#!/bin/sh
#A slightly modified version of mistfire's TazWoof: http://murga-linux.com/puppy/viewtopic.php?p=996352#996352
#180619-1a s243a a download failure shouldn't stop the build
#180619-1b Keep track of sucfull and failed downloads
#180619-1c Don't re download the file if it exists

WEBSITE="http://mirror1.slitaz.org"

DESKTOP="$1"

curdir="$(pwd)"

download_pkgs(){
	
	pkgs="$1"
	PTRN="$(echo "^$pkgs-[0-9]" | sed -e "s#\+#\\\+#g")"
	pkgname="$(cat $curdir/slitaz-devx/packages.list | grep -E "$PTRN")"

    if [ "$pkgname" != "" ]; then
        if [ ! -f "$curdir/slitaz-devx/$pkgname.tazpkg" ]; then #180619-1c
		  wget --timeout=10 $WEBSITE/packages/cooking/$pkgname.tazpkg -O $curdir/slitaz-devx/$pkgname.tazpkg
		  if [ $? -ne 0 ]; then
		    echo "Downloading package failed: $pkgname"
		    #exit #180619-1
		    echo "$pkgname.tazpkg" >> "$curdir/slitaz-devx/packages.list.fail" #180619-1b
		  else
		    echo "$pkgname.tazpkg" >> "$curdir/slitaz-devx/packages.list.success" #180619-1b		
		  fi
		else
		  echo "$pkgname.tazpkg" >> "$curdir/slitaz-devx/packages.list.success"	#180619-1c
		fi
		
	fi
	
}

cleanup_TMP(){ #180619-1c
  rm -f $curdir/slitaz-devx/packages.list.fail	
  rm -f $curdir/slitaz-devx/packages.list.success
  rm -f $curdir/slitaz-devx/packages.list	
  rm -rf $curdir/temp-devx
  mkdir $curdir/temp-devx
}
cleanup_ROOTFS()
{
  rm -rf $curdir/devx-rootfs
}
cleanup(){
  rm -rf $curdir/slitaz-devx	
  mkdir $curdir/slitaz-devx	
  rm -rf $curdir/temp-devx
  mkdir $curdir/temp-devx
  rm -rf $curdir/devx-rootfs
}
extract_pkgdb(){
  cd $curdir/slitaz-devx

  unlzma ./bundle.tar.lzma
  tar xvf ./bundle.tar packages.list
  tar xvf ./bundle.tar packages.info
  rm -f ./bundle.tar	
}

download_pkgdb(){

  wget --timeout=10 $WEBSITE/packages/cooking/bundle.tar.lzma -O $curdir/slitaz-devx/bundle.tar.lzma

  if [ $? -ne 0 ]; then
    echo "Downloading slitaz package database failed"
    exit
  fi	
}

build_pkg_db(){
  rm -f $curdir/slitaz-devx/packages.txt
  cat $curdir/slitaz-devx/packages.info | sed -e "s#\t#;#g" >  $curdir/slitaz-devx/packages.txt
}

sniff_deps(){
	
  pkg="$1"

  PTRN="$(echo "^$pkg;" | sed -e "s#\+#\\\+#g")"

  if [ "$pkg" == "" ]; then
    continue
  fi

	if [ ! -f $curdir/temp-devx/package-listed.txt ]; then
	  echo "$pkg;" > $curdir/temp-devx/package-listed.txt
	elif [ "$(cat $curdir/temp-devx/package-listed.txt | grep -E "$PTRN")" == "" ]; then
	  echo "$pkg;" >> $curdir/temp-devx/package-listed.txt
	else
	 continue
	fi


  deps=$(cat $curdir/slitaz-devx/packages.txt | grep -E "$PTRN" | cut -f 8 -d ';')

if [ "$deps" == "" ]; then
 continue
fi

#echo "$pkg: $deps"
	
for dep in $deps
do

   #echo "$dep"

	if [ "$dep" != "" ]; then

	   xPTRN7="$(echo "^$dep;" | sed -e "s#\+#\\\+#g")"
	   
	   if [ -f $curdir/temp-devxlates/blocked-packages.txt ]; then
		blkinst="$(cat $curdir/temp-devxlates/blocked-packages.txt | grep -E "$xPTRN7")"
	   fi
	   
	   if [ -f $curdir/temp-devxlates/slitaz-core.txt ]; then
		cldpkg="$(cat $curdir/temp-devxlates/slitaz-core.txt | grep -E "$xPTRN7")"
	   fi
	   
	   if [ -f $curdir/temp-devxlates/puppy-core.txt ]; then
		puppkg="$(cat $curdir/temp-devxlates/puppy-core.txt | grep -E "$xPTRN7")" 
	   fi
	   
	   if [ "$blkinst" == "" ] && [ "$cldpkg" == "" ] && [ "$puppkg" == "" ]; then
	   
		  if [ ! -f $curdir/temp-devx/package-deps.txt ]; then
			  echo "$dep;" > $curdir/temp-devx/package-deps.txt
		  elif [ "$(cat $curdir/temp-devx/package-deps.txt | grep -E "$xPTRN7")" == "" ]; then
			  echo "$dep;" >> $curdir/temp-devx/package-deps.txt
		  fi  
	   
		  sniff_deps "$dep"
		 
	   fi
	   
	fi
          
done
	
}

process_template(){
	
  cat $curdir/templates/devx.txt | sed -e "s#;##g" | sort > $curdir/temp-devx/download-devx-packages.txt
	
}

process_package() {
	
  chksum="$(md5sum $1)"

  cpio -idm --quiet < "$1" && rm -f "$1"
  if [ -f fs.cpio.lzma ]; then
    unlzma < fs.cpio.lzma | cpio -idm --quiet && rm fs.cpio.lzma
  elif [ -f fs.cpio.gz ]; then
    zcat fs.cpio.gz | cpio -idm --quiet && rm fs.cpio.gz
  fi

  rm -f ./receipt > /dev/null
  rm -f ./md5sum > /dev/null
  rm -f ./files.list > /dev/null
  rm -f ./description.txt > /dev/null

  cp -arf ./fs/* ./

  rm -rf ./fs

}

process_pkg_dir(){
  if [ ! -d $curdir/devx-rootfs ]; then
    mkdir $curdir/devx-rootfs
  fi	
}

install_packages(){
  if [ ! -d  $curdir/slitaz-devx ]; then
    echo "Devx tazpup package folder is missing."
    exit
  else

	if [ $(find $curdir/slitaz-devx -type f -name "*.tazpkg" | wc -l) -eq 0 ]; then
	  echo "Tazpup package is missing."
	  exit
	fi

	for pkg in $(find $curdir/slitaz-devx -type f -name "*.tazpkg" | sort -r)
	do
	  echo "Processing package:  $(basename $pkg)"
	  cp -f $pkg $curdir/devx-rootfs/
	  cd $curdir/devx-rootfs/
	  process_package "$(basename $pkg)"
	done
	
  fi	
}

fetch_pkg(){
  for pkg in $(cat $curdir/temp-devx/download-devx-packages.txt)
  do
    download_pkgs "$pkg"
  done		
}

make_sfs(){
  mksquashfs "$curdir/devx-rootfs/" "devx_tazpup.sfs" -comp xz -Xbcj x86 -b 1M -Xdict-size 100%	
}


#### MAIN ####

cleanup
download_pkgdb
extract_pkgdb
build_pkg_db
process_template
fetch_pkg
process_pkg_dir
install_packages
make_sfs