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|
#!@BASH_SHELL@
#
# 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) 2006-2011 Pacman Development Team <pacman-dev@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/>.
shopt -s extglob
# gettext initialization
export TEXTDOMAIN='pacman-scripts'
export TEXTDOMAINDIR='@localedir@'
myver='@PACKAGE_VERSION@'
confdir='@sysconfdir@'
QUIET=0
DELTA=0
WITHFILES=0
SIGN=0
VERIFY=0
REPO_DB_FILE=
LOCKFILE=
CLEAN_LOCK=0
# ensure we have a sane umask set
umask 0022
m4_include(library/output_format.sh)
# print usage instructions
usage() {
cmd=${0##*/}
printf "%s (pacman) %s\n\n" "$cmd" "$myver"
if [[ $cmd == "repo-add" ]] ; then
printf "$(gettext "Usage: repo-add [options] <path-to-db> <package|delta> ...\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 "Options:\n")"
printf "$(gettext " -d, --delta generate and add delta for package update\n")"
printf "$(gettext " -f, --files update database's file list\n")"
elif [[ $cmd == "repo-remove" ]] ; then
printf "$(gettext "Usage: repo-remove [options] <path-to-db> <packagename|delta> ...\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 "Options:\n")"
fi
printf "$(gettext " -q, --quiet minimize output\n")"
printf "$(gettext " -s, --sign sign database with GnuPG after update\n")"
printf "$(gettext " -k, --key <key> use the specified key to sign the database\n")"
printf "$(gettext " -v, --verify verify database's signature before update\n")"
printf "$(gettext "\n\
See %s(8) for more details and descriptions of the available options.\n\n")" $cmd
if [[ $cmd == "repo-add" ]] ; then
echo "$(gettext "Example: repo-add /path/to/repo.db.tar.gz pacman-3.0.0-1-i686.pkg.tar.gz")"
elif [[ $cmd == "repo-remove" ]] ; then
echo "$(gettext "Example: repo-remove /path/to/repo.db.tar.gz kernel26")"
fi
}
version() {
cmd=${0##*/}
printf "%s (pacman) %s\n\n" "$cmd" "$myver"
printf "$(gettext "\
Copyright (c) 2006-2011 Pacman Development Team <pacman-dev@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")"
}
# format a metadata entry
# arg1 - Entry name
# ... - value(s)
format_entry() {
local field=$1; shift
if [[ $1 ]]; then
printf '%%%s%%\n' "$field"
printf '%s\n' "$@"
printf '\n'
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 $pkgentry ]]; then
error "$(gettext "No database entry for package '%s'.")" "$pkgname"
return 1
fi
deltas="$pkgentry/deltas"
if [[ ! -f $deltas ]]; then
echo -e "%DELTAS%" >$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" $deltas; then
sed -i.backup "/$oldfile.*$newfile/d" $deltas && rm -f $deltas.backup
fi
msg2 "$(gettext "Adding 'deltas' entry : %s -> %s")" "$oldfile" "$newfile"
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'...")" "$filename"
return 0
fi
return 1
} # end db_remove_delta
check_gpg() {
if ! type -p gpg >/dev/null; then
error "$(gettext "Cannot find the gpg binary! Is gnupg installed?")"
exit 1 # $E_MISSING_PROGRAM
fi
}
# sign the package database once repackaged
create_signature() {
(( ! SIGN )) && return
local dbfile="$1"
local ret=0
msg "$(gettext "Signing database...")"
local SIGNWITHKEY=""
if [[ -n $GPGKEY ]]; then
SIGNWITHKEY="-u ${GPGKEY}"
fi
gpg --detach-sign --use-agent ${SIGNWITHKEY} "$dbfile" &>/dev/null || ret=$?
if (( ! ret )); then
msg2 "$(gettext "Created signature file %s.")" "$dbfile.sig"
else
warning "$(gettext "Failed to sign package database.")"
fi
}
# verify the existing package database signature
verify_signature() {
(( ! VERIFY )) && return
local dbfile="$1"
local ret=0
msg "$(gettext "Verifying database signature...")"
if [[ ! -f $dbfile.sig ]]; then
warning "$(gettext "No existing signature found, skipping verification.")"
return
fi
gpg --verify "$dbfile.sig" || ret=$?
if (( ! ret )); then
msg2 "$(gettext "Database signature file verified.")"
else
error "$(gettext "Database signature was NOT valid!")"
exit 1
fi
}
verify_repo_extension() {
local repofile=$1
case "$repofile" in
*.@(db|files).tar.gz) TAR_OPT="z" ;;
*.@(db|files).tar.bz2) TAR_OPT="j" ;;
*.@(db|files).tar.xz) TAR_OPT="J" ;;
*.@(db|files).tar) TAR_OPT="" ;;
*) error "$(gettext "'%s' does not have a valid archive extension.")" \
"$repofile"
exit 1 ;;
esac
printf '%s' "$TAR_OPT"
}
# write an entry to the pacman database
# arg1 - path to package
db_write_entry() {
# blank out all variables
local pkgfile="$1"
local -a _groups _licenses _replaces _depends _conflicts _provides _optdepends
local pkgname pkgver pkgdesc csize size url arch builddate packager \
md5sum sha256sum pgpsig
# read info from the zipped package
local line var val
while read -r line; do
[[ ${line:0:1} = '#' ]] && continue
IFS=' =' read -r var val < <(printf '%s\n' "$line")
# normalize whitespace with an extglob
declare "$var=${val//+([[:space:]])/ }"
case "$var" in
group) _groups+=("$group") ;;
license) _licenses+=("$license") ;;
replaces) _replaces+=("$replaces") ;;
depend) _depends+=("$depend") ;;
conflict) _conflicts+=("$conflict") ;;
provides) _provides+=("$provides") ;;
optdepend) _optdepends+=("$optdepend") ;;
esac
done< <(bsdtar -xOqf "$pkgfile" .PKGINFO)
csize=$(@SIZECMD@ "$pkgfile")
# compute checksums
msg2 "$(gettext "Computing checksums...")"
md5sum="$(openssl dgst -md5 "$pkgfile")"
md5sum="${md5sum##* }"
sha256sum="$(openssl dgst -sha256 "$pkgfile")"
sha256sum="${sha256sum##* }"
# compute base64'd PGP signature
if [[ -f "$pkgfile.sig" ]]; then
pgpsig=$(openssl base64 -in "$pkgfile.sig" | tr -d '\n')
fi
# ensure $pkgname and $pkgver variables were found
if [[ -z $pkgname || -z $pkgver ]]; then
error "$(gettext "Invalid package file '%s'.")" "$pkgfile"
return 1
fi
pushd "$tmpdir" >/dev/null
if [[ -d $pkgname-$pkgver ]]; then
warning "$(gettext "An entry for '%s' already existed")" "$pkgname-$pkgver"
else
if (( DELTA )); then
pkgentry=$(find_pkgentry $pkgname)
if [[ -n $pkgentry ]]; then
local oldfilename=$(grep -A1 FILENAME $pkgentry/desc | tail -n1)
local oldfile="$(dirname $1)/$oldfilename"
fi
fi
fi
# remove an existing entry if it exists, ignore failures
db_remove_entry "$pkgname"
# create package directory
mkdir "$pkgname-$pkgver"
pushd "$pkgname-$pkgver" >/dev/null
# restore an eventual deltas file
[[ -f ../$pkgname.deltas ]] && mv "../$pkgname.deltas" deltas
# create desc entry
msg2 "$(gettext "Creating '%s' db entry...")" 'desc'
{
format_entry "FILENAME" "${1##*/}"
format_entry "NAME" "$pkgname"
format_entry "BASE" "$pkgbase"
format_entry "VERSION" "$pkgver"
format_entry "DESC" "$pkgdesc"
format_entry "GROUPS" "${_groups[@]}"
format_entry "CSIZE" "$csize"
format_entry "ISIZE" "$size"
# add checksums
format_entry "MD5SUM" "$md5sum"
format_entry "SHA256SUM" "$sha256sum"
# add PGP sig
format_entry "PGPSIG" "$pgpsig"
format_entry "URL" "$url"
format_entry "LICENSE" "${_licenses[@]}"
format_entry "ARCH" "$arch"
format_entry "BUILDDATE" "$builddate"
format_entry "PACKAGER" "$packager"
format_entry "REPLACES" "${_replaces[@]}"
} >'desc'
# create depends entry
msg2 "$(gettext "Creating '%s' db entry...")" 'depends'
{
format_entry "DEPENDS" "${_depends[@]}"
format_entry "CONFLICTS" "${_conflicts[@]}"
format_entry "PROVIDES" "${_provides[@]}"
format_entry "OPTDEPENDS" "${_optdepends[@]}"
} >'depends'
popd >/dev/null
popd >/dev/null
# create files file if wanted
if (( WITHFILES )); then
msg2 "$(gettext "Creating '%s' db entry...")" 'files'
local files_path="$tmpdir/$pkgname-$pkgver/files"
echo "%FILES%" >$files_path
bsdtar --exclude='^.*' -tf "$pkgfile" >>$files_path
fi
# create a delta file
if (( DELTA )); then
if [[ -n $oldfilename ]]; then
if [[ -f $oldfile ]]; then
delta=$(pkgdelta -q $oldfile $1)
if [[ -f $delta ]]; then
db_write_delta $delta
fi
else
warning "$(gettext "Old package file not found: %s")" "$oldfilename"
fi
fi
fi
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 "$(gettext "Removing existing entry '%s'...")" \
"${pkgentry##*/}"
rm -rf $pkgentry
pkgentry=$(find_pkgentry $pkgname)
done
return $notfound
} # end db_remove_entry
elephant() {
case $(( RANDOM % 2 )) in
0) printf '%s\n' "H4sIAL3qBE4CAyWLwQ3AMAgD/0xh5UPzYiFUMgjq7LUJsk7yIQNAQTAikFUDnqkr" \
"OQFOUm0Wd9pHCi13ONjBpVdqcWx+EdXVX4vXvGv5cgztB9+fJxZ7AAAA"
;;
1) printf '%s\n' "H4sIAJVWBU4CA21RMQ7DIBDbeYWrDgQJ7rZ+IA/IB05l69alcx5fc0ASVXUk4jOO" \
"7yAAUWtorygwJ4hlMii0YkJKKRKGvsMsiykl1SalvrMD1gUXyXRkGZPx5OPft81K" \
"tNAiAjyGjYO47h1JjizPkJrCWbK/4C+uLkT7bzpGc7CT9bmOzNSW5WLSO5vexjmH" \
"ZL9JFFZeAa0a2+lKjL2anpYfV+0Zx9LJ+/MC8nRayuDlSNy2rfAPibOzsiWHL0jL" \
"SsjFAQAA"
;;
esac | openssl base64 -d | gzip -d
exit 0
}
check_repo_db() {
local repodir
# ensure the path to the DB exists
if [[ "$LOCKFILE" == /* ]]; then
repodir=${LOCKFILE%/*}/
else
repodir=$PWD/$LOCKFILE
repodir=${repodir%/*}/
fi
if [[ ! -d "$repodir" ]]; then
error "$(gettext "%s does not exist or is not a directory.")" "$repodir"
exit 1
fi
# 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
verify_signature "$REPO_DB_FILE"
msg "$(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 "$@"
exit 1
}
clean_up() {
local exit_code=$?
[[ -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 "$1" in
-h|--help) usage; exit 0;;
-V|--version) version; exit 0;;
esac
# figure out what program we are
cmd=${0##*/}
if [[ $cmd == "repo-elephant" ]]; then
elephant
exit 0
fi
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
declare -a args
success=0
# parse arguments
while (( $# )); do
case "$1" in
-q|--quiet) QUIET=1;;
-d|--delta) DELTA=1;;
-f|--files) WITHFILES=1;;
-s|--sign)
check_gpg
SIGN=1
if ! gpg --list-key ${GPGKEY} &>/dev/null; then
if [[ ! -z $GPGKEY ]]; then
error "$(gettext "The key ${GPGKEY} does not exist in your keyring.")"
else
error "$(gettext "There is no key in your keyring.")"
fi
exit 1
fi
;;
-k|--key)
check_gpg
shift
GPGKEY="$1"
if ! gpg --list-key ${GPGKEY} &>/dev/null; then
error "$(gettext "The key ${GPGKEY} does not exist in your keyring.")"
exit 1
fi
;;
-v|--verify)
check_gpg
VERIFY=1
;;
*)
args+=("$1")
;;
esac
shift
done
REPO_DB_FILE=${args[0]}
LOCKFILE=$REPO_DB_FILE.lck
verify_repo_extension "$REPO_DB_FILE" >/dev/null
check_repo_db
for arg in "${args[@]:1}"; do
case "$cmd" in
repo-add) add "$arg" ;;
repo-remove) remove "$arg" ;;
esac && success=1
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"
TAR_OPT=$(verify_repo_extension "$REPO_DB_FILE")
filename=${REPO_DB_FILE##*/}
pushd "$tmpdir" >/dev/null
# strip the './' off filenames; this also allows us to tar an empty dir
bsdtar -s %^./%% -c${TAR_OPT}f "$REPO_DB_FILE" ./
create_signature "$filename"
popd >/dev/null
[[ -f $REPO_DB_FILE ]] && mv -f "$REPO_DB_FILE" "${REPO_DB_FILE}.old"
[[ -f $REPO_DB_FILE.sig ]] && rm -f "$REPO_DB_FILE.sig"
[[ -f $tmpdir/$filename ]] && mv "$tmpdir/$filename" "$REPO_DB_FILE"
[[ -f $tmpdir/$filename.sig ]] && mv "$tmpdir/$filename.sig" "$REPO_DB_FILE.sig"
dblink="${REPO_DB_FILE%.tar*}"
target=${REPO_DB_FILE##*/}
rm -f "$dblink"
ln -s "$target" "$dblink" 2>/dev/null || \
ln "$target" "$dblink" 2>/dev/null || \
cp "$REPO_DB_FILE" "$dblink"
if [[ -f "$target.sig" ]]; then
rm -f "$dblink.sig"
ln -s "$target.sig" "$dblink.sig" 2>/dev/null || \
ln "$target.sig" "$dblink.sig" 2>/dev/null || \
cp "$REPO_DB_FILE.sig" "$dblink.sig"
fi
else
msg "$(gettext "No packages modified, nothing to do.")"
exit 1
fi
exit 0
# vim: set ts=2 sw=2 noet:
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