3 use warnings FATAL => 'all';
7 use Getopt::Long qw(:config gnu_getopt);
10 "branch=s" => \(my $branch = 'master'),
11 "changelog=s" => \(my $changelog = 'Changes'),
12 ) or die("Error in command line arguments\n");
14 my $version = shift or die "version required!";
16 my $make = $Config{make};
17 my $null = File::Spec->devnull;
19 chomp(my $head = `git symbolic-ref -q HEAD`);
20 (my $current_branch = $head) =~ s{^refs/heads/}{};
21 $head eq "refs/heads/$branch"
22 or die "Current branch is $current_branch, not $branch. EEEK!\n";
23 chomp(my $upstream = `git for-each-ref --format="%(upstream)" $head`);
25 or die "No upstream branch configured for $branch!\n";
27 my (undef, undef, $remote) = split qr{/}, $upstream;
29 my $push_url = `git remote get-url --push $remote`;
32 system(qq[git -c remote.$remote.url="$push_url" fetch]) == 0
35 if (system("git rev-parse --quiet --verify v$version >$null") == 0) {
36 die "Tag v$version already exists!";
39 my $base_rev = `git merge-base $upstream $head`;
40 my $upstream_rev = `git rev-parse --verify $upstream`;
41 $upstream_rev eq $base_rev
42 or die "Not synced with upstream!\n";
44 for (scalar `git diff`) {
45 length && die "Outstanding changes!\n";
48 "%i-%02i-%02i", (gmtime)[5]+1900, (gmtime)[4]+1, (gmtime)[3]
50 my $changes_line = "$version - $ymd\n";
51 my @cached = grep /^\+/, `git diff --cached -U0 --no-prefix`;
52 @cached > 0 or die "Please add:\n\n$changes_line\nto $changelog and stage $changelog (git add $changelog)\n";
53 @cached == 2 or die "All '$changelog' changes must be committed aside from version heading\n";
54 $cached[0] =~ /^\+\+\+ \Q$changelog\E\n/ or die "$changelog not changed\n";
55 $cached[1] eq "+$changes_line" or die "$changelog new line should be: \n\n$changes_line\n";