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#!/bin/bash
# pbuilder -- personal Debian package builder
# Copyright (C) 2001,2002 Junichi Uekawa
#
# 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, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
# module to satisfy dependency.
set -e
function checkbuilddep_versiondeps () {
local PACKAGE="$1"
local COMPARESTRING="$2"
local DEPSVERSION="$3"
local PACKAGEVERSIONS="$($CHROOTEXEC /usr/bin/apt-cache show $PACKAGE | sed -n 's/^Version: \(.*\)$/\1/p' | xargs)"
# no versioned provides.
if [ "${FORCEVERSION}" = "yes" ]; then
return 0;
fi
for PACKAGEVERSION in $PACKAGEVERSIONS ; do
if dpkg --compare-versions "$PACKAGEVERSION" "$COMPARESTRING" "$DEPSVERSION"; then
# satisfies depends
return 0;
fi
done
# cannot satisfy depends
return 1;
}
function checkbuilddep_archdeps () {
# returns FALSE on INSTALL
local INSTALLPKG="$1"
local ARCH="$2"
if echo "$INSTALLPKG" | sed 's/.*\(\[.*\]\)/\1/' | grep "[[/][!]$ARCH[]/]" > /dev/null; then
# if !$ARCH exists in there, ERROR.
return 0;
fi
if ! echo "$INSTALLPKG" | sed 's/.*\(\[.*\]\)/\1/' | grep "[!]" > /dev/null; then
if ! echo "$INSTALLPKG" | sed 's/.*\(\[.*\]\)/\1/' | grep "[[/]$ARCH[]/]" > /dev/null; then
# if $ARCH does not exist, ERROR.
return 0;
fi
fi
return 1;
}
function checkbuilddep_provides () {
local PACKAGENAME="$1"
# PROVIDED needs to be used outside of this function.
PROVIDED=$($CHROOTEXEC /usr/bin/apt-cache showpkg $PACKAGENAME | awk '{p=0}/^Reverse Provides:/,/^$/{p=1}{if(p && ($0 !~ "Reverse Provides:")){PACKAGE=$1}} END{print PACKAGE}')
}
function checkbuilddep_internal () {
# Use this function to fulfill the dependency (almost)
local ARCH=$(dpkg-architecture -qDEB_HOST_ARCH)
local INSTALLPKG
local INSTALLPKGMULTI
local CURRENTREALPKGNAME
local SATISFIED
echo " -> Attempting to parse the build-deps $Id$"
for INSTALLPKGMULTI in $(cat ${DEBIAN_CONTROL} | \
awk '
BEGIN{source=1}
/^$/ {source=0}
/^[^ ]*:/ {p=0}
tolower($0) ~ /^'"${BD_REGEXP}"':/ {p=1}
{if(p && source) {print $0}}' | \
sed 's/^[^: ]*://' | \
tr " " "/" | \
awk 'BEGIN{RS=","} {print}'); do
echo " -> Considering "$(echo $INSTALLPKGMULTI | tr "/" " " | awk '{print $0}' )
SATISFIED="no"
for INSTALLPKG in $(echo "$INSTALLPKGMULTI" | \
awk 'BEGIN{RS="|"} {print}'); do
CURRENTREALPKGNAME=$(echo "$INSTALLPKG" | sed -e 's/^[/]*//' -e 's/[[/(].*//')
if echo "$INSTALLPKG" | grep '\[' > /dev/null ; then
if checkbuilddep_archdeps "$INSTALLPKG" "$ARCH"; then
SATISFIED="yes"
echo " -> This package is not for this architecture"
continue;
fi
fi
if echo "$INSTALLPKG" | grep '[(]' > /dev/null; then
#echo "Debug: $INSTALLPKG"
if ! checkbuilddep_versiondeps ${CURRENTREALPKGNAME} \
$(echo "$INSTALLPKG" | tr "/" " " | sed 's/^.*([ ]*\(<<\|<=\|>=\|=\|<\|>>\|>\)[ ]*\(.*\)).*$/\1/') \
$(echo "$INSTALLPKG" | tr "/" " " | sed 's/^.*([ ]*\(<<\|<=\|>=\|=\|<\|>>\|>\)[ ]*\(.*\)).*$/\2/') ; then
echo " -> Does not satisfy version, not trying"
continue;
fi
fi
echo " -> Installing "${CURRENTREALPKGNAME}
if $CHROOTEXEC /usr/bin/apt-get -y install ${CURRENTREALPKGNAME}; then
SATISFIED="yes"
else
# package could not be found. -- looking for alternative.
PROVIDED=""
checkbuilddep_provides ${CURRENTREALPKGNAME}
if [ -n "$PROVIDED" ]; then
# something provides this package
echo " -> Installing $PROVIDED to satisfy the dependency "
if $CHROOTEXEC /usr/bin/apt-get -y install $PROVIDED; then
SATISFIED="yes";
fi
fi
fi
if [ "$SATISFIED" = "yes" ]; then
break;
fi
done;
if [ "$SATISFIED" = "no" ]; then
echo "E: Could not satisfy build-dependency." >&2
if [ "$CONTINUE_FAIL" != "yes" ]; then
exit 1
fi
fi
done;
# start processing build-conflicts.
for INSTALLPKG in $(cat "${DEBIAN_CONTROL}" | \
awk 'BEGIN{source=1}
/^$/ {source=0}
/^[^ ]*:/{p=0}
tolower($0) ~ /^'"${BC_REGEXP}"':/ {p=1}
{if(p && source) {print $0}}' | \
sed 's/^[^: ]*://' | \
tr " " "/" | \
awk 'BEGIN{RS=","} {print}'); do
CURRENTREALPKGNAME=$(echo "$INSTALLPKG" | sed -e 's/^[/]*//' -e 's/[[/(].*//')
echo " -> Considering "${CURRENTREALPKGNAME}
if echo "$INSTALLPKG" | grep '\[' > /dev/null ; then
# this package has arch-conflicts.
if checkbuilddep_archdeps "$INSTALLPKG" "$ARCH"; then
echo "I: Ignoring other-arch"
continue;
fi
fi
if echo "$INSTALLPKG" | grep '[(]' > /dev/null ; then
# this package has version-conflicts
if ! checkbuilddep_versiondeps ${CURRENTREALPKGNAME} \
$(echo "$INSTALLPKG" | tr "/" " " | sed 's/^.*([ ]*\(<<\|<=\|>=\|=\|<\|>>\|>\)[ ]*\(.*\)).*$/\1/') \
$(echo "$INSTALLPKG" | tr "/" " " | sed 's/^.*([ ]*\(<<\|<=\|>=\|=\|<\|>>\|>\)[ ]*\(.*\)).*$/\2/'); then
echo "I: Satisfies version, not trying"
continue;
fi
fi
# if package exists, remove it.
if $CHROOTEXEC /usr/bin/dpkg -s $(echo "$INSTALLPKG" | tr "/" " " | awk '{print $1}') 2>&1 | grep ^Package: > /dev/null; then
if ! $CHROOTEXEC /usr/bin/apt-get -y remove ${CURRENTREALPKGNAME} ; then
echo "E: Could not satisfy build-conflicts" >&2
exit 1
fi
else
echo "I: ${CURRENTREALPKGNAME} package is not installed, no need to remove"
fi
done
echo " -> Finished parsing the build-deps"
}
function print_help () {
# print out help message
cat <<EOF
pbuilder-satisfydepends -- satisfy dependencies
Copyright 2002 Junichi Uekawa <daner@debian.org>
--help: give help
--control: specify control file (debian/control, *.dsc)
--chroot: operate inside chroot
--binary-all: include binary-all
--binary-arch: include binary-arch only
--echo: echo mode, do nothing. (--force-version required for most operation)
--force-version: skip version check.
--continue-fail: continue even when failed.
EOF
}
DEBIAN_CONTROL=debian/control
CHROOTEXEC=""
BD_REGEXP="build-(depends|depends-indep)"
BC_REGEXP="build-(conflicts|conflicts-indep)"
FORCEVERSION=""
CONTINUE_FAIL="no"
while [ -n "$1" ]; do
case "$1" in
--control|-c)
DEBIAN_CONTROL="$2"
shift; shift
;;
--chroot)
CHROOTEXEC="chroot $2 "
shift; shift
;;
--binary-all)
BD_REGEXP='build-(depends|depends-indep)'
BC_REGEXP='build-(conflicts|conflicts-indep)'
shift
;;
--binary-arch)
BD_REGEXP='build-depends'
BC_REGEXP='build-conflicts'
shift
;;
--echo)
CHROOTEXEC="echo $CHROOTEXEC"
shift
;;
--continue-fail)
CONTINUE_FAIL="yes"
shift
;;
--force-version)
FORCEVERSION="yes"
shift;
;;
--help|-h|*)
print_help
exit 1
;;
esac
done
checkbuilddep_internal
|