verbose=0
shift
elif [[ $# == 1 && $1 =~ ^(-h|--help)$ ]] ; then
echo -e "${name}. Show PCR repository packages that need to be updated from AUR.
Usage:
${name} [pattern]\t\tRegular output.
${name} -v [pattern]\t\tAlso print package names of unmatched and updated packages.
Specify [pattern] to filter package names. It can be empty to show all PCR packages.
Examples:
${name} pkgtool\t\tSearches for package names including the substring \"pkgtool\".
${name} ^emacs.*\t\tSearches for package names starting with \"emacs\".
${name} -v emacs.*\t\tSame as previous but it also prints unmatched and updated packages."
exit 0
else
pattern="$1"
if [[ $2 ]] ; then
error "Bad arguments. Nothing done. Run \"aur-vs-pcr -h\" for usage information."
else
break
fi
fi
done
if ! which jshon > /dev/null ; then
echo "jshon is not installed (package \"jshon\")"
fi
# Save PCR package information to a file
expac -S '%r/%n %v %b %p' -t '%F' | grep "^pcr" | cut -b 5- | \
awk -v pattern="$pattern" "\$1 ~ pattern" > /tmp/aur-vs-pcr.tmp
pkgname_list="$(head -c -1 /tmp/aur-vs-pcr.tmp | awk '{print $1}' | sed ':a;N;$!ba;s/\n/ /g')"
declare -Ax ver_arch time_arch maintainer_arch ood_arch provides_string_arch desc_arch
pkg_count="$(wc -w <<< "${pkgname_list}")"
set +m
shopt -s lastpipe
# Query using the HTTP AUR RPC about 400 packages at a time. The request is denied using 500.
for (( j=0 ; j<pkg_count ; j=j+400 )); do
arg="$(cut -f $((j+1))-$((j+400)) -d ' ' <<< ${pkgname_list})"
arg_url="$(sed -e '1s/^/\&arg[]=/' -e 's/ /\&arg[]=/g' <<< "${arg}")"
i=1
curl -Lkgs "https://aur.archlinux.org/rpc.php?type=multiinfo${arg_url}" |
jshon -e results -a -e Name -u -p -e Version -u -p \
-e LastModified -u -p -e OutOfDate -u -p \
-e Maintainer -u -p -e Description -u |
while read -r var ; do
if [[ $i == 1 ]] ; then
pkgname="$var"
elif [[ $i == 2 ]] ; then
ver_arch["$pkgname"]="$var"
elif [[ $i == 3 ]] ; then
time_arch["$pkgname"]="$(date -d @${var} +'%Y-%m-%d')"
elif [[ $i == 4 ]] ; then
ood_arch["$pkgname"]="$var"
elif [[ $i == 5 ]] ; then
maintainer_arch["$pkgname"]="$var"
elif [[ $i == 6 ]] ; then
desc_arch["$pkgname"]="$var"
i=0
fi
((++i))
done
done
if [[ $verbose == 0 ]] ; then
printf_format="%s %-${field_pkgname}s%${field_version}s %${field_time}s %s\n"
printf_format_arch=" %-${field_pkgname}s%${field_version}s %${field_time}s %s\n"
else
printf_format="%-$((field_pkgname+2))s%${field_version}s %${field_time}s %s\n"
printf_format_arch="%-$((field_pkgname+2))s%${field_version}s %${field_time}s %s\n"
fi
# Loop over PCR packages and print comparative information if the PCR version is older than AUR's version.
while IFS= read -r line
do
set -- ${line}
pkgname="$1"
ver="$2"
time="$3"
maintainer="${*:4}"
if [[ ${ver_arch["${pkgname}"]} ]] ; then
if [[ ${ver} < ${ver_arch["${pkgname}"]} ]] ; then
if [[ $verbose == 0 ]] ; then
# Print Parabola package data line
printf "${printf_format}" \
"<" \
"${pkgname}" \
"${ver}" \
"${time}" \
"${maintainer}"
else
# Print Parabola package data line
printf "${printf_format}" \
"${pkgname}" \
"${ver}" \
"${time}" \
"${maintainer}"
fi
# Print AUR package data line
printf "${printf_format_arch}" \
"" \
"${ver_arch["${pkgname}"]}" \
"${time_arch["${pkgname}"]}" \
"${maintainer_arch["${pkgname}"]}"
elif [[ ${ver} == ${ver_arch["${pkgname}"]} ]] ; then
if [[ $verbose == 0 ]] ; then
echo "= ${pkgname}"
fi
else
if [[ $verbose == 0 ]] ; then
echo "> ${pkgname}"
fi
fi
else
if [[ $verbose == 0 ]] ; then
echo "o ${pkgname}"
fi
fi
done < /tmp/aur-vs-pcr.tmp
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