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#! /bin/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 ! [ -r @LIB@/patchfns ]
then
echo "Cannot read library @LIB@/patchfns" >&2
exit 1
fi
. @LIB@/patchfns
usage()
{
echo "Usage: toppatch [-bpnfa] [patchname]"
if [ x$1 = x-h ]
then
cat <<EOF
Print the name of the topmost patch on the current stack
of applied patches, or the names of one or more patches
relative to this patch.
-b Print the names of all patches before the
topmost or specified patch.
-p Print the name of the previous patch in the
series.
-n Print the name of the next patch in the series.
-f Print the names of all patches following the
topmost or specified patch.
-a Print the names of all patches in the file series.
EOF
exit 0
else
exit 1
fi
}
options=`getopt -o bpnfah -- "$@"`
if [ $? -ne 0 ]
then
usage
fi
eval set -- "$options"
opt_what=here
while true
do
case "$1" in
-b)
opt_what=before
shift ;;
-p)
opt_what=previous
shift ;;
-n)
opt_what=next
shift ;;
-f)
opt_what=follow
shift ;;
-a)
opt_what=all
shift ;;
-h)
usage -h ;;
--)
shift
break ;;
esac
done
if [ $# -gt 1 ]
then
usage
elif [ $# -eq 1 ]
then
opt_patch=$1
fi
if [ -n "$opt_patch" ]
then
patch=$(stripit $opt_patch)
else
patch=$(top_patch)
fi
case $opt_what in
before)
if [ -n "$patch" ]
then
patches_before $patch
fi
;;
previous)
if [ -n "$patch" ]
then
patches_before $patch | tail -1
fi
;;
here)
if [ -n "$patch" ]
then
echo $patch
fi
;;
next)
if [ -z "$patch" ]
then
cat_series | head -1
else
patches_after $patch | head -1
fi
;;
follow)
if [ -z "$patch" ]
then
cat_series
else
patches_after $patch
fi
;;
all)
cat_series
;;
esac
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