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#!/bin/bash
# Rename patch files according to the Content-Disposition header line
# if they do have one, or Subject if they don't.
#
# Copyright (C) 2005, 2006, 2008 Jean Delvare <khali@linux-fr.org>
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details:
# http://www.gnu.org/copyleft/gpl.html
#
# The latest official version of this script can be found at:
# ftp://ftp.kernel.org/pub/linux/kernel/people/jdelvare/scripts/rename-patch
# Avoid nasty locale effects
export LC_ALL=C
findname()
{
local file="$1" pattern;
# Try Content-Disposition first
pattern='^Content-Disposition:[[:space:]]*inline[[:space:]]*;[[:space:]]*filename[[:space:]]*=';
if grep -q $pattern "$file"
then
sed -ne "/$pattern/{s/$pattern[[:space:]]*//p;q}" "$file"
return
fi
# Fallback to Subject
pattern='^Subject:';
if grep -q $pattern "$file"
then
sed -ne "/$pattern/{
s/$pattern[[:space:]]*//;
s/\[[^]]*\]//g;
s/[^a-z0-9._-]/-/ig;
s/--*/-/g;
s/^-//;
s/^re-//i;
s/[.-]*$/.patch/;
p;q}" "$file" | \
tr A-Z a-z
return
fi
}
if [ $# -eq 0 ]
then
echo "Usage: rename-patch file [file...]" >&2
exit 1
fi
for file in "$@"
do
name=$(findname "$file")
if echo "$file" | grep -q '/'
then
path=$(echo "$file" | sed -e 's/\/[^/]*$/\//')
else
path=''
fi
if [ -z "$name" ]
then
echo "No name found for $file" >&2
continue
fi
if [ "$path$name" == "$file" ]
then
# It's already OK
continue
fi
if [ -e "$path$name" ]
then
echo "Can't rename $file to $path$name which already exists" >&2
continue
fi
mv -f "$file" "$path$name"
echo "$path$name"
done