# 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

### fix_source_perms
fix_source_perms() {
if [[ "$FAILED" = "" ]] ; then
	if [[ "$CORRECT_PERMS" = "YES" ]] ; then
	echo -n $BLUE"Correcting source permissions - "$NORMAL
	if [ "$(whoami)" = "root" ] ; then
		chown -R root:root $SRC_DIR
	else
		chown -R $OWNER:$GROUP $SRC_DIR
	fi
	cd $SRC_DIR
	find . -type d -exec chmod 755 {} \;
	find . -perm 666 -perm 664 -perm 600 -exec chmod 644 {} \;
	find . -perm 444 -perm 440 -perm 400 -exec chmod 644 {} \;
	find . -perm 555 -perm 511 -exec chmod 755 {} \;
	find . -perm 777 -perm 775 -perm 754 -perm 711 -exec chmod 755 {} \;
	! [[ $CORRECT_SUID_PERMS = "NO" ]] && find . -perm 2775 -perm 2755 -exec chmod 755 {} \;
	echo $GREEN"Done"$NORMAL
	fi
	
	# Auto-Patching  works for most patches, but patch -p option and application order 
	# can be controlled by renaming the files. patches should be in the CWD or CWD/patches directory
	# we are patching from the toplevel of SRC_DIR which may not work for some patches at all...
	apply_patches() {
		echo "   Applying: $(basename $p)" ;
		for PATCH_OPTIONS in -p0 -p1 -p2 -p3 -p4 -p5 ; do
			cat /dev/null > $SRC_DIR/patchlist.this
			case $p in
			*.gz) #echo "   Applying: $(basename $p)" ;
				if [[ $(file $CWD/$p |grep compressed) != "" ]] ; then
				  cd $SRC_DIR && zcat $CWD/$p | patch  "$PATCH_OPTIONS" -l >> $SRC_DIR/patchlist.this
				else
				  # Debian patches are plain-text patches named with a .gz suffix to avoid corruption
				  cd $SRC_DIR && patch "$PATCH_OPTIONS" -l < $CWD/$p >> $SRC_DIR/patchlist.this
				fi
			;;
			*.bz2) #echo "   Applying: $(basename $p)" ;
				cd $SRC_DIR && bzcat $CWD/$p | patch "$PATCH_OPTIONS" -l >> $SRC_DIR/patchlist.this
			;;
			*.patch|*.diff) #echo "   Applying: $(basename $p)" ;
				cd $SRC_DIR && patch "$PATCH_OPTIONS" -l < $CWD/$p >> $SRC_DIR/patchlist.this
			;;
			esac
			if [ $? -ne 0 ] ; then
				rm -f $SRC_DIR/patchlist.this
				continue
			else
				break
			fi
		done
		# clean up the list of files patched with this patch
		cat $SRC_DIR/patchlist.this| cut -f3 -d' ' | sort | uniq >  $SRC_DIR/patched-files.this
		rm -f $SRC_DIR/patchlist.this
		
		if [[ $DEBUG ]] ; then
		  echo $BLUE"Files Patched:"$NORMAL
		  cat $SRC_DIR/patched-files.this
		fi
		# write the entry for this patch to the main patched-files list
		echo $p >> $SRC_DIR/patched-files-$NAME-$VERSION
		cat $SRC_DIR/patched-files.this >> $SRC_DIR/patched-files-$NAME-$VERSION
		echo "" >> $SRC_DIR/patched-files-$NAME-$VERSION
		rm -f $SRC_DIR/patched-files.this
	}
	
	if [[ $PATCHLIST ]] ; then
		echo $BLUE"Applying patches - "$NORMAL"from User-Supplied PATCHLIST"
		cat /dev/null > $SRC_DIR/patched-files-$NAME-$VERSION
		for p in $PATCHLIST ; do
			apply_patches ;
		done
		PATCHES_APPLIED=1
	elif [[ ! "$AUTO_PATCH" = "NO" ]] ; then
		echo -n $BLUE"Checking for patches - "$NORMAL
		get_patch_list
		if [[ "$PATCHLIST" = "" ]] ; then
			echo "None found"
		else
			echo "Found"
			cat /dev/null > $SRC_DIR/patched-files-$NAME-$VERSION
			for p in $PATCHLIST ; do
				apply_patches ;
			done
			PATCHES_APPLIED=1
		fi
	fi
	if [[ $PATCHES_APPLIED ]] ; then
		# check the patchlist for keyfiles to determine whether to run autoreconf
		if [[ "$(cat $SRC_DIR/patched-files-$NAME-$VERSION |grep -w configure |egrep -v '(configure.ac|configure.in|Makefile.am|Makefile.in)' | grep -v '#')" != "" ]] ; then
			true
		elif [[ "$(cat $SRC_DIR/patched-files-$NAME-$VERSION |egrep '(configure.ac|configure.in|Makefile.am|Makefile.in)' | grep -v '#')" != "" ]] ; then
				SHOULD_AUTORECONF=1
		fi
		if [[ $DEBUG_FILELISTS ]] ; then
			cat $SRC_DIR/patched-files-$NAME-$VERSION >> $CWD/patched-files-$NAME-$VERSION
		fi
	fi
fi
}

get_patch_list() {
cd $CWD ;
if [[ ! -d $CWD/patches ]] ; then
	# if there are patches in the CWD use them
	PATCHLIST=$(find . -maxdepth 1 -type f -name '*.patch*' -o -name '*.diff*' | sort)
else
	# otherwise if there are patches in the CWD/patches use them
	PATCHLIST=$(find ./patches -maxdepth 1 -type f -name '*.patch*' -o -name '*.diff*' | sort)
fi
}