path: root/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  (`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