#!/usr/bin/perl
+# usage: tb-create <patch-spec>
use warnings;
use strict;
use Getopt::Long;
use Topbloke;
+fixme needs update to new metadata;
+
Getopt::Long::Configure(qw(bundling));
die "bad usage\n" unless @ARGV==1;
-our $spec = parse_branch_spec($ARGV[0]);
-our $current = current_tb_branch();
+our $spec = parse_patch_spec($ARGV[0]);
+our $current = current_branch();
-die "cannot make branch starting at base of another;".
- " check out a real branch\n" if $current->{Kind} eq 'base';
+die "cannot make patch starting at base of another;".
+ " check out a real branch or patch\n" if $current->{Kind} eq 'base';
die "strange branch ref $current->{Kind} $current->{Ref},\n".
- " making new branch with this as dep is unwise\n"
+ " making new patch with this as dep is unwise\n"
unless ($current->{Kind} eq 'foreign' ||
$current->{Kind} eq 'tip');
chomp $spec->{Date} or die $!;
}
+defined $spec->{Nick} or die "no patch nickname specified\n";
+
length($spec->{Date})==18 or die "partial date specified, not supported\n";
-fixme check foreign base branch for unwanted topbloke files
+chdir_toplevel();
+
+check_no_unwanted_metadata('HEAD')
+ if $current->{Kind} ne 'tip';
+
+run_git_check_nooutput("cannot create new patch with staged file(s)",
+ qw(diff --cached --name-only HEAD --));
+
+run_git_check_nooutput("cannot create new patch with".
+ " modified metadata file(s)",
+ qw(diff --name-only HEAD -- .topbloke));
+
+# For the metadata files in .topbloke, we hope that the user
+# doesn't modify them. If they do then they get to keep all the pieces.
+#
+# For .topbloke/msg, if it's modified by the user (ie, if working
+# version differs from HEAD) we keep that and stage it.
+
+my $newpatch = "$spec->{Email}\@$spec->{Domain}/$spec->{Date}/$spec->{Nick}";
+
+$newpatch = run_git_1line(qw(check-ref-format --print), $newpatch);
-my $newbranch = "$spec->{Email}\@$spec->{Domain}/$spec->{Date}/$spec->{Nick}";
+my $author = run_git_1line(qw(var GIT_AUTHOR_IDENT));
+$author =~ s/ \d+ [-+]\d+$// or die $!;
-$newbranch = run_git_1line(qw(check-ref-format --print), $newbranch);
+my $subjprefix = git_config('topbloke.subjectprefix', '');
-printf "creating %s\n", $newbranch;
+printf "creating %s\n", $newpatch;
setup_config();
+
+#----- subroutines for setup
+
+sub create_and_switch ($$) {
+ my ($branchref, $what) = @_;
+ enable_reflog($branchref);
+ run_git(qw(update-ref -m), "tb-create $newpatch $what", $branchref, 'HEAD');
+ run_git(qw(symbolic-ref HEAD), $branchref);
+}
+
+sub stage_meta ($) {
+ my ($file) = @_;
+ run_git(qw(add), ".topbloke/$file");
+}
+
+sub meta_and_stage ($$) {
+ my ($file, $contents) = @_;
+ wf_contents(".topbloke/$file", $contents);
+ stage_meta($file);
+}
+
+#----- create the base branch
+
+if (lstat '.topbloke') {
+ -d _ or die;
+} else {
+ mkdir('.topbloke') or die "create .topbloke: $!\n";
+}
+
+my $baseref = "refs/topbloke-bases/$newpatch";
+create_and_switch($baseref, 'base');
+
+meta_and_stage('msg', "# not applicable\n");
+meta_and_stage('deps', "");
+meta_and_stage('props', "patch $current->{Fullname}\n");
+
+if ($current->{Kind} eq 'foreign') {
+ meta_and_stage('included', $current->{DepSpec}."\n");
+ meta_and_stage('pprops', '');
+}
+
+run_git(qw(commit -q -m), "tb-create $newpatch base");
+
+#----- create the tip branch
+
+my $tipref = "refs/topbloke-tips/$newpatch";
+create_and_switch($tipref, 'tip');
+
+my $nm = wf_start('.topbloke/msg');
+wf($nm, "From: $author\n");
+foreach my $h (qw(To CC BCC)) {
+ my $estatus;
+ run_git(\$estatus, sub { wf($nm, "$h: $_") or die $!; },
+ qw(config), "topbloke.".lc $h);
+ die "$h $estatus" unless $estatus==0 || $estatus==256;
+}
+wf($nm, <<END) or die $!;
+Subject: [${subjprefix}PATCH] $spec->{Nick}
+
+<patch description>
+
+Signed-off-by: $author
+END
+wf_done($nm);
+stage_meta('msg');
+
+meta_and_stage('deps', "$current->{DepSpec}\n");
+# we inherit correct props and pprops from the base branch
+
+depsfile_add_dep('included','tb',$newpatch);
+stage_meta('included');
+
+run_git(qw(commit -q -m), "tb-create $newpatch tip");