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-rwxr-xr-xdev-tools/lz4-rebaser.sh68
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diff --git a/dev-tools/lz4-rebaser.sh b/dev-tools/lz4-rebaser.sh
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--- a/dev-tools/lz4-rebaser.sh
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-#!/bin/sh
-# lz4-rebaser.sh - Does the LZ4 rebase process in an automated fashion
-#
-# Copyright (C) 2017-2018 David Sommerseth <davids@openvpn.net>
-#
-# 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.
-#
-# 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.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software
-# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-
-# Basic shell sanity
-set -eu
-
-# Simple argument control
-if [ $# -ne 1 ]; then
- echo "Usage: $0 <Path to upstream LZ4 source tree>"
- exit 1
-fi
-
-# Check that we have the files we need before starting the rebase
-LZ4_C="$1/lib/lz4.c"
-LZ4_H="$1/lib/lz4.h"
-if [ ! -r "$LZ4_C" -o ! -r "$LZ4_H" ]; then
- echo "Could not locate $LZ4_H and/or $LZ4_C"
- exit 1
-fi
-
-# Extract the upstream LZ4 commit base
-lz4_tag="$(git --git-dir $1/.git tag --contains HEAD)"
-lz4_commit="$(git --git-dir $1/.git rev-parse --short=20 HEAD)"
-
-# Do the rebase
-srcroot="$(git rev-parse --show-toplevel)"
-echo "* Copying upstream lz4.h to compat-lz4.h"
-cp "$LZ4_H" "${srcroot}/src/compat/compat-lz4.h"
-
-echo "* Porting upstream lz4.c to compat-lz4.c"
-{
- cat <<EOF
-/* This file has been backported by $0
- * from upstream lz4 commit $lz4_commit ($lz4_tag)
- */
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#elif defined(_MSC_VER)
-#include "config-msvc.h"
-#endif
-
-#ifdef NEED_COMPAT_LZ4
-EOF
- sed 's/\"lz4\.h\"/\"compat-lz4.h"/' "$LZ4_C"
-cat <<EOF
-#endif /* NEED_COMPAT_LZ4 */
-EOF
-} > "${srcroot}/src/compat/compat-lz4.c"
-
-echo "* Running 'git add'"
-git add src/compat/compat-lz4.[ch]