summaryrefslogtreecommitdiff
path: root/git-rebase--merge.sh
blob: aa2f2f08728edbbfd4beb28a882b744170b426ba (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
# This shell script fragment is sourced by git-rebase to implement
# its merge-based non-interactive mode that copes well with renamed
# files.
#
# Copyright (c) 2010 Junio C Hamano.
#
 
prec=4
 
read_state () {
	onto_name=$(cat "$state_dir"/onto_name) &&
	end=$(cat "$state_dir"/end) &&
	msgnum=$(cat "$state_dir"/msgnum)
}
 
continue_merge () {
	test -d "$state_dir" || die "$state_dir directory does not exist"
 
	unmerged=$(git ls-files -u)
	if test -n "$unmerged"
	then
		echo "You still have unmerged paths in your index"
		echo "did you forget to use git add?"
		die "$resolvemsg"
	fi
 
	cmt=$(cat "$state_dir/current")
	if ! git diff-index --quiet --ignore-submodules HEAD --
	then
		if ! git commit ${gpg_sign_opt:+"$gpg_sign_opt"} $signoff $allow_empty_message \
			--no-verify -C "$cmt"
		then
			echo "Commit failed, please do not call \"git commit\""
			echo "directly, but instead do one of the following: "
			die "$resolvemsg"
		fi
		if test -z "$GIT_QUIET"
		then
			printf "Committed: %0${prec}d " $msgnum
		fi
		echo "$cmt $(git rev-parse HEAD^0)" >> "$state_dir/rewritten"
	else
		if test -z "$GIT_QUIET"
		then
			printf "Already applied: %0${prec}d " $msgnum
		fi
	fi
	test -z "$GIT_QUIET" &&
	GIT_PAGER='' git log --format=%s -1 "$cmt"
 
	# onto the next patch:
	msgnum=$(($msgnum + 1))
	echo "$msgnum" >"$state_dir/msgnum"
}
 
call_merge () {
	msgnum="$1"
	echo "$msgnum" >"$state_dir/msgnum"
	cmt="$(cat "$state_dir/cmt.$msgnum")"
	echo "$cmt" > "$state_dir/current"
	git update-ref REBASE_HEAD "$cmt"
	hd=$(git rev-parse --verify HEAD)
	cmt_name=$(git symbolic-ref HEAD 2> /dev/null || echo HEAD)
	eval GITHEAD_$cmt='"${cmt_name##refs/heads/}~$(($end - $msgnum))"'
	eval GITHEAD_$hd='$onto_name'
	export GITHEAD_$cmt GITHEAD_$hd
	if test -n "$GIT_QUIET"
	then
		GIT_MERGE_VERBOSITY=1 && export GIT_MERGE_VERBOSITY
	fi
	test -z "$strategy" && strategy=recursive
	# If cmt doesn't have a parent, don't include it as a base
	base=$(git rev-parse --verify --quiet $cmt^)
	eval 'git merge-$strategy' $strategy_opts $base ' -- "$hd" "$cmt"'
	rv=$?
	case "$rv" in
	0)
		unset GITHEAD_$cmt GITHEAD_$hd
		return
		;;
	1)
		git rerere $allow_rerere_autoupdate
		die "$resolvemsg"
		;;
	2)
		echo "Strategy: $strategy failed, try another" 1>&2
		die "$resolvemsg"
		;;
	*)
		die "Unknown exit code ($rv) from command:" \
			"git merge-$strategy $cmt^ -- HEAD $cmt"
		;;
	esac
}
 
finish_rb_merge () {
	move_to_original_branch
	if test -s "$state_dir"/rewritten
	then
		git notes copy --for-rewrite=rebase <"$state_dir"/rewritten
		hook="$(git rev-parse --git-path hooks/post-rewrite)"
		test -x "$hook" && "$hook" rebase <"$state_dir"/rewritten
	fi
	say All done.
}
 
git_rebase__merge () {
 
case "$action" in
continue)
	read_state
	continue_merge
	while test "$msgnum" -le "$end"
	do
		call_merge "$msgnum"
		continue_merge
	done
	finish_rb_merge
	return
	;;
skip)
	read_state
	git rerere clear
	msgnum=$(($msgnum + 1))
	while test "$msgnum" -le "$end"
	do
		call_merge "$msgnum"
		continue_merge
	done
	finish_rb_merge
	return
	;;
show-current-patch)
	exec git show REBASE_HEAD --
	;;
esac
 
mkdir -p "$state_dir"
echo "$onto_name" > "$state_dir/onto_name"
write_basic_state
rm -f "$(git rev-parse --git-path REBASE_HEAD)"
 
msgnum=0
for cmt in $(git rev-list --reverse --no-merges "$revisions")
do
	msgnum=$(($msgnum + 1))
	echo "$cmt" > "$state_dir/cmt.$msgnum"
done
 
echo 1 >"$state_dir/msgnum"
echo $msgnum >"$state_dir/end"
 
end=$msgnum
msgnum=1
 
while test "$msgnum" -le "$end"
do
	call_merge "$msgnum"
	continue_merge
done
 
finish_rb_merge
 
}