blob: 9e2ca01cc96dab92d7ad9e6e535e339ee3673021 (
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
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
|
#!/bin/sh
# Copyright 2009 The Go Authors. All rights reserved.
# Use of this source code is governed by a BSD-style
# license that can be found in the LICENSE file.
# This script merges changes from the master copy of the Go library
# into the libgo library. This does the easy stuff; the hard stuff is
# left to the user.
# The file MERGE should hold the Mercurial revision number of the last
# revision which was merged into these sources. Given that, and given
# the current sources, we can run the usual diff3 algorithm to merge
# all changes into our sources.
set -e
TMPDIR=${TMPDIR:-/tmp}
OLDDIR=${TMPDIR}/libgo-merge-old
NEWDIR=${TMPDIR}/libgo-merge-new
if ! test -f MERGE; then
echo 1>&2 "merge.sh: must be run in libgo source directory"
exit 1
fi
rev=weekly
case $# in
1) ;;
2) rev=$2 ;;
*)
echo 1>&2 "merge.sh: Usage: merge.sh mercurial-repository [revision]"
exit 1
;;
esac
repository=$1
old_rev=`sed 1q MERGE`
rm -rf ${OLDDIR}
hg clone -r ${old_rev} ${repository} ${OLDDIR}
rm -rf ${NEWDIR}
hg clone -u ${rev} ${repository} ${NEWDIR}
new_rev=`cd ${NEWDIR} && hg log -r ${rev} | sed 1q | sed -e 's/.*://'`
merge() {
name=$1
old=$2
new=$3
libgo=$4
if ! test -f ${new}; then
# The file does not exist in the new version.
if ! test -f ${old}; then
echo 1>&2 "merge.sh internal error no files $old $new"
exit 1
fi
if ! test -f ${libgo}; then
# File removed in new version and libgo.
:;
else
echo "merge.sh: ${name}: REMOVED"
rm -f ${libgo}
hg rm ${libgo}
fi
elif test -f ${old}; then
# The file exists in the old version.
if ! test -f ${libgo}; then
echo "merge.sh: $name: skipping: exists in old and new hg, but not in libgo"
continue
fi
if cmp -s ${old} ${libgo}; then
# The libgo file is unchanged from the old version.
if cmp -s ${new} ${libgo}; then
# File is unchanged from old to new version.
continue
fi
# Update file in libgo.
echo "merge.sh: $name: updating"
cp ${new} ${libgo}
else
# The libgo file has local changes.
set +e
diff3 -m -E ${libgo} ${old} ${new} > ${libgo}.tmp
status=$?
set -e
case $status in
0)
echo "merge.sh: $name: updating"
mv ${libgo}.tmp ${libgo}
;;
1)
echo "merge.sh: $name: CONFLICTS"
mv ${libgo}.tmp ${libgo}
hg resolve -u ${libgo}
;;
*)
echo 1>&2 "merge.sh: $name: diff3 failure"
exit 1
;;
esac
fi
else
# The file does not exist in the old version.
if test -f ${libgo}; then
if ! cmp -s ${new} ${libgo}; then
echo 1>&2 "merge.sh: $name: IN NEW AND LIBGO BUT NOT OLD"
fi
else
echo "merge.sh: $name: NEW"
dir=`dirname ${libgo}`
if ! test -d ${dir}; then
mkdir -p ${dir}
fi
cp ${new} ${libgo}
hg add ${libgo}
fi
fi
}
merge_c() {
from=$1
to=$2
oldfile=${OLDDIR}/src/pkg/runtime/$from
if test -f ${oldfile}; then
sed -e 's/·/_/g' < ${oldfile} > ${oldfile}.tmp
oldfile=${oldfile}.tmp
newfile=${NEWDIR}/src/pkg/runtime/$from
sed -e 's/·/_/g' < ${newfile} > ${newfile}.tmp
newfile=${newfile}.tmp
libgofile=runtime/$to
merge $from ${oldfile} ${newfile} ${libgofile}
fi
}
(cd ${NEWDIR}/src/pkg && find . -name '*.go' -print) | while read f; do
oldfile=${OLDDIR}/src/pkg/$f
newfile=${NEWDIR}/src/pkg/$f
libgofile=go/$f
merge $f ${oldfile} ${newfile} ${libgofile}
done
(cd ${NEWDIR}/src/pkg && find . -name testdata -print) | while read d; do
oldtd=${OLDDIR}/src/pkg/$d
newtd=${NEWDIR}/src/pkg/$d
libgotd=go/$d
if ! test -d ${oldtd}; then
continue
fi
(cd ${oldtd} && hg status -A .) | while read f; do
if test "`basename $f`" = ".hgignore"; then
continue
fi
f=`echo $f | sed -e 's/^..//'`
name=$d/$f
oldfile=${oldtd}/$f
newfile=${newtd}/$f
libgofile=${libgotd}/$f
merge ${name} ${oldfile} ${newfile} ${libgofile}
done
done
runtime="chan.c cpuprof.c lock_futex.c lock_sema.c mcache.c mcentral.c mfinal.c mfixalloc.c mgc0.c mheap.c msize.c proc.c runtime.c runtime.h signal_unix.c malloc.h malloc.goc mprof.goc runtime1.goc sema.goc sigqueue.goc string.goc time.goc"
for f in $runtime; do
merge_c $f $f
done
merge_c thread_linux.c thread-linux.c
merge_c mem_linux.c mem.c
(cd ${OLDDIR}/src/pkg && find . -name '*.go' -print) | while read f; do
oldfile=${OLDDIR}/src/pkg/$f
newfile=${NEWDIR}/src/pkg/$f
libgofile=go/$f
if test -f ${newfile}; then
continue
fi
if ! test -f ${libgofile}; then
continue
fi
echo "merge.sh: ${libgofile}: REMOVED"
rm -f ${libgofile}
hg rm ${libgofile}
done
(echo ${new_rev}; sed -ne '2,$p' MERGE) > MERGE.tmp
mv MERGE.tmp MERGE
|
