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
|
#!/usr/bin/perl -w
#
# Copyright (c) 2005 Junio C Hamano
#
# Read .git/FETCH_HEAD and make a human readable merge message
# by grouping branches and tags together to form a single line.
use strict;
my @src;
my %src;
sub andjoin {
my ($label, $labels, $stuff) = @_;
my $l = scalar @$stuff;
my $m = '';
if ($l == 0) {
return ();
}
if ($l == 1) {
$m = "$label$stuff->[0]";
}
else {
$m = ("$labels" .
join (', ', @{$stuff}[0..$l-2]) .
" and $stuff->[-1]");
}
return ($m);
}
sub repoconfig {
my $fh;
my $val;
eval {
open $fh, '-|', 'git-repo-config', '--get', 'merge.summary'
or die "$!";
($val) = <$fh>;
close $fh;
};
return $val;
}
sub current_branch {
my $fh;
open $fh, '-|', 'git-symbolic-ref', 'HEAD' or die "$!";
my ($bra) = <$fh>;
chomp($bra);
$bra =~ s|^refs/heads/||;
if ($bra ne 'master') {
$bra = " into $bra";
} else {
$bra = "";
}
return $bra;
}
sub shortlog {
my ($tip, $limit) = @_;
my ($fh, @result);
open $fh, '-|', ('git-log', "--max-count=$limit", '--topo-order',
'--pretty=oneline', $tip, '^HEAD')
or die "$!";
while (<$fh>) {
s/^[0-9a-f]{40}\s+//;
push @result, $_;
}
close $fh or die "$!";
return @result;
}
my @origin = ();
while (<>) {
my ($bname, $tname, $gname, $src, $sha1, $origin);
chomp;
s/^([0-9a-f]*) //;
$sha1 = $1;
next if (/^not-for-merge/);
s/^ //;
if (s/ of (.*)$//) {
$src = $1;
} else {
# Pulling HEAD
$src = $_;
$_ = 'HEAD';
}
if (! exists $src{$src}) {
push @src, $src;
$src{$src} = {
BRANCH => [],
TAG => [],
GENERIC => [],
# &1 == has HEAD.
# &2 == has others.
HEAD_STATUS => 0,
};
}
if (/^branch (.*)$/) {
$origin = $1;
push @{$src{$src}{BRANCH}}, $1;
$src{$src}{HEAD_STATUS} |= 2;
}
elsif (/^tag (.*)$/) {
$origin = $_;
push @{$src{$src}{TAG}}, $1;
$src{$src}{HEAD_STATUS} |= 2;
}
elsif (/^HEAD$/) {
$origin = $src;
$src{$src}{HEAD_STATUS} |= 1;
}
else {
push @{$src{$src}{GENERIC}}, $_;
$src{$src}{HEAD_STATUS} |= 2;
$origin = $src;
}
if ($src eq '.' || $src eq $origin) {
$origin =~ s/^'(.*)'$/$1/;
push @origin, [$sha1, "$origin"];
}
else {
push @origin, [$sha1, "$origin of $src"];
}
}
my @msg;
for my $src (@src) {
if ($src{$src}{HEAD_STATUS} == 1) {
# Only HEAD is fetched, nothing else.
push @msg, $src;
next;
}
my @this;
if ($src{$src}{HEAD_STATUS} == 3) {
# HEAD is fetched among others.
push @this, andjoin('', '', ['HEAD']);
}
push @this, andjoin("branch ", "branches ",
$src{$src}{BRANCH});
push @this, andjoin("tag ", "tags ",
$src{$src}{TAG});
push @this, andjoin("commit ", "commits ",
$src{$src}{GENERIC});
my $this = join(', ', @this);
if ($src ne '.') {
$this .= " of $src";
}
push @msg, $this;
}
my $into = current_branch();
print "Merge ", join("; ", @msg), $into, "\n";
if (!repoconfig) {
exit(0);
}
# We limit the merge message to the latst 20 or so per each branch.
my $limit = 20;
for (@origin) {
my ($sha1, $name) = @$_;
my @log = shortlog($sha1, $limit + 1);
if ($limit + 1 <= @log) {
print "\n* $name: (" . scalar(@log) . " commits)\n";
}
else {
print "\n* $name:\n";
}
my $cnt = 0;
for my $log (@log) {
if ($limit < ++$cnt) {
print " ...\n";
last;
}
print " $log";
}
}
|
