# This file is part of the src2pkg program:
# Copyright 2005-2010 Gilbert Ashley <amigo@ibilio.org>
# src2pkg is released under the GNU General Public License Version 2

# This method installs all files into a 'false root' directory, the PKG_DIR.
# This usually works when using DESTDIR is not supported by the Makefiles and
# is less intrusive than installing to the real root directory, backing up 
# overwritten files and then restoring them

install_to_jail_root() {
echo $BLUE"Creating content in JAIL root - "$NORMAL"Using: '$INSTALL_COMMAND $INSTALL_RULE'"$NORMAL
if [ $PKG_DIR != "" ] ; then
	! [ $INSTALLSENTRY_ROOT_DIR ] && INSTALLSENTRY_ROOT_DIR="${PKG_DIR}"
fi
export INSTALLSENTRY_ROOT_DIR

# The libsentry variable is INSTW_ROOTPATH
# We give it a second name  since INSTW_ROOTPATH gets unset

# This is supposed to have been done already
mkdir -p "$INSTALLSENTRY_ROOT_DIR"

# make sure all these are unset
unset INSTW_ROOTPATH
unset INSTW_TRANSL
unset INSTW_BACKUP
unset INSTW_LOGFILE
unset INSTW_DBGFILE
unset INSTW_DBGLVL
unset INSTW_EXCLUDE

# This method installs the files in PKG_DIR/TRANSL
INSTW_ROOTPATH="${INSTALLSENTRY_ROOT_DIR}"
export INSTW_ROOTPATH

if [ $DEBUG_FILELISTS ] ; then
	INSTW_LOGFILE="${CWD}/FILELIST.tmp"
	INSTW_DBGFILE="${CWD}/libsentry.debug"
	INSTW_DBGLVL=2
	if cat /dev/null >"${INSTW_LOGFILE}" ; then
		true
	else
		echo $RED"FAILED! - "$NORMAL "Unable to prepare $INSTW_LOGFILE"
		exit 1
	fi
	if cat /dev/null >"${INSTW_DBGFILE}" ; then
		true
	else
		echo $RED"FAILED! - "$NORMAL "Unable to prepare $INSTW_DBGFILE"
		exit 1
	fi
fi

export INSTW_LOGFILE
export INSTW_DBGFILE
export INSTW_DBGLVL

# turn the backup feature off
INSTW_BACKUP=0
export INSTW_BACKUP
# turn the translation fetaure on
INSTW_TRANSL=1
export INSTW_TRANSL

# this doesn't seem to work any other way
INSTW_EXCLUDE="/dev,/proc,/tmp,/var/tmp,${INSTW_EXCLUDE}"
OIFS="$IFS"
IFS=','
INSTW_EXCLUDE=$(for name in $INSTW_EXCLUDE; do
	echo $name
	done | sort -u |
	while read elem; do
		echo -n "$elem,"
	done)
export INSTW_EXCLUDE
IFS="$OIFS"
	
# 
LD_PRELOAD="/usr/libexec/src2pkg/lib/libsentry.so"
export LD_PRELOAD

trap trap_int 2
( cd $OBJ_DIR ;
if [[ $LOG_COMMANDS = "YES" ]] ; then
	echo "NOTICE: Sorry, normal logging is not possible when using jail root" > "$LOG_DIR"/$NAME-make-install.log
	echo "because all processes are diverted by libsentry. It which keeps an" >> "$LOG_DIR"/$NAME-make-install.log
	echo "even more accurate log which is then parsed to list all files and" >> "$LOG_DIR"/$NAME-make-install.log
	echo "directories created. Some logging output can be found in the file" >> "$LOG_DIR"/$NAME-make-install.log
	echo "named $NAME-test-make-install.log which is the output from: '$MAKE_COMMAND -n $INSTALL_RULE'" >> $NAME-make-install.log
	echo $CYAN"NOTICE: "$NORMAL"Redirection to a log-file not possible with 'jail root'."
	$INSTALL_COMMAND $INSTALL_RULE
elif [[ $QUIET = "YES" ]] ; then
	$INSTALL_COMMAND $INSTALL_RULE &> /dev/null
else
	$INSTALL_COMMAND $INSTALL_RULE
fi
)

RETVAL=$?

if [ $RETVAL -eq 0 -o $RETVAL -gt 1 ] ; then
	
	unset INSTW_ROOTPATH
	unset LD_PRELOAD
	
	# libsentry tracks the writing of its' own logfile so a 'shadow' directory of
	# the current working directory gets created which must be removed
	# *Carefully* remove the shadow CWD from the INSTALLSENTRY_ROOT_DIR
	# strip off the leading '/'
	SHADOW_CWD="${CWD:1}"
	# strip off the trainling subdirs to get the main base dir name
	SHADOW_CWD_BASE="${SHADOW_CWD%%/*}"
	# cd into the BACKUP and then rm -rf
	( cd "$INSTALLSENTRY_ROOT_DIR"/TRANSL && rm -rf "$SHADOW_CWD_BASE" )
	# also remove the META directory
	( cd "$INSTALLSENTRY_ROOT_DIR" && rm -rf META )
	
	if [[ $(find "${INSTALLSENTRY_ROOT_DIR}"/TRANSL -type f) != "" ]] ; then
		if [[ $DEBUG ]] && [[ $RETVAL -gt 1 ]] ; then
			echo $CYAN"NOTICE - "$NORMAL"Possible error($RETVAL) running '$INSTALL_COMMAND $INSTALL_RULE'"
			echo "         This may be a false error since some files have been installed."
			echo "         But you should check the package content just to be sure."
		fi
		# now move the installed content into the main PKG_DIR
		#( cd "${INSTALLSENTRY_ROOT_DIR}"/TRANSL && cp -af ./* "$PKG_DIR"/ )
		( cd "${INSTALLSENTRY_ROOT_DIR}"/TRANSL && mv * ../ 2> /dev/null )
		# then remove the TRANSL directory
		( cd "${INSTALLSENTRY_ROOT_DIR}" && rm -rf TRANSL )
		echo $BLUE"Safe content creation - "$GREEN"Successful!"$NORMAL
	else
		echo $RED"FATAL! "$NORMAL"Running '$INSTALL_COMMAND $INSTALL_RULE' has failed with error: $? "
		echo "Try using INSTALL_LINE 'make -i install'  "$RED"Exiting..."$NORMAL
		FAILED="make_install in: $FUNCNAME"
	fi
else
	
	# make install itself returned a possible  error
	# try to do a generic installation
	unset INSTW_ROOTPATH
	unset LD_PRELOAD
	
	# libsentry tracks the writing of its' own logfile so a 'shadow' directory of
	# the current working directory gets created which must be removed
	# *Carefully* remove the shadow CWD from the INSTALLSENTRY_ROOT_DIR
	SHADOW_CWD="${CWD:1}"
	SHADOW_CWD_BASE="${SHADOW_CWD%%/*}"
	( cd "$INSTALLSENTRY_ROOT_DIR"/TRANSL && rm -rf "$SHADOW_CWD_BASE" )
	# also remove the META directory
	( cd "$INSTALLSENTRY_ROOT_DIR" && rm -rf META )
	
	if [[ $(find "${INSTALLSENTRY_ROOT_DIR}"/TRANSL -type f) != "" ]] ; then
		echo $CYAN"Notice - "$NORMAL"Possible error running '$INSTALL_LINE'"
		echo "         This is probably a false error since files have been installed."
		echo "         But you should check the package content just to be sure."
		# echo "Must have been a false error as files were found."
		#( cd "${INSTALLSENTRY_ROOT_DIR}"/TRANSL && mv ./* .. )
		#( cd "${INSTALLSENTRY_ROOT_DIR}"/TRANSL && cp -af ./* "$PKG_DIR"/ )
		( cd "${INSTALLSENTRY_ROOT_DIR}"/TRANSL && mv * ../ 2> /dev/null )
		( cd "${INSTALLSENTRY_ROOT_DIR}" && rm -rf TRANSL )
	elif [[ -x "$OBJ_DIR"/$NAME ]] || [[ -x "$OBJ_DIR"/$ORIG_NAME ]] && [[ $keyfile != "setup.py" ]] ; then
		echo $CYAN"Notice - "$NORMAL"Running '$INSTALL_LINE' has failed."
		echo "But, there seems to be a matching executable in the SRC_DIR."
		echo $BLUE"Doing generic install - "$NORMAL
		mkdir -p "$PKG_DIR"/$PRE_FIX/bin
		[[ -x "$OBJ_DIR"/$NAME ]] && cp -a "$OBJ_DIR"/$NAME "$PKG_DIR"/$PRE_FIX/bin
		[[ -x "$OBJ_DIR"/$ORIG_NAME ]] && cp -a "$OBJ_DIR"/$ORIG_NAME "$PKG_DIR"/$PRE_FIX/bin
		if [[ -e "$OBJ_DIR"/$NAME.1 ]] || [[ -e "$OBJ_DIR"/$NAME.man ]] ; then
			echo $BLUE"Found man-page - "$NORMAL"Copying into PKG_DIR"
			mkdir -p "$PKG_DIR"/usr/man/man1
			[[ -e "$OBJ_DIR"/$NAME.1 ]] && cp -a "$OBJ_DIR"/$NAME.1 "$PKG_DIR"/usr/man/man1/$NAME.1
			[[ -e "$OBJ_DIR"/$NAME.man ]] && cp -a "$OBJ_DIR"/$NAME.man "$PKG_DIR"/usr/man/man1/$NAME.1
		fi
	else
		echo $RED"FATAL! "$NORMAL"Running '$INSTALL_LINE' has failed with error: $? "
		echo "Try using INSTALL_LINE 'make -i install'  "$RED"Exiting..."$NORMAL
		FAILED="make_install in: $FUNCNAME"
	fi
fi
}