topgit -> topbloke

[topbloke.git] / tb-create.pl

diff --git a/tb-create.pl b/tb-create.pl
new file mode 100755 (executable)
index 0000000..d4c9a7e
--- /dev/null
+++ b/tb-create.pl
@@ -0,0 +1,48 @@
+#!/usr/bin/perl
+
+use warnings;
+use strict;
+
+use Getopt::Long;
+use Topbloke;
+
+Getopt::Long::Configure(qw(bundling));
+
+die "bad usage\n" unless @ARGV==1;
+
+our $spec = parse_branch_spec($ARGV[0]);
+our $current = current_tb_branch();
+
+die "cannot make branch starting at base of another;".
+    " check out a real branch\n" if $current->{Kind} eq 'base';
+
+die "strange branch ref $current->{Kind} $current->{Ref},\n".
+    " making new branch with this as dep is unwise\n"
+    unless ($current->{Kind} eq 'foreign' ||
+           $current->{Kind} eq 'tip');
+
+sub fillin ($$$) {
+    my ($key, $newval, $what) = @_;
+    return if defined $spec->{$key};
+    $spec->{$key} = $newval;
+}
+
+if (!defined $spec->{Email} || !defined $spec->{Domain}) {
+    my $eaddr = run_git_1line(qw(config user.email));
+    $eaddr =~ m/^(.*)\@/ or die "$eaddr ?";
+    fillin('Email',$1,'email domain');
+    fillin('Domain',$','email domain'); #');
+}
+
+if (!defined $spec->{Date}) {
+    $spec->{Date} = `LC_TIME=C date -u +%Y-%m-%dT%H%M%SZ`;
+    chomp $spec->{Date} or die $!;
+}
+
+length($spec->{Date})==18 or die "partial date specified, not supported\n";
+
+my $newbranch = "$spec->{Email}\@$spec->{Domain}/$spec->{Date}/$spec->{Nick}";
+
+$newbranch = run_git_1line(qw(check-ref-format --print), $newbranch);
+
+printf "creating %s\n", $newbranch;