#!/bin/bash
# /usr/bin/trackinstall
# This file is part of the src2pkg program:
# Copyright 2005-2009 Gilbert Ashley <amigo@ibilio.org>
# src2pkg is released under the GNU General Public License Version 2

TRACKINSTALL_VERSION="1.9.8"
CWD="$(pwd)"
cd "$CWD" && CWD="$(pwd)"
TRACK_INSTALL=1

show_usage() {
echo ""
echo " $(basename $0) - Build an installable package from pre-compiled sources"
echo "		or from other content in the current directory."
echo ""
echo " $(basename $0) -[ABCHINPSV(VV)W] -[abdinpv]"
echo ""
echo "  The following User Options take no argument:"
echo " -A	Auto-generate a TrackBuild script if successful."
echo " -B	Backup any files overwritten by this installation."
echo " -I	Install the created package when finished."
echo " -C	Place final package in the current directory."
echo " -H	Place final package in your home directory."
echo " -N	New TrackBuild script and slack-desc file only."
echo " -P	Preserve permissions in the source directory."
echo " -Q	Query the user interactively during configuration and package creation"
echo " -S	Run special install commands - 'sh install.sh' by default"
echo " -V	DEBUG -show detailed prompts for debugging."
echo " -VV	Be verbose. Show all output from the steps."
echo " -W	Wipe up -cleanup temporary files when finished."
echo "  The following Build Options require an argument separated by the '=' sign:"
echo "  Use single quotes '' around the arguments if they contain spaces."
echo " -a	Set the architecture of the package (--arch)[-a=noarch]."
echo " -b	Set the package build/release number (--build)[-b=4]."
echo " -d	Specify the included documents (-doclist)[-d='README foo.HOWTO AUTHORS']."
echo " -i	Set the install command line (--install)[-i='make install']."
echo " -n	Set alternate name for the package and (--alt-name)[-n=newname]"
echo " -p	(--pre_fix,--prefix) Set the package installation prefix. [-p=/usr/local]"
echo " -v	Set alternate version for the package (--alt-version)[-v=0.0.0a]."
echo " Special Options:"
echo " -h	  (--help) Show this help page and exit."
echo " -hh	  (--more-help) Show extended options and examples, then exit."
echo " --version  Show the trackinstall version number and exit."
echo " --list     Show a list of the trackinstall instruction functions."
echo ""
echo " Examples:"
echo " trackinstall -C -W"
echo "   Place final package in the current directory and delete temporary files."
echo " trackinstall -b=2"
echo "   Set the BUILD number to '2'."
echo " trackinstall -i='make install install_data'"
echo "   install with 'make install install_data (same as running 'make install' and 'make install_data')"
echo " trackinstall -P -S -i='bash ./install.script'"
echo "   Preserve permissions and use 'bash ./install.script' instead of 'make install'"
echo ""
echo "  For more usage help, run 'trackinstall -hh', 'man trackinstall' or see the documentation."
}

show_more_help() {
echo ""
echo " Advanced options for creating small non-standard packages :-)"
echo " -JAIL	Run installation in a 'jailed' root directory."
echo " -REAL	Run installation in the real root filesystem using backup."
echo " -DEST	Run installation using the DESTDIR variable, when available."
echo " -UNION	Run installation using a unionfs/chroot, if available."
echo " --pause=?? (before|after) Pause before or after running each function."
echo " --resume=??  Resume a build starting at the named instrcution function."
echo " -E	Use extended database files (slack-required and slack-supplies)"
echo " -L	Delete extra language files (man-pages, locale and i18n) files."
echo "		Be sure to configure /etc/src2pkg/DONT_PURGE.locales file first."
echo " -TGZ	Use gzip to compress the final package (this is the default)."
echo " -TBZ	Use bzip2 instead of gzip to compress the final package."
echo " -TLZ	Use lzma instead of gzip to compress the final package."
echo " -TXZ	Use xz (lzma-2) instead of gzip to compress the final package."
echo " -UPX	Use upx-ucl or upx to compress binaries inside the package."
echo " -EPX	Use exepak to compress binaries inside the package."
echo " -Z?	SAVE_SPACE=? Squeeze packages by using more compression:"
echo "   	The 'Z' options are cumulative - Z4 does all of Z1, Z2 and Z3."
echo " -Z1	Z1 uses bzip2 instead of gzip for man-pages."
echo " -Z2	Z2 creates a bzipped tar archive of the package doc directory."
echo " -Z3	Z3 compresses ELF binaries using upx or upx-ucl if present"
echo " -Z4	Z4 Link to a common copy of the GPL in /usr/share/licences."
}

FUNCTION_LIST="
fix_pkg_perms
strip_bins
create_docs
compress_man_pages
make_description
make_doinst
make_package
"
list_functions() {
for FUNCTION in $FUNCTION_LIST ; do
echo $FUNCTION
done
echo "* Note that pre_process and post_process are left out of the list."
echo "* And, trackinstall only uses some of the available src2pkg functions."
exit 0
}

NAMVERS=$(basename "$CWD")
VERSION=$(echo "$NAMVERS" | rev | cut -f1 -d"-" | rev)
NAME=$(echo "$NAMVERS" | rev | cut -f2,3,4 -d"-" | rev)

# . /usr/libexec/src2pkg/FUNCTIONS

if ! [[ -z $1 ]] ; then
	if [ "$1" = "-h" -o "$1" = "--help" ] ; then
	 show_usage
	 exit 0
	fi
	if [[ "$1" = "--version" ]] ; then
	 echo "trackinstall version-$TRACKINSTALL_VERSION"
	 exit 0
	fi
	if [[ $1 = "--more-help" ]] | [[ $1 = "-hh" ]] ; then
	 show_more_help
	 exit 0
	fi
	for word in "$@" ; do
	 case $word in
		-A) AUTO_SCRIPT=1 ; shift ;;
		-B) KEEP_BACKUPS="YES" ; shift ;;
		-I) REALLY_INSTALL="YES" ;;
		-C) PKG_DEST_DIR="$CWD" ; shift ;;
		-DESTDIR) INSTALL_TYPE="DESTDIR" ; shift ;;
		-E) EXTENDED_DATABASE="YES" ; shift ;;
		-EPX) COMPRESS_BINS="YES" ; BIN_COMPRESSOR="exepak" ; shift ;;
		-H) PKG_DEST_DIR="$HOME" ; shift ;;
		-JAIL) INSTALL_TYPE="JAIL" ; shift ;;
		-L)  PURGE_LOCALES="YES" ; shift ;;
		-N) NEW_BUILD=1 ; shift ;;
		-P) CORRECT_PERMS="NO" ; shift ;;
		-Q) INTERACTIVE_MODE="ALL" ; shift ;;
		-REAL) INSTALL_TYPE="REAL" ; shift ;;
		-S) SHELL_INSTALL=1 ; shift ;;
		-TBZ) PKG_FORMAT="tbz" ; shift ;;
		-TGZ) PKG_FORMAT="tgz" ; shift ;;
		-TLZ) PKG_FORMAT="tlz" ; shift ;;
		-TXZ) PKG_FORMAT="txz" ; shift ;;
		-UNION) INSTALL_TYPE=UNION ; shift ;;
		-UPX) COMPRESS_BINS="YES" ; shift ;;
		-V) DEBUG=1 ; shift ;;
		-VV) QUIET="NO" ; shift ;;
		-W|--cleanup) CLEANUP="PKG" ; shift ;;
		-Z1) SAVE_SPACE=1 ; shift ;;
		-Z2) SAVE_SPACE=2 ; shift ;;
		-Z3) SAVE_SPACE=3 ; shift ;;
		-Z4) SAVE_SPACE=4 ; shift ;;
		--list) list_functions ;;
		--resume=*) RESUME=$(echo $option |cut -f2 -d'=') ;
					if ! [[ $(echo $FUNCTION_LIST |grep $RESUME) ]] ; then
						echo "'$RESUME' is not a valid function name."
						echo "Run 'src2pkg --list' to see the list of functions."
						exit 0
					else
						shift
					fi ;;
		--pause=*) PAUSE=$(echo $option |cut -f2 -d'=') ;
					if [[ $PAUSE = "before" ]] ; then
						PAUSE=BEFORE ; shift
					elif [[ $PAUSE = "after" ]] ; then
						PAUSE=AFTER ; shift
					else
						echo "Invalid use of '--pause=??' option."
						echo "Usage: '--pause=before', or: '--pause=after'"
						exit 0
					fi ;;
		-a=*|--arch=*) ARCH=$(echo $word |cut -f2 -d'=') ; shift ;;
		-b=*|--build=*) BUILD=$(echo $word |cut -f2 -d'=') ; shift ;;
		-d=*|--doclist=*) DOCLIST=$(echo $word |cut -f2 -d'=') ; shift ;;
		-i=*|--install_line=*) INSTALL_LINE=$(echo $word |cut -f2- -d'=') ; shift ;;
		-n=*|--alt_name=*) ALT_NAME=$(echo $word |cut -f2 -d'=') ; shift ;;
		-p=*|--pre_fix=*|--prefix=*) PRE_FIX=$(echo $option |cut -f2 -d'=') ; shift ;;
		-v=*|--alt_version=*) ALT_VERSION=$(echo $word |cut -f2 -d'=') ; shift ;;
		*)
			echo "Ignoring unrecognized option: $word" ; sleep 2 ;;
	 esac
	done
fi

. /usr/libexec/src2pkg/FUNCTIONS
pre_process

if ! [[ $NEW_BUILD ]] ; then
	make_dirs
	fake_install
	fix_pkg_perms
	strip_bins
	create_docs
	compress_man_pages
	make_description
	make_doinst
	make_package
	post_process
	if [[ $FAILED = "" ]] ; then
	 true
	 else
	 echo $RED"FAILED!! "$NORMAL"Creation of package $PKG_NAME has failed."
	fi
	if [[ $FAILED = "CANCELLED" ]] ; then
	 echo "Operation cancelled by user. "$RED"Exiting!"$NORMAL
	 exit
	elif [[ $FAILED != "" ]] ; then
	 echo $(basename "$0") $RED"ERROR "$NORMAL"in $FAILED"
	 exit
	fi
fi
# 3 write the script
if [[ $AUTO_SCRIPT ]] || [[ $NEW_BUILD ]]; then
	echo -n $CYAN"NOTICE- "$NORMAL"Writing build script: $NAME.TrackBuild for you... "
	# TrackBuild
	echo "#!/bin/bash" > "$CWD"/$NAME.TrackBuild
	echo "## TrackBuild script for: 	$NAME" >> "$CWD"/$NAME.TrackBuild
	echo "## Auto-generated by 'trackinstall-$TRACKINSTALL_VERSION'" >> "$CWD"/$NAME.TrackBuild
	echo "## trackinstall Copyright 2005-2008 Gilbert Ashley <amigo@ibilio.org>" >> "$CWD"/$NAME.TrackBuild
	echo "## Full package name: $SHORT_NAME.tgz" >> "$CWD"/$NAME.TrackBuild
	echo "" >> "$CWD"/$NAME.TrackBuild
	echo "NAME='$NAME'" >> "$CWD"/$NAME.TrackBuild
	echo "VERSION='$VERSION'" >> "$CWD"/$NAME.TrackBuild
	echo "ARCH='$ARCH'" >> "$CWD"/$NAME.TrackBuild
	echo "BUILD='$BUILD'" >> "$CWD"/$NAME.TrackBuild
	echo "TRACK_INSTALL='YES'" >> "$CWD"/$NAME.TrackBuild
	[[ $SHELL_INSTALL ]] && echo "SHELL_INSTALL='YES'" >> "$CWD"/$NAME.TrackBuild
	echo "PRE_FIX='$PRE_FIX'" >> "$CWD"/$NAME.TrackBuild
	echo "" >> "$CWD"/$NAME.TrackBuild
	echo "# Any extra options go here:" >> "$CWD"/$NAME.TrackBuild
	! [[ "$INSTALL_LINE" = "" ]] && echo "INSTALL_LINE='$INSTALL_LINE'" >> "$CWD"/$NAME.TrackBuild
	! [[ "$DOCLIST" = "" ]] && echo "DOCLIST='$DOCLIST'" >> "$CWD"/$NAME.TrackBuild
	[[ "$CORRECT_PERMS" = "NO" ]] && echo "CORRECT_PERMS='NO'" >> "$CWD"/$NAME.TrackBuild
	echo "" >> "$CWD"/$NAME.TrackBuild
	echo "# Read in the config file and functions:" >> "$CWD"/$NAME.TrackBuild
	echo ". /usr/libexec/src2pkg/FUNCTIONS ;" >> "$CWD"/$NAME.TrackBuild
	echo "" >> "$CWD"/$NAME.TrackBuild
	echo "# do_track_install can substitute the following functions:" >> "$CWD"/$NAME.TrackBuild
	echo "" >> "$CWD"/$NAME.TrackBuild
	cat >> "$CWD"/$NAME.TrackBuild << EOF
pre_process
make_dirs
fake_install
fix_pkg_perms
strip_bins
create_docs
compress_man_pages
make_description
make_doinst
make_package
post_process
EOF

	echo "" >> "$CWD"/$NAME.TrackBuild
	echo "# src2pkg and trackinstall - Copyright 2005-2009  Gilbert Ashley <amigo@ibiblio.org>" >> "$CWD"/$NAME.TrackBuild
	echo "# See /usr/doc/src2pkg-x.x.x, run 'man trackinstall' or 'trackinstall --help' for help. Below" >> "$CWD"/$NAME.TrackBuild
	echo "# are some common trackinstall options for easy cut-and-paste use if you need them." >> "$CWD"/$NAME.TrackBuild
	echo "# INSTALL_LINE ='' PRE_FIX='' DOCLIST=''" >> "$CWD"/$NAME.TrackBuild
	echo "# SHELL_INSTALL='YES' CORRECT_PERMS='NO'" >> "$CWD"/$NAME.TrackBuild
	echo "# When editing this script to add custom code, use these variables" >> "$CWD"/$NAME.TrackBuild
	echo "# to refer to the current directory, the sources or the package tree:" >> "$CWD"/$NAME.TrackBuild
	echo "# \$CWD (current directory), \$SRC_DIR (sources), \$PKG_DIR (package tree)" >> "$CWD"/$NAME.TrackBuild
	echo $GREEN"DONE!"$NORMAL
fi #3
if [[ $NEW_BUILD ]] ; then
  echo $BLUE"Creating new.slack-desc file. "$NORMAL"Edit, if needed and rename to slack-desc for use."
  cat > "$CWD"/new.slack-desc << END 
$NAME: $NAME
$NAME:
$NAME: No description was given for this package.
$NAME:
$NAME:
$NAME:
$NAME:
$NAME:
$NAME:
$NAME:
$NAME: $BLURB_11
END

fi

exit 0