path: root/quilt/patches.in

#! @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 functions
if [ "$(type -t patch_file_name)" != function ]
then
	if ! [ -r @SCRIPTS@/patchfns ]
	then
		echo "Cannot read library @SCRIPTS@/patchfns" >&2
		exit 1
	fi
	. @SCRIPTS@/patchfns
fi

usage()
{
	echo $"Usage: quilt patches {file}"
	if [ x$1 = x-h ]
	then
		echo $"

Print the list of patches that modify the specified file.

-n	Print the patch file names instead of the patch names.

-v	Verbose, more user friendly output.

"
		exit 0
	else
		exit 1
	fi
}

scan_patches()
{
	local prefix=$1 file=$2
	shift 2
	local patch

	for patch in $(modified_files $file -- "$@" \
		       | cut -d $'\t' -f2)
	do
		[ -n "$opt_filenames" ] && patch=$(patch_file_name $patch)
		
		echo "$prefix$patch"
	done
}

options=`getopt -o nvh -- "$@"`

if [ $? -ne 0 ]
then
	usage
fi

eval set -- "$options"

while true
do
	case "$1" in
	-n)
		opt_filenames=1
		shift ;;
	-v)
		opt_verbose=1
		shift ;;
	-h)
		usage -h ;;
	--)
		shift
		break ;;
	esac
done

if [ $# -ne 1 ]
then
	usage
fi
opt_file=$1

if ! refresh_patches_per_file
then
	exit 1
fi

if [ -n "$opt_verbose" ]
then
	top=$(top_patch)
	if [ -n "$top" ]
	then
		patches_before="$(patches_before $top)"
		[ -n "$patches_before" ] &&
			scan_patches "+ " $opt_file $patches_before
		scan_patches "= " $opt_file $top
		patches_after="$(patches_after $top)"
		[ -n "$patches_after" ] &&
			scan_patches "  " $opt_file $(patches_after $top)
	else
		scan_patches "  " $opt_file
	fi
else
	scan_patches "" $opt_file
fi
### Local Variables:
### mode: shell-script
### End:
# vim:filetype=sh