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|
#!/bin/bash
#
# sogrep - find shared library links in an Arch Linux repository.
#
# Copyright (c) 2019 by Eli Schwartz <eschwartz@archlinux.org>
#
# SPDX-License-Identifier: GPL-3.0-or-later
#!/hint/bash
#
# This may be included with or without `set -euE`
#
# SPDX-License-Identifier: GPL-3.0-or-later
[[ -z ${_INCLUDE_COMMON_SH:-} ]] || return 0
_INCLUDE_COMMON_SH="$(set +o|grep nounset)"
set +u +o posix
# shellcheck disable=1091
. /usr/share/makepkg/util.sh
$_INCLUDE_COMMON_SH
# Avoid any encoding problems
export LANG=C
# Set buildtool properties
export BUILDTOOL=devtools
export BUILDTOOLVER=20221012-2-any
# check if messages are to be printed using color
if [[ -t 2 && "$TERM" != dumb ]]; then
colorize
else
# shellcheck disable=2034
declare -gr ALL_OFF='' BOLD='' BLUE='' GREEN='' RED='' YELLOW=''
fi
stat_busy() {
local mesg=$1; shift
# shellcheck disable=2059
printf "${GREEN}==>${ALL_OFF}${BOLD} ${mesg}...${ALL_OFF}" "$@" >&2
}
stat_done() {
# shellcheck disable=2059
printf "${BOLD}done${ALL_OFF}\n" >&2
}
_setup_workdir=false
setup_workdir() {
[[ -z ${WORKDIR:-} ]] && WORKDIR=$(mktemp -d --tmpdir "${0##*/}.XXXXXXXXXX")
_setup_workdir=true
trap 'trap_abort' INT QUIT TERM HUP
trap 'trap_exit' EXIT
}
cleanup() {
if [[ -n ${WORKDIR:-} ]] && $_setup_workdir; then
rm -rf "$WORKDIR"
fi
exit "${1:-0}"
}
abort() {
error 'Aborting...'
cleanup 255
}
trap_abort() {
trap - EXIT INT QUIT TERM HUP
abort
}
trap_exit() {
local r=$?
trap - EXIT INT QUIT TERM HUP
cleanup $r
}
die() {
(( $# )) && error "$@"
cleanup 255
}
##
# usage : lock( $fd, $file, $message, [ $message_arguments... ] )
##
lock() {
# Only reopen the FD if it wasn't handed to us
if ! [[ "/dev/fd/$1" -ef "$2" ]]; then
mkdir -p -- "$(dirname -- "$2")"
eval "exec $1>"'"$2"'
fi
if ! flock -n "$1"; then
stat_busy "${@:3}"
flock "$1"
stat_done
fi
}
##
# usage : slock( $fd, $file, $message, [ $message_arguments... ] )
##
slock() {
# Only reopen the FD if it wasn't handed to us
if ! [[ "/dev/fd/$1" -ef "$2" ]]; then
mkdir -p -- "$(dirname -- "$2")"
eval "exec $1>"'"$2"'
fi
if ! flock -sn "$1"; then
stat_busy "${@:3}"
flock -s "$1"
stat_done
fi
}
##
# usage : lock_close( $fd )
##
lock_close() {
local fd=$1
# https://github.com/koalaman/shellcheck/issues/862
# shellcheck disable=2034
exec {fd}>&-
}
##
# usage: pkgver_equal( $pkgver1, $pkgver2 )
##
pkgver_equal() {
if [[ $1 = *-* && $2 = *-* ]]; then
# if both versions have a pkgrel, then they must be an exact match
[[ $1 = "$2" ]]
else
# otherwise, trim any pkgrel and compare the bare version.
[[ ${1%%-*} = "${2%%-*}" ]]
fi
}
##
# usage: find_cached_package( $pkgname, $pkgver, $arch )
#
# $pkgver can be supplied with or without a pkgrel appended.
# If not supplied, any pkgrel will be matched.
##
find_cached_package() {
local searchdirs=("$PWD" "$PKGDEST") results=()
local targetname=$1 targetver=$2 targetarch=$3
local dir pkg packages pkgbasename name ver rel arch r results
for dir in "${searchdirs[@]}"; do
[[ -d $dir ]] || continue
shopt -s extglob nullglob
mapfile -t packages < <(printf "%s\n" "$dir"/"${targetname}"-"${targetver}"-*"${targetarch}".pkg.tar?(.!(sig|*.*)))
shopt -u extglob nullglob
for pkg in "${packages[@]}"; do
[[ -f $pkg ]] || continue
# avoid adding duplicates of the same inode
for r in "${results[@]}"; do
[[ $r -ef $pkg ]] && continue 2
done
# split apart package filename into parts
pkgbasename=${pkg##*/}
pkgbasename=${pkgbasename%.pkg.tar*}
arch=${pkgbasename##*-}
pkgbasename=${pkgbasename%-"$arch"}
rel=${pkgbasename##*-}
pkgbasename=${pkgbasename%-"$rel"}
ver=${pkgbasename##*-}
name=${pkgbasename%-"$ver"}
if [[ $targetname = "$name" && $targetarch = "$arch" ]] &&
pkgver_equal "$targetver" "$ver-$rel"; then
results+=("$pkg")
fi
done
done
case ${#results[*]} in
0)
return 1
;;
1)
printf '%s\n' "${results[0]}"
return 0
;;
*)
error 'Multiple packages found:'
printf '\t%s\n' "${results[@]}" >&2
return 1
esac
}
check_package_validity(){
local pkgfile=$1
if grep -q "packager = Unknown Packager" <(bsdtar -xOqf "$pkgfile" .PKGINFO); then
die "PACKAGER was not set when building package"
fi
hashsum=sha256sum
pkgbuild_hash=$(awk -v"hashsum=$hashsum" -F' = ' '$1 == "pkgbuild_"hashsum {print $2}' <(bsdtar -xOqf "$pkgfile" .BUILDINFO))
if [[ "$pkgbuild_hash" != "$($hashsum PKGBUILD|cut -d' ' -f1)" ]]; then
die "PKGBUILD $hashsum mismatch: expected $pkgbuild_hash"
fi
}
# usage: grep_pkginfo pkgfile pattern
grep_pkginfo() {
local _ret=()
mapfile -t _ret < <(bsdtar -xOqf "$1" ".PKGINFO" | grep "^${2} = ")
printf '%s\n' "${_ret[@]#${2} = }"
}
# Get the package name
getpkgname() {
local _name
_name="$(grep_pkginfo "$1" "pkgname")"
if [[ -z $_name ]]; then
error "Package '%s' has no pkgname in the PKGINFO. Fail!" "$1"
exit 1
fi
echo "$_name"
}
# Get the package base or name as fallback
getpkgbase() {
local _base
_base="$(grep_pkginfo "$1" "pkgbase")"
if [[ -z $_base ]]; then
getpkgname "$1"
else
echo "$_base"
fi
}
getpkgdesc() {
local _desc
_desc="$(grep_pkginfo "$1" "pkgdesc")"
if [[ -z $_desc ]]; then
error "Package '%s' has no pkgdesc in the PKGINFO. Fail!" "$1"
exit 1
fi
echo "$_desc"
}
is_debug_package() {
local pkgfile=${1} pkgbase pkgname pkgdesc
pkgbase="$(getpkgbase "${pkgfile}")"
pkgname="$(getpkgname "${pkgfile}")"
pkgdesc="$(getpkgdesc "${pkgfile}")"
[[ ${pkgdesc} == "Detached debugging symbols for "* && ${pkgbase}-debug = "${pkgname}" ]]
}
# globals
: ${SOLINKS_MIRROR:="https://riscv.mirror.pkgbuild.com/repo"}
: ${SOCACHE_DIR:="${XDG_CACHE_HOME:-${HOME}/.cache}/sogrep"}
#!/hint/bash
#
# SPDX-License-Identifier: GPL-3.0-or-later
:
# shellcheck disable=2034
_repos=(
core
extra
community
unsupported
)
# shellcheck disable=2034
_build_repos=(
extra
)
arches=('riscv64')
# options
REFRESH=0
VERBOSE=0
source /usr/share/makepkg/util/parseopts.sh
source /usr/share/makepkg/util/util.sh
recache() {
local repo arch verbosity=-s
(( VERBOSE )) && verbosity=--progress-bar
for repo in "${_repos[@]}"; do
for arch in "${arches[@]}"; do
# delete extracted tarballs from previous sogrep versions
rm -rf "${SOCACHE_DIR}/${arch}/${repo}"
# fetch repo links database if newer than our cached copy
local dbpath=${SOCACHE_DIR}/${arch}/${repo}.links.tar.gz
mkdir -p "${dbpath%/*}"
(( VERBOSE )) && echo "Fetching ${repo}.links.tar.gz..."
if ! curl -fLR "${verbosity}" -o "${dbpath}" -z "${dbpath}" \
"${SOLINKS_MIRROR}/${repo}/${repo}.links.tar.gz"; then
echo "error: failed to download links database for repo ${repo}"
exit 1
fi
done
done
}
is_outdated_cache() {
local repo arch
# links databases are generated at about the same time every day; we should
# attempt to check for new database files if any of them are over a day old
for repo in "${_repos[@]}"; do
for arch in "${arches[@]}"; do
local dbpath=${SOCACHE_DIR}/${arch}/${repo}.links.tar.gz
if [[ ! -f ${dbpath} ]] || [[ $(find "${dbpath}" -mtime +0) ]]; then
return 0
fi
done
done
return 1
}
search() {
local repo=$1 arch lib=$2 srepos=("${_repos[@]}")
if [[ $repo != all ]]; then
if ! in_array "${repo}" "${_repos[@]}"; then
echo "${BASH_SOURCE[0]##*/}: unrecognized repo '$repo'"
echo "Try '${BASH_SOURCE[0]##*/} --help' for more information."
exit 1
fi
srepos=("${repo}")
fi
setup_workdir
for arch in "${arches[@]}"; do
for repo in "${srepos[@]}"; do
local prefix=
(( VERBOSE && ${#srepos[@]} > 1 )) && prefix=${repo}/
local db=${SOCACHE_DIR}/${arch}/${repo}.links.tar.gz
if [[ -f ${db} ]]; then
local extracted=${WORKDIR}/${arch}/${repo}
mkdir -p "${extracted}"
bsdtar -C "${extracted}" -xf "${db}"
while read -rd '' pkg; do
read -r match
pkg=${pkg#${extracted}/}
pkg="${prefix}${pkg%-*-*/links}"
if (( VERBOSE )); then
printf '%-35s %s\n' "${pkg}" "${match}"
else
printf '%s\n' "${pkg}"
fi
done < <(grep -rZ "${lib}" "${extracted}") | sort -u
fi
done
done | resort
}
usage() {
cat <<- _EOF_
Usage: ${BASH_SOURCE[0]##*/} [OPTIONS] REPO LIBNAME
Check the soname links database for Arch Linux repositories containing
packages linked to a given shared library. If the repository specified
is "all", then all repositories will be searched, otherwise only the
named repository will be searched.
If the links database does not exist, it will be downloaded first.
OPTIONS
-v, --verbose Show matched links in addition to pkgname
-r, --refresh Refresh the links databases
-h, --help Show this help text
_EOF_
}
# utility function to resort with multiple repos + no-verbose
resort() { sort -u; }
if (( $# == 0 )); then
echo "error: No arguments passed."
echo "Try '${BASH_SOURCE[0]##*/} --help' for more information."
exit 1
fi
OPT_SHORT='vrh'
OPT_LONG=('verbose' 'refresh' 'help')
if ! parseopts "$OPT_SHORT" "${OPT_LONG[@]}" -- "$@"; then
exit 1
fi
set -- "${OPTRET[@]}"
while :; do
case $1 in
-v|--verbose)
resort() { cat; }
VERBOSE=1
;;
-r|--refresh)
REFRESH=1
;;
-h|--help)
usage
exit 0
;;
--)
shift; break
;;
esac
shift
done
if ! (( ( REFRESH && $# == 0 ) || $# == 2 )); then
echo "error: Incorrect number of arguments passed."
echo "Try '${BASH_SOURCE[0]##*/} --help' for more information."
exit 1
fi
# trigger a refresh if requested explicitly or the cached dbs might be outdated
if (( REFRESH )) || [[ ! -d ${SOCACHE_DIR} ]] || is_outdated_cache; then
recache
(( $# == 2 )) || exit 0
fi
search "$@"
|