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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 @SCRIPTS@/patchfns ]
then
echo "Cannot read library @SCRIPTS@/patchfns" >&2
exit 1
fi
. @SCRIPTS@/patchfns
fi
usage()
{
echo $"Usage: quilt previous [-n] [patch]"
if [ x$1 = x-h ]
then
echo $"
Print the name of the previous patch before the specified or topmost
patch in the series file.
-n Print patch file names instead of patch names."
exit 0
else
exit 1
fi
}
options=`getopt -o nh -- "$@"`
if [ $? -ne 0 ]
then
usage
fi
eval set -- "$options"
while true
do
case "$1" in
-n)
opt_filenames=1
shift ;;
-h)
usage -h ;;
--)
shift
break ;;
esac
done
if [ $# -gt 1 ]
then
usage
elif [ $# -eq 1 ]
then
if ! patch=$(find_patch $1)
then
echo $"Patch $1 is not in series" >&2
exit 1
fi
else
patch=$(top_patch)
fi
previous=$(applied_before "$patch" | tail -n 1)
if [ -n "$previous" ]
then
[ -n "$opt_filenames" ] && previous=$(patch_file_name $previous)
echo "$previous"
else
exit 2
fi
### Local Variables:
### mode: shell-script
### End:
# vim:filetype=sh
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