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#!/bin/bash
# Copyright 1999-2007 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Id: prepalldocs 3483 2006-06-10 21:40:40Z genone $
source "${PORTAGE_BIN_PATH:-/usr/lib/portage/bin}"/isolated-functions.sh
if [[ -z $1 ]] ; then
vecho "${0##*/}: at least one argument needed" 1>&2
exit 1
fi
case $1 in
--ignore)
shift
for skip in "$@" ; do
[[ -d ${D}${skip} ]] && touch "${D}${skip}.ecompress.skip"
done
exit 0
;;
--queue)
shift
set -- "${@/%/.ecompress.dir}"
set -- "${@/#/${D}}"
exec touch "$@"
;;
--dequeue)
[[ -n $2 ]] && vecho "${0##*/}: --dequeue takes no additional arguments" 1>&2
find "${D}" -name '*.ecompress.dir' -print0 \
| sed -e 's:\.ecompress\.dir::g' -e "s:${D}:/:g" \
| ${XARGS} -0 ecompressdir
find "${D}" -name '*.ecompress.skip' -print0 | ${XARGS} -0 rm -f
exit 0
;;
--*)
vecho "${0##*/}: unknown arguments '$*'"
exit 1
;;
esac
# figure out the new suffix
suffix=$(ecompress --suffix)
# funk_up_dir(action, suffix, binary)
# - action: compress or decompress
# - suffix: the compression suffix to work with
# - binary: the program to execute that'll compress/decompress
# The directory we act on is implied in the ${dir} variable
funk_up_dir() {
local act=$1 suffix=$2 binary=$3
local negate=""
[[ ${act} == "compress" ]] && negate="!"
# first we act on all the files
find "${dir}" -type f ${negate} -iname '*.'${suffix} -print0 | ${XARGS} -0 ${binary}
((ret+=$?))
find "${dir}" -type l -print0 | \
while read -d $'\0' brokenlink ; do
[[ -e ${brokenlink} ]] && continue
olddest=$(readlink "${brokenlink}")
[[ ${act} == "compress" ]] \
&& newdest="${olddest}${suffix}" \
|| newdest="${olddest%.${suffix}}"
rm -f "${brokenlink}"
[[ ${act} == "compress" ]] \
&& ln -snf "${newdest}" "${brokenlink}${suffix}" \
|| ln -snf "${newdest}" "${brokenlink%.${suffix}}"
((ret+=$?))
done
}
# _relocate_skip_dirs(srctree, dsttree)
# Move all the directories we want to skip running compression
# on from srctree to dsttree.
# TODO: this should support whitespace in paths ...
_relocate_skip_dirs() {
local srctree="$1" dsttree="$2"
[[ -d ${srctree} ]] || return 0
local src dst parent
for src in $(find "${srctree}" -name '*.ecompress.skip') ; do
src=${src%.ecompress.skip}
dst="${dsttree}${src#${srctree}}"
parent=${dst%/*}
mkdir -p "${parent}"
mv "${src}" "${dst}"
mv "${src}.ecompress.skip" "${dst}.ecompress.skip"
done
}
hide_skip_dirs() { _relocate_skip_dirs "${D}" "${T}"/ecompress-skip/ ; }
restore_skip_dirs() { _relocate_skip_dirs "${T}"/ecompress-skip/ "${D}" ; }
ret=0
rm -rf "${T}"/ecompress-skip
for dir in "$@" ; do
dir="${D}${dir}"
if [[ ! -d ${dir} ]] ; then
vecho "${0##*/}: ${dir#${D}} does not exist!"
continue
fi
# hide all the stuff we want to skip
hide_skip_dirs "${dir}"
# since we've been requested to compress the whole dir,
# delete any individual queued requests
rm -f "${dir}.ecompress.dir"
find "${dir}" -type f -name '*.ecompress.file' -print0 | ${XARGS} -0 rm -f
# not uncommon for packages to compress doc files themselves
funk_up_dir "decompress" "Z" "gunzip"
funk_up_dir "decompress" "gz" "gunzip"
funk_up_dir "decompress" "bz2" "bunzip2"
# now lets do our work
[[ -z ${suffix} ]] && continue
vecho "${0##*/}: $(ecompress --bin) ${dir#${D}}"
funk_up_dir "compress" "${suffix}" "ecompress"
# finally, restore the skipped stuff
restore_skip_dirs
done
exit ${ret}
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