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#!/usr/bin/env bash
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#
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# findinpkg - Find text patterns & print occurences with matching lines numbers in Arch Linux package files
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#
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# Copyright (C) 2021 Pekka Helenius <pekka.helenius@fjordtek.com>
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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 <http://www.gnu.org/licenses/>.
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#####################################
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function help() {
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echo -e "Usage: findinpkg <pkgname> <pattern-to-search>"
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exit
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}
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if [[ ${#@} -ne 2 ]]; then
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help
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fi
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if [[ ! $(pacman -Qq "${1}" 2> /dev/null) ]]; then
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echo "Can't find package ${1}"
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help
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fi
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filematches=()
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lines_total=0
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files_total=0
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typeset -A FILEMATCHES
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esc=$(printf '\033')
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for file in $(pacman -Qlq "${1}"); do
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if [[ -f "${file}" ]]; then
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filestr=$(grep --line-number --with-filename --binary-files=without-match -i "${2}" "${file}" | sed -r "s/^(.*?:)([0-9]+):.*/\1\2/g")
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# In some rare cases grepped files are presented on the same line
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for filestr in ${filestr[@]}; do
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filematches+=(${filestr})
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done
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fi
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done
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for filematch in ${filematches[@]}; do
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filename_=$(printf '%s' "${filematch}" | sed -r 's/^(.*?):[0-9]+$/\1/')
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if [[ ${FILEMATCHES[$filename_]} == "" ]]; then
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lines=()
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echo "Processing file: ${filename_}"
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# Get all occurences
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singlefile=$(echo ${filematches[@]} | grep -oE "(${filename_}:[0-9]+)" )
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for occurence in ${singlefile[@]}; do
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linenum=$(printf '%s' "${occurence}" | sed -r 's/^.*?:([0-9]+$)/\1/')
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lines+=(${linenum})
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done
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FILEMATCHES+=([$filename_]="${lines[*]}")
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lines_total=$(( ${lines_total} + ${#lines[@]} ))
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let files_total++
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fi
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done
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for filename in ${!FILEMATCHES[@]}; do
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echo "${esc}[35m${filename}${esc}[92m: ${esc}[31m${FILEMATCHES[$filename]}${esc}[0m"
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done
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printf "\nFound %d matching lines for pattern '%s' in %d files in package '%s'.\n\n" ${lines_total} "${2}" ${files_total} "${1}"
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