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#! @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 $QUILT_DIR/scripts/patchfns ]
then
echo "Cannot read library $QUILT_DIR/scripts/patchfns" >&2
exit 1
fi
. $QUILT_DIR/scripts/patchfns
fi
: ${EDITOR:=vi}
usage()
{
printf $"Usage: quilt header [-a|-r|-e] [--backup] [--strip-diffstat] [--strip-trailing-whitespace] [patch]\n"
if [ x$1 = x-h ]
then
printf $"
Print or change the header of the topmost or specified patch.
-a, -r, -e
Append to (-a) or replace (-r) the exiting patch header, or
edit (-e) the header in \$EDITOR (%s). If none of these options is
given, print the patch header.
--strip-diffstat
Strip diffstat output from the header.
--strip-trailing-whitespace
Strip trailing whitespace at the end of lines of the header.
--backup
Create a backup copy of the old version of a patch as patch~.
" "$EDITOR"
exit 0
else
exit 1
fi
}
maybe_strip_trailing_whitespace()
{
if [ -n "$opt_strip_trailing_whitespace" ]
then
sed -e 's:[ '$'\t'']*$::'
else
cat
fi
}
maybe_strip_diffstat()
{
if [ -n "$opt_strip_diffstat" ]
then
awk '
/#? .* \| / \
{ eat = eat $0 "\n"
next }
/^#? .* files? changed(, .* insertions?\(\+\))?(, .* deletions?\(-\))?/ \
{ eat = ""
next }
{ print eat $0
eat = "" }
'
else
cat
fi
}
options=`getopt -o areh --long backup,strip-trailing-whitespace,strip-diffstat -- "$@"`
if [ $? -ne 0 ]
then
usage
fi
eval set -- "$options"
while true
do
case "$1" in
-a)
opt_append=1
shift ;;
-r)
opt_replace=1
shift ;;
-e)
opt_edit=1
shift ;;
--backup)
QUILT_BACKUP=1
shift ;;
--strip-diffstat)
opt_strip_diffstat=1
shift ;;
--strip-trailing-whitespace)
opt_strip_trailing_whitespace=1
shift ;;
-h)
usage -h ;;
--)
shift
break ;;
esac
done
case "$opt_append$opt_replace$opt_edit"
in
''|1) ;;
*) usage ;;
esac
if [ $# -gt 1 ]
then
usage
fi
patch=$(find_patch_in_series "$1") || exit 1
patch_file=$(patch_file_name $patch)
if [ -z "$opt_replace" -a -z "$opt_append" -a -z "$opt_edit" ]
then
[ -e "$patch_file" ] || exit 0
cat_file "$patch_file" \
| patch_header \
| maybe_strip_diffstat \
| maybe_strip_trailing_whitespace
else
patch_file_or_null=/dev/null
[ -e "$patch_file" ] && patch_file_or_null=$patch_file
tmp=$(gen_tempfile) || exit 1
tmp2=$(gen_tempfile) || exit 1
trap "rm -f $tmp $tmp2" EXIT
( if [ -z "$opt_replace" ]
then
cat_file $patch_file_or_null | patch_header
fi
if [ -n "$opt_append" -o -n "$opt_replace" ]
then
cat
fi
) > $tmp
if [ -n "$opt_edit" ]
then
$EDITOR "$tmp" || exit 1
fi
maybe_strip_diffstat < $tmp \
| maybe_strip_trailing_whitespace > $tmp2
cat_file "$patch_file_or_null" | patch_body >> $tmp2 || exit 1
if ( [ -z "$QUILT_BACKUP" -o ! -e $patch_file ] || \
mv $patch_file $patch_file~ ) && \
cat_to_new_file $patch_file < $tmp2
then
if [ -z "$opt_append" ]
then
printf \
$"Replaced header of patch %s\n" "$(print_patch $patch)"
else
printf \
$"Appended text to header of patch %s\n" "$(print_patch $patch)"
fi
else
exit 1
fi
fi
### Local Variables:
### mode: shell-script
### End:
# vim:filetype=sh
|
