blob: d917717cf3f177be7ed68306d078ac3362744bc8 (
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
|
#!/bin/sh
#
# this script sets up a Subversion repository for Makefile in the
# first ever git merge, as if it were done with svnmerge (SVN 1.5+)
#
rm -rf foo.svn foo
set -e
mkdir foo.svn
svnadmin create foo.svn
svn co file://`pwd`/foo.svn foo
commit() {
i=$(( $1 + 1 ))
shift;
svn commit -m "(r$i) $*" >/dev/null || exit 1
echo $i
}
say() {
echo "[1m * $*[0m"
}
i=0
cd foo
mkdir trunk
mkdir branches
svn add trunk branches
i=$(commit $i "Setup trunk and branches")
git cat-file blob 6683463e:Makefile > trunk/Makefile
svn add trunk/Makefile
say "Committing ANCESTOR"
i=$(commit $i "ancestor")
svn cp trunk branches/left
say "Committing BRANCH POINT"
i=$(commit $i "make left branch")
svn cp trunk branches/right
say "Committing other BRANCH POINT"
i=$(commit $i "make right branch")
say "Committing LEFT UPDATE"
git cat-file blob 5873b67e:Makefile > branches/left/Makefile
i=$(commit $i "left update 1")
git cat-file blob 75118b13:Makefile > branches/right/Makefile
say "Committing RIGHT UPDATE"
pre_right_update_1=$i
i=$(commit $i "right update 1")
say "Making more commits on LEFT"
git cat-file blob ff5ebe39:Makefile > branches/left/Makefile
i=$(commit $i "left update 2")
git cat-file blob b5039db6:Makefile > branches/left/Makefile
i=$(commit $i "left update 3")
say "Making a LEFT SUB-BRANCH"
svn cp branches/left branches/left-sub
sub_left_make=$i
i=$(commit $i "make left sub-branch")
say "Making a commit on LEFT SUB-BRANCH"
echo "crunch" > branches/left-sub/README
svn add branches/left-sub/README
i=$(commit $i "left sub-branch update 1")
say "Merging LEFT to TRUNK"
svn update
cd trunk
svn merge ../branches/left --accept postpone
git cat-file blob b5039db6:Makefile > Makefile
svn resolved Makefile
i=$(commit $i "Merge left to trunk 1")
cd ..
say "Making more commits on LEFT and RIGHT"
echo "touche" > branches/left/zlonk
svn add branches/left/zlonk
i=$(commit $i "left update 4")
echo "thwacke" > branches/right/bang
svn add branches/right/bang
i=$(commit $i "right update 2")
say "Squash merge of RIGHT tip 2 commits onto TRUNK"
svn update
cd trunk
svn merge -r$pre_right_update_1:$i ../branches/right
i=$(commit $i "Cherry-pick right 2 commits to trunk")
cd ..
say "Merging RIGHT to TRUNK"
svn update
cd trunk
svn merge ../branches/right --accept postpone
git cat-file blob b51ad431:Makefile > Makefile
svn resolved Makefile
i=$(commit $i "Merge right to trunk 1")
cd ..
say "Making more commits on RIGHT and TRUNK"
echo "whamm" > branches/right/urkkk
svn add branches/right/urkkk
i=$(commit $i "right update 3")
echo "pow" > trunk/vronk
svn add trunk/vronk
i=$(commit $i "trunk update 1")
say "Merging RIGHT to LEFT SUB-BRANCH"
svn update
cd branches/left-sub
svn merge ../right --accept postpone
git cat-file blob b51ad431:Makefile > Makefile
svn resolved Makefile
i=$(commit $i "Merge right to left sub-branch")
cd ../..
say "Making more commits on LEFT SUB-BRANCH and LEFT"
echo "zowie" > branches/left-sub/wham_eth
svn add branches/left-sub/wham_eth
pre_sub_left_update_2=$i
i=$(commit $i "left sub-branch update 2")
sub_left_update_2=$i
echo "eee_yow" > branches/left/glurpp
svn add branches/left/glurpp
i=$(commit $i "left update 5")
say "Cherry pick LEFT SUB-BRANCH commit to LEFT"
svn update
cd branches/left
svn merge -r$pre_sub_left_update_2:$sub_left_update_2 ../left-sub
i=$(commit $i "Cherry-pick left sub-branch commit to left")
cd ../..
say "Merging LEFT SUB-BRANCH back to LEFT"
svn update
cd branches/left
# it's only a merge because the previous merge cherry-picked the top commit
svn merge -r$sub_left_make:$sub_left_update_2 ../left-sub --accept postpone
i=$(commit $i "Merge left sub-branch to left")
cd ../..
say "Merging EVERYTHING to TRUNK"
svn update
cd trunk
svn merge ../branches/left --accept postpone
svn resolved bang
i=$(commit $i "Merge left to trunk 2")
# this merge, svn happily updates the mergeinfo, but there is actually
# nothing to merge. git-svn will not make a meaningless merge commit.
svn merge ../branches/right --accept postpone
i=$(commit $i "non-merge right to trunk 2")
cd ..
cd ..
svnadmin dump foo.svn > svn-mergeinfo.dump
rm -rf foo foo.svn
|
