148 lines
4.1 KiB
Bash
Executable File
148 lines
4.1 KiB
Bash
Executable File
#!/bin/bash
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#
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# sogrep - find shared library links in an Arch Linux repository.
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#
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# Copyright (c) 2019 by Eli Schwartz <eschwartz@archlinux.org>
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <https://www.gnu.org/licenses/>.
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#
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# globals
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: ${SOLINKS_MIRROR:="https://mirror.pkgbuild.com"}
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: ${SOCACHE_DIR:="${XDG_CACHE_HOME:-${HOME}/.cache}/sogrep"}
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m4_include(lib/valid-repos.sh)
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arches=('x86_64')
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# options
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REFRESH=0
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VERBOSE=0
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source /usr/share/makepkg/util/parseopts.sh
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source /usr/share/makepkg/util/util.sh
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recache() {
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local repo arch verbosity=-s
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(( VERBOSE )) && verbosity=--progress-bar
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for repo in "${_repos[@]}"; do
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for arch in "${arches[@]}"; do
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rm -rf "${SOCACHE_DIR}/${arch}/${repo}"
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mkdir -p "${SOCACHE_DIR}/${arch}/${repo}"
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curl -L "$verbosity" "${SOLINKS_MIRROR}/${repo}/os/${arch}/${repo}.links.tar.gz" | bsdtar -xf - -C "${SOCACHE_DIR}/${arch}/${repo}"
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done
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done
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}
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search() {
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local repo=$1 arch lib=$2 srepos=("${_repos[@]}")
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if [[ $repo != all ]]; then
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if ! in_array "${repo}" "${_repos[@]}"; then
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echo "${BASH_SOURCE[0]##*/}: unrecognized repo '$repo'"
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echo "Try '${BASH_SOURCE[0]##*/} --help' for more information."
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exit 1
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fi
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srepos=("${repo}")
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fi
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for arch in "${arches[@]}"; do
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for repo in "${srepos[@]}"; do
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local prefix=
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(( VERBOSE && ${#srepos[@]} > 1 )) && prefix=${repo}/
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db=${SOCACHE_DIR}/${arch}/${repo}/
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if [[ -d ${db} ]]; then
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while read -rd '' pkg; do
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read -r match
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pkg=${pkg#${db}}
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pkg="${prefix}${pkg%-*-*/links}"
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if (( VERBOSE )); then
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printf '%-35s %s\n' "${pkg}" "${match}"
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else
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printf '%s\n' "${pkg}"
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fi
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done < <(grep -rZ "${lib}" "${db}") | sort -u
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fi
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done
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done | resort
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}
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usage() {
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cat <<- _EOF_
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Usage: ${BASH_SOURCE[0]##*/} [OPTIONS] REPO LIBNAME
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Check the soname links database for Arch Linux repositories containing
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packages linked to a given shared library. If the repository specified
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is "all", then all repositories will be searched, otherwise only the
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named repository will be searched.
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If the links database does not exist, it will be downloaded first.
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OPTIONS
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-v, --verbose Show matched links in addition to pkgname
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-r, --refresh Refresh the links databases
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-h, --help Show this help text
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_EOF_
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}
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# utility function to resort with multiple repos + no-verbose
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resort() { sort -u; }
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if (( $# == 0 )); then
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echo "error: No arguments passed."
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echo "Try '${BASH_SOURCE[0]##*/} --help' for more information."
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exit 1
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fi
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OPT_SHORT='vrh'
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OPT_LONG=('verbose' 'refresh' 'help')
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if ! parseopts "$OPT_SHORT" "${OPT_LONG[@]}" -- "$@"; then
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exit 1
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fi
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set -- "${OPTRET[@]}"
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while :; do
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case $1 in
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-v|--verbose)
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resort() { cat; }
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VERBOSE=1
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;;
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-r|--refresh)
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REFRESH=1
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;;
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-h|--help)
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usage
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exit 0
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;;
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--)
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shift; break
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;;
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esac
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shift
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done
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if ! (( ( REFRESH && $# == 0 ) || $# == 2 )); then
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echo "error: Incorrect number of arguments passed."
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echo "Try '${BASH_SOURCE[0]##*/} --help' for more information."
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exit 1
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fi
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if (( REFRESH )) || [[ ! -d ${SOCACHE_DIR} ]]; then
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recache
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(( $# == 2 )) || exit 0
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fi
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search "$@"
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