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[pkgutils-cross.git] / pkgmk.in

#!/bin/bash
#
#  pkgutils
# 
#  Copyright (c) 2000-2005 Per Liden
#  Copyright (c) 2006-2007 by CRUX team (http://crux.nu)
# 
#  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.
#

info() {
	echo "=======> $1"
}

warning() {
	info "WARNING: $1" >&2
}

error() {
	info "ERROR: $1" >&2
}

get_filename() {
	if [[ $1 =~ ^(http|https|ftp|file)://.*/(.+) ]]; then
		echo "$PKGMK_SOURCE_DIR/${BASH_REMATCH[2]}"
	else
		echo $1
	fi
}

get_basename() {
	local FILE="`echo $1 | sed 's|^.*://.*/||g'`"
	echo $FILE
}

check_pkgfile() {
	if [ ! "$name" ]; then
		error "Variable 'name' not specified in $PKGMK_PKGFILE."
		exit 1
	elif [ ! "$version" ]; then
		error "Variable 'version' not specified in $PKGMK_PKGFILE."
		exit 1
	elif [ ! "$release" ]; then
		error "Variable 'release' not specified in $PKGMK_PKGFILE."
		exit 1
	elif [ "`type -t build`" != "function" ]; then
		error "Function 'build' not specified in $PKGMK_PKGFILE."
		exit 1
	fi
}

check_directory() {
	if [ ! -d $1 ]; then
		error "Directory '$1' does not exist."
		exit 1
	elif [ ! -w $1 ]; then
		error "Directory '$1' not writable."
		exit 1
	elif [ ! -x $1 ] || [ ! -r $1 ]; then
		error "Directory '$1' not readable."
		exit 1
	fi
}

check_file() {
	if [ -e $1 ] && [ ! -w $1 ]; then
		error "File '$1' is not writable."
		exit 1
	fi
}

download_file() {
	info "Downloading '$1'."

	if [ ! "`type -p wget`" ]; then
		error "Command 'wget' not found."
		exit 1
	fi

	LOCAL_FILENAME=`get_filename $1`
	LOCAL_FILENAME_PARTIAL="$LOCAL_FILENAME.partial"
	DOWNLOAD_OPTS="--passive-ftp --no-directories --tries=3 --waitretry=3 \
		--directory-prefix=$PKGMK_SOURCE_DIR \
		--output-document=$LOCAL_FILENAME_PARTIAL --no-check-certificate"

	if [ -f "$LOCAL_FILENAME_PARTIAL" ]; then
		info "Partial download found, trying to resume"
		RESUME_CMD="-c"
	fi

	error=1

	BASENAME=`get_basename $1`
	for REPO in ${PKGMK_SOURCE_MIRRORS[@]}; do
		REPO="`echo $REPO | sed 's|/$||'`"
		wget $RESUME_CMD $DOWNLOAD_OPTS $PKGMK_WGET_OPTS $REPO/$BASENAME
		error=$?
		if [ $error == 0 ]; then
			break
		fi
	done

	if [ $error != 0 ]; then
		while true; do
			wget $RESUME_CMD $DOWNLOAD_OPTS $PKGMK_WGET_OPTS $1
			error=$?
			if [ $error != 0 ] && [ "$RESUME_CMD" ]; then
				info "Partial download failed, restarting"
				rm -f "$LOCAL_FILENAME_PARTIAL"
				RESUME_CMD=""
			else
				break
			fi
		done
	fi
	
	if [ $error != 0 ]; then
		error "Downloading '$1' failed."
		exit 1
	fi
	
	mv -f "$LOCAL_FILENAME_PARTIAL" "$LOCAL_FILENAME"
}

download_source() {
	local FILE LOCAL_FILENAME

	for FILE in ${source[@]}; do
		LOCAL_FILENAME=`get_filename $FILE`
		if [ ! -e $LOCAL_FILENAME ]; then
			if [ "$LOCAL_FILENAME" = "$FILE" ]; then
				error "Source file '$LOCAL_FILENAME' not found (can not be downloaded, URL not specified)."
				exit 1
			else
				if [ "$PKGMK_DOWNLOAD" = "yes" ]; then
					download_file $FILE
				else
					error "Source file '$LOCAL_FILENAME' not found (use option -d to download)."
					exit 1
				fi
			fi
		fi
	done
}

unpack_source() {
	local FILE LOCAL_FILENAME COMMAND
	
	for FILE in ${source[@]}; do
		LOCAL_FILENAME=`get_filename $FILE`
		case $LOCAL_FILENAME in
			*.tar.gz|*.tar.Z|*.tgz|*.tar.bz2|*.tar.xz|*.tar.lzma|*.zip)
				COMMAND="bsdtar -p -o -C $SRC -xf $LOCAL_FILENAME" ;;
			*)
				COMMAND="cp $LOCAL_FILENAME $SRC" ;;
		esac

		echo "$COMMAND"

		$COMMAND

		if [ $? != 0 ]; then
			if [ "$PKGMK_KEEP_WORK" = "no" ]; then
				rm -rf $PKGMK_WORK_DIR
			fi
			error "Building '$TARGET' failed."
			exit 1
		fi
	done
}

make_md5sum() {
	local FILE LOCAL_FILENAMES
	
	if [ "$source" ]; then
		for FILE in ${source[@]}; do
			LOCAL_FILENAMES="$LOCAL_FILENAMES `get_filename $FILE`"
		done
		
		md5sum $LOCAL_FILENAMES | sed -e 's|  .*/|  |' | sort -k 2
	fi
}

make_footprint() {
	pkginfo --footprint $TARGET | \
		sed "s|\tlib/modules/`uname -r`/|\tlib/modules/<kernel-version>/|g" | \
		sort -k 3
}

check_md5sum() {
	local FILE="$PKGMK_WORK_DIR/.tmp"

	cd $PKGMK_ROOT
	
	if [ -f $PKGMK_MD5SUM ]; then
		make_md5sum > $FILE.md5sum
		sort -k 2 $PKGMK_MD5SUM > $FILE.md5sum.orig
		diff -w -t -U 0 $FILE.md5sum.orig $FILE.md5sum | \
			sed '/^@@/d' | \
			sed '/^+++/d' | \
			sed '/^---/d' | \
			sed 's/^+/NEW       /g' | \
			sed 's/^-/MISSING   /g' > $FILE.md5sum.diff
		if [ -s $FILE.md5sum.diff ]; then
			error "Md5sum mismatch found:"
			cat $FILE.md5sum.diff >&2

			if [ "$PKGMK_KEEP_WORK" = "no" ]; then
				rm -rf $PKGMK_WORK_DIR
			fi

			if [ "$PKGMK_CHECK_MD5SUM" = "yes" ]; then
				error "Md5sum not ok."
				exit 1
			fi

			error "Building '$TARGET' failed."
			exit 1
		fi
	else
		if [ "$PKGMK_CHECK_MD5SUM" = "yes" ]; then
			if [ "$PKGMK_KEEP_WORK" = "no" ]; then
				rm -rf $PKGMK_WORK_DIR
			fi
			info "Md5sum not found."
			exit 1
		fi
		
		warning "Md5sum not found, creating new."
		make_md5sum > $PKGMK_MD5SUM
	fi

	if [ "$PKGMK_CHECK_MD5SUM" = "yes" ]; then
		if [ "$PKGMK_KEEP_WORK" = "no" ]; then
			rm -rf $PKGMK_WORK_DIR
		fi
		info "Md5sum ok."
		exit 0
	fi
}

strip_files() {
	local FILE FILTER
	
	cd $PKG
	
	if [ -f $PKGMK_ROOT/$PKGMK_NOSTRIP ]; then
		FILTER="grep -v -f $PKGMK_ROOT/$PKGMK_NOSTRIP"
	else
		FILTER="cat"
	fi

	find . -type f -printf "%P\n" | $FILTER | while read FILE; do
		case $(file -b "$FILE") in
		*ELF*executable*not\ stripped)
			strip --strip-all "$FILE"
			;;
		*ELF*shared\ object*not\ stripped)
			strip --strip-unneeded "$FILE"
			;;
		current\ ar\ archive)
			strip --strip-debug "$FILE"
		esac
	done
}

compress_manpages() {
	local FILE DIR TARGET

	cd $PKG
	
	find . -type f -path "*/man/man*/*" | while read FILE; do
		if [ "$FILE" = "${FILE%%.gz}" ]; then
			gzip -9 "$FILE"
		fi
	done
	
	find . -type l -path "*/man/man*/*" | while read FILE; do
		TARGET=`readlink -n "$FILE"`
		TARGET="${TARGET##*/}"
		TARGET="${TARGET%%.gz}.gz"
		rm -f "$FILE"
		FILE="${FILE%%.gz}.gz"
		DIR=`dirname "$FILE"`

		if [ -e "$DIR/$TARGET" ]; then
			ln -sf "$TARGET" "$FILE"
		fi
	done
}

check_footprint() {
	local FILE="$PKGMK_WORK_DIR/.tmp"
	
	cd $PKGMK_ROOT
	
	if [ -f $TARGET ]; then
		make_footprint > $FILE.footprint
		if [ -f $PKGMK_FOOTPRINT ]; then
			sort -k 3 $PKGMK_FOOTPRINT > $FILE.footprint.orig
			diff -w -t -U 0 $FILE.footprint.orig $FILE.footprint | \
				sed '/^@@/d' | \
				sed '/^+++/d' | \
				sed '/^---/d' | \
				sed 's/^+/NEW       /g' | \
				sed 's/^-/MISSING   /g' > $FILE.footprint.diff
			if [ -s $FILE.footprint.diff ]; then
				error "Footprint mismatch found:"
				cat $FILE.footprint.diff >&2
				BUILD_SUCCESSFUL="no"
			fi
		else
			warning "Footprint not found, creating new."
			mv $FILE.footprint $PKGMK_FOOTPRINT
		fi
	else
		error "Package '$TARGET' was not found."
		BUILD_SUCCESSFUL="no"
	fi
}

make_work_dir() {
	export PKG="$PKGMK_WORK_DIR/pkg"
	export SRC="$PKGMK_WORK_DIR/src"
	umask 022
	
	cd $PKGMK_ROOT
	remove_work_dir
	mkdir -p $SRC $PKG

	if [ "$PKGMK_IGNORE_MD5SUM" = "no" ]; then
		check_md5sum
	fi
}

remove_work_dir() {
	rm -rf $PKGMK_WORK_DIR
}


build_package() {
	local BUILD_SUCCESSFUL="no"
	
	check_file "$TARGET"
	make_work_dir

	if [ "$UID" != "0" ]; then
		warning "Packages should be built as root."
	fi
	
	info "Building '$TARGET'."
	
	unpack_source
	
	cd $SRC
	(set -e -x ; build)
	
	if [ $? = 0 ]; then
		if [ "$PKGMK_NO_STRIP" = "no" ]; then
			strip_files
		fi
		
		compress_manpages
		
		cd $PKG
		info "Build result:"
		tar czvvf $TARGET *
		
		if [ $? = 0 ]; then
			BUILD_SUCCESSFUL="yes"

			if [ "$PKGMK_IGNORE_FOOTPRINT" = "yes" ]; then
				warning "Footprint ignored."
			else
				check_footprint
			fi
		fi
	fi
	
	if [ "$PKGMK_KEEP_WORK" = "no" ]; then
		remove_work_dir
	fi
	
	if [ "$BUILD_SUCCESSFUL" = "yes" ]; then
		info "Building '$TARGET' succeeded."
	else
		if [ -f $TARGET ]; then
			touch -r $PKGMK_ROOT/$PKGMK_PKGFILE $TARGET &> /dev/null
		fi
		error "Building '$TARGET' failed."
		exit 1
	fi
}

install_package() {
	local COMMAND
	
	info "Installing '$TARGET'."
	
	if [ "$PKGMK_INSTALL" = "install" ]; then
		COMMAND="pkgadd $TARGET"
	else
		COMMAND="pkgadd -u $TARGET"
	fi
	
	cd $PKGMK_ROOT
	echo "$COMMAND"
	$COMMAND
	
	if [ $? = 0 ]; then
		info "Installing '$TARGET' succeeded."
	else
		error "Installing '$TARGET' failed."
		exit 1
	fi
}

recursive() {
	local ARGS FILE DIR
	
	ARGS=`echo "$@" | sed -e "s/--recursive//g" -e "s/-r//g"`
	
	for FILE in `find $PKGMK_ROOT -name $PKGMK_PKGFILE | sort`; do
		DIR="`dirname $FILE`/"
		if [ -d $DIR ]; then
			info "Entering directory '$DIR'."
			(cd $DIR && $PKGMK_COMMAND $ARGS)
			info "Leaving directory '$DIR'."
		fi
	done
}

clean() {
	local FILE LOCAL_FILENAME
	
	if [ -f $TARGET ]; then
		info "Removing $TARGET"
		rm -f $TARGET
	fi
	
	for FILE in ${source[@]}; do
		LOCAL_FILENAME=`get_filename $FILE`
		if [ -e $LOCAL_FILENAME ] && [ "$LOCAL_FILENAME" != "$FILE" ]; then
			info "Removing $LOCAL_FILENAME"
			rm -f $LOCAL_FILENAME
		fi
	done
}

update_footprint() {
	if [ ! -f $TARGET ]; then
		error "Unable to update footprint. File '$TARGET' not found."
		exit 1
	fi
	
	check_file "$PKGMK_FOOTPRINT"
	make_footprint > $PKGMK_FOOTPRINT
	touch $TARGET
	
	info "Footprint updated."
}

build_needed() {
	local FILE RESULT
	
	RESULT="yes"
	if [ -f $TARGET ]; then
		RESULT="no"
		for FILE in $PKGMK_PKGFILE ${source[@]}; do
			FILE=`get_filename $FILE`
			if [ ! -e $FILE ] || [ ! $TARGET -nt $FILE ]; then
				RESULT="yes"
				break
			fi
		done
	fi
	
	echo $RESULT
}

interrupted() {
	echo ""
	error "Interrupted."
	
	if [ "$PKGMK_KEEP_WORK" = "no" ]; then
		rm -rf $PKGMK_WORK_DIR
	fi
	
	exit 1
}

print_help() {
	echo "usage: `basename $PKGMK_COMMAND` [options]"
	echo "options:"
	echo "  -i,   --install             build and install package"
	echo "  -u,   --upgrade             build and install package (as upgrade)"
	echo "  -r,   --recursive           search for and build packages recursively"
	echo "  -d,   --download            download missing source file(s)"
	echo "  -do,  --download-only       do not build, only download missing source file(s)"
	echo "  -eo,  --extract-only        do not build, only extract source file(s)"
	echo "  -utd, --up-to-date          do not build, only check if package is up to date"
	echo "  -uf,  --update-footprint    update footprint using result from last build"
	echo "  -if,  --ignore-footprint    build package without checking footprint"
	echo "  -um,  --update-md5sum       update md5sum"
	echo "  -im,  --ignore-md5sum       build package without checking md5sum"
	echo "  -cm,  --check-md5sum        do not build, only check md5sum"
	echo "  -ns,  --no-strip            do not strip executable binaries or libraries"
	echo "  -f,   --force               build package even if it appears to be up to date"
	echo "  -c,   --clean               remove package and downloaded files"
	echo "  -kw,  --keep-work           keep temporary working directory"
	echo "  -cf,  --config-file <file>  use alternative configuration file"
	echo "  -v,   --version             print version and exit "
	echo "  -h,   --help                print help and exit"
}

parse_options() {
	while [ "$1" ]; do
		case $1 in
			-i|--install)
				PKGMK_INSTALL="install" ;;
			-u|--upgrade)
				PKGMK_INSTALL="upgrade" ;;
			-r|--recursive)
				PKGMK_RECURSIVE="yes" ;;
			-d|--download)
				PKGMK_DOWNLOAD="yes" ;;
			-do|--download-only)
				PKGMK_DOWNLOAD="yes"
				PKGMK_DOWNLOAD_ONLY="yes" ;;
			-eo|--extract-only)
				PKGMK_EXTRACT_ONLY="yes" ;;
			-utd|--up-to-date)
				PKGMK_UP_TO_DATE="yes" ;;
			-uf|--update-footprint)
				PKGMK_UPDATE_FOOTPRINT="yes" ;;
			-if|--ignore-footprint)
				PKGMK_IGNORE_FOOTPRINT="yes" ;;
			-um|--update-md5sum)
				PKGMK_UPDATE_MD5SUM="yes" ;;
			-im|--ignore-md5sum)
				PKGMK_IGNORE_MD5SUM="yes" ;;
			-cm|--check-md5sum)
				PKGMK_CHECK_MD5SUM="yes" ;;
			-ns|--no-strip)
				PKGMK_NO_STRIP="yes" ;;
			-f|--force)
				PKGMK_FORCE="yes" ;;
			-c|--clean)
				PKGMK_CLEAN="yes" ;;
			-kw|--keep-work)
				PKGMK_KEEP_WORK="yes" ;;
			-cf|--config-file)
				if [ ! "$2" ]; then
					echo "`basename $PKGMK_COMMAND`: option $1 requires an argument"
					exit 1
				fi
				PKGMK_CONFFILE="$2"
				shift ;;
			-v|--version)
				echo "`basename $PKGMK_COMMAND` (pkgutils) $PKGMK_VERSION"
				exit 0 ;;
			-h|--help)
				print_help
				exit 0 ;;
			*)
				echo "`basename $PKGMK_COMMAND`: invalid option $1"
				exit 1 ;;
		esac
		shift
	done
}

main() {
	local FILE TARGET
	
	parse_options "$@"
	
	if [ "$PKGMK_RECURSIVE" = "yes" ]; then
		recursive "$@"
		exit 0
	fi
	
	for FILE in $PKGMK_PKGFILE $PKGMK_CONFFILE; do
		if [ ! -f $FILE ]; then
			error "File '$FILE' not found."
			exit 1
		fi
		. $FILE
	done
	
	check_directory "$PKGMK_SOURCE_DIR"
	check_directory "$PKGMK_PACKAGE_DIR"
	check_directory "`dirname $PKGMK_WORK_DIR`"
	
	check_pkgfile
	
	TARGET="$PKGMK_PACKAGE_DIR/$name#$version-$release.pkg.tar.gz"
	
	if [ "$PKGMK_CLEAN" = "yes" ]; then
		clean
		exit 0
	fi
	
	if [ "$PKGMK_UPDATE_FOOTPRINT" = "yes" ]; then
		update_footprint
		exit 0
	fi
	
	if [ "$PKGMK_UPDATE_MD5SUM" = "yes" ]; then
		download_source
		check_file "$PKGMK_MD5SUM"
		make_md5sum > $PKGMK_MD5SUM
		info "Md5sum updated."
		exit 0
	fi
	
	if [ "$PKGMK_DOWNLOAD_ONLY" = "yes" ]; then
		download_source
		exit 0
	fi
	
	if [ "$PKGMK_EXTRACT_ONLY" = "yes" ]; then
		download_source
		make_work_dir
		info "Extracting sources of package '$name-$version'."
		unpack_source
		exit 0
	fi
	
	if [ "$PKGMK_UP_TO_DATE" = "yes" ]; then
		if [ "`build_needed`" = "yes" ]; then
			info "Package '$TARGET' is not up to date."
		else
			info "Package '$TARGET' is up to date."
		fi
		exit 0
	fi
	
	if [ "`build_needed`" = "no" ] && [ "$PKGMK_FORCE" = "no" ] && [ "$PKGMK_CHECK_MD5SUM" = "no" ]; then
		info "Package '$TARGET' is up to date."
	else
		download_source
		build_package
	fi
	
	if [ "$PKGMK_INSTALL" != "no" ]; then
		install_package
	fi
	
	exit 0
}

trap "interrupted" SIGHUP SIGINT SIGQUIT SIGTERM

export LC_ALL=POSIX

readonly PKGMK_VERSION="#VERSION#"
readonly PKGMK_COMMAND="$0"
readonly PKGMK_ROOT="$PWD"

PKGMK_CONFFILE="/etc/pkgmk.conf"
PKGMK_PKGFILE="Pkgfile"
PKGMK_FOOTPRINT=".footprint"
PKGMK_MD5SUM=".md5sum"
PKGMK_NOSTRIP=".nostrip"

PKGMK_SOURCE_MIRRORS=()
PKGMK_SOURCE_DIR="$PWD"
PKGMK_PACKAGE_DIR="$PWD"
PKGMK_WORK_DIR="$PWD/work"

PKGMK_INSTALL="no"
PKGMK_RECURSIVE="no"
PKGMK_DOWNLOAD="no"
PKGMK_DOWNLOAD_ONLY="no"
PKGMK_EXTRACT_ONLY="no"
PKGMK_UP_TO_DATE="no"
PKGMK_UPDATE_FOOTPRINT="no"
PKGMK_IGNORE_FOOTPRINT="no"
PKGMK_FORCE="no"
PKGMK_KEEP_WORK="no"
PKGMK_UPDATE_MD5SUM="no"
PKGMK_IGNORE_MD5SUM="no"
PKGMK_CHECK_MD5SUM="no"
PKGMK_NO_STRIP="no"
PKGMK_CLEAN="no"

main "$@"

# End of file