#! @BASH@#  This script is free software; you can redistribute it and/or modify#  it under the terms of the GNU General Public License version 2 as#  published by the Free Software Foundation.##  See the COPYING and AUTHORS files for more details.# Read in library functionsif [ "$(type -t patch_file_name)" != function ]then	if ! [ -r $QUILT_DIR/scripts/patchfns ]	then		echo "Cannot read library $QUILT_DIR/scripts/patchfns" >&2		exit 1	fi	. $QUILT_DIR/scripts/patchfnsfiusage(){	printf $"Usage: quilt refresh [-p n|-p ab] [-u|-U num|-c|-C num] [-f] [--no-timestamps] [--no-index] [--diffstat] [--sort] [--backup] [--strip-trailing-whitespace] [patch]\n"	if [ x$1 = x-h ]	then		printf $"Refreshes the specified patch, or the topmost patch by default.Documentation that comes before the actual patch in the patch file isretained.It is possible to refresh patches that are not on top.  If any patcheson top of the patch to refresh modify the same files, the script abortsby default.  Patches can still be refreshed with -f.  In that case thisscript will print a warning for each shadowed file, changes by morerecent patches will be ignored, and only changes in files that have notbeen modified by any more recent patches will end up in the specifiedpatch.-p n	Create a -p n style patch (-p0 or -p1 supported).-p ab	Create a -p1 style patch, but use a/file and b/file as the	original and new filenames instead of the default	dir.orig/file and dir/file names.-u, -U num, -c, -C num	Create a unified diff (-u, -U) with num lines of context. Create	a context diff (-c, -C) with num lines of context. The number of	context lines defaults to 3.--no-timestamps	Do not include file timestamps in patch headers.--no-index	Do not output Index: lines.--diffstat	Add a diffstat section to the patch header, or replace the	existing diffstat section.-f	Enforce refreshing of a patch that is not on top.--backup	Create a backup copy of the old version of a patch as patch~.--sort	Sort files by their name instead of preserving the original order.--strip-trailing-whitespace	Strip trailing whitespace at the end of lines."		exit 0	else		exit 1	fi}die(){	local status=$1	[ -n "$tmp_patch" ] && rm -f $tmp_patch	[ -n "$tmp_header" ] && rm -f $tmp_header	[ -n "$tmp_result" ] && rm -f $tmp_result	exit $status}options=`getopt -o p:uU:cC:fh --long no-timestamps,diffstat,backup,sort \			      --long no-index \			      --long strip-trailing-whitespace -- "$@"`if [ $? -ne 0 ]then	usagefieval set -- "$options"opt_format=-uwhile truedo	case "$1" in	-p)		opt_strip_level=$2		shift 2 ;;	-f)		opt_force=1		shift ;;	-u|-c)		opt_format=$1		shift ;;	-U|-C)		opt_format="$1 $2"		shift 2 ;;	-h)		usage -h ;;	--no-timestamps)		QUILT_NO_DIFF_TIMESTAMPS=1		shift ;;	--no-index)		QUILT_NO_DIFF_INDEX=1		shift ;;	--diffstat)		opt_diffstat=1		shift ;;	--backup)		QUILT_BACKUP=1		shift ;;	--sort)		opt_sort=1		shift ;;	--strip-trailing-whitespace)		opt_strip_whitespace=1		shift ;;	--)		shift		break ;;	esacdoneif [ $# -gt 1 ]then	usagefiQUILT_DIFF_OPTS="$QUILT_DIFF_OPTS $opt_format"patch=$(find_applied_patch "$1") || exit 1if [ -z "$opt_strip_level" ]then	opt_strip_level=$(patch_strip_level $patch)ficase "$opt_strip_level" in0 | 1)	num_strip_level=$opt_strip_level	;;ab)	num_strip_level=1	;;*)	printf $"Cannot refresh patches with -p%s, please specify -p0 or -p1 instead\n" "$opt_strip_level\n" >&2	exit 1	;;esactrap "die 1" SIGTERMtmp_patch=$(gen_tempfile)if [ -z "$opt_sort" ]then	files=( $(files_in_patch_ordered $patch) )else	files=( $(files_in_patch $patch | sort) )fifor file in "${files[@]}"do	old_file=$(backup_file_name $patch $file)	next_patch=$(next_patch_for_file $patch $file)	if [ -z "$next_patch" ]	then		new_file=$file	else		new_file=$(backup_file_name $next_patch $file)		files_were_shadowed=1	fi	if ! diff_file $file $old_file $new_file >> $tmp_patch	then		printf $"Diff failed, aborting\n" >&2		die 1	fi	if [ -n "$files_were_shadowed" -a -z "$opt_force" ]	then		printf $"More recent patches modify files in patch %s. Enforce refresh with -f.\n" "$(print_patch $patch)" >&2		die 1	fi	if [ -n "$files_were_shadowed" -a -n "$opt_strip_whitespace" ]	then		printf $"Cannot use --strip-trailing-whitespace on a patch that has shadowed files.\n" >&2	fidoneif ! [ -s $tmp_patch ]then	printf $"Nothing in patch %s\n" "$(print_patch $patch)" >&2	die 1fi# Check for trailing whitespaceif [ -z "$opt_strip_whitespace" ]then	$QUILT_DIR/scripts/remove-trailing-ws -n -p$num_strip_level \	< $tmp_patchelse	tmp_patch2=$(gen_tempfile)	if $QUILT_DIR/scripts/remove-trailing-ws -p$num_strip_level \				       < $tmp_patch > $tmp_patch2	then		rm -f $tmp_patch		tmp_patch=$tmp_patch2	fifi# FIXME: no stripping of non-topmost patch !!!patch_file=$(patch_file_name $patch)trap "" SIGINTif ! tmp_header=$(gen_tempfile)then	die 1fimkdir -p $(dirname $patch_file)if ! cat_file $patch_file | patch_header > $tmp_headerthen	die 1fitmp_result=$(gen_tempfile) || die 1if [ -n "$opt_diffstat" ]then	diffstat="$(diffstat $QUILT_DIFFSTAT_OPTS \			     -p$num_strip_level $tmp_patch)" || die 1	awk '	    function print_diffstat(arr, i) {	      split(diffstat, arr, "\n")	      for (i=1; i in arr; i++)		print prefix arr[i]	    }			{ prefix=""			  if (index($0, "#") == 1)			    prefix="#"			}	    /^#? .* \|  *[1-9][0-9]* /	{ eat = eat $0 "\n"			  next }	    /^#? .* files? changed(, .* insertions?\(\+\))?(, .* deletions?\(-\))?/ \			{ print_diffstat()			  diffstat = "" ; eat = ""			  next }			{ print eat $0			  eat = "" }	    END		{ printf "%s", eat	    		  if (diffstat != "") {			    print "---"			    print_diffstat()			    print prefix			  }			}	    ' diffstat="$diffstat" \	    $tmp_header > $tmp_resultelse	cat $tmp_header > $tmp_resultficat $tmp_patch >> $tmp_resultif [ -e $patch_file ] && \   diff -q $patch_file $tmp_result > /dev/nullthen	printf $"Patch %s is unchanged\n" "$(print_patch $patch)"elif ( [ -z "$QUILT_BACKUP" -o ! -e $patch_file ] || \       mv $patch_file $patch_file~ ) && \     cat_to_new_file $patch_file < $tmp_resultthen	touch $QUILT_PC/$patch/.timestamp	printf $"Refreshed patch %s\n" "$(print_patch $patch)"else	die 1firm -f $QUILT_PC/$patch~refreshif ! change_db_strip_level -p$num_strip_level $patchthen	die 1fidie 0### Local Variables:### mode: shell-script### End:# vim:filetype=sh