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 $null = File::Spec->devnull;
20 if (system("git rev-parse --quiet --verify v$version >$null") == 0) {
21 die "Tag v$version already exists!";
24 chomp(my $head = `git symbolic-ref -q HEAD`);
25 (my $current_branch = $head) =~ s{^refs/heads/}{};
26 $head eq "refs/heads/$branch"
27 or die "Current branch is $current_branch, not $branch. EEEK!\n";
28 chomp(my $upstream = `git for-each-ref --format="%(upstream)" $head`);
30 or die "No upstream branch configured for $branch!\n";
31 my $base_rev = `git merge-base $upstream $head`;
32 my $upstream_rev = `git rev-parse --verify $upstream`;
33 $upstream_rev eq $base_rev
34 or die "Not synced with upstream!\n";
36 for (scalar `git diff`) {
37 length && die "Outstanding changes!\n";
40 "%i-%02i-%02i", (gmtime)[5]+1900, (gmtime)[4]+1, (gmtime)[3]
42 my $changes_line = "$version - $ymd\n";
43 my @cached = grep /^\+/, `git diff --cached -U0 --no-prefix`;
44 @cached > 0 or die "Please add:\n\n$changes_line\nto $changelog and stage $changelog (git add $changelog)\n";
45 @cached == 2 or die "All '$changelog' changes must be committed aside from version heading\n";
46 $cached[0] =~ /^\+\+\+ \Q$changelog\E\n/ or die "$changelog not changed\n";
47 $cached[1] eq "+$changes_line" or die "$changelog new line should be: \n\n$changes_line\n";