haiku/build/scripts/build_haiku_image
2014-05-25 23:45:22 +02:00

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#!/bin/sh
set -o errexit
# The first argument is the shell script that initializes the variables:
# sourceDir
# outputDir
# tmpDir
# addBuildCompatibilityLibDir
# systemPackages - lists of the hpkg packages copied/updated
# repositories - all repository files
# downloadDir
# The following are only for image types:
# installDir
# isImage
# imagePath
# imageSize
# imageLabel
# resolvePackageDependencies
# noDownloads
# updateAllPackages
# updateOnly
# dontClearImage
# isVMwareImage
#
# addattr
# copyattr
# getPackageDependencies
# package
# rc
# rmAttrs
# unzip
# The following are only for image types:
# bfsShell
# fsShellCommand
# makebootable
# resattr
# vmdkimage
# The following is only for cd types:
# generate_attribute_stores
# isCD
#
if [ $# -gt 0 ]; then
. $1
shift
fi
if [ ! $isCD ]; then
# If the haiku image path is a symlink resolve it now (makebootable needs the
# path of the actual device path under Linux).
normalizedImagePath=''
if readlink -f "$imagePath" > /dev/null 2>&1 ; then
normalizedImagePath=$(readlink -f "$imagePath")
elif realpath "$imagePath" > /dev/null 2>&1 ; then
normalizedImagePath=$(realpath "$imagePath")
elif greadlink -f "$imagePath" > /dev/null 2>&1 ; then
normalizedImagePath=$(greadlink -f "$imagePath")
fi
if [ -n "$normalizedImagePath" ]; then
imagePath="$normalizedImagePath"
fi
fi
# this adds the build library dir to LD_LIBRARY_PATH
eval "$addBuildCompatibilityLibDir"
# map the shell commands
if [ $isCD ]; then
outputDir=$tmpDir/cdsource
sPrefix=
tPrefix="$outputDir/"
cd=cd
scd=:
cp="$copyattr -d"
copyAttrs="$copyattr"
ln=ln
mkdir=mkdir
rm=rm
elif [ $isImage ]; then
# If FIFOs are used for the communication with the FS shell, prepare them.
if $fsShellCommand --uses-fifos; then
fifoBasePath=/tmp/build_haiku_image-$$-fifo
toFSShellFifo=${fifoBasePath}-to-shell
fromFSShellFifo=${fifoBasePath}-from-shell
rm -f $toFSShellFifo $fromFSShellFifo
mkfifo $toFSShellFifo $fromFSShellFifo
# Open the FIFOs such that they are ready for the fsShellCommand. This
# also makes sure that they remain open until this script exits. When we
# exit while the FS shell is still running and waiting for commands,
# closing of our file descriptors will break the FIFOs and the FS shell
# will exit, too.
# Note: A bit of trickery is needed since opening one end blocks until
# someone opens the other end.
sleep 3<$fromFSShellFifo 1 &
exec 6>$fromFSShellFifo 3<$fromFSShellFifo
sleep 5<$toFSShellFifo 1 &
exec 4>$toFSShellFifo 5<$toFSShellFifo
# Remove the FIFO files again -- we have the open FDs, so they can
# still be used and this makes sure they won't hang around any further.
rm -f $toFSShellFifo $fromFSShellFifo
# Remap the fsShellCommand and bfsShell such that they don't inherit the
# wrong FDs. For both fsShellCommand and bfsShell FD 3 is the input from
# the respectively other program, FD 4 is the output to it.
actualFSShellCommand="$fsShellCommand"
actualBFSShell="$bfsShell"
fsShellCommandWrapper()
{
$actualFSShellCommand 5>&- 6>&- "$@"
}
bfsShellWrapper()
{
$actualBFSShell 3>&5 4<&6 "$@"
}
fsShellCommand=fsShellCommandWrapper
bfsShell=bfsShellWrapper
fi
# set up the other commands
sPrefix=:
tPrefix=/myfs/
cd="$fsShellCommand cd"
scd="$fsShellCommand cd"
cp="$fsShellCommand cp -f"
copyAttrs="$fsShellCommand cp -a"
ln="$fsShellCommand ln"
mkdir="$fsShellCommand mkdir"
rm="$fsShellCommand rm"
mkindex="$fsShellCommand mkindex"
else
sPrefix=
# TODO: This should come from the environment.
tPrefix="$installDir/"
cd=cd
scd=:
cp="$copyattr -d"
copyAttrs="$copyattr"
ln=ln
mkdir=mkdir
rm=rm
mkindex=mkindex
fi
is_in_list()
{
local element
for element in $2; do
if [ "$1" = "$element" ]; then
return 0
fi
done
return 1
}
extractFile()
{
# extractFile <archive> <directory> <extractedSubDir>
archiveFile=$1
targetExtractedDir=$2
extractedSubDir=$3
extractDir=$tmpDir/extract
$rmAttrs -rf "$extractDir"
mkdir -p "$extractDir"
case "$archiveFile" in
*.zip)
echo "Extracting $archiveFile ..."
$unzip -q -d "$extractDir" "$archiveFile"
;;
*.tgz|*.tar.gz)
echo "Extracting $archiveFile ..."
tar -C "$extractDir" -xf "$archiveFile"
;;
*.hpkg)
echo "Extracting $archiveFile ..."
if [ -n "$extractedSubDir" ]; then
$package extract -C "$extractDir" "$archiveFile" \
"$extractedSubDir"
else
$package extract -C "$extractDir" "$archiveFile"
fi
;;
*)
echo "Unhandled archive extension in build_haiku_image" \
"extractFile()"
exit 1
;;
esac
if [ -f $extractDir/.OptionalPackageDescription ]; then
cat $extractDir/.OptionalPackageDescription >> $copyrightsFile
echo >> $copyrightsFile
rm $extractDir/.OptionalPackageDescription
fi
$cp -r "${sPrefix}$extractDir/$extractedSubDir/." \
"${tPrefix}$targetExtractedDir"
$rmAttrs -rf "$extractDir"
}
downloadFile()
{
url=$1
path=$2
if [ ! -f "$path" ]; then
if [ "$noDownloads" = "1" ]; then
echo "ERROR: Would need to download $url, but HAIKU_NO_DOWNLOADS "
"is set!"
exit 1
fi
wget -O "$path" "$url"
fi
}
packageFileName()
{
$package info -f "%fileName%" "$1"
}
mkdir -p $tmpDir
copyrightsFile=$tmpDir/copyrights
$rmAttrs -f $copyrightsFile
if [ $isCD ]; then
# setup output dir
$rmAttrs -rf "$outputDir"
mkdir -p "$outputDir"
fi
# create the image and mount it
if [ $isImage ]; then
echo
imageOffsetFlags=
if [ $isVMwareImage ]; then
imageOffsetFlags="--start-offset 65536"
fi
if [ ! $updateOnly ]; then
echo "Creating image ..."
imageFlags="-i${imageSize}M"
if [ ! "$dontClearImage" ]; then
imageFlags="$imageFlags -c"
fi
if [ $isVMwareImage ]; then
$vmdkimage -h 64k $imageFlags "$imagePath"
else
$createImage $imageFlags "$imagePath"
fi
$bfsShell --initialize $imageOffsetFlags "$imagePath" \
"$imageLabel" "block_size 2048"
$makebootable $imageOffsetFlags "$imagePath"
fi
$bfsShell -n $imageOffsetFlags "$imagePath" > /dev/null &
sleep 1
# Close FDs 5 and 6. Those represent the pipe ends that are used by the
# FS shell. Closing them in the shell process makes sure an unexpected death
# of the FS shell causes writing to/reading from the other ends to fail
# immediately.
exec 5>&- 6>&-
# bail out, if mounting fails
$cd .
fi
# Clean out the old packages directory, if updating all packages.
if [ -n "$updateAllPackages" ]; then
echo "Removing old packages ..."
$rm -rf "${tPrefix}system/packages"
$mkdir -p "${tPrefix}system/packages"
fi
echo "Populating image ..."
while [ $# -gt 0 ]; do
. $1
shift
done
# resolve package dependencies
if [ -n "$resolvePackageDependencies" ]; then
echo "Resolving package dependencies ..."
packageUrls=`$getPackageDependencies $repositories -- $systemPackages`
for packageUrl in $packageUrls; do
packageFileName=`basename $packageUrl`
packageFilePath="$downloadDir/$packageFileName"
downloadFile $packageUrl "$packageFilePath"
$cp "${sPrefix}$packageFilePath" "${tPrefix}system/packages"
systemPackages="$systemPackages $packageFilePath"
done
fi
# install default settings for packages
for packageFile in $systemPackages; do
if $package list -p $packageFile | egrep '^settings/' > /dev/null; then
extractFile $packageFile system/settings settings
fi
done
# add the concatenated copyrights as an attribute to AboutSystem
# TODO: That might not be necessary, when all third-party software everything
# is packaged. Though we might not package everything.
# if [ ! $updateOnly ]; then
# if [ -f $copyrightsFile ]; then
# copyrightAttrs=$tmpDir/copyrightAttrs
# $rmAttrs -f $copyrightAttrs
# touch $copyrightAttrs
# $addattr -f $copyrightsFile COPYRIGHTS $copyrightAttrs
# $copyAttrs ${sPrefix}$copyrightAttrs ${tPrefix}system/apps/AboutSystem
# fi
# fi
if [ $isCD ]; then
# generate the attribute stores
echo "Generating attribute stores ..."
$generate_attribute_stores "$tPrefix"
echo "Copying boot image ..."
$cp "$cdBootFloppy" "$outputDir"
if [ $(which mkisofs) ]; then
# build the iso image using mkisofs
echo "Building CD image (mkisofs)..."
mkisofs -uid 0 -gid 0 -b `basename $cdBootFloppy` -R -V "$cdLabel" -o "$cdImagePath" "$tPrefix"
elif [ $(which genisoimage) ]; then
# build the iso image using genisoimage
echo "Building CD image (genisoimage)..."
echo "WARNING: genisoimage fallback has known problems with long filenames!"
echo " Please install mkisofs before making production releases!"
genisoimage -r -iso-level 4 -b `basename $cdBootFloppy` -V "$cdLabel" -o "$cdImagePath" "$tPrefix"
else
echo "you need mkisofs (preferred) or genisoimage to create a CD image."
exit 1
fi
# cleanup output dir
$rmAttrs -rf "$outputDir"
fi
# unmount
if [ $isImage ]; then
echo "Unmounting ..."
$fsShellCommand sync
$fsShellCommand quit
fi