/[gentoo-x86]/eclass/fixheadtails.eclass
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1# Copyright 1999-2003 Gentoo Technologies, Inc. 1# Copyright 1999-2004 Gentoo Foundation
2# Distributed under the terms of the GNU General Public License v2 2# Distributed under the terms of the GNU General Public License v2
3# $Header: /var/cvsroot/gentoo-x86/eclass/fixheadtails.eclass,v 1.1 2003/09/17 21:15:18 johnm Exp $ 3# $Header: /var/cvsroot/gentoo-x86/eclass/fixheadtails.eclass,v 1.1.1.1 2005/11/30 09:59:13 chriswhite Exp $
4# 4#
5# Author John Mylchreest <johnm@gentoo.org> 5# Author John Mylchreest <johnm@gentoo.org>
6 6
7ECLASS=fixheadtails 7DEPEND=">=sys-apps/sed-4"
8INHERITED="$INHERITED $ECLASS"
9 8
10# ht_fix_all 9# ht_fix_all
11# This fixes all files within the current directory. 10# This fixes all files within the current directory.
12# Do be used in src_unpack ; cd ${S}; ht_fix_all 11# Do be used in src_unpack ; cd ${S}; ht_fix_all
13 12
14# ht_fix_file <param> [<param>] [<param>].. 13# ht_fix_file <param> [<param>] [<param>]..
15# This fixes the files passed by PARAM 14# This fixes the files passed by PARAM
16# to be used for specific files. ie: ht_fix_file "${FILESDIR}/mypatch.patch" 15# to be used for specific files. ie: ht_fix_file "${FILESDIR}/mypatch.patch"
17 16
18ht_fix_all() { 17do_sed_fix() {
19 local MATCHES 18 einfo " - fixed $1"
20 19 sed -i \
21 einfo "Replacing obsolete head/tail with posix compliant ones" 20 -e 's/head \+-\([0-9]\)/head -n \1/g' \
22 for MATCHES in $(grep -i -R -e "head -[ 0-9]" -e "tail [+-][ 0-9]" * | cut -f1 -d: | sort -u) ; do 21 -e 's/tail \+\([-+][0-9]\+\)c/tail -c \1/g' \
23 cp -f ${MATCHES} ${MATCHES}.orig 22 -e 's/tail \+\([-+][0-9]\)/tail -n \1/g' ${1} || \
24 sed -e 's/head -\(.*\)/head -n \1/' -e 's/tail \([-+]\)\(.*\)/tail -n \1\2/' \ 23 die "sed ${1} failed"
25 < ${MATCHES}.orig \
26 > ${MATCHES}
27 rm ${MATCHES}.orig
28 done
29} 24}
30 25
31ht_fix_file() { 26ht_fix_file() {
32 local i 27 local i
33 28
34 einfo "Replacing obsolete head/tail with posix compliant ones" 29 einfo "Replacing obsolete head/tail with POSIX compliant ones"
35 for i in "${@}" 30 for i in "${@}"
36 do 31 do
37 if [ -n "$(grep -i -e "head -[ 0-9]" -e "tail [+-][ 0-9]" ${i})" ] ; then 32 do_sed_fix ${i}
38 cp -f ${i} ${i}.orig
39 sed -e 's/head -\(.*\)/head -n \1/' -e 's/tail \([-+]\)\(.*\)/tail -n \1\2/' \
40 < ${i}.orig \
41 > ${i}
42 rm ${i}.orig
43 fi
44 done 33 done
45eend
46} 34}
35
36ht_fix_all() {
37 local MATCHES
38 MATCHES="$(grep -l -i -R -e "head -[ 0-9]" -e "tail [+-][ 0-9]" * | sort -u)"
39 [[ -n ${MATCHES} ]] \
40 && ht_fix_file ${MATCHES} \
41 || einfo "No need for ht_fix_all anymore !"
42}

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