#!/bin/bash
# src2pkg Copyright 2005-2008 Gilbert Ashley <amigo@ibiblio.org>
! [[ $CWD ]] && CWD=$(pwd) && export CWD
SRC2PKG_VERSION="1.9.5"

# ANSI COLORS
CRE=""
NORMAL=""
# RED: Failure or error message
RED=""
# GREEN: Success message
GREEN=""
# YELLOW: Warnings
YELLOW=""
# BLUE: Summary messages
BLUE=""
# CYAN: Current Process
CYAN=""

show_usage() {
echo ""
echo " $(basename $0) - Build an installable package from a source tarball or other content."
echo " $(basename $0) [User Options] [Build Options]  file-name"
echo " $(basename $0) [-h,--help,--version, --setup]"
echo " $(basename $0) -[ABCDHINOPQRTUV(VV)WX] -[DEST,REAL,JAIL][abcdefimnpsuv] file-name"
echo ""
echo "  The following User Options take no argument:"
echo " -A	Autogenerate a src2pkg script if the build succeeds."
echo " -B	Keep backups of any files overwritten by this installation."
echo " -C	Place finished package in Current directory."
echo " -D	Don't apply diff or patch files automatically (AUTO_PATCH=NO)"
echo " -H	Place finished package in your HOME directory."
echo " -I	Install the created package when finished."
echo " -N	Generate a starting src2pkg script and description file only."
echo " -O	Compile sources in a separate 'clean' directory. (USE_OBJ_DIR=YES)"
echo " -P	Preserve permissions in the source directory. (CORRECT_PERMS=NO)"
echo " -Q	Query the user interactively during configuration and package creation."
echo " -R	Replay errors if configuration or compilation fail."
echo " -T	Test-build the source code without installing or making a package."
echo " -U	Update the build script for compatibility if needed."
echo " -V	Show detailed prompts for debugging. (DEBUG)"
echo " -VV	Be verbose. Show all output from the steps."
echo " -W	(--cleanup) Delete (wipe out) temporary build files.(CLEANUP=ALL)"
echo " -X	Execute a build script in the current working directory."
echo " -JAIL	Run installation in a 'jailed' root directory (default)."
echo " -REAL	Run installation in the real root filesystem using backup."
echo " -DEST	(-DESTDIR) Run installation using the DESTDIR variable, when available."
echo " --setup	This option compiles the binaries and libraries needed by src2pkg."
echo ""
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	(--arch) Set the architecture of the package. [-a=noarch]"
echo " -b	(--build) Set the build or release number. [-b=2]"
echo " -c	(--config_command) Set the CONFIG_COMMAND option. [-c='./configure Linux']"
echo " -d	(--doclist) List of documents to include. [-d='README AUTHORS']"
echo " -e	(--extra_configs) Extra arguments to configure. [-e='--with-gnu-ld']"
echo " -f	(--std_flags) Set the CFLAGS variable. [-f='-Wall -O3']"
echo " -i	(--install_line) Set the install command line.[-i='make install']"
echo " -m	(--make_command) Set the 'make' command. [-m='make dep all']"
echo " -n	(--alt_name) Set the package name [-n='newname'] (ALT_NAME)."
echo " -p	(--pre_fix,--prefix) Set the package installation prefix. [-p=/usr]"
echo " -s	(--config_subdir) Set the configuration subdir. [-s=src]"
echo " -u	(--source_url) URL location of the source tarball [-u=http://xxx]"
echo " -v	(--alt_version) Set the version of the package. [-v=0.0.0a]"
echo ""
echo " Examples:"
echo " src2pkg myprogram-0.1.tar.bz2"
echo " src2pkg -N myprogram-0.1.tar.bz2"
echo " src2pkg -i='make install install-data' -A myprogram-0.1.tar.bz2"
echo " src2pkg -e='--disable-nls' -i='make install install-data' -A myprogram-0.1.tar.bz2"
echo ""
}

if [[ -z $1 ]] ; then
	show_usage
	echo "Please give the path or URL to an archive, or give other valid argument."
	exit 0
else
	if [[ $1 = "-h" ]] || [[ $1 = "--help" ]] ; then
	show_usage
	exit 0
	fi
	if [[ $1 = "--version" ]] ; then
	echo "src2pkg version-$SRC2PKG_VERSION"
	exit 0
	fi
	if [[ $1 = "--setup" ]] ; then
		if [[ $EUID -eq 0 ]] ; then
			cd /usr/src/src2pkg/src2pkg ;
			. ./src2pkg.setup
			exit 0
		else
			echo $RED"FAILED! "$NORMAL" You must be logged in as user 'root' to setup src2pkg."
			exit 0
		fi
	fi
	for option in "$@" ; do
	  case $option in
		-A) AUTO_SCRIPT=1 ; shift ;;
		-B) KEEP_BACKUPS="YES" ; shift ;;
		-C) PKG_DEST_DIR=$CWD ; shift ;;
		-D) AUTO_PATCH="NO" ; shift ;;
		-DESTDIR|-DEST) INSTALL_TYPE="DESTDIR" ; shift ;;
		-H) PKG_DEST_DIR=$HOME ; shift ;;
		-I) REALLY_INSTALL="YES" ; shift ;;
		-JAIL) INSTALL_TYPE="JAIL" ; shift ;;
		-N) NEW_BUILD=1 ; shift ;;
		-O) USE_OBJ_DIR="YES" ; shift ;;
		-P) CORRECT_PERMS="NO" ; shift ;;
		-Q) INTERACTIVE_MODE="ALL" ; shift ;;
		-R) REPLAY_ERRORS="YES" ; shift ;;
		-REAL) INSTALL_TYPE="REAL" ; shift ;;
		-S) SHELL_INSTALL=1 ; shift ;;
		-T) TEST_BUILD=1 ; shift ;;
		-U) UPDATE_SCRIPT=1 ; shift ;;
		-V) DEBUG=1 SHOW_DEPS=1 ; shift ;;
		-VV) QUIET="NO" ; shift ;;
		-W|--cleanup) CLEANUP="ALL" ; shift ;;
		-X) RUN_SCRIPT=1 ; shift ;;
		-a=*|--arch=*) ARCH=$(echo $option |cut -f2 -d'=') ; shift ;;
		-b=*|--build=*) BUILD=$(echo $option |cut -f2 -d'=') ; shift ;;
		-c=*|--config_command=*) CONFIG_COMMAND=$(echo $option |cut -f2 -d'=') ;
					WRITE_CONFIG_COMMAND=1 ; shift ;;
		-d=*|--doclist=*) DOCLIST=$(echo $option |cut -f2 -d'=') ; shift ;;
		-e=*|--extra_configs=*) EXTRA_CONFIGS=$(echo $option |cut -f2- -d'=') ; shift ;;
		-f=*|--std_flags=*) STD_FLAGS=$(echo $option |cut -f2- -d'=') ;
					WRITE_FLAGS=1 ; shift ;;
		-i=*|--install_line=*) INSTALL_LINE=$(echo $option |cut -f2- -d'=') ; shift ;;
		-m=*|--make_command=*) MAKE_COMMAND=$(echo $option |cut -f2- -d'=') ; shift ;;
		-n=*|--alt_name=*) ALT_NAME=$(echo $option |cut -f2 -d'=') ; shift ;;
		-p=*|--pre_fix=*|--prefix=*) PRE_FIX=$(echo $option |cut -f2 -d'=') ; shift ;;
		-s=*|--config_subdir=*) CONFIG_SUBDIR=$(echo $option |cut -f2 -d '=') ; shift ;;
		-u=*|--source_url=*) SOURCE_URL=$(echo $option |cut -f2 -d '=') ; shift ;;
		-v=*|--alt_version=*) ALT_VERSION=$(echo $option |cut -f2 -d'=') ; shift ;;
		*.tbz)		EXT=tbz ;;
		*.tar.bz2)	EXT=tar.bz2 ;;
		*.tgz)		EXT=tgz ;;
		*.tar.gz)	EXT=tar.gz ;;
		*.deb)		EXT=deb ;;
		*.rpm)		EXT=rpm ;;
		*.src2pkg)	EXT=.src2pkg ;;
		*.src2pkg.auto)	EXT=.src2pkg.auto ;;
		*.PkgBuild) 	EXT=.PkgBuild ;;
		*.PkgBuild.auto) EXT=.PkgBuild.auto ;;
		*)	echo "Unrecognized option: $option" ; exit ;;
	  esac
	done
	
	if [[ "$1" != "" ]] ; then
		case $1 in
			*.src2pkg|*.src2pkg.auto|*.PkgBuild|*.PkgBuild.auto) SCRIPT="$1" ;;
			*) SOURCE="$1" ;;
		esac
	fi
	
	! [[ $SRC2PKG_LIBDIR ]] && SRC2PKG_LIBDIR=/usr/libexec/src2pkg
	. $SRC2PKG_LIBDIR/FUNCTIONS
	
	if [[ $SOURCE ]] || [[ $SOURCE_URL ]] ; then
		
		if [[ $NEW_BUILD ]] ; then
			pre_process
		elif [[ $TEST_BUILD ]] ; then
			pre_process
			find_source
			make_dirs
			unpack_source
			fix_source_perms
			configure_source
			compile_source
			if [[ $FAILED = "" ]] ; then
			 echo $BLUE"Test Compile - "$GREEN"Successful! "$NORMAL"for $NAME-$VERSION"
			 echo $CYAN"NOTICE- "$NORMAL"This doesn't necessarily mean a package can be made." 
			else
			 echo $RED"FAILED!! "$NORMAL"Test build of $NAME-$VERSION has failed."
			 exit
			fi
		else
			do_all_processes
			
			if [[ $FAILED != "" ]] ; then
			 # echo $(basename $0) $RED"ERROR "$NORMAL"in $FAILED"
			 #FAILED="TEST COMPILE"
			 exit
			fi
		fi
		
		if [[ $NEW_BUILD ]] || [ "$TEST_BUILD" -a "$AUTO_SCRIPT" ] && [[ ! -e $CWD/$PKG_DESC ]] ; then
		echo $BLUE"Creating new.$PKG_DESC file. "$NORMAL"Edit, if needed and rename to $PKG_DESC for use."
		
		cat /dev/null > $CWD/new.$PKG_DESC
		# Align the text formatting guide starting at ':' (plus one space)
		namelen=${#NAME}
		offset=$(( $namelen + 1 ))
		spaces=0
		echo -n '#' >> $CWD/new.$PKG_DESC
		while [[ $spaces -lt $offset ]] ; do
			echo -n ' ' >> $CWD/new.$PKG_DESC
			(( spaces++ ))
		done
		echo "|-------------Use this guide to format your text with--------------|" >> $CWD/new.$PKG_DESC
		
		cat >> $CWD/new.$PKG_DESC << END 
$NAME: $BLURB_1
$NAME: $BLURB_2
$NAME: $BLURB_3
$NAME: $BLURB_4
$NAME: $BLURB_5
$NAME: $BLURB_6
$NAME: $BLURB_7
$NAME: $BLURB_8
$NAME: $BLURB_9
$NAME: $BLURB_10
$NAME: $BLURB_11
END
		if [[ $BLURB_12 ]] ; then
		 echo $NAME: ${BLURB_12} >> $CWD/$NAME.src2pkg.auto
		fi
		if [[ $BLURB_13 ]] ; then
		 echo $NAME: ${BLURB_13} >> $CWD/$NAME.src2pkg.auto
		fi
		
		fi
		
		# write the script
		if [[ $AUTO_SCRIPT ]] || [[ $NEW_BUILD ]] ; then
			echo $BLUE"Writing build script - "$NORMAL"$NAME.src2pkg.auto in the current directory."
			# src2pkg.auto
			echo "#!/bin/bash" > $CWD/$NAME.src2pkg.auto
			echo "## src2pkg script for: 	$NAME" >> $CWD/$NAME.src2pkg.auto
			echo "## Auto-generated by src2pkg-$SRC2PKG_VERSION" >> $CWD/$NAME.src2pkg.auto
			echo "## src2pkg Copyright 2005-2008 Gilbert Ashley <amigo@ibilio.org>" >> $CWD/$NAME.src2pkg.auto
			#echo "## Full package name: $SHORT_NAME.tgz" >> $CWD/$NAME.src2pkg.auto
			echo "" >> $CWD/$NAME.src2pkg.auto
			if [[ $SOURCE_URL ]] ; then
			 echo "SOURCE_URL='$SOURCE_URL'" >> $CWD/$NAME.src2pkg.auto
			 echo "# SOURCE_NAME='$SOURCE_NAME'" >> $CWD/$NAME.src2pkg.auto
			elif [[ $SOURCE_NAME ]] ; then
			 echo "SOURCE_NAME='$SOURCE_NAME'" >> $CWD/$NAME.src2pkg.auto
			fi
			if [[ "$ALT_NAME" != "" ]] ;then
			  echo "ALT_NAME='$ALT_NAME'" >> $CWD/$NAME.src2pkg.auto
			else
			  echo "NAME='$NAME'" >> $CWD/$NAME.src2pkg.auto
			fi
			if [[ "$ALT_VERSION" != "" ]] ;then
			  echo "ALT_VERSION='$ALT_VERSION'" >> $CWD/$NAME.src2pkg.auto
			else
			  echo "VERSION='$VERSION'" >> $CWD/$NAME.src2pkg.auto
			fi
			[[ $SRC_SUFFIX ]] && echo "SRC_SUFFIX='$SRC_SUFFIX'" >> $CWD/$NAME.src2pkg.auto
			echo "# ARCH='$ARCH'" >> $CWD/$NAME.src2pkg.auto
			echo "BUILD='$BUILD'" >> $CWD/$NAME.src2pkg.auto
			echo "PRE_FIX='$PRE_FIX'" >> $CWD/$NAME.src2pkg.auto
			echo "# Any extra options go here" >> $CWD/$NAME.src2pkg.auto
			[[ "$STD_CONFIGS" != "" ]] && echo "STD_CONFIGS='$STD_CONFIGS'" >> $CWD/$NAME.src2pkg.auto
			[[ $WRITE_CONFIG_COMMAND ]] && echo "CONFIG_COMMAND='$CONFIG_COMMAND'" >> $CWD/$NAME.src2pkg.auto
			if [[ "$EXTRA_CONFIGS" != "" ]] ; then
			 echo "EXTRA_CONFIGS='${EXTRA_CONFIGS}'" >> $CWD/$NAME.src2pkg.auto
			else
			 echo "# EXTRA_CONFIGS='${EXTRA_CONFIGS}'" >> $CWD/$NAME.src2pkg.auto
			fi
			if [[ $WRITE_FLAGS ]] ; then
				echo "STD_FLAGS='$STD_FLAGS'" >> $CWD/$NAME.src2pkg.auto
			else
				echo "# STD_FLAGS='$STD_FLAGS'" >> $CWD/$NAME.src2pkg.auto
			fi
			
			[[ $NEW_BUILD ]] && get_patch_list
			[[ "$PATCHLIST" != "" ]] && echo "PATCHLIST='${PATCHLIST}'" >> $CWD/$NAME.src2pkg.auto
			[ "$MAKEFILE" != "" -a "$MAKEFILE" != "Makefile" ] && echo "MAKEFILE='$MAKEFILE'" >> $CWD/$NAME.src2pkg.auto
			[ "$MAKE_COMMAND" != "" -a "$MAKE_COMMAND" != "make" ] && echo "MAKE_COMMAND='$MAKE_COMMAND'" >> $CWD/$NAME.src2pkg.auto
			[ "$INSTALL_LINE" != "" -a "$INSTALL_LINE" != "make install" ] && echo "INSTALL_LINE='$INSTALL_LINE'" >> $CWD/$NAME.src2pkg.auto
			if [[ $FUNNY_SUBDIR ]] ; then
			 echo "CONFIG_SUBDIR='$FUNNY_SUBDIR'" >> $CWD/$NAME.src2pkg.auto
			elif [[ $CONFIG_SUBDIR ]] && [[ $NEW_BUILD ]] ; then
			 echo "CONFIG_SUBDIR='$CONFIG_SUBDIR'" >> $CWD/$NAME.src2pkg.auto
			fi
			[[ "$DOCLIST" ]] && echo "DOCLIST='$DOCLIST'" >> $CWD/$NAME.src2pkg.auto
			[[ "$USE_OBJ_DIR" = "YES" ]] && echo "USE_OBJ_DIR='YES'" >> $CWD/$NAME.src2pkg.auto
			[[ $AUTO_PATCH = "NO" ]] && echo "AUTO_PATCH='NO'" >> $CWD/$NAME.src2pkg.auto
			[[ $CORRECT_PERMS = "NO" ]] && echo "CORRECT_PERMS='NO'" >> $CWD/$NAME.src2pkg.auto
			[[ $EXTRA_SOURCES ]] && echo "EXTRA_SOURCES='$EXTRA_SOURCES'" >> $CWD/$NAME.src2pkg.auto
			echo "" >> $CWD/$NAME.src2pkg.auto
			echo "# Get the functions and configs" >> $CWD/$NAME.src2pkg.auto
			echo ". /usr/libexec/src2pkg/FUNCTIONS ;" >> $CWD/$NAME.src2pkg.auto
			echo "" >> $CWD/$NAME.src2pkg.auto
			echo "# do_all_processes can substitute these 16 steps:" >> $CWD/$NAME.src2pkg.auto
			echo "" >> $CWD/$NAME.src2pkg.auto
			cat >> $CWD/$NAME.src2pkg.auto << EOF
pre_process
find_source
make_dirs
unpack_source
fix_source_perms
configure_source
compile_source
fake_install
fix_pkg_perms
strip_bins
create_docs
compress_man_pages
make_description
make_doinst
make_package
post_process
EOF
			
			echo "" >> $CWD/$NAME.src2pkg.auto
			echo "# src2pkg - Copyright 2005-2008  Gilbert Ashley <amigo@ibiblio.org>" >> $CWD/$NAME.src2pkg.auto
			echo "## See the documentation for more help and examples. Below are some of" >> $CWD/$NAME.src2pkg.auto
			echo "# the most common Extras and Options for easy cut-and-paste use." >> $CWD/$NAME.src2pkg.auto
			echo "# EXTRA_CONFIGS='' PRE_FIX='' DOCLIST=''" >> $CWD/$NAME.src2pkg.auto
			echo "# MAKE_COMMAND='' INSTALL_LINE='' " >> $CWD/$NAME.src2pkg.auto
			echo "# SHELL_INSTALL='YES' CORRECT_PERMS='NO'" >> $CWD/$NAME.src2pkg.auto
			echo "# When editing src2pkg scripts to add custom code, use these variables" >> $CWD/$NAME.src2pkg.auto
			echo "# to refer to the current directory, the sources or the package tree:" >> $CWD/$NAME.src2pkg.auto
			echo "# \$CWD (current directory), \$SRC_DIR (sources), \$PKG_DIR (package tree)" >> $CWD/$NAME.src2pkg.auto
			# echo "" >> $CWD/$NAME.src2pkg.auto
		fi
	exit 0
	fi
	
	if [[ $UPDATE_SCRIPT ]] ; then
		if ! [[ $SCRIPT ]] ; then
			if [ -f $PWD/*.PkgBuild ] ; then
			 SCRIPT=$(ls *.PkgBuild -1 |head -n 1) EXT=.PkgBuild
			elif [ -f $PWD/*.PkgBuild.auto ] ; then
			 [[ SCRIPT = "" ]] && SCRIPT=$(ls *.PkgBuild.auto -1 |head -n 1) EXT=.PkgBuild.auto
			fi
			# [[ SCRIPT = "" ]] && SCRIPT=$(ls *.src2pkg)
			#[[ SCRIPT = "" ]] && SCRIPT=$(ls *.src2pkg.auto)
			if [[ SCRIPT = "" ]] ; then
			 echo "No src2pkg script found!"
			 exit 0
			fi
		fi
		if [[ $SCRIPT ]] ; then
		  echo -n $BLUE"Updating $SCRIPT - "$NORMAL
		  sed -e "s'Amigo PkgBuild'\src2pkg'" \
		      -e "s/2005-2006/2005-2007/" \
		      -e "s/2006-2007/2005-2007/" \
		      -e "s'PkgBuild'\src2pkg'" \
		      -e "s'pkgbuild'\src2pkg'" $SCRIPT > $SCRIPT.new
		  #
		  # mv -f $SCRIPT $SCRIPT.old
		  rm -f $SCRIPT
		  
		  SCRIPT_NAME=$(basename $SCRIPT $EXT)
		  if [[ $EXT = ".PkgBuild" ]] ; then
		   mv -f $SCRIPT.new $SCRIPT_NAME.src2pkg
		   SCRIPT=$SCRIPT_NAME.src2pkg
		  elif [[ $EXT = ".PkgBuild.auto" ]] ; then
		   mv -f $SCRIPT.new $SCRIPT_NAME.src2pkg.auto
		   SCRIPT=$SCRIPT_NAME.src2pkg.auto
		  else
		   mv -f $SCRIPT.new $SCRIPT
		  fi
		  echo $GREEN"DONE!"$NORMAL
		fi
	  
	fi
	
	if [[ -e $CWD/$(basename '$SCRIPT') ]] ; then
	  # this is probably not necessary anymore but doesn't hurt anything
	  export KEEP_BACKUPS PKG_DEST_DIR DEBUG REALLY_INSTALL REPLAY_ERRORS QUIET CLEANUP AUTO_PATCH CORRECT_PERMS SHOW_DEPS EXTRA_SOURCES USE_OBJ_DIR INTERACTIVE_MODE
	  . $CWD/$(basename '$SCRIPT')
	elif [[ $RUN_SCRIPT ]] ; then
	  if [[ $(ls -1 *.src2pkg 2> /dev/null) != "" ]] ; then
		SCRIPT=$(ls -1 *.src2pkg |head -n 1) &> /dev/null
	  elif [[ $(ls -1 *.src2pkg.auto 2> /dev/null) != "" ]] ; then
		SCRIPT=$(ls -1 *.src2pkg.auto |head -n 1) &> /dev/null
	  else
		echo "No src2pkg script found!"
		exit 0
	  fi
	  echo $BLUE"Running build script:"$NORMAL $(basename $SCRIPT)
	  # this is probably not necessary anymore but doesn't hurt anything
	  export KEEP_BACKUPS PKG_DEST_DIR DEBUG REALLY_INSTALL REPLAY_ERRORS QUIET CLEANUP AUTO_PATCH CORRECT_PERMS SHOW_DEPS EXTRA_SOURCES USE_OBJ_DIR INTERACTIVE_MODE
	  . $SCRIPT
	elif [[ "$(echo $SCRIPT |grep '://')" != "" ]] ; then
		if [ ! -w "$CWD" ] ; then
			echo $RED"FAILED! "$NORMAL"CWD is not writable... exiting."
			FAILED="READONLY CWD"
		else
			URL_ADDRESS=${SCRIPT}
			URL_DEST=${CWD}/$(basename $URL_ADDRESS)
			URL_TYPE="build script"
			download_url
			if [ $? -ne 0 ]; then
				mv -f "${URL_DEST}" "${URL_DEST}".FAIL
				echo $RED"FAILED! "$NORMAL"Downloading '$(basename ${URL_DEST})' failed or cancelled."
				FAILED="SCRIPT DOWNLOAD"
			else
				if [ "$DOWNLOAD_ONLY" ]; then
					echo $BLUE"Download completed to: "$NORMAL"$URL_DEST"
					exit 0
				else
					echo $BLUE"Script downloaded to: "$NORMAL"$URL_DEST"
				fi
			fi
			# this is probably not necessary anymore but doesn't hurt anything
			export KEEP_BACKUPS PKG_DEST_DIR DEBUG REALLY_INSTALL REPLAY_ERRORS QUIET CLEANUP AUTO_PATCH CORRECT_PERMS SHOW_DEPS EXTRA_SOURCES USE_OBJ_DIR
			# /bin/bash "$(basename $SCRIPT)"
			. "$(basename $SCRIPT)"
		fi
	else
	  echo "File $@ not found!"
	fi

fi