pacman/scripts/makepkg

#!/bin/bash
# 
#   makepkg
#  
#   Copyright (c) 2002-2004 by Judd Vinet <jvinet@zeroflux.org>
#  
#   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.
#

myver='2.9.2'
startdir=`pwd`
PKGDEST=$startdir
USE_COLOR="n"

# source Arch's abs.conf if it's present
[ -f /etc/abs/abs.conf ] && source /etc/abs/abs.conf

# makepkg configuration
[ -f /etc/makepkg.conf ] && source /etc/makepkg.conf

INFAKEROOT=
if [ "$1" = "-F" ]; then
	INFAKEROOT=1
	shift
fi

### SUBROUTINES ###

plain() {
	if [ "$USE_COLOR" = "Y" -o "$USE_COLOR" = "y" ]; then
		echo -e "    \033[1;1m$1\033[1;0m" >&2
	else
		echo "    $1" >&2
	fi
}
msg() {
	if [ "$USE_COLOR" = "Y" -o "$USE_COLOR" = "y" ]; then
		echo -e "\033[1;32m==>\033[1;0m \033[1;1m$1\033[1;0m" >&2
	else
		echo "==> $1" >&2
	fi
}
warning() {
	if [ "$USE_COLOR" = "Y" -o "$USE_COLOR" = "y" ]; then
		echo -e "\033[1;33m==> WARNING:\033[1;0m \033[1;1m$1\033[1;0m" >&2
	else
		echo "==> WARNING: $1" >&2
	fi
}
error() {
	if [ "$USE_COLOR" = "Y" -o "$USE_COLOR" = "y" ]; then
		echo -e "\033[1;31m==> ERROR:\033[1;0m \033[1;1m$1\033[1;0m" >&2
	else
		echo "==> ERROR: $1" >&2
	fi
}

strip_url() {
	echo $1 | sed 's|^.*://.*/||g'
}

checkdeps() {
	local missdep=""
	local deplist=""

	missdep=`pacman -T $*`
	ret=$?
	if [ "$ret" != "0" ]; then
		if [ "$ret" = "127" ]; then
			msg "Missing Dependencies:"
			msg ""
			nl=0
			for dep in $missdep; do
				echo -ne "$dep " >&2
				if [ "$nl" = "1" ]; then
					nl=0
					echo -ne "\n" >&2
					# add this dep to the list
					depname=`echo $dep | sed 's|=.*$||' | sed 's|>.*$||' | sed 's|<.*$||'`
					deplist="$deplist $depname"
					continue
				fi
				nl=1
			done
			msg ""
		else
			error "pacman returned a fatal error."
			exit 1
		fi
	fi
	echo $deplist
}

handledeps() {
	local missingdeps=0
	local deplist="$*"
	local haveperm=0
	if [ "`id -u`" = "0" -a "$INFAKEROOT" != "1" ]; then
		haveperm=1
	fi

	if [ "$deplist" != "" -a $haveperm -eq 1 ]; then
		if [ "$DEP_BIN" = "1" ]; then
			# install missing deps from binary packages (using pacman -S)
			msg "Installing missing dependencies..."
			pacman -D $deplist
			if [ "$?" = "127" ]; then
				error "Failed to install missing dependencies."
				exit 1
			fi
			# TODO: check deps again to make sure they were resolved
		elif [ "$DEP_SRC" = "1" ]; then
			# install missing deps by building them from source.
			# we look for each package name in $ABSROOT and build it.
			if [ "$ABSROOT" = "" ]; then
				error "The ABSROOT environment variable is not defined."
				exit 1
			fi
			# TODO: handle version comparators (eg, glibc>=2.2.5)
			msg "Building missing dependencies..."
			for dep in $deplist; do
				candidates=`find $ABSROOT -type d -name "$dep"`
				if [ "$candidates" = "" ]; then
					error "Could not find \"$dep\" under $ABSROOT"
					exit 1
				fi
				success=0
				for pkgdir in $candidates; do
					if [ -f $pkgdir/PKGBUILD ]; then
						cd $pkgdir
						if [ "$RMDEPS" = "1" ]; then
							makepkg -i -c -b -r -w $PKGDEST
						else
							makepkg -i -c -b -w $PKGDEST
						fi
						if [ $? -eq 0 ]; then
							success=1
							break
						fi
					fi
				done
				if [ "$success" = "0" ]; then
					error "Failed to build \"$dep\""
					exit 1
				fi
			done
			# TODO: check deps again to make sure they were resolved
		else
			missingdeps=1
		fi
	elif [ "$deplist" != "" -a $haveperm -eq 0 ]; then
		if [ "$DEP_SRC" = "1" -o "$DEP_BIN" = "1" ]; then
			warning "Cannot auto-install missing dependencies as a normal user!"
			plain "Run makepkg as root to resolve dependencies automatically."
		fi
		missingdeps=1
	fi
	return $missingdeps
}

usage() {
	echo "makepkg version $myver"
	echo "usage: $0 [options]"
	echo "options:"
	echo "  -b, --builddeps  Build missing dependencies from source"
	echo "  -c, --clean      Clean up work files after build"
	echo "  -C, --cleancache Clean up source files from the cache"
	echo "  -d, --nodeps     Skip all dependency checks"
	echo "  -e, --noextract  Do not extract source files (use existing src/ dir)"
	echo "  -f, --force      Overwrite existing package"
	echo "  -g, --genmd5     Generate MD5sums for source files"
	echo "  -h, --help       This help"
	echo "  -i, --install    Install package after successful build"
	echo "  -j <jobs>        Set MAKEFLAGS to \"-j<jobs>\" before building"
	echo "  -m, --nocolor    Disable colorized output messages"
	echo "  -n, --nostrip    Do not strip binaries/libraries"
	echo "  -o, --nobuild    Download and extract files only"
	echo "  -p <buildscript> Use an alternate build script (instead of PKGBUILD)"
	echo "  -r, --rmdeps     Remove installed dependencies after a successful build"
	echo "  -s, --syncdeps   Install missing dependencies with pacman"
	echo "  -w <destdir>     Write package to <destdir> instead of the working dir"
	echo
	echo "  if -p is not specified, makepkg will look for a PKGBUILD"
	echo "  file in the current directory."
	echo
}


# Options
CLEANUP=0
CLEANCACHE=0
INSTALL=0
GENMD5=0
DEP_BIN=0
DEP_SRC=0
NODEPS=0
FORCE=0
NOEXTRACT=0
NOSTRIP=0
NOBUILD=0
RMDEPS=0
BUILDSCRIPT="./PKGBUILD"

ARGLIST=$@

while [ "$#" -ne "0" ]; do
	case $1 in
		--clean)      CLEANUP=1 ;;
		--cleancache) CLEANCACHE=1 ;;
		--syncdeps)   DEP_BIN=1 ;;
		--builddeps)  DEP_SRC=1 ;;
		--nodeps)     NODEPS=1 ;;
		--noextract)  NOEXTRACT=1 ;;
		--install)    INSTALL=1 ;;
		--force)      FORCE=1 ;;
		--nostrip)    NOSTRIP=1 ;;
		--nobuild)    NOBUILD=1 ;;
		--nocolor)    USE_COLOR="n" ;;
		--genmd5)     GENMD5=1 ;;
		--rmdeps)     RMDEPS=1 ;;
		--help)
			usage
			exit 0
			;;
		--*)
			usage
			exit 1
			;;
		-*)
			while getopts "cCsbdehifgj:mnorp:w:-" opt; do
				case $opt in
					c) CLEANUP=1 ;;
					C) CLEANCACHE=1 ;;
					b) DEP_SRC=1 ;;
					d) NODEPS=1 ;;
					e) NOEXTRACT=1 ;;
					f) FORCE=1 ;;
					g) GENMD5=1 ;;
					h)
						usage
						exit 0
						;;
					i) INSTALL=1 ;;
					j) export MAKEFLAGS="-j$OPTARG" ;;
					m) USE_COLOR="n" ;;
					n) NOSTRIP=1 ;;
					o) NOBUILD=1 ;;
					p) BUILDSCRIPT=$OPTARG ;;
					r) RMDEPS=1 ;;
					s) DEP_BIN=1 ;;
					w) PKGDEST=$OPTARG ;;
					-)
						OPTIND=0
						break
						;;
					*)
						usage
						exit 1
						;;
				esac
			done
			;;
		*)
			true
			;;
	esac
	shift
done

# convert a (possibly) relative path to absolute
cd $PKGDEST 2>/dev/null
if [ $? -ne 0 ]; then
	error "Package destination directory does not exist or permission denied."
	exit 1
fi
PKGDEST=`pwd`
cd $OLDPWD

if [ "$CLEANCACHE" = "1" ]; then
	if [ "`id -u`" = "0" -a "$INFAKEROOT" != "1" ]; then
		msg "Cleaning up source files from the cache."
		rm -rf /var/cache/pacman/src/*
		exit 0
	else
		error "You must be root to clean the cache."
		exit 1
	fi
fi

unset pkgname pkgver pkgrel pkgdesc url license groups provides md5sums force
unset replaces depends conflicts backup source install build makedepends
umask 0022

if [ ! -f $BUILDSCRIPT ]; then
	error "$BUILDSCRIPT does not exist."
	exit 1
fi

source $BUILDSCRIPT

# check for no-no's
if [ `echo $pkgver | grep '-'` ]; then
	error "pkgver is not allowed to contain hyphens."
	exit 1
fi
if [ `echo $pkgrel | grep '-'` ]; then
	error "pkgrel is not allowed to contain hyphens."
	exit 1
fi

if [ -f $PKGDEST/${pkgname}-${pkgver}-${pkgrel}.pkg.tar.gz -a "$FORCE" = "0" -a "$GENMD5" = "0" ]; then
	if [ "$INSTALL" = "1" ]; then
		warning "a package has already been built, installing existing package."
		pacman --upgrade $PKGDEST/${pkgname}-${pkgver}-${pkgrel}.pkg.tar.gz
		exit $?
	else
		error "a package has already been built.  (use -f to overwrite)"
		exit 1
	fi
fi

# Enter the fakeroot environment if necessary.  This will call the makepkg script again
# as the fake root user.  We detect this by passing a sentinel option (-F) to makepkg
if [ "`id -u`" != "0" ]; then
	if [ "$USE_FAKEROOT" = "y" -o "$USE_FAKEROOT" = "Y" ]; then
		if [ `type -p fakeroot` ]; then
			msg "Entering fakeroot environment"
			fakeroot -- $0 -F $ARGLIST
			exit $?
		else
			warning "Fakeroot is not installed.  Building as an unprivileged user"
			plain "will result in non-root ownership of the packaged files."
			plain "Install the fakeroot package to correctly build as a non-root"
			plain "user."
			plain ""
			sleep 1
		fi
	else
		warning "Running makepkg as an unprivileged user will result in non-root"		
		plain "ownership of the packaged files.  Try using the fakeroot"
		plain "environment.  (USE_FAKEROOT=y in makepkg.conf)"
		plain ""
		sleep 1
	fi
fi

msg "Making package: $pkgname $pkgver-$pkgrel (`date`)"

unset deplist makedeplist
if [ `type -p pacman` -a "$NODEPS" = "0" ]; then
	msg "Checking Runtime Dependencies..."
	deplist=`checkdeps ${depends[@]}`
	handledeps $deplist
	if [ $? -gt 0 ]; then
		exit 1
	fi
	msg "Checking Buildtime Dependencies..."
	makedeplist=`checkdeps ${makedepends[@]}`
	handledeps $makedeplist
	if [ $? -gt 0 ]; then
		exit 1
	fi
elif [ "$NODEPS" = "1" ]; then
	warning "skipping dependency checks."
else
	warning "pacman was not found in PATH. skipping dependency checks."
fi

cd $startdir

# retrieve sources
msg "Retrieving Sources..."
mkdir -p src
cd $startdir/src
for netfile in ${source[@]}; do
	file=`strip_url $netfile`
	if [ -f ../$file ]; then
		msg "    Found $file in build dir"
		cp ../$file .
	elif [ -f /var/cache/pacman/src/$file ]; then
		msg "    Using local copy of $file"
		cp /var/cache/pacman/src/$file .
	else
		# check for a download utility
		if [ -z "$FTPAGENT" ]; then
			error "FTPAGENT is not configured. Check the /etc/makepkg.conf file."
			msg "Aborting..."
			exit 1
		fi
		ftpclient=`echo $FTPAGENT | awk {'print $1'}`
		if [ ! -x $ftpclient ]; then
			error "ftpclient `basename $ftpclient` is not installed."
			msg "Aborting..."
			exit 1
		fi
		proto=`echo $netfile | sed 's|://.*||'`
		if [ "$proto" != "ftp" -a "$proto" != "http" -a "$proto" != "https" ]; then
			error "$netfile was not found in the build directory and is not a proper URL."
			msg "Aborting..."
			exit 1
		fi
		msg "    Downloading $file"
		$FTPAGENT $netfile 2>&1
		if [ ! -f $file ]; then
			error "Failed to download $file"
			msg "Aborting..."
			exit 1
		fi
		if [ "`id -u`" = "0" -a "$INFAKEROOT" != "1" ]; then
			mkdir -p /var/cache/pacman/src && cp $file /var/cache/pacman/src
		else
			cp $file ..
		fi
	fi
done

if [ "$GENMD5" = "0" ]; then
	if [ "$NOEXTRACT" = "1" ]; then
		warning "Skipping source extraction       -- using existing src/ tree"
		warning "Skipping source integrity checks -- using existing src/ tree"
	else
		# MD5 validation
		if [ ${#md5sums[@]} -ne ${#source[@]} ]; then
			warning "MD5sums are missing or incomplete.  Cannot verify source integrity."
			#sleep 1
		elif [ `type -p md5sum` ]; then
			msg "Validating source files with MD5sums"
			errors=0
			idx=0
			for netfile in ${source[@]}; do
				file=`strip_url $netfile`
				echo -n "    $file ... " >&2
				echo "${md5sums[$idx]}  $file" | md5sum -c - >/dev/null 2>&1
				if [ $? -ne 0 ]; then
					echo "FAILED" >&2
					errors=1
				else
					echo "Passed" >&2
				fi	
				idx=$(($idx+1))
			done
			if [ $errors -gt 0 ]; then
				error "One or more files did not pass the validity check!"
				exit 1
			fi
		else
			warning "The md5sum program is missing.  Cannot verify source files!"
			sleep 1
		fi
		# extract sources
		msg "Extracting Sources..."
		for netfile in ${source[@]}; do
			unziphack=0
			file=`strip_url $netfile`
			unset cmd
			case $file in
				*.tar.gz|*.tar.Z|*.tgz)
				cmd="tar --use-compress-program=gzip -xf $file" ;;
				*.tar.bz2)
				cmd="tar --use-compress-program=bzip2 -xf $file" ;;
				*.tar)
				cmd="tar -xf $file" ;;
				*.zip)
				unziphack=1
				cmd="unzip -qqo $file" ;;
				*.gz)
				cmd="gunzip $file" ;;
				*.bz2)
				cmd="bunzip2 $file" ;;
			esac
			if [ "$cmd" != "" ]; then
				msg "    $cmd"
				$cmd
				if [ $? -ne 0 ]; then
					# unzip will return a 1 as a warning, it is not an error
					if [ "$unziphack" != "1" -o $? -ne 1 ]; then
						error "Failed to extract $file"
						msg "Aborting..."
						exit 1
					fi
				fi
			fi
		done
	fi
else
# generate md5 hashes
	if [ ! `type -p md5sum` ]; then
		error "Cannot find the md5sum program."
		exit 1
  fi
	msg "Generating MD5sums for source files"
	plain ""
	ct=0
	newline=0
	numsrc=${#source[@]}
	for netfile in ${source[@]}; do
		file=`strip_url $netfile`
		sum=`md5sum $file | cut -d' ' -f 1`
		if [ $ct -eq 0 ]; then
			echo -n "md5sums=("
		else
			if [ $newline -eq 0 ]; then
				echo -n "         "
			fi
		fi
		echo -n "'$sum'"
		ct=$(($ct+1))
		if [ $ct -eq $numsrc ]; then
			echo ')'
		else
			if [ $newline -eq 1 ]; then
				echo '\'
				newline=0
			else
				echo -n ' '
				newline=1
			fi
		fi
	done
	plain ""
	exit 0
fi


if [ "`id -u`" = "0" ]; then
	# chown all source files to root.root
	chown -R root.root $startdir/src
fi

# check for existing pkg directory
if [ -d $startdir/pkg ]; then
	msg "Removing existing pkg/ directory..."
	rm -rf $startdir/pkg
fi
mkdir -p $startdir/pkg

if [ "$NOBUILD" = "1" ]; then
	msg "Sources are ready."
	exit 0
fi

# use ccache if it's available
[ -d /usr/lib/ccache/bin ] && export PATH=/usr/lib/ccache/bin:$PATH

# build
msg "Starting build()..."
build 2>&1
if [ $? -gt 0 ]; then
	error "Build Failed.  Aborting..."
	exit 2
fi

# remove info/doc files
cd $startdir
rm -rf pkg/usr/info pkg/usr/share/info
rm -rf pkg/usr/doc pkg/usr/share/doc

# move /usr/share/man files to /usr/man
if [ -d pkg/usr/share/man ]; then
	mkdir -p pkg/usr/man 
	cp -a pkg/usr/share/man/* pkg/usr/man/
	rm -rf pkg/usr/share/man
fi

# remove /usr/share directory if empty
if [ -d pkg/usr/share ]; then
	if [ -z "`ls -1 pkg/usr/share`" ]; then
		rm -r pkg/usr/share
	fi
fi

# compress man pages
msg "Compressing man pages..."
find $startdir/pkg/{usr{,/local,/share},opt/*}/man -type f 2>/dev/null | while read i ; do
	ext="${i##*.}"
	fn="${i##*/}"
	if [ "$ext" != "gz" -a "$ext" != "bz2" ]; then
		# update symlinks to this manpage
		find $startdir/pkg/{usr{,/local,/share},opt/*}/man -lname "$fn" 2> /dev/null | while read ln ; do
			rm -f "$ln"
			ln -sf "${fn}.gz" "${ln}.gz"
		done
		# compress the original
		gzip -9 "$i"
	fi
done

cd $startdir

# strip binaries
if [ "$NOSTRIP" = "0" ]; then
	msg "Stripping debugging symbols from libraries..."
	find pkg/{,usr,usr/local,opt/*}/lib -type f -not -name "*.dll" -not -name "*.exe" \
		-exec /usr/bin/strip --strip-debug '{}' \; 2>&1 \
		| grep -v "No such file" | grep -v "format not recognized"
	msg "Stripping symbols from binaries..."
	find pkg/{,usr,usr/local,opt/*}/{bin,sbin} -type f -not -name "*.dll" -not -name "*.exe" \
		-exec /usr/bin/strip '{}' \; 2>&1 \
		| grep -v "No such file" | grep -v "format not recognized"
fi

# get some package meta info
builddate=`LC_ALL= ; LANG= ; date -u "+%a %b %e %H:%M:%S %Y"`
if [ "$PACKAGER" != "" ]; then
	packager="$PACKAGER"
else
	packager="Arch Linux (http://www.archlinux.org)"
fi
size=`du -cb $startdir/pkg | tail -n 1 | awk '{print $1}'`

# write the .PKGINFO file
msg "Generating .PKGINFO file..."
cd $startdir/pkg
echo "# Generated by makepkg $myver" >.PKGINFO
echo -n "# " >>.PKGINFO
date >>.PKGINFO
echo "pkgname = $pkgname" >>.PKGINFO
echo "pkgver = $pkgver-$pkgrel" >>.PKGINFO
echo "pkgdesc = $pkgdesc" >>.PKGINFO
echo "url = $url" >>.PKGINFO
echo "license = $license" >>.PKGINFO
echo "builddate = $builddate" >>.PKGINFO
echo "packager = $packager" >>.PKGINFO
echo "size = $size" >>.PKGINFO
if [ "$CARCH" != "" ]; then
	echo "arch = $CARCH" >>.PKGINFO
fi

for it in "${replaces[@]}"; do
	echo "replaces = $it" >>.PKGINFO
done
for it in "${groups[@]}"; do
	echo "group = $it" >>.PKGINFO
done
for it in "${depends[@]}"; do
	echo "depend = $it" >>.PKGINFO
done
for it in "${conflicts[@]}"; do
	echo "conflict = $it" >>.PKGINFO
done
for it in "${provides[@]}"; do
	echo "provides = $it" >>.PKGINFO
done
for it in "${backup[@]}"; do
	echo "backup = $it" >>.PKGINFO
done

# check for an install script
if [ "$install" != "" ]; then
	msg "Copying install script..."
	cp $startdir/$install $startdir/pkg/.INSTALL
fi

# build a filelist
msg "Generating .FILELIST file..."
cd $startdir/pkg
tar cvf /dev/null * | sort >.FILELIST

# tar it up
msg "Compressing package..."
cd $startdir/pkg
if [ -f $startdir/pkg/.INSTALL ]; then
	cmd="tar czvf $PKGDEST/$pkgname-$pkgver-$pkgrel.pkg.tar.gz .PKGINFO .FILELIST .INSTALL *"
else
	cmd="tar czvf $PKGDEST/$pkgname-$pkgver-$pkgrel.pkg.tar.gz .PKGINFO .FILELIST *"
fi
$cmd | sort >../filelist

cd $startdir
if [ "$CLEANUP" = "1" ]; then
	msg "Cleaning up..."
	rm -rf src pkg filelist
fi

if [ "$RMDEPS" = "1" -a "`id -u`" = "0" -a "$INFAKEROOT" != "1" ]; then
	msg "Removing installed dependencies..."
	pacman -R $makedeplist $deplist
fi

msg "Finished making: $pkgname  (`date`)"

if [ "$INSTALL" = "1" -a "`id -u`" = "0" -a "$INFAKEROOT" != "1" ]; then
	msg "Running pacman --upgrade..."
	pacman --upgrade $PKGDEST/${pkgname}-${pkgver}-${pkgrel}.pkg.tar.gz
	exit $?
fi

exit 0