blob: abc577f6b9f6d2af04d799afd295b6f112833faa (
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
|
#!/bin/bash
IGNORE=7.0
FROM=7.2
TO=master
IGNORE_HEAD=origin/$IGNORE
FROM_HEAD=origin/$FROM
PUSH="origin HEAD:refs/for/$TO"
EMAIL_AUTHOR=
if [ "$1" = "email" ]
then
EMAIL_AUTHOR=1
fi
show() {
sCommit=$1
if [ "$sCommit" == "" ]
then
echo "show() missing commit id"
exit 1
fi
git show -s $sCommit
}
merge() {
mCommit=$1
if [ "$mCommit" == "" ]
then
echo "merge() missing commit id"
exit 2
fi
# echo "merge($mCommit)"
git merge -m "Should be overwritten by merge script" $mCommit $2
if [ "$?" != "0" ]
then
echo "Merge failed for commit $mCommit"
echo "Manual merge is needed"
exit 3
fi
# Add a change id using git hook
git commit --amend --no-edit
}
pushMerged() {
# echo "pushMerged()"
git push $PUSH
if [ "$?" != "0" ]
then
echo "Push failed!"
exit 4
fi
}
maybe_commit_and_push() {
# echo "maybe_commit_and_push()"
cpCommit=$1
if [ "$cpCommit" == "" ]
then
# Nothing to merge currently
return
fi
cpCommitMsg=$2
if [ "$cpCommitMsg" == "" ]
then
echo "Internal error, no commit message passed to maybe_commit_and_push()"
exit 5
fi
# echo "maybe_commit_and_push: Merging $cpCommit"
merge $cpCommit
echo -e "Merge changes from $FROM_HEAD\n\n$cpCommitMsg"|git commit --amend -F -
pushMerged
}
can_merge() {
commit=$1
git merge --no-commit --no-ff $commit > /dev/null 2>&1
result=$?
git reset --hard HEAD > /dev/null 2>&1
return $result
}
nothingToCommit=`git status | grep "nothing to commit"`
if [ "$nothingToCommit" == "" ]
then
git status
echo "Can not merge when there are unstaged changes."
exit 6
fi
git checkout $TO
git fetch
pending=`git log $TO..$FROM_HEAD ^$IGNORE_HEAD --reverse|grep "^commit "|sed "s/commit //"`
pendingCommit=
pendingCommitMessage=
for commit in $pending
do
echo "Checking $commit..."
mergeDirective=`git log -n 1 --format=%B $commit|grep "^Merge:"|sed "s/Merge: //"`
commitMsg=`git log -n 1 --format=oneline --abbrev-commit $commit | sed 's/\\\\/\\\\\\\\/g'` #Multiple levels of unescaping, sed just changes \ to \\
if [ "$mergeDirective" == "" ]
then
if can_merge $commit
then
pendingCommit=$commit
pendingCommitMessage=$pendingCommitMessage"$commitMsg\n"
echo pendingCommitMessage: $pendingCommitMessage
else
maybe_commit_and_push $pendingCommit "$pendingCommitMessage"
pendingCommit=
pendingCommitMessage=
echo
echo "Stopping merge at $commit because of merge conflicts"
echo "The following commit must be manually merged."
show $commit
if [ "$EMAIL_AUTHOR" = "1" ]
then
author=`git show --format=%aE -s $commit`
echo "Email sent to $author"
(show $commit ; echo ; git merge $commit) |mail -s "Merge of your commit $commit to $TO failed" $author
fi
exit 7
fi
elif [ "$mergeDirective" == "no" ]
then
maybe_commit_and_push $pendingCommit "$pendingCommitMessage"
pendingCommit=
pendingCommitMessage=
echo
echo "Doing a no-op merge because of Merge: no for $commit"
git log -n 1 --format=%B $commit
echo
# Do a no-op merge
git merge $commit -s ours
echo -e "No-op merge from $FROM_HEAD\n\n$commitMsg"|git commit --amend -F -
pushMerged
elif [ "$mergeDirective" == "manual" ]
then
maybe_commit_and_push $pendingCommit "$pendingCommitMessage"
pendingCommit=
pendingCommitMessage=
echo
echo "Stopping merge at $commit (merge: manual)"
echo "The following commit must be manually merged."
show $commit
exit 8
else
maybe_commit_and_push $pendingCommit "$pendingCommitMessage"
pendingCommit=
pendingCommitMessage=
echo
echo "Commit $commit contains an unknown merge directive, Merge: $mergeDirective"
echo "Stopping merge."
show $commit
exit 9
fi
done
# Push any pending merges
maybe_commit_and_push $pendingCommit "$pendingCommitMessage"
|
