9 Getopt::Long::Configure(qw(bundling));
11 die "bad usage\n" unless @ARGV==1;
13 our $spec = parse_branch_spec($ARGV[0]);
14 our $current = current_tb_branch();
16 die "cannot make branch starting at base of another;".
17 " check out a real branch\n" if $current->{Kind} eq 'base';
19 die "strange branch ref $current->{Kind} $current->{Ref},\n".
20 " making new branch with this as dep is unwise\n"
21 unless ($current->{Kind} eq 'foreign' ||
22 $current->{Kind} eq 'tip');
25 my ($key, $newval, $what) = @_;
26 return if defined $spec->{$key};
27 $spec->{$key} = $newval;
30 if (!defined $spec->{Email} || !defined $spec->{Domain}) {
31 my $eaddr = run_git_1line(qw(config user.email));
32 $eaddr =~ m/^(.*)\@/ or die "$eaddr ?";
33 fillin('Email',$1,'email domain');
34 fillin('Domain',$','email domain'); #');
37 if (!defined $spec->{Date}) {
38 $spec->{Date} = `LC_TIME=C date -u +%Y-%m-%dT%H%M%SZ`;
39 chomp $spec->{Date} or die $!;
42 length($spec->{Date})==18 or die "partial date specified, not supported\n";
44 check_no_unwanted_metadata('HEAD')
45 if $current->{Kind} ne 'tip';
47 run_git_check_nooutput('cannot create new topbloke branch with staged files',
48 qw(diff --cached --name-only HEAD --));
50 # For the metadata files in .topbloke, we hope that the user
51 # doesn't modify them. If they do then they get to keep all the pieces.
53 # For .topbloke/msg, if it's modified by the user (ie, if working
54 # version differs from HEAD) we keep that and stage it.
56 my $newbranch = "$spec->{Email}\@$spec->{Domain}/$spec->{Date}/$spec->{Nick}";
58 $newbranch = run_git_1line(qw(check-ref-format --print), $newbranch);
60 printf "creating %s\n", $newbranch;
65 run_git_test_anyoutput(qw(diff --name-only HEAD -- .topbloke/msg));
67 my $baseref = "refs/topbloke-bases/$newbranch";
68 run_git(qw(update-ref -m), "tb-create base", $baseref, 'HEAD');
70 open GIT, "|-", 'git', qw(update-index --index-info) or die $!;
71 foreach my $file (qw(msg deps)) {
72 run_git(qw(update-index --cacheinfo 0644), $notapplicable_sha1,
77 my $nm = wf_start('.topbloke/msg');
78 my $author = run_git_1line(qw(var GIT_AUTHOR_IDENT));
79 $author =~ s/ \d+ [-+]\d+$//;
80 wf($nm, "From: $author\n");
81 foreach my $h (qw(To CC BCC)) {
83 run_git(\$estatus, sub { wf($nm, "$h: $_") or die $!; },
84 qw(config), "topbloke.".lc $h);
85 die "$h $estatus" unless $estatus==0 || $estatus==256;
87 $subjprefix = git_config('topbloke.subjectprefix', '');
88 wf($n, <END) or die $!;
89 Subject: [${subprefix}PATCH] $spec->{Nick}
93 Signed-off-by: $author
96 run_git(qw(add .topbloke/msg));
97 print " created and staged new .topbloke/msg\n";
100 print " staged your modified .topbloke/msg\n";
101 run_git(qw(add .topbloke/msg));
103 print " left your (partially staged?) .topbloke/msg\n";
107 sub meta_and_stage ($$) {
108 my ($file, $contents) = @_;
109 wf_contents(".topbloke/$file", $contents);
110 run_git(qw(add), ".topbloke/$file");
113 meta_and_stage("deps", $current->{DepSpec}."\n");
114 meta_and_stage("flags", '');
116 if ($current->{Kind} eq 'foreign') {
117 meta_and_stage('included', $current->{DepSpec});