From 4f8721564f5d29a89a6af04b002f370fdc0fafc4 Mon Sep 17 00:00:00 2001 From: Luke Shumaker Date: Thu, 19 Jun 2014 20:19:00 -0400 Subject: add alfplayer's libredbdiff script --- src/abslibre-tools/libredbdiff | 141 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 141 insertions(+) create mode 100755 src/abslibre-tools/libredbdiff (limited to 'src/abslibre-tools') diff --git a/src/abslibre-tools/libredbdiff b/src/abslibre-tools/libredbdiff new file mode 100755 index 0000000..67b3245 --- /dev/null +++ b/src/abslibre-tools/libredbdiff @@ -0,0 +1,141 @@ +#!/bin/bash + +name="Libredbdiff" + +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" + +mirrorlist="$baseconfpath/mirrorlist.parabola" +mirrorlistarch="$baseconfpath/mirrorlist.archlinux" + +mirror='http://repo.parabolagnulinux.org/$repo/os/$arch' +mirrorarch='http://mirrors.kernel.org/archlinux/$repo/os/$arch' + + +error() { echo -e "Error. $@" > /dev/stderr ; exit 1; } + +if [[ $# == 1 ]] ; then + [[ $1 == -n ]] && UPDATE=0 + [[ $1 == -h ]] && { echo -e "${name}. Show [libre] packages that need to be updated from Arch repositories.\n\nUsage:\nlibredbdiff\t\tInitialize (first run) or update pacman databases\nlibredbdiff -n\t\tPrint results" ; exit 0 ; } +elif [[ $# != 0 ]] ; then + error "Bad arguments. Nothing done." +else + UPDATE=1 +fi + +if (( $UPDATE )) ; then + [[ $EUID != 0 ]] && { error "To initialize $name or update $name pacman databases, the script must be run as root. Nothing done." ; } + + [[ -d "$baseconfpath" && -d "$basedbpath" && -d "$dbpath" && -d "$dbpatharch" && -e "${conffile}" && -e "${conffilearch}" && -e "${mirrorlist}" && -e "${mirrorlist}" ]] || { echo "${name} files are missing. Initializing." ; init=1 ; } + + createdir() { + if [[ ! -e $1 ]] ; then + echo "Creating directory $1" + mkdir "$1" || error "Failed to create directory $1. Exiting." + else + [[ $init ]] && echo "Warning. ${1} already exists. Skipping." + fi + } + createdir "$baseconfpath" + createdir "$basedbpath" + createdir "$dbpath" + createdir "$dbpatharch" + + downloadfile() { + if [[ ! -e $1 ]] ; then + echo "$2" + if wget -q "$3" -O "$1"; then + return 255 + else + error "Failed to download ${1}. Exiting." + fi + else + [[ $init ]] && echo "Warning. ${1} already exists. Skipping." + fi + } + downloadfile "${conffile}" "Downloading Parabola pacman.conf" "https://projects.parabolagnulinux.org/abslibre.git/plain/libre/pacman/pacman.conf.x86_64" + + downloadfile "${conffilearch}" "Downloading Arch pacman.conf" "https://projects.archlinux.org/svntogit/packages.git/plain/pacman/trunk/pacman.conf.x86_64" + if [[ $? == 255 ]] ; then + echo "Setting Arch mirrorlist file in ${conffilearch}" + sed -i "s|/etc/pacman\.d/mirrorlist$|$baseconfpath/mirrorlist.archlinux|" "${conffilearch}" + fi + + setmirror() { + local distro="$1" + local mirror="$2" + local mirrorlist="$3" + [[ $init ]] && [[ $mirror ]] && { + mirrorescaped="${mirror//./\\.}" ; mirrorescaped="${mirrorescaped//\$/\\$}" + echo "Setting ${mirror} as the only enabled ${distro} mirror." && \ + sed -i 's|^#\(Server = '"${mirrorescaped}"'\)$|\1|' "${mirrorlist}" + } + } + + downloadfile "${mirrorlist}" "Downloading Parabola mirrorlist" "https://repo.parabolagnulinux.org/mirrorlist.txt" + if [[ $? == 255 ]] ; then + sed -i 's|^Server|#Server|' "${mirrorlist}" + setmirror "Parabola" "$mirror" "$mirrorlist" + fi + + downloadfile "${mirrorlistarch}" "Downloading Arch mirrorlist" "https://projects.archlinux.org/svntogit/packages.git/plain/pacman-mirrorlist/trunk/mirrorlist" + if [[ $? == 255 ]] ; then + setmirror "Arch" "$mirrorarch" "$mirrorlistarch" + fi + + echo -e "\nSynchronizing $name pacman databases for Parabola" + pacman --config "${conffile}" -b "${dbpath}" -Sy || error "Failed to synchronize pacman database for Parabola. Exiting." + + echo -e "\nSynchronizing $name pacman databases for Arch" + pacman --config "${conffilearch}" -b "${dbpatharch}" -Sy || error "Failed to synchronize pacman database for Arch. Exiting." + + echo + echo "$name pacman databases are updated. $name is ready. Run libredbdiff -n to print results." + exit 0 +else + filenotfound() { + [[ ! -r $1 ]] && { error "Could not read $1. Nothing done.\nIt may be necessary to run libredbdiff without arguments as root to initialize ${name}." ; } + } + filenotfound "${dbpath}" + filenotfound "${dbpatharch}" + filenotfound "${conffile}" + filenotfound "${conffilearch}" + filenotfound "${mirrorlist}" + filenotfound "${mirrorlistarch}" +fi + +unset provides ver verarch +declare -Ax provides ver verarch + +comparepkgs() { + if [[ ${verarch["$pkgname"]} ]] ; then + cmp=$(vercmp ${ver["$pkgname"]} ${verarch["$pkgname"]}) + [[ $cmp -lt 0 ]] && echo "${pkgname} needs update from the Arch package of the same name. Versions: ${ver["$pkgname"]} - ${verarch["$pkgname"]}" + elif [[ ${provides["$pkgname"]} ]] ; then + for provide in ${provides["$pkgname"]} ; do + [[ ${verarch["$provide"]} ]] && { + cmp=$(vercmp "${ver["$pkgname"]}" "${verarch["$provide"]}") + [[ $cmp -lt 0 ]] && echo "${pkgname} may need update from provide candidate ${provide}. Versions: ${ver["$pkgname"]} - ${verarch["$provide"]}" + } + done + else + echo "Could not find candidate to compare ${pkgname}" + fi +} + +while read -a line ; do + verarch["${line[0]}"]="${line[1]}" +done < <(pacman --dbpath "${dbpatharch}" --config "${conffilearch}" -Ss | grep -v '^ ' | awk -F/ '{print $2}') + +expac -b "${dbpath}" -c "${conffile}" -Ss '%r/%n %v %S' | awk -F/ '$1 == "libre" {print $2}' | while read -a line ; do + ver["${line[0]}"]="${line[1]}" + provides[${line[0]}]="${line[@]:2}" + pkgname=${line[0]} + comparepkgs +done -- cgit v1.2.3-54-g00ecf