# This file is part of the src2pkg program:
# Copyright 2005-2008 Gilbert Ashley <amigo@ibilio.org>
# src2pkg is released under the GNU General Public License Version 2

# Each routine that writes lines to the doinst.sh should add a blank line afterwards, but not before

## make_doinst
make_doinst() {
if [[ "$FAILED" = "" ]] ; then
	# If a doinst.sh is present, assume that it is final and copy as-is into the PKG_DIR
	if [[ -e $CWD/doinst.sh ]] ; then
	 echo $BLUE"Found doinst.sh - "$NORMAL"Inserting in the package directory"
	 cat $CWD/doinst.sh > $PKG_DIR/install/doinst.sh
	elif [[ -e $CWD/doinst.sh.gz ]] ; then
	 echo $BLUE"Found doinst.sh.gz - "$NORMAL"Decompressing in the package directory"
	 zcat $CWD/doinst.sh.gz > $PKG_DIR/install/doinst.sh
	else
		if ! [[ $MAKE_LINKS = "NO" ]] ; then
		 make_doinst_links
		fi
		if [[ -e $CWD/doinst.prepend ]] ; then
		 echo $BLUE"Found doinst.prepend - "$NORMAL"Starting a new doinst.sh with its' contents"
		 cat $CWD/doinst.prepend > $PKG_DIR/install/doinst.sh
		 echo "" >> $PKG_DIR/install/doinst.sh
		fi
		if [[ -e $CWD/doinst.links ]] ; then
		 echo $BLUE"Adding links to doinst.sh - "$NORMAL"Adding links-creation to the doinst.sh"
		 cat $CWD/doinst.links >> $PKG_DIR/install/doinst.sh
		 rm -f $CWD/doinst.links
		fi
		
		# check to see if any files are installed to PKG_DIR/etc
		if [[ -d $PKG_DIR/etc ]] ; then
			for conf in $(find $PKG_DIR/etc -type f) ; do
			[[ "${conf: -4}" = ".new" ]] && continue
			mv $conf $conf.new
			done
			if [[ $(find $PKG_DIR/etc -type f) != "" ]] ; then
				if [[ $(grep 'config()' $PKG_DIR/install/doinst.sh 2> /dev/null) = "" ]] ; then
					echo $BLUE"Found conf files - "$NORMAL"Adding '.new' file routine to doinst.sh"
					echo '' >> $PKG_DIR/install/doinst.sh
					echo 'config() {' >> $PKG_DIR/install/doinst.sh
					echo ' NEW="$1"' >> $PKG_DIR/install/doinst.sh
					echo ' OLD="$(dirname $NEW)/$(basename $NEW .new)"' >> $PKG_DIR/install/doinst.sh
					echo ' if [ ! -r $OLD ] ; then' >> $PKG_DIR/install/doinst.sh
					echo '  mv $NEW $OLD' >> $PKG_DIR/install/doinst.sh
					echo '  echo ""' >> $PKG_DIR/install/doinst.sh
					echo '  echo "  --> Installed new configuration file $OLD"' >> $PKG_DIR/install/doinst.sh
					echo ' elif [ "$(cat $OLD | md5sum)" = "$(cat $NEW | md5sum)" ] ; then' >> $PKG_DIR/install/doinst.sh
					echo '  rm $NEW' >> $PKG_DIR/install/doinst.sh
					echo ' else' >> $PKG_DIR/install/doinst.sh
					echo '  echo ""' >> $PKG_DIR/install/doinst.sh
					echo '  echo "  --> Installed new configuration file $NEW"' >> $PKG_DIR/install/doinst.sh
					echo '  echo "  --> Preserving your old configuration file $OLD"' >> $PKG_DIR/install/doinst.sh
					echo '  echo ""' >> $PKG_DIR/install/doinst.sh
					echo '  echo "  Please examine your existing configuration file: $OLD"' >> $PKG_DIR/install/doinst.sh
					echo '  echo "  to see if it needs to be updated from: $NEW"' >> $PKG_DIR/install/doinst.sh
					echo '  echo ""' >> $PKG_DIR/install/doinst.sh
					echo ' fi' >> $PKG_DIR/install/doinst.sh
					echo '}' >> $PKG_DIR/install/doinst.sh
					echo '' >> $PKG_DIR/install/doinst.sh
					cd $PKG_DIR/etc ;
					for conf in $(find . -type f) ; do
						conf=${conf:2}
						echo "config etc/$conf" >> $PKG_DIR/install/doinst.sh
					done
					echo '' >> $PKG_DIR/install/doinst.sh
				fi
			fi
		fi
		
		if [[ -e $PKG_DIR/etc/rc.d/rc.$NAME.new ]] ; then
			echo $BLUE"Found rc.d init file - "$NORMAL"Adding rc.local routine to doinst.sh"
			add_to_rc_local
		fi
		
		# check if we need to add code to handle info pages
		if [[ -d $PKG_DIR/usr/info ]] && [[ ! $(grep install-info $PKG_DIR/install/doinst.sh &> /dev/null) ]] ; then
		  echo $BLUE"Found info files - "$NORMAL"Adding install-info command to doinst.sh"
		  INFO_LIST=$(ls -1 $PKG_DIR/usr/info)
		  echo "" >> $PKG_DIR/install/doinst.sh
		  echo "if [ -x /usr/bin/install-info ] ; then" >> $PKG_DIR/install/doinst.sh
			for page in $(echo $INFO_LIST) ; do
			 echo " /usr/bin/install-info --info-dir=/usr/info /usr/info/$page 2>/dev/null" >> $PKG_DIR/install/doinst.sh
			done
		  echo "fi" >> $PKG_DIR/install/doinst.sh
		  echo "" >> $PKG_DIR/install/doinst.sh
		fi
		
		# check to see if any *.desktop files are installed.
		if [[ -d $PKG_DIR/usr/share/applications ]] ; then
			if [[ $(find $PKG_DIR/usr/share/applications -type f) != "" ]] ; then
				if [[ "$(grep update-desktop-database $PKG_DIR/install/doinst.sh 2> /dev/null)" = "" ]] ; then
					echo $BLUE"Found .desktop files - "$NORMAL"Adding '.desktop' file routine to doinst.sh"
					echo '' >> $PKG_DIR/install/doinst.sh
					echo '# update the applications menu database' >> $PKG_DIR/install/doinst.sh
					echo 'if [ -x /usr/bin/update-desktop-database ] ; then' >> $PKG_DIR/install/doinst.sh
					echo ' /usr/bin/update-desktop-database /usr/share/applications >/dev/null' >> $PKG_DIR/install/doinst.sh
					echo 'fi' >> $PKG_DIR/install/doinst.sh
					echo '' >> $PKG_DIR/install/doinst.sh
				fi
			fi
		fi
		
		# add the code from doinst.append, if present
		if [[ -e $CWD/doinst.append ]] ; then
		 echo $BLUE"Found doinst.append - "$NORMAL"Adding its' contents to doinst.sh"
		 cat $CWD/doinst.append >> $PKG_DIR/install/doinst.sh
		 echo "" >> $PKG_DIR/install/doinst.sh
		fi
		
		# if not running trackinstall or src2pkg without auto-scripting enabled copy the new doinst.sh into the CWD
		if [[ "$EXEC_NAME" = "trackinstall" ]] && [[ ! $AUTO_SCRIPT ]] ; then
		 true
		elif [ -e $PKG_DIR/install/doinst.sh ] ; then
		 echo $BLUE"Copying new doinst.sh - "$NORMAL"Copying as new.doinst.sh into the current directory"
		 echo "Be sure to check it. For permanent use, edit and/or rename to doinst.sh"
		 cat $PKG_DIR/install/doinst.sh > $CWD/new.doinst.sh
		fi
	fi
	# Remove symbolic links
	if ! [[ $REMOVE_LINKS = "NO" ]] ; then
		cd $PKG_DIR ;
		if [[ $(find . -type l) != "" ]] ; then
		 echo $BLUE"Deleting symbolic links - "$NORMAL"Removing links from the package directory"
		 find . -type l -exec rm -f {} \;
		fi
	fi
	# this will overwrite any slack_required file which was generated by make_description
	if [[ -f $CWD/$PKG_REQUIRED ]] && [[ ! -f $PKG_DIR/install/$PKG_REQUIRED ]] ; then
	 cat $CWD/$PKG_REQUIRED > $PKG_DIR/install/$PKG_REQUIRED
	fi
	if [[ $SHOW_DEPS ]] ; then
	 cd $PKG_DIR ;
	 if [[ "$(find . | xargs file | grep ELF | cut -f 1 -d : | xargs ldd 2> /dev/null | white_out | cut -f1 -d' ')" != "" ]] ; then
	  echo $BLUE"Package dependencies:"$NORMAL
	  find . | xargs file | grep ELF | cut -f 1 -d : | xargs ldd | white_out | cut -f1 -d' ' |grep -v "./" |sort -u
	 fi
	fi
fi
}

# make_link_script
make_install_script() {
  COUNT=1
  LINE="$(sed -n "$COUNT p" $1)"
  while [ ! "$LINE" = "" ]; do
   LINKGOESIN="$(echo "$LINE" | cut -f 1 -d " ")" 
   LINKGOESIN="$(dirname $LINKGOESIN)" 
   LINKNAMEIS="$(echo "$LINE" | cut -f 1 -d ' ')"
   LINKNAMEIS="$(basename "$LINKNAMEIS")"
   LINKPOINTSTO="$(echo "$LINE" | cut -f 3 -d ' ')"
   echo "( cd $LINKGOESIN ; rm -rf $LINKNAMEIS )"
   echo "( cd $LINKGOESIN ; ln -sf $LINKPOINTSTO $LINKNAMEIS )"
   COUNT=$(expr $COUNT + 1)
   LINE="$(sed -n "$COUNT p" $1)"
  done
}

#search for links and make link creation script if necessary
make_doinst_links() {
cd $PKG_DIR ;
TMP=/tmp
echo -n $BLUE"Searching for links in PKG_DIR - "$NORMAL
INST=$(mktemp $TMP/src2pkg.XXXXXX)
# This requires the ls from coreutils-5.0 (or newer):
find . -type l -exec ls -l --time-style=long-iso {} \; | white_out | cut -f 8- -d ' ' | cut -b3- | tee $INST 1> /dev/null
if [ ! "$(cat $INST)" = "" ]; then
  echo $GREEN"Done"$NORMAL
  make_install_script $INST | tee $CWD/doinst.links 1> /dev/null
else
 echo "None found"
fi
rm -f $INST
}

# Add a routine to etc/rc.d/rc.local for an init script in etc/rc.d
# really tricky syntax with escapes, double and single quotes
# since this function writes a script which writes a script...
add_to_rc_local() {
if [[ ! $(grep rc.local $PKG_DIR/install/doinst.sh  &> /dev/nul) ]] && \
	[[ ! $(grep rc.local $CWD/doinst.append &> /dev/null) ]] ; then
 #echo "" >> $PKG_DIR/install/doinst.sh
 echo "if  [ \"\$(grep rc.$NAME /etc/rc.d/rc.local |grep -v '^#')\" = \"\" ] ; then" >> $PKG_DIR/install/doinst.sh
 #echo '	echo ""' >> $PKG_DIR/install/doinst.sh
 echo "	echo \"  --> Adding an entry to /etc/rc.d/rc.local for /etc/rc.d/rc.$NAME\"" >> $PKG_DIR/install/doinst.sh
 echo "	echo \"\"" >> $PKG_DIR/install/doinst.sh
 #echo "	echo \"\" >> /etc/rc.d/rc.local" >> $PKG_DIR/install/doinst.sh
 echo "	echo \"# Start $NAME service\" >> /etc/rc.d/rc.local" >> $PKG_DIR/install/doinst.sh
 echo "	echo \"if [ -x /etc/rc.d/rc.$NAME ] ; then\" >> /etc/rc.d/rc.local" >> $PKG_DIR/install/doinst.sh
 echo "	echo \"  . /etc/rc.d/rc.$NAME start\" >> /etc/rc.d/rc.local" >> $PKG_DIR/install/doinst.sh
 echo "	echo \"fi\" >> /etc/rc.d/rc.local" >> $PKG_DIR/install/doinst.sh
 echo "	echo \"\" >> /etc/rc.d/rc.local" >> $PKG_DIR/install/doinst.sh
 echo "fi" >> $PKG_DIR/install/doinst.sh
 echo "" >> $PKG_DIR/install/doinst.sh
fi
}