From 1b494ab77198a6cbb9c06a13435159641e2dc0c5 Mon Sep 17 00:00:00 2001 From: Dave Reisner Date: Thu, 19 Apr 2012 12:55:20 -0400 Subject: contrib: rename bash scripts: .in -> .sh.in For consistency with the scripts/ directory, ensure that all bash scripts use the same pre-build suffix. Signed-off-by: Dave Reisner --- contrib/paccache.in | 319 ---------------------------------------------------- 1 file changed, 319 deletions(-) delete mode 100755 contrib/paccache.in (limited to 'contrib/paccache.in') diff --git a/contrib/paccache.in b/contrib/paccache.in deleted file mode 100755 index da65f476..00000000 --- a/contrib/paccache.in +++ /dev/null @@ -1,319 +0,0 @@ -#!/bin/bash -# -# pacache - flexible pacman cache cleaning -# -# Copyright (C) 2011 Dave Reisner -# -# 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 . - - -shopt -s extglob - -declare -r myname='paccache' -declare -r myver='@PACKAGE_VERSION@' - -declare -a candidates=() cmdopts=() whitelist=() blacklist=() -declare -i delete=0 dryrun=0 filecount=0 move=0 needsroot=0 totalsaved=0 verbose=0 -declare cachedir=@localstatedir@/cache/pacman/pkg delim=$'\n' keep=3 movedir= scanarch= - -msg() { - local mesg=$1; shift - printf "==> $mesg\n" "$@" -} >&2 - -error() { - local mesg=$1; shift - printf "==> ERROR: $mesg\n" "$@" -} >&2 - -die() { - error "$@" - exit 1 -} - -# reads a list of files on stdin and prints out deletion candidates -pkgfilter() { - # there's whitelist and blacklist parameters passed to this - # script after the block of awk. - - awk -v keep="$1" -v scanarch="$2" ' - function parse_filename(filename, parts, count, i, pkgname, arch) { - - count = split(filename, parts, "-") - - i = 1 - pkgname = parts[i++] - while (i <= count - 3) { - pkgname = pkgname "-" parts[i++] - } - - arch = substr(parts[count], 1, index(parts[count], ".") - 1) - - # filter on whitelist or blacklist - if (wlen && !whitelist[pkgname]) return - if (blen && blacklist[pkgname]) return - - if ("" == packages[pkgname,arch]) { - packages[pkgname,arch] = filename - } else { - packages[pkgname,arch] = packages[pkgname,arch] SUBSEP filename - } - } - - BEGIN { - # create whitelist - wlen = ARGV[1]; delete ARGV[1] - for (i = 2; i < 2 + wlen; i++) { - whitelist[ARGV[i]] = 1 - delete ARGV[i] - } - - # create blacklist - blen = ARGV[i]; delete ARGV[i] - while (i++ < ARGC) { - blacklist[ARGV[i]] = 1 - delete ARGV[i] - } - - # read package filenames - while (getline < "/dev/stdin") { - parse_filename($0) - } - - for (pkglist in packages) { - # idx[1,2] = idx[pkgname,arch] - split(pkglist, idx, SUBSEP) - - # enforce architecture match if specified - if (!scanarch || scanarch == idx[2]) { - count = split(packages[idx[1], idx[2]], pkgs, SUBSEP) - for(i = 1; i <= count - keep; i++) { - print pkgs[i] - } - } - } - }' "${@:3}" -} - -size_to_human() { - awk -v size="$1" ' - BEGIN { - suffix[1] = "B" - suffix[2] = "KiB" - suffix[3] = "MiB" - suffix[4] = "GiB" - suffix[5] = "TiB" - count = 1 - - while (size > 1024) { - size /= 1024 - count++ - } - - sizestr = sprintf("%.2f", size) - sub(/\.?0+$/, "", sizestr) - printf("%s %s", sizestr, suffix[count]) - }' -} - -runcmd() { - if (( needsroot )); then - msg "Privilege escalation required" - if sudo -v &>/dev/null && sudo -l &>/dev/null; then - sudo "$@" - else - printf '%s ' 'root' - su -c "$(printf '%q ' "$@")" - fi - else - "$@" - fi -} - -summarize() { - local -i filecount=$1; shift - local seenarch= seen= arch= name= - local -r pkg_re='(.+)-[^-]+-[0-9]+-([^.]+)\.pkg.*' - - if (( delete )); then - printf -v output 'finished: %d packages removed' "$filecount" - elif (( move )); then - printf -v output "finished: %d packages moved to \`%s'" "$filecount" "$movedir" - elif (( dryrun )); then - if (( verbose )); then - msg "Candidate packages:" - while read -r pkg; do - if (( verbose >= 3 )); then - [[ $pkg =~ $pkg_re ]] && name=${BASH_REMATCH[1]} arch=${BASH_REMATCH[2]} - if [[ -z $seen || $seenarch != "$arch" || $seen != "$name" ]]; then - seen=$name seenarch=$arch - printf '%s (%s):\n' "$name" "$arch" - fi - printf ' %s\n' "$pkg" - elif (( verbose >= 2 )); then - printf "$PWD/%s$delim" "$pkg" - else - printf "%s$delim" "$pkg" - fi - done < <(printf '%s\n' "$@" | pacsort) - fi - printf -v output 'finished dry run: %d candidates' "$filecount" - fi - - printf '\n' >&2 - msg "$output (diskspace saved: %s)" "$(size_to_human "$totalsaved")" -} - -usage() { - cat < [options] [targets...] - -$myname is a flexible pacman cache cleaning utility, which has numerous -options to help control how much, and what, is deleted from any directory -containing pacman package tarballs. - - Operations: - -d perform a dry run, only finding candidate packages. - -m move candidate packages to 'movedir'. - -r remove candidate packages. - - Options: - -a scan for 'arch' (default: all architectures). - -c scan 'cachedir' for packages (default: @localstatedir@/cache/pacman/pkg). - -f apply force to mv(1) and rm(1) operations. - -h display this help message. - -i ignore 'pkgs', which is a comma separated. Alternatively, - specify '-' to read package names from stdin, newline delimited. - -k keep 'num' of each package in 'cachedir' (default: 3). - -u target uninstalled packages. - -v increase verbosity. specify up to 3 times. - -z use null delimiters for candidate names (only with -v and -vv) - -EOF -} - -version() { - printf "%s %s\n" "$myname" "$myver" - echo 'Copyright (C) 2011 Dave Reisner ' -} - -if (( ! UID )); then - error "Do not run this script as root. You will be prompted for privilege escalation." - exit 42 -fi - -# TODO: remove this workaround and use a sane command line parser (like the -# parse_options library from scripts/) here -if [[ $1 = -@(h|-help) ]]; then - usage - exit 0 -elif [[ $1 = -@(V|-version) ]]; then - version - exit 0 -fi - -while getopts ':a:c:dfi:k:m:rsuvz' opt; do - case $opt in - a) scanarch=$OPTARG ;; - c) cachedir=$OPTARG ;; - d) dryrun=1 ;; - f) cmdopts=(-f) ;; - i) if [[ $OPTARG = '-' ]]; then - [[ ! -t 0 ]] && IFS=$'\n' read -r -d '' -a ign - else - IFS=',' read -r -a ign <<< "$OPTARG" - fi - blacklist+=("${ign[@]}") - unset i ign ;; - k) keep=$OPTARG - if [[ -z $keep || -n ${keep//[0-9]/} ]]; then - die 'argument to option -k must be a non-negative integer' - else - keep=$(( 10#$keep )) - fi ;; - m) move=1 movedir=$OPTARG ;; - r) delete=1 ;; - u) IFS=$'\n' read -r -d '' -a ign < <(pacman -Qq) - blacklist+=("${ign[@]}") - unset ign ;; - v) (( ++verbose )) ;; - z) delim='\0' ;; - :) die "option '--%s' requires an argument" "$OPTARG" ;; - ?) die "invalid option -- '%s'" "$OPTARG" ;; - esac -done -shift $(( OPTIND - 1 )) - -# remaining args are a whitelist -whitelist=("$@") - -# sanity checks -case $(( dryrun+delete+move )) in - 0) die "no operation specified (use -h for help)" ;; - [^1]) die "only one operation may be used at a time" ;; -esac - -[[ -d $cachedir ]] || - die "cachedir \`%s' does not exist or is not a directory" "$cachedir" - -[[ $movedir && ! -d $movedir ]] && - die "move-to directory \`%s' does not exist or is not a directory" "$movedir" - -if (( move || delete )); then - # make it an absolute path since we're about to chdir - [[ ${movedir:0:1} != '/' ]] && movedir=$PWD/$movedir - [[ ! -w $cachedir || ( $movedir && ! -w $movedir ) ]] && needsroot=1 -fi - -# unlikely that this will fail, but better make sure -cd "$cachedir" >/dev/null || die "failed to chdir to \`%s'" "$cachedir" - -# note that these results are returned in an arbitrary order from awk, but -# they'll be resorted (in summarize) iff we have a verbosity level set. -IFS=$'\n' read -r -d '' -a candidates < \ - <(printf '%s\n' *.pkg.tar?(.+([^.])) | pacsort | - pkgfilter "$keep" "$scanarch" \ - "${#whitelist[*]}" "${whitelist[@]}" \ - "${#blacklist[*]}" "${blacklist[@]}") - -if (( ! ${#candidates[*]} )); then - msg 'no candidate packages found for pruning' - exit 1 -fi - -# grab this prior to signature scavenging -pkgcount=${#candidates[*]} - -# copy the list, merging in any found sigs -for cand in "${candidates[@]}"; do - candtemp+=("$cand") - [[ -f $cand.sig ]] && candtemp+=("$cand.sig") -done -candidates=("${candtemp[@]}") -unset candtemp - -# do this before we destroy anything -totalsaved=$(@SIZECMD@ "${candidates[@]}" | awk '{ sum += $1 } END { print sum }') - -# crush. kill. destroy. -(( verbose )) && cmdopts+=(-v) -if (( delete )); then - runcmd rm "${cmdopts[@]}" "${candidates[@]}" -elif (( move )); then - runcmd mv "${cmdopts[@]}" "${candidates[@]}" "$movedir" -fi - -summarize "$pkgcount" "${candidates[@]}" - -# vim: set ts=2 sw=2 noet: -- cgit v1.2.3-24-g4f1b