#!/bin/bash # # repo-add - add a package to a given repo database file # repo-remove - remove a package entry from a given repo database file # @configure_input@ # # Copyright (c) 2006-2008 Aaron Griffin <aaron@archlinux.org> # Copyright (c) 2007-2008 Dan McGee <dan@archlinux.org> # # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation; either version 2 of the License, or # (at your option) any later version. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program. If not, see <http://www.gnu.org/licenses/>. # gettext initialization export TEXTDOMAIN='pacman' export TEXTDOMAINDIR='@localedir@' myver='@PACKAGE_VERSION@' confdir='@sysconfdir@' QUIET=0 REPO_DB_FILE= LOCKFILE= CLEAN_LOCK=0 startdir="$PWD" # ensure we have a sane umask set umask 0022 msg() { local mesg=$1; shift printf "==> ${mesg}\n" "$@" >&1 } msg2() { (( QUIET )) && return local mesg=$1; shift printf " -> ${mesg}\n" "$@" >&1 } warning() { local mesg=$1; shift printf "==> $(gettext "WARNING:") ${mesg}\n" "$@" >&2 } error() { local mesg=$1; shift printf "==> $(gettext "ERROR:") ${mesg}\n" "$@" >&2 } # print usage instructions usage() { printf "repo-add, repo-remove (pacman) %s\n\n" "$myver" printf "$(gettext "Usage: repo-add [-q] <path-to-db> <package|delta> ...\n")" printf "$(gettext "Usage: repo-remove [-q] <path-to-db> <packagename|delta> ...\n\n")" printf "$(gettext "\ repo-add will update a package database by reading a package file.\n\ Multiple packages to add can be specified on the command line.\n\n")" printf "$(gettext "\ repo-remove will update a package database by removing the package name\n\ specified on the command line from the given repo database. Multiple\n\ packages to remove can be specified on the command line.\n\n")" printf "$(gettext "\ Use the -q/--quiet flag to minimize output to basic messages, warnings,\n\ and errors\n\n")" echo "$(gettext "Example: repo-add /path/to/repo.db.tar.gz pacman-3.0.0.pkg.tar.gz")" echo "$(gettext "Example: repo-remove /path/to/repo.db.tar.gz kernel26")" } version() { printf "repo-add, repo-remove (pacman) %s\n\n" "$myver" printf "$(gettext "\ Copyright (C) 2006-2008 Aaron Griffin <aaron@archlinux.org>.\n\ Copyright (c) 2007-2008 Dan McGee <dan@archlinux.org>.\n\n\ This is free software; see the source for copying conditions.\n\ There is NO WARRANTY, to the extent permitted by law.\n")" } # write a list entry # arg1 - Entry name # arg2 - List # arg3 - File to write to write_list_entry() { if [[ -n $2 ]]; then echo "%$1%" >>$3 echo -e $2 >>$3 fi } find_pkgentry() { local pkgname=$1 local pkgentry for pkgentry in $tmpdir/$pkgname*; do name=${pkgentry##*/} if [[ ${name%-*-*} = $pkgname ]]; then echo $pkgentry return 0 fi done return 1 } # Get the package name from the delta filename get_delta_pkgname() { local tmp tmp=${1##*/} echo ${tmp%-*-*_to*} } # write a delta entry # arg1 - path to delta file db_write_delta() { deltafile="$1" pkgname="$(get_delta_pkgname $deltafile)" pkgentry=$(find_pkgentry $pkgname) if [[ -z $pkgentry ]]; then return 1 fi deltas="$pkgentry/deltas" # create deltas file if it does not already exist if [[ ! -f $deltas ]]; then msg2 "$(gettext "Creating 'deltas' db entry...")" echo -e "%DELTAS%" >>$deltas fi # get md5sum and compressed size of package md5sum="$(openssl dgst -md5 "$deltafile")" md5sum="${md5sum##* }" csize=$(@SIZECMD@ "$deltafile") oldfile=$(xdelta3 printhdr $deltafile | grep "XDELTA filename (source)" | sed 's/.*: *//') newfile=$(xdelta3 printhdr $deltafile | grep "XDELTA filename (output)" | sed 's/.*: *//') if grep -q "$oldfile.*$newfile" $deltas; then warning "$(gettext "An entry for '%s' already existed")" "$deltafile" sed -i.backup "/$oldfile.*$newfile/d" $deltas && rm -f $deltas.backup msg2 "$(gettext "Removing existing entry '%s'...")" "$deltafile" fi echo ${deltafile##*/} $md5sum $csize $oldfile $newfile >> $deltas return 0 } # end db_write_delta # remove a delta entry # arg1 - path to delta file db_remove_delta() { deltafile="$1" filename=${deltafile##*/} pkgname="$(get_delta_pkgname $deltafile)" pkgentry=$(find_pkgentry $pkgname) if [[ -z $pkgentry ]]; then return 1 fi deltas="$pkgentry/deltas" if [[ ! -f $deltas ]]; then return 1 fi if grep -q "$filename" $deltas; then sed -i.backup "/$filename/d" $deltas && rm -f $deltas.backup msg2 "$(gettext "Removing existing entry '%s'...")" "$filename" return 0 fi return 1 } # end db_remove_delta # write an entry to the pacman database # arg1 - path to package db_write_entry() { # blank out all variables local pkgfile="$1" local pkgname pkgver pkgdesc csize size md5sum url arch builddate packager force \ _groups _licenses _replaces _depends _conflicts _provides _optdepends local OLDIFS="$IFS" # IFS (field separator) is only the newline character IFS=" " # read info from the zipped package local line var val for line in $(bsdtar -xOqf "$pkgfile" .PKGINFO | grep -v '^#' | sed 's|\(\w*\)\s*=\s*\(.*\)|\1 \2|'); do # bash awesomeness here- var is always one word, val is everything else var=${line%% *} val=${line#* } declare $var="$val" case "$var" in group) _groups="$_groups$group\n" ;; license) _licenses="$_licenses$license\n" ;; replaces) _replaces="$_replaces$replaces\n" ;; depend) _depends="$_depends$depend\n" ;; conflict) _conflicts="$_conflicts$conflict\n" ;; provides) _provides="$_provides$provides\n" ;; optdepend) _optdepends="$_optdepends$optdepend\n" ;; esac done IFS=$OLDIFS # get md5sum and compressed size of package md5sum="$(openssl dgst -md5 "$pkgfile")" md5sum="${md5sum##* }" csize=$(@SIZECMD@ "$pkgfile") # ensure $pkgname and $pkgver variables were found if [[ -z $pkgname || -z $pkgver ]]; then error "$(gettext "Invalid package file '%s'.")" "$pkgfile" return 1 fi cd "$tmpdir" if [[ -d $pkgname-$pkgver ]]; then warning "$(gettext "An entry for '%s' already existed")" "$pkgname-$pkgver" fi # remove an existing entry if it exists, ignore failures db_remove_entry "$pkgname" # create package directory mkdir "$pkgname-$pkgver" cd "$pkgname-$pkgver" # restore an eventual deltas file [[ -f ../$pkgname.deltas ]] && mv "../$pkgname.deltas" deltas # create desc entry msg2 "$(gettext "Creating 'desc' db entry...")" echo -e "%FILENAME%\n$(basename "$1")\n" >>desc echo -e "%NAME%\n$pkgname\n" >>desc [[ -n $pkgbase ]] && echo -e "%BASE%\n$pkgbase\n" >>desc echo -e "%VERSION%\n$pkgver\n" >>desc [[ -n $pkgdesc ]] && echo -e "%DESC%\n$pkgdesc\n" >>desc write_list_entry "GROUPS" "$_groups" "desc" [[ -n $csize ]] && echo -e "%CSIZE%\n$csize\n" >>desc [[ -n $size ]] && echo -e "%ISIZE%\n$size\n" >>desc # compute checksums msg2 "$(gettext "Computing md5 checksums...")" echo -e "%MD5SUM%\n$md5sum\n" >>desc [[ -n $url ]] && echo -e "%URL%\n$url\n" >>desc write_list_entry "LICENSE" "$_licenses" "desc" [[ -n $arch ]] && echo -e "%ARCH%\n$arch\n" >>desc [[ -n $builddate ]] && echo -e "%BUILDDATE%\n$builddate\n" >>desc [[ -n $packager ]] && echo -e "%PACKAGER%\n$packager\n" >>desc write_list_entry "REPLACES" "$_replaces" "desc" [[ -n $force ]] && echo -e "%FORCE%\n" >>desc # create depends entry msg2 "$(gettext "Creating 'depends' db entry...")" # create the file even if it will remain empty touch "depends" write_list_entry "DEPENDS" "$_depends" "depends" write_list_entry "CONFLICTS" "$_conflicts" "depends" write_list_entry "PROVIDES" "$_provides" "depends" write_list_entry "OPTDEPENDS" "$_optdepends" "depends" cd "$startdir" return 0 } # end db_write_entry # remove existing entries from the DB # arg1 - package name db_remove_entry() { local pkgname=$1 local notfound=1 local pkgentry=$(find_pkgentry $pkgname) while [[ -n $pkgentry ]]; do notfound=0 if [[ -f $pkgentry/deltas ]]; then mv "$pkgentry/deltas" "$tmpdir/$pkgname.deltas" fi msg2 "$(gettext "Removing existing entry '%s'...")" \ "$(basename $pkgentry)" rm -rf $pkgentry pkgentry=$(find_pkgentry $pkgname) done return $notfound } # end db_remove_entry check_repo_db() { # check lock file if ( set -o noclobber; echo "$$" > "$LOCKFILE") 2> /dev/null; then CLEAN_LOCK=1 else error "$(gettext "Failed to acquire lockfile: %s.")" "$LOCKFILE" [[ -f $LOCKFILE ]] && error "$(gettext "Held by process %s")" "$(cat $LOCKFILE)" exit 1 fi if [[ -f $REPO_DB_FILE ]]; then # there are two situations we can have here- a DB with some entries, # or a DB with no contents at all. if ! bsdtar -tqf "$REPO_DB_FILE" '*/desc' >/dev/null 2>&1; then # check empty case if [[ -n $(bsdtar -tqf "$REPO_DB_FILE" '*' 2>/dev/null) ]]; then error "$(gettext "Repository file '%s' is not a proper pacman database.")" "$REPO_DB_FILE" exit 1 fi fi msg "$(gettext "Extracting database to a temporary location...")" bsdtar -xf "$REPO_DB_FILE" -C "$tmpdir" else case "$cmd" in repo-remove) error "$(gettext "Repository file '%s' was not found.")" "$REPO_DB_FILE" exit 1 ;; repo-add) # check if the file can be created (write permission, directory existence, etc) if ! touch "$REPO_DB_FILE"; then error "$(gettext "Repository file '%s' could not be created.")" "$REPO_DB_FILE" exit 1 fi rm -f "$REPO_DB_FILE" ;; esac fi } add() { if [[ ! -f $1 ]]; then error "$(gettext "File '%s' not found.")" "$1" return 1 fi if [[ ${1##*.} == "delta" ]]; then deltafile=$1 msg "$(gettext "Adding delta '%s'")" "$deltafile" if ! type xdelta3 &>/dev/null; then error "$(gettext "Cannot find the xdelta3 binary! Is xdelta3 installed?")" exit 1 fi if db_write_delta "$deltafile"; then return 0 else return 1 fi fi pkgfile=$1 if ! bsdtar -tqf "$pkgfile" .PKGINFO >/dev/null 2>&1; then error "$(gettext "'%s' is not a package file, skipping")" "$pkgfile" return 1 fi msg "$(gettext "Adding package '%s'")" "$pkgfile" db_write_entry "$pkgfile" } remove() { if [[ ${1##*.} == "delta" ]]; then deltafile=$1 msg "$(gettext "Searching for delta '%s'...")" "$deltafile" if db_remove_delta "$deltafile"; then return 0 else error "$(gettext "Delta matching '%s' not found.")" "$deltafile" return 1 fi fi pkgname=$1 msg "$(gettext "Searching for package '%s'...")" "$pkgname" if db_remove_entry "$pkgname"; then rm -f "$tmpdir/$pkgname.deltas" return 0 else error "$(gettext "Package matching '%s' not found.")" "$pkgname" return 1 fi } trap_exit() { echo error "$@" exit 1 } clean_up() { local exit_code=$? cd "$startdir" [[ -d $tmpdir ]] && rm -rf "$tmpdir" (( CLEAN_LOCK )) && [[ -f $LOCKFILE ]] && rm -f "$LOCKFILE" exit $exit_code } # PROGRAM START # determine whether we have gettext; make it a no-op if we do not if ! type gettext &>/dev/null; then gettext() { echo "$@" } fi case "$1" in -h|--help) usage; exit 0;; -V|--version) version; exit 0;; esac # figure out what program we are cmd="$(basename $0)" if [[ $cmd != "repo-add" && $cmd != "repo-remove" ]]; then error "$(gettext "Invalid command name '%s' specified.")" "$cmd" exit 1 fi tmpdir=$(mktemp -d /tmp/repo-tools.XXXXXXXXXX) || (\ error "$(gettext "Cannot create temp directory for database building.")"; \ exit 1) trap 'clean_up' EXIT trap 'trap_exit "$(gettext "TERM signal caught. Exiting...")"' TERM HUP QUIT trap 'trap_exit "$(gettext "Aborted by user! Exiting...")"' INT trap 'trap_exit "$(gettext "An unknown error has occured. Exiting...")"' ERR success=0 # parse arguments for arg in "$@"; do case "$arg" in -q|--quiet) QUIET=1;; *) if [[ -z $REPO_DB_FILE ]]; then REPO_DB_FILE="$arg" LOCKFILE="$REPO_DB_FILE.lck" check_repo_db else case "$cmd" in repo-add) add $arg && success=1 ;; repo-remove) remove $arg && success=1 ;; esac fi ;; esac done # if at least one operation was a success, re-zip database if (( success )); then msg "$(gettext "Creating updated database file '%s'")" "$REPO_DB_FILE" case "$REPO_DB_FILE" in *tar.gz) TAR_OPT="z" ;; *tar.bz2) TAR_OPT="j" ;; *tar.xz) TAR_OPT="J" ;; *) warning "$(gettext "'%s' does not have a valid archive extension.")" \ "$REPO_DB_FILE" ;; esac filename=$(basename "$REPO_DB_FILE") cd "$tmpdir" if [[ -n $(ls) ]]; then bsdtar -c${TAR_OPT}f "$filename" * else # we have no packages remaining? zip up some emptyness warning "$(gettext "No packages remain, creating empty database.")" bsdtar -c${TAR_OPT}f "$filename" -T /dev/null fi cd "$startdir" [[ -f $REPO_DB_FILE ]] && mv -f "$REPO_DB_FILE" "${REPO_DB_FILE}.old" [[ -f $tmpdir/$filename ]] && mv "$tmpdir/$filename" "$REPO_DB_FILE" else msg "$(gettext "No packages modified, nothing to do.")" exit 1 fi exit 0 # vim: set ts=2 sw=2 noet: