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#!/bin/bash
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# autoepatch - Automatic patch scripting
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# Copyright (C) 2006 Gentoo Foundation
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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 autoepatch; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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main() {
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# To allow installing on any prefix, make sure that
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# the prefix is actually set
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local PREFIX="@PREFIX@"
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[[ ${PREFIX//@/|} == "|PREFIX|" ]] && PREFIX="/usr"
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# When running out of SVN, load local modules and
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# libraries only.
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local basedir="$(dirname $0)"
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[[ $0 == "${PREFIX}/bin/autoepatch.sh" ]] && \
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basedir="${PREFIX}/share/autoepatch"
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# Source baselayout functions.sh for einfo/ewarn and similar
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# functions. If on an offset prefix, use the prefixed path.
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[[ ${PREFIX} == "/usr" ]] && \
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source "/sbin/functions.sh" || \
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source "${PREFIX}/sbin/functions.sh"
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source "${basedir}/lib/functions.sh"
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[[ -z ${CHOST} ]] && CHOST="$(portageq envvar CHOST)"
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[[ -z ${WORKDIR} ]] && WORKDIR="$(pwd)"
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[[ -z ${T} ]] && T="/tmp"
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for patchset in "${basedir}"/patches/*; do
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(
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source "${patchset}/${patchset##*/}.sh"
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targets="$(patch_targets)"
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[[ -z ${targets} ]] && exit 0
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einfo "Testing ${patchset##*/} ..."
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while read target; do
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einfo " on ${target##$(pwd)/} ..."
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for patch in "${patchset}"/*.patch; do
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if try_patch "${target}" "${patch}"; then
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PATCH_APPLIED="yes"
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break
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fi
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done
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if type patch_trigger_action &>/dev/null; then
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patch_trigger_action "${target}"
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fi
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# Check if the patchset requires us to fail if the
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# patch is not applied. By default, don't.
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if ! type patch_required &>/dev/null; then
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patch_required() { return 1; }
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fi
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if ! type patch_failed_msg &>/dev/null; then
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patch_failed_msg() {
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eerror "Failed patch ${patchset##*/}"
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}
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fi
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if [[ -z ${PATCH_APPLIED} ]]; then
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if patch_required; then
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patch_failed_msg && exit 2
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else
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ewarn " failed, but patch not required, ignoring."
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fi
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fi
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done <<<"${targets}"
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rm -f "${T}"/autoepatch.$$.*
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exit 0
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)
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case $? in
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0) ;; # All gone well
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1) eerror "Error in subshell"; return 1 ;; # Something didn't go well
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2) return 1;; # The patch failed to apply, already announced.
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esac
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done
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}
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