Exclude files with hardlinks when cat'ing all the files, and do a second run to look at each file with hardlinks, keep track of the ones we've already operated on, and only cat each inode once. Then use "wc -c" to get the size of all (deduplicated) files the same way we were already doing. Original-patch-by: Ronan Pigott <rpigott@berkeley.edu> Signed-off-by: Eli Schwartz <eschwartz@archlinux.org> --- scripts/Makefile.am | 1 + scripts/libmakepkg/util/dirsize.sh.in | 41 +++++++++++++++++++++++++++ scripts/libmakepkg/util/meson.build | 1 + scripts/makepkg.sh.in | 2 +- 4 files changed, 44 insertions(+), 1 deletion(-) create mode 100644 scripts/libmakepkg/util/dirsize.sh.in diff --git a/scripts/Makefile.am b/scripts/Makefile.am index 88e9612d..63d09767 100644 --- a/scripts/Makefile.am +++ b/scripts/Makefile.am @@ -127,6 +127,7 @@ LIBMAKEPKG_IN = \ libmakepkg/util.sh \ libmakepkg/util/compress.sh \ libmakepkg/util/config.sh \ + libmakepkg/util/dirsize.sh \ libmakepkg/util/error.sh \ libmakepkg/util/message.sh \ libmakepkg/util/option.sh \ diff --git a/scripts/libmakepkg/util/dirsize.sh.in b/scripts/libmakepkg/util/dirsize.sh.in new file mode 100644 index 00000000..fce9f5b5 --- /dev/null +++ b/scripts/libmakepkg/util/dirsize.sh.in @@ -0,0 +1,41 @@ +#!/usr/bin/bash +# +# dirsize.sh - calculate size of all files in a directory +# +# Copyright (c) 2019 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/>. +# + +[[ -n "$LIBMAKEPKG_UTIL_DIRSIZE_SH" ]] && return +LIBMAKEPKG_UTIL_DIRSIZE_SH=1 + + +# find the total filesize of all files in the current directory while only +# counting multiply hardlinked files once +dirsize() { + local file inode + declare -A files + + { + find . -type f -links 1 -exec cat {} + 2>/dev/null + while read -rd ' ' inode; do + IFS= read -r file + if [[ -z ${files[$inode]} ]]; then + files[$inode]=found + cat "$file" + fi + done < <(find . -type f -links +1 -exec @INODECMD@ {} + 2>/dev/null) + } | wc -c +} diff --git a/scripts/libmakepkg/util/meson.build b/scripts/libmakepkg/util/meson.build index c29503b7..6160d87e 100644 --- a/scripts/libmakepkg/util/meson.build +++ b/scripts/libmakepkg/util/meson.build @@ -3,6 +3,7 @@ libmakepkg_module = 'util' sources = [ 'compress.sh.in', 'config.sh.in', + 'dirsize.sh.in' 'error.sh.in', 'message.sh.in', 'option.sh.in', diff --git a/scripts/makepkg.sh.in b/scripts/makepkg.sh.in index 947a30c5..d217d0a4 100644 --- a/scripts/makepkg.sh.in +++ b/scripts/makepkg.sh.in @@ -584,7 +584,7 @@ write_kv_pair() { } write_pkginfo() { - local size="$(find . -type f -exec cat {} + 2>/dev/null | wc -c)" + local size=$(dirsize) merge_arch_attrs -- 2.23.0