asmack-master/build.bash - platform/external/smack - Git at Google

 #!/bin/bash

 svnfetch() {
     REV="${3:-HEAD}"
     echo "Fetching from ${1} to ${2} at revision ${REV}"
     cd $SRC_DIR
     if ! [ -f "${2}/.svn/entries" ]; then
 	mkdir "${2}"
 	cd "${2}"
 	svn co --non-interactive --trust-server-cert "${1}" -r "${REV}" "."
     else
 	cd "${2}"
 	svn cleanup
 	svn up -r "${REV}"
     fi
 }

 gitfetch() {
     echo "Fetching ${2} branch/commit from ${1} to ${3} via git"
     cd $SRC_DIR
     if ! [ -f "${3}/.git/config" ]; then
 	git clone "${1}" "${3}"
 	cd "${3}"
 	git checkout "${2}"
     else
 	cd "${3}"
 	git fetch
 	git checkout "${2}"
     fi

     if [ $? -ne 0 ]; then
 	exit
     fi
 }

 hgfetch() {
 (
   echo "Fetching ${2} branch from ${1} to ${3} via mercurial"
   cd src
   if [ -e "${2}/.hg" ] ; then
       cd ${2}
       hg pull
   else
       hg clone "${1}" "${2}"
   fi
   hg up -r ${3}
 )
     if [ $? -ne 0 ]; then
 	exit
     fi
 }


 testsmackgit() {
     cd $SRC_DIR
     if [ -f .used-smack-git-repo ] && [ $(cat .used-smack-git-repo) != $SMACK_REPO ] ; then
 	    echo "Used smack repository has changed!"
 	    echo "Old: $(cat .used-smack-git-repo) New: ${SMACK_REPO}."
 	    echo "Deleting old local copy"
 	    rm -rf smack
     fi
     echo "${SMACK_REPO}" > .used-smack-git-repo
 }

 fetchall() {
     echo "## Step 15: fetching sources"
     if $SMACK_LOCAL ; then
 	# always clean the local copy first
 	rm -rf ${SRC_DIR}/smack
 	mkdir ${SRC_DIR}/smack
 	cd $SMACK_REPO
 	git archive $SMACK_BRANCH | tar -x -C ${SRC_DIR}/smack
 	if [ $? -ne 0 ]; then
 	    exit
 	fi
     else
 	execute gitfetch "$SMACK_REPO" "$SMACK_BRANCH" "smack"
     fi

     if ! $UPDATE_REMOTE ; then
 	echo "Won't update or fetch third party resources"
 	wait
 	return
     fi

     execute svnfetch "http://svn.apache.org/repos/asf/qpid/trunk/qpid/java/management/common/src/main/" "qpid"
     execute svnfetch "http://svn.apache.org/repos/asf/harmony/enhanced/java/trunk/classlib/modules/auth/src/main/java/common/" "harmony"
     execute svnfetch "https://dnsjava.svn.sourceforge.net/svnroot/dnsjava/trunk" "dnsjava"
     execute gitfetch "git://kenai.com/jbosh~origin" "master" "jbosh"
     # jldap doesn't compile with the latest version (missing deps?), therefore it's a fixed version for now
     #  execute gitfetch "git://git.openldap.org/openldap-jldap.git" "master" "novell-openldap-jldap"
     wait
 }

 createVersionTag() {
     # Skip this step is no version tag is given
     [[ -z $VERSION_TAG ]] && return

     local v
     cat <<EOF  > $TAG_FILE
 #!/bin/bash

 # This file contains the version information of the components that
 # were used to build this aSmack version

 declare -g -A COMPONENT_VERSIONS
 EOF

     for d in $(ls $SRC_DIR) ; do
 	cd $SRC_DIR

 	# Don't record the components version for static-src
 	for static in $(ls ${ASMACK_BASE}/static-src) ; do
 	    # Don't record the version if it's from the static sources
 	    [ $d == $static ] && continue
 	done

 	if [[ -d $d/.git ]] ; then
 	    v=$(cd $d && git rev-parse HEAD)
 	    key=$d
 	    COMPONENT_VERSIONS["$d"]=$v
 	elif [[ -d $d/.svn ]] ; then
 	    v=$(cd $d && svn info |grep Revision |cut -f 2 -d ' ')
 	    key=$d
 	    COMPONENT_VERSIONS["$d"]=$v
 	fi
     done

     if $SMACK_LOCAL ; then
 	cd $SMACK_REPO
 	v=$(git rev-parse HEAD)
 	COMPONENT_VERSIONS[smack]=$v
     fi

     cd ${ASMACK_BASE}
     v=$(git rev-parse HEAD)
     COMPONENT_VERSIONS[asmack]=$v

     for i in "${!COMPONENT_VERSIONS[@]}" ; do
 	echo "COMPONENT_VERSIONS[$i]=${COMPONENT_VERSIONS[$i]}" >> $TAG_FILE
     done
 }

 copyfolder() {
   cd ${ASMACK_BASE}
   (
     cd "${1}"
     tar -cSsp --exclude-vcs "${3}"
   ) | (
     cd "${2}"
     tar -xSsp
   )
   wait
 }

 createbuildsrc() {
   echo "## Step 20: creating build/src"
   cd "${ASMACK_BASE}"
   rm -rf build/src
   mkdir -p build/src/trunk

   execute copyfolder "src/smack/source/" "build/src/trunk" "."
   execute copyfolder "src/qpid/java" "build/src/trunk" "org/apache/qpid/management/common/sasl"
   execute copyfolder "src/novell-openldap-jldap" "build/src/trunk" "."
   execute copyfolder "src/dnsjava"  "build/src/trunk" "org"
   execute copyfolder "src/harmony" "build/src/trunk" "."
   execute copyfolder "src/jbosh/src/main/java" "build/src/trunk" "."
   if $BUILD_JINGLE ; then
     execute copyfolder "src/smack/jingle/extension/source/" "build/src/trunk" "."
   fi
   wait
   # custom overwrites some files from smack, so this has to be done as last
   copyfolder "src/custom" "build/src/trunk" "."
 }

 patchsrc() {
     echo "## Step 25: patch build/src"
     cd ${ASMACK_BASE}/build/src/trunk/
     for PATCH in `(cd "../../../${1}" ; find -maxdepth 1 -type f)|sort` ; do
 	echo $PATCH
 	if [[ $PATCH == *.sh ]]; then
 	    "../../../${1}/$PATCH" || exit 1
 	elif [[ $PATCH == *.patch ]]; then
 	    patch -p0 < "../../../${1}/$PATCH" || exit 1
 	fi
     done
 }

 build() {
   echo "## Step 30: compile"
   buildandroid
   if [ $? -ne 0 ]; then
       exit 1
   fi
 }

 buildandroid() {
     local sdklocation
     local version
     local sdks
     local minSdkVer=8

     cd $ASMACK_BASE

     if [ ! -f local.properties ] ; then
 	echo "Could not find local.properties file"
 	echo "See local.properties.example"
 	exit 1
     fi

     sdklocation=$(grep sdk-location local.properties| cut -d= -f2)
     if [ -z "$sdklocation" ] ; then
 	echo "Android SDK not found. Don't build android version"
 	exit 1
     fi
     for f in ${sdklocation/\$\{user.home\}/$HOME}/platforms/* ; do
 	version=`basename $f`
 	if [[ "$version" != android-* ]] ; then
 	    echo "$sdklocation contains no Android SDKs"
 	    exit 1
 	fi
 	if [[ ${version#android-} -ge $minSdkVer ]] ; then
 	    if [ -n $BUILD_ANDROID_VERSIONS ] ; then
 		for build_version in $BUILD_ANDROID_VERSIONS ; do
 		    [ ${version#android-} != $build_version ] && continue 2
 		done
 	    fi
 	    echo "Building for ${version}"
 	    sdks="${sdks} ${version}\n"
 	fi

     done

     if [ -z "${sdks}" ] ; then
 	echo "No SDKs of a suitable minimal API (${minSdkVer}) version found"
 	exit 1
     fi

     local asmack_suffix
     if [[ -n ${VERSION_TAG} ]] && [[ -n ${1} ]] ; then
 	asmack_suffix="${1}-${VERSION_TAG}"
     elif [[ -n ${VERSION_TAG} ]] ; then
 	asmack_suffix="-${VERSION_TAG}"
     else
 	asmack_suffix="${1}"
     fi
     if ! echo -e ${sdks} \
 	| xargs -I{} -n 1 $XARGS_ARGS ant \
 		-Dandroid.version={} \
 		-Djar.suffix="${asmack_suffix}" \
 		compile-android ; then
 	exit 1
     fi
 }

 buildcustom() {
   for dir in `find patch -maxdepth 1 -mindepth 1 -type d`; do
     buildsrc
     patchsrc "patch"
     if $BUILD_JINGLE ; then
       patchsrc "jingle"
       JINGLE_ARGS="-Djingle=lib/jstun.jar"
     fi
     patchsrc "${dir}"
     local custom
     custom=$(echo ${dir} | sed 's:patch/:-:')
     ant -Djar.suffix="${custom}" $JINGLE_ARGS
     buildandroid "${custom}"
   done
 }

 parseopts() {
     while getopts a:b:r:t:cdhjpux OPTION "$@"; do
 	case $OPTION in
 	    a)
 		BUILD_ANDROID_VERSIONS="${OPTARG}"
 		;;
 	    r)
 		SMACK_REPO="${OPTARG}"
 		;;
 	    b)
 		SMACK_BRANCH="${OPTARG}"
 		;;
 	    d)
 		set -x
 		XARGS_ARGS="-t"
 		;;
 	    j)
 		BUILD_JINGLE=true
 		;;
 	    u)
 		UPDATE_REMOTE=false
 		;;
 	    c)
 		BUILD_CUSTOM=true
 		;;
 	    p)
 		PARALLEL_BUILD=true
 		;;
 	    t)
 		VERSION_TAG="${OPTARG}"
 		;;
 	    x)
 		PUBLISH_RELEASE=true
 		;;
 	    h)
 		echo "$0 -d -c -u -j -r <repo> -b <branch>"
 		echo "-d: Enable debug"
 		echo "-j: Build jingle code"
 		echo "-c: Apply custom patchs from patch directory"
 		echo "-u: DON'T update remote third party resources"
 		echo "-r <repo>: Git repository (can be local or remote) for underlying smack repository"
 		echo "-b <branch>: Git branch used to build aSmack from underlying smack repository"
 		echo "-p use parallel build where possible"
 		echo "-t <version>: Create a new version tag. You should build aSmack before calling this"
 		echo "-x: Publish the release"
 		echo "-a <SDK Version(s)>: Build only for the given Android SDK versions"
 		exit
 		;;
 	esac
     done
 }

 prepareRelease() {
     if [[ -z ${VERSION_TAG} ]]; then
 	echo "Version tag is not set. Not going to prepare a release"
 	return
     fi

     if [ -d $RELEASE_DIR ] ; then
 	rm -rf $RELEASE_DIR
     fi
     mkdir -p $RELEASE_DIR

     mv ${ASMACK_BASE}/build/*.{jar,zip} ${RELEASE_DIR}/
     cp $TAG_FILE ${RELEASE_DIR}/
     cp ${ASMACK_BASE}/CHANGELOG ${RELEASE_DIR}

     if [ -n $GPG_KEY ] ; then
 	find $RELEASE_DIR -maxdepth 1 -and \( -name '*.jar' -or -name '*.zip' \) -print0 \
 	    | xargs -n 1 -0 $XARGS_ARGS gpg --local-user $GPG_KEY --detach-sign
     fi

     find $RELEASE_DIR -maxdepth 1 -and \( -name '*.jar' -or -name '*.zip' \) -print0 \
 	| xargs -I{} -n 1 -0 $XARGS_ARGS sh -c 'md5sum {} > {}.md5'

     local release_readme
     release_readme=${RELEASE_DIR}/README

     sed \
 	-e "s/\$VERSION_TAG/${VERSION_TAG}/" \
 	-e "s/\$BUILD_DATE/${BUILD_DATE}/" \
 	README.asmack > $release_readme

     # Pretty print the component versions at the end of README
     # Note that there is an exclamation mark at the beginning of the
     # associative array to access the keys
     for i in "${!COMPONENT_VERSIONS[@]}" ; do
 	local tabs
 	if [[ ${#i} -le 6 ]] ; then
 	    tabs="\t\t"
 	else
 	    tabs="\t"
 	fi
 	echo -e "${i}:${tabs}${COMPONENT_VERSIONS[$i]}" >> $release_readme
     done
 }

 publishRelease() {
     if [[ -z ${VERSION_TAG} ]]; then
 	echo "Version tag is not set. Not going to prepare a release"
 	return
     fi

     if [[ -z ${PUBLISH_RELEASE} ]]; then
 	echo "User doesn't want to publish this release"
 	return
     fi

     if [[ -z $PUBLISH_HOST || -z $PUBLISH_DIR ]]; then
 	echo "WARNING: Not going to publish this release as either $PUBLISH_HOST or $PUBLISH_DIR is not set"
 	return
     fi

     cd ${ASMACK_RELEASES}
     cat <<EOF | sftp $PUBLISH_HOST
 rm ${PUBLISH_DIR}/${VERSION_TAG}/*
 mkdir ${PUBLISH_DIR}/${VERSION_TAG}
 put -r $VERSION_TAG $PUBLISH_DIR
 EOF
 }

 islocalrepo() {
     local R="^(git|ssh)"
     if [[ $1 =~ $R ]]; then
 	return 1
     else
 	return 0
     fi
 }

 initialize() {
     echo "## Step 00: initialize"
     if ! [ -d build/src/trunk ]; then
 	mkdir -p build/src/trunk
     fi
     if [ ! -d src/ ]; then
 	mkdir src
     fi
     find build \( -name '*.jar' -or -name '*.zip' \) -print0 | xargs -0 rm -f
     rm -rf src/custom
 }

 cleanup() {
     echo "## Deleting all temporary files"
     rm -rf build
     rm -rf src
 }

 copystaticsrc() {
     cp -ur static-src/* src/
 }

 cmdExists() {
     command -v $1 &> /dev/null
     return $?
 }

 prettyPrintSeconds() {
     local ttime
     if (( $1 > 59 )); then
 	ttime=$(printf "%dm %ds\n" $(($1/60%60)) $(($1%60)) )
     else
 	ttime=$(printf "%ds\n" $(($1)) )
     fi
     echo "Execution took $ttime"
 }

 execute() {
     if [ -n "$BACKGROUND" ]; then
 	"$@" &
     else
 	"$@"
     fi
 }

 setdefaults() {
     # Default configuration, can be changed with script arguments
     SMACK_REPO=git://github.com/Flowdalic/smack.git
     SMACK_BRANCH=master
     SMACK_LOCAL=false
     UPDATE_REMOTE=true
     BUILD_CUSTOM=false
     BUILD_JINGLE=false
     JINGLE_ARGS=""
     PARALLEL_BUILD=false
     VERSION_TAG=""
     PUBLISH_RELEASE=""
     PUBLISH_HOST=""
     PUBLISH_DIR=""
     BUILD_ANDROID_VERSIONS=""

     # Often used variables
     ASMACK_BASE=$(pwd)
     ASMACK_RELEASES=${ASMACK_BASE}/releases
     SRC_DIR=${ASMACK_BASE}/src
     VERSION_TAG_DIR=${ASMACK_BASE}/version-tags
     STARTTIME=$(date -u "+%s")
     BUILD_DATE=$(date)
     # Declare an associative array that is in global scope ('-g')
     declare -g -A COMPONENT_VERSIONS
 }

 parseconfig() {
     if [ -f ${ASMACK_BASE}/config ]; then
 	source ${ASMACK_BASE}/config
     fi
 }

 setconfig() {
     if [ ${PARALLEL_BUILD} == "true" ]; then
 	XARGS_ARGS="${XARGS_ARGS} -P4"
 	BACKGROUND="true"
     else
 	XARGS_ARGS=""
 	BACKGROUND=""
     fi

     if islocalrepo $SMACK_REPO; then
 	SMACK_LOCAL=true
 	SMACK_REPO=`readlink -f $SMACK_REPO`
     fi

     if [[ -n ${VERSION_TAG} ]]; then
 	if ! grep ${VERSION_TAG} CHANGELOG; then
 	    echo "Could not find the tag in the CHANGELOG file. Please write a short summary of changes"
 	    exit 1
 	fi
 	if ! git diff --exit-code; then
 	    echo "Unstaged changes found, please stages your changes"
 	    exit 1
 	fi
 	if ! git diff --cached --exit-code; then
 	    echo "Staged, but uncommited changes found, please commit"
 	    exit 1
 	fi
 	RELEASE_DIR=${ASMACK_RELEASES}/${VERSION_TAG}
 	TAG_FILE=${VERSION_TAG_DIR}/${VERSION_TAG}.tag
     fi
 }

 printconfig() {
     echo "Smack git repository $SMACK_REPO with branch $SMACK_BRANCH"
     echo -e "SMACK_LOCAL:$SMACK_LOCAL\tUPDATE_REMOTE:$UPDATE_REMOTE\tBUILD_CUSTOM:$BUILD_CUSTOM\tBUILD_JINGLE:$BUILD_JINGLE"
     echo -e "PARALLEL_BUILD:$PARALLEL_BUILD\tBASE:$ASMACK_BASE"
 }

 checkPrerequisites() {
     if [[ $BASH_VERSION < 4 ]] ; then
 	echo "aSmack's build.bash needs at least bash version 4"
 	exit 1
     fi

     if ! tar --version |grep GNU &> /dev/null ; then
 	echo "aSmack's build.bash needs GNU tar"
 	exit 1
     fi
 }

 # Main

 setdefaults
 parseopts $@
 checkPrerequisites
 parseconfig
 setconfig
 printconfig
 initialize
 copystaticsrc
 testsmackgit
 fetchall
 createVersionTag
 createbuildsrc
 patchsrc "patch"
 if $BUILD_JINGLE ; then
   patchsrc "jingle"
   JINGLE_ARGS="-Djingle=lib/jstun.jar"
 fi
 build

 if $BUILD_CUSTOM ; then
     buildcustom
 fi

 if cmdExists advzip ; then
   echo "advzip found, compressing files"
   find build \( -name '*.jar' -or -name '*.zip' \) -print0 | xargs -n 1 -0 $XARGS_ARGS advzip -z4
 else
   echo "Could not find the advzip command."
   echo "advzip will further reduce the size of the generated jar and zip files,"
   echo "consider installing advzip"
 fi

 prepareRelease
 publishRelease

 STOPTIME=$(date -u "+%s")
 RUNTIME=$(( $STOPTIME - $STARTTIME ))
 prettyPrintSeconds $RUNTIME
 printconfig
	#!/bin/bash

	svnfetch() {
	REV="${3:-HEAD}"
	echo "Fetching from ${1} to ${2} at revision ${REV}"
	cd $SRC_DIR
	if ! [ -f "${2}/.svn/entries" ]; then
	mkdir "${2}"
	cd "${2}"
	svn co --non-interactive --trust-server-cert "${1}" -r "${REV}" "."
	else
	cd "${2}"
	svn cleanup
	svn up -r "${REV}"
	fi
	}

	gitfetch() {
	echo "Fetching ${2} branch/commit from ${1} to ${3} via git"
	cd $SRC_DIR
	if ! [ -f "${3}/.git/config" ]; then
	git clone "${1}" "${3}"
	cd "${3}"
	git checkout "${2}"
	else
	cd "${3}"
	git fetch
	git checkout "${2}"
	fi

	if [ $? -ne 0 ]; then
	exit
	fi
	}

	hgfetch() {
	(
	echo "Fetching ${2} branch from ${1} to ${3} via mercurial"
	cd src
	if [ -e "${2}/.hg" ] ; then
	cd ${2}
	hg pull
	else
	hg clone "${1}" "${2}"
	fi
	hg up -r ${3}
	)
	if [ $? -ne 0 ]; then
	exit
	fi
	}


	testsmackgit() {
	cd $SRC_DIR
	if [ -f .used-smack-git-repo ] && [ $(cat .used-smack-git-repo) != $SMACK_REPO ] ; then
	echo "Used smack repository has changed!"
	echo "Old: $(cat .used-smack-git-repo) New: ${SMACK_REPO}."
	echo "Deleting old local copy"
	rm -rf smack
	fi
	echo "${SMACK_REPO}" > .used-smack-git-repo
	}

	fetchall() {
	echo "## Step 15: fetching sources"
	if $SMACK_LOCAL ; then
	# always clean the local copy first
	rm -rf ${SRC_DIR}/smack
	mkdir ${SRC_DIR}/smack
	cd $SMACK_REPO
	git archive $SMACK_BRANCH \| tar -x -C ${SRC_DIR}/smack
	if [ $? -ne 0 ]; then
	exit
	fi
	else
	execute gitfetch "$SMACK_REPO" "$SMACK_BRANCH" "smack"
	fi

	if ! $UPDATE_REMOTE ; then
	echo "Won't update or fetch third party resources"
	wait
	return
	fi

	execute svnfetch "http://svn.apache.org/repos/asf/qpid/trunk/qpid/java/management/common/src/main/" "qpid"
	execute svnfetch "http://svn.apache.org/repos/asf/harmony/enhanced/java/trunk/classlib/modules/auth/src/main/java/common/" "harmony"
	execute svnfetch "https://dnsjava.svn.sourceforge.net/svnroot/dnsjava/trunk" "dnsjava"
	execute gitfetch "git://kenai.com/jbosh~origin" "master" "jbosh"
	# jldap doesn't compile with the latest version (missing deps?), therefore it's a fixed version for now
	# execute gitfetch "git://git.openldap.org/openldap-jldap.git" "master" "novell-openldap-jldap"
	wait
	}

	createVersionTag() {
	# Skip this step is no version tag is given
	[[ -z $VERSION_TAG ]] && return

	local v
	cat <<EOF > $TAG_FILE
	#!/bin/bash

	# This file contains the version information of the components that
	# were used to build this aSmack version

	declare -g -A COMPONENT_VERSIONS
	EOF

	for d in $(ls $SRC_DIR) ; do
	cd $SRC_DIR

	# Don't record the components version for static-src
	for static in $(ls ${ASMACK_BASE}/static-src) ; do
	# Don't record the version if it's from the static sources
	[ $d == $static ] && continue
	done

	if [[ -d $d/.git ]] ; then
	v=$(cd $d && git rev-parse HEAD)
	key=$d
	COMPONENT_VERSIONS["$d"]=$v
	elif [[ -d $d/.svn ]] ; then
	v=$(cd $d && svn info \|grep Revision \|cut -f 2 -d ' ')
	key=$d
	COMPONENT_VERSIONS["$d"]=$v
	fi
	done

	if $SMACK_LOCAL ; then
	cd $SMACK_REPO
	v=$(git rev-parse HEAD)
	COMPONENT_VERSIONS[smack]=$v
	fi

	cd ${ASMACK_BASE}
	v=$(git rev-parse HEAD)
	COMPONENT_VERSIONS[asmack]=$v

	for i in "${!COMPONENT_VERSIONS[@]}" ; do
	echo "COMPONENT_VERSIONS[$i]=${COMPONENT_VERSIONS[$i]}" >> $TAG_FILE
	done
	}

	copyfolder() {
	cd ${ASMACK_BASE}
	(
	cd "${1}"
	tar -cSsp --exclude-vcs "${3}"
	) \| (
	cd "${2}"
	tar -xSsp
	)
	wait
	}

	createbuildsrc() {
	echo "## Step 20: creating build/src"
	cd "${ASMACK_BASE}"
	rm -rf build/src
	mkdir -p build/src/trunk

	execute copyfolder "src/smack/source/" "build/src/trunk" "."
	execute copyfolder "src/qpid/java" "build/src/trunk" "org/apache/qpid/management/common/sasl"
	execute copyfolder "src/novell-openldap-jldap" "build/src/trunk" "."
	execute copyfolder "src/dnsjava" "build/src/trunk" "org"
	execute copyfolder "src/harmony" "build/src/trunk" "."
	execute copyfolder "src/jbosh/src/main/java" "build/src/trunk" "."
	if $BUILD_JINGLE ; then
	execute copyfolder "src/smack/jingle/extension/source/" "build/src/trunk" "."
	fi
	wait
	# custom overwrites some files from smack, so this has to be done as last
	copyfolder "src/custom" "build/src/trunk" "."
	}

	patchsrc() {
	echo "## Step 25: patch build/src"
	cd ${ASMACK_BASE}/build/src/trunk/
	for PATCH in `(cd "../../../${1}" ; find -maxdepth 1 -type f)\|sort` ; do
	echo $PATCH
	if [[ $PATCH == *.sh ]]; then
	"../../../${1}/$PATCH" \|\| exit 1
	elif [[ $PATCH == *.patch ]]; then
	patch -p0 < "../../../${1}/$PATCH" \|\| exit 1
	fi
	done
	}

	build() {
	echo "## Step 30: compile"
	buildandroid
	if [ $? -ne 0 ]; then
	exit 1
	fi
	}

	buildandroid() {
	local sdklocation
	local version
	local sdks
	local minSdkVer=8

	cd $ASMACK_BASE

	if [ ! -f local.properties ] ; then
	echo "Could not find local.properties file"
	echo "See local.properties.example"
	exit 1
	fi

	sdklocation=$(grep sdk-location local.properties\| cut -d= -f2)
	if [ -z "$sdklocation" ] ; then
	echo "Android SDK not found. Don't build android version"
	exit 1
	fi
	for f in ${sdklocation/\$\{user.home\}/$HOME}/platforms/* ; do
	version=`basename $f`
	if [[ "$version" != android-* ]] ; then
	echo "$sdklocation contains no Android SDKs"
	exit 1
	fi
	if [[ ${version#android-} -ge $minSdkVer ]] ; then
	if [ -n $BUILD_ANDROID_VERSIONS ] ; then
	for build_version in $BUILD_ANDROID_VERSIONS ; do
	[ ${version#android-} != $build_version ] && continue 2
	done
	fi
	echo "Building for ${version}"
	sdks="${sdks} ${version}\n"
	fi

	done

	if [ -z "${sdks}" ] ; then
	echo "No SDKs of a suitable minimal API (${minSdkVer}) version found"
	exit 1
	fi

	local asmack_suffix
	if [[ -n ${VERSION_TAG} ]] && [[ -n ${1} ]] ; then
	asmack_suffix="${1}-${VERSION_TAG}"
	elif [[ -n ${VERSION_TAG} ]] ; then
	asmack_suffix="-${VERSION_TAG}"
	else
	asmack_suffix="${1}"
	fi
	if ! echo -e ${sdks} \
	\| xargs -I{} -n 1 $XARGS_ARGS ant \
	-Dandroid.version={} \
	-Djar.suffix="${asmack_suffix}" \
	compile-android ; then
	exit 1
	fi
	}

	buildcustom() {
	for dir in `find patch -maxdepth 1 -mindepth 1 -type d`; do
	buildsrc
	patchsrc "patch"
	if $BUILD_JINGLE ; then
	patchsrc "jingle"
	JINGLE_ARGS="-Djingle=lib/jstun.jar"
	fi
	patchsrc "${dir}"
	local custom
	custom=$(echo ${dir} \| sed 's:patch/:-:')
	ant -Djar.suffix="${custom}" $JINGLE_ARGS
	buildandroid "${custom}"
	done
	}

	parseopts() {
	while getopts a:b:r:t:cdhjpux OPTION "$@"; do
	case $OPTION in
	a)
	BUILD_ANDROID_VERSIONS="${OPTARG}"
	;;
	r)
	SMACK_REPO="${OPTARG}"
	;;
	b)
	SMACK_BRANCH="${OPTARG}"
	;;
	d)
	set -x
	XARGS_ARGS="-t"
	;;
	j)
	BUILD_JINGLE=true
	;;
	u)
	UPDATE_REMOTE=false
	;;
	c)
	BUILD_CUSTOM=true
	;;
	p)
	PARALLEL_BUILD=true
	;;
	t)
	VERSION_TAG="${OPTARG}"
	;;
	x)
	PUBLISH_RELEASE=true
	;;
	h)
	echo "$0 -d -c -u -j -r <repo> -b <branch>"
	echo "-d: Enable debug"
	echo "-j: Build jingle code"
	echo "-c: Apply custom patchs from patch directory"
	echo "-u: DON'T update remote third party resources"
	echo "-r <repo>: Git repository (can be local or remote) for underlying smack repository"
	echo "-b <branch>: Git branch used to build aSmack from underlying smack repository"
	echo "-p use parallel build where possible"
	echo "-t <version>: Create a new version tag. You should build aSmack before calling this"
	echo "-x: Publish the release"
	echo "-a <SDK Version(s)>: Build only for the given Android SDK versions"
	exit
	;;
	esac
	done
	}

	prepareRelease() {
	if [[ -z ${VERSION_TAG} ]]; then
	echo "Version tag is not set. Not going to prepare a release"
	return
	fi

	if [ -d $RELEASE_DIR ] ; then
	rm -rf $RELEASE_DIR
	fi
	mkdir -p $RELEASE_DIR

	mv ${ASMACK_BASE}/build/*.{jar,zip} ${RELEASE_DIR}/
	cp $TAG_FILE ${RELEASE_DIR}/
	cp ${ASMACK_BASE}/CHANGELOG ${RELEASE_DIR}

	if [ -n $GPG_KEY ] ; then
	find $RELEASE_DIR -maxdepth 1 -and \( -name '.jar' -or -name '.zip' \) -print0 \
	\| xargs -n 1 -0 $XARGS_ARGS gpg --local-user $GPG_KEY --detach-sign
	fi

	find $RELEASE_DIR -maxdepth 1 -and \( -name '.jar' -or -name '.zip' \) -print0 \
	\| xargs -I{} -n 1 -0 $XARGS_ARGS sh -c 'md5sum {} > {}.md5'

	local release_readme
	release_readme=${RELEASE_DIR}/README

	sed \
	-e "s/\$VERSION_TAG/${VERSION_TAG}/" \
	-e "s/\$BUILD_DATE/${BUILD_DATE}/" \
	README.asmack > $release_readme

	# Pretty print the component versions at the end of README
	# Note that there is an exclamation mark at the beginning of the
	# associative array to access the keys
	for i in "${!COMPONENT_VERSIONS[@]}" ; do
	local tabs
	if [[ ${#i} -le 6 ]] ; then
	tabs="\t\t"
	else
	tabs="\t"
	fi
	echo -e "${i}:${tabs}${COMPONENT_VERSIONS[$i]}" >> $release_readme
	done
	}

	publishRelease() {
	if [[ -z ${VERSION_TAG} ]]; then
	echo "Version tag is not set. Not going to prepare a release"
	return
	fi

	if [[ -z ${PUBLISH_RELEASE} ]]; then
	echo "User doesn't want to publish this release"
	return
	fi

	if [[ -z $PUBLISH_HOST \|\| -z $PUBLISH_DIR ]]; then
	echo "WARNING: Not going to publish this release as either $PUBLISH_HOST or $PUBLISH_DIR is not set"
	return
	fi

	cd ${ASMACK_RELEASES}
	cat <<EOF \| sftp $PUBLISH_HOST
	rm ${PUBLISH_DIR}/${VERSION_TAG}/*
	mkdir ${PUBLISH_DIR}/${VERSION_TAG}
	put -r $VERSION_TAG $PUBLISH_DIR
	EOF
	}

	islocalrepo() {
	local R="^(git\|ssh)"
	if [[ $1 =~ $R ]]; then
	return 1
	else
	return 0
	fi
	}

	initialize() {
	echo "## Step 00: initialize"
	if ! [ -d build/src/trunk ]; then
	mkdir -p build/src/trunk
	fi
	if [ ! -d src/ ]; then
	mkdir src
	fi
	find build \( -name '.jar' -or -name '.zip' \) -print0 \| xargs -0 rm -f
	rm -rf src/custom
	}

	cleanup() {
	echo "## Deleting all temporary files"
	rm -rf build
	rm -rf src
	}

	copystaticsrc() {
	cp -ur static-src/* src/
	}

	cmdExists() {
	command -v $1 &> /dev/null
	return $?
	}

	prettyPrintSeconds() {
	local ttime
	if (( $1 > 59 )); then
	ttime=$(printf "%dm %ds\n" $(($1/60%60)) $(($1%60)) )
	else
	ttime=$(printf "%ds\n" $(($1)) )
	fi
	echo "Execution took $ttime"
	}

	execute() {
	if [ -n "$BACKGROUND" ]; then
	"$@" &
	else
	"$@"
	fi
	}

	setdefaults() {
	# Default configuration, can be changed with script arguments
	SMACK_REPO=git://github.com/Flowdalic/smack.git
	SMACK_BRANCH=master
	SMACK_LOCAL=false
	UPDATE_REMOTE=true
	BUILD_CUSTOM=false
	BUILD_JINGLE=false
	JINGLE_ARGS=""
	PARALLEL_BUILD=false
	VERSION_TAG=""
	PUBLISH_RELEASE=""
	PUBLISH_HOST=""
	PUBLISH_DIR=""
	BUILD_ANDROID_VERSIONS=""

	# Often used variables
	ASMACK_BASE=$(pwd)
	ASMACK_RELEASES=${ASMACK_BASE}/releases
	SRC_DIR=${ASMACK_BASE}/src
	VERSION_TAG_DIR=${ASMACK_BASE}/version-tags
	STARTTIME=$(date -u "+%s")
	BUILD_DATE=$(date)
	# Declare an associative array that is in global scope ('-g')
	declare -g -A COMPONENT_VERSIONS
	}

	parseconfig() {
	if [ -f ${ASMACK_BASE}/config ]; then
	source ${ASMACK_BASE}/config
	fi
	}

	setconfig() {
	if [ ${PARALLEL_BUILD} == "true" ]; then
	XARGS_ARGS="${XARGS_ARGS} -P4"
	BACKGROUND="true"
	else
	XARGS_ARGS=""
	BACKGROUND=""
	fi

	if islocalrepo $SMACK_REPO; then
	SMACK_LOCAL=true
	SMACK_REPO=`readlink -f $SMACK_REPO`
	fi

	if [[ -n ${VERSION_TAG} ]]; then
	if ! grep ${VERSION_TAG} CHANGELOG; then
	echo "Could not find the tag in the CHANGELOG file. Please write a short summary of changes"
	exit 1
	fi
	if ! git diff --exit-code; then
	echo "Unstaged changes found, please stages your changes"
	exit 1
	fi
	if ! git diff --cached --exit-code; then
	echo "Staged, but uncommited changes found, please commit"
	exit 1
	fi
	RELEASE_DIR=${ASMACK_RELEASES}/${VERSION_TAG}
	TAG_FILE=${VERSION_TAG_DIR}/${VERSION_TAG}.tag
	fi
	}

	printconfig() {
	echo "Smack git repository $SMACK_REPO with branch $SMACK_BRANCH"
	echo -e "SMACK_LOCAL:$SMACK_LOCAL\tUPDATE_REMOTE:$UPDATE_REMOTE\tBUILD_CUSTOM:$BUILD_CUSTOM\tBUILD_JINGLE:$BUILD_JINGLE"
	echo -e "PARALLEL_BUILD:$PARALLEL_BUILD\tBASE:$ASMACK_BASE"
	}

	checkPrerequisites() {
	if [[ $BASH_VERSION < 4 ]] ; then
	echo "aSmack's build.bash needs at least bash version 4"
	exit 1
	fi

	if ! tar --version \|grep GNU &> /dev/null ; then
	echo "aSmack's build.bash needs GNU tar"
	exit 1
	fi
	}

	# Main

	setdefaults
	parseopts $@
	checkPrerequisites
	parseconfig
	setconfig
	printconfig
	initialize
	copystaticsrc
	testsmackgit
	fetchall
	createVersionTag
	createbuildsrc
	patchsrc "patch"
	if $BUILD_JINGLE ; then
	patchsrc "jingle"
	JINGLE_ARGS="-Djingle=lib/jstun.jar"
	fi
	build

	if $BUILD_CUSTOM ; then
	buildcustom
	fi

	if cmdExists advzip ; then
	echo "advzip found, compressing files"
	find build \( -name '.jar' -or -name '.zip' \) -print0 \| xargs -n 1 -0 $XARGS_ARGS advzip -z4
	else
	echo "Could not find the advzip command."
	echo "advzip will further reduce the size of the generated jar and zip files,"
	echo "consider installing advzip"
	fi

	prepareRelease
	publishRelease

	STOPTIME=$(date -u "+%s")
	RUNTIME=$(( $STOPTIME - $STARTTIME ))
	prettyPrintSeconds $RUNTIME
	printconfig