blob: 03debcb41c7ef255db78bef3545a6b9d531f9223 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
|
#!/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]
|
