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167f90e2f5
Cc: David Sommerseth <davids@openvpn.net> Signed-off-by: Antonio Quartulli <a@unstable.cc> Acked-by: Gert Doering <gert@greenie.muc.de> Message-Id: <20220126124329.14784-1-a@unstable.cc> URL: https://www.mail-archive.com/openvpn-devel@lists.sourceforge.net/msg23663.html Signed-off-by: Gert Doering <gert@greenie.muc.de>
69 lines
1.9 KiB
Bash
Executable File
69 lines
1.9 KiB
Bash
Executable File
#!/bin/sh
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# lz4-rebaser.sh - Does the LZ4 rebase process in an automated fashion
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#
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# Copyright (C) 2017-2022 David Sommerseth <davids@openvpn.net>
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License
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# as published by the Free Software Foundation; either version 2
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# of the License.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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#
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# Basic shell sanity
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set -eu
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# Simple argument control
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if [ $# -ne 1 ]; then
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echo "Usage: $0 <Path to upstream LZ4 source tree>"
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exit 1
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fi
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# Check that we have the files we need before starting the rebase
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LZ4_C="$1/lib/lz4.c"
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LZ4_H="$1/lib/lz4.h"
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if [ ! -r "$LZ4_C" -o ! -r "$LZ4_H" ]; then
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echo "Could not locate $LZ4_H and/or $LZ4_C"
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exit 1
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fi
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# Extract the upstream LZ4 commit base
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lz4_tag="$(git --git-dir $1/.git tag --contains HEAD)"
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lz4_commit="$(git --git-dir $1/.git rev-parse --short=20 HEAD)"
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# Do the rebase
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srcroot="$(git rev-parse --show-toplevel)"
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echo "* Copying upstream lz4.h to compat-lz4.h"
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cp "$LZ4_H" "${srcroot}/src/compat/compat-lz4.h"
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echo "* Porting upstream lz4.c to compat-lz4.c"
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{
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cat <<EOF
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/* This file has been backported by $0
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* from upstream lz4 commit $lz4_commit ($lz4_tag)
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#elif defined(_MSC_VER)
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#include "config-msvc.h"
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#endif
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#ifdef NEED_COMPAT_LZ4
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EOF
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sed 's/\"lz4\.h\"/\"compat-lz4.h"/' "$LZ4_C"
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cat <<EOF
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#endif /* NEED_COMPAT_LZ4 */
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EOF
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} > "${srcroot}/src/compat/compat-lz4.c"
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echo "* Running 'git add'"
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git add src/compat/compat-lz4.[ch]
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