#!/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="$3" local PACKAGEVERSION=$($CHROOTEXEC /usr/bin/apt-cache show $PACKAGE | grep "^Version:" | sort -rn | head -1 | sed 's/^Version: \(.*\)$/\1/') # no versioned provides. if [ "${FORCEVERSION}" = "yes" ]; then return 0; fi if dpkg --compare-versions "$PACKAGEVERSION" "$COMPARESTRING" "$DEPSVERSION"; then # satisfies depends return 0; else # cannot satisfy depends return 1; fi } 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 exit 1 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 < --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. EOF } DEBIAN_CONTROL=debian/control CHROOTEXEC="" BD_REGEXP="build-(depends|depends-indep)" BC_REGEXP="build-(conflicts|conflicts-indep)" FORCEVERSION="" 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 ;; --force-version) FORCEVERSION="yes" shift; ;; --help|-h|*) print_help exit 1 ;; esac done checkbuilddep_internal