+++ /dev/null
-#!/usr/bin/perl
-
-=comment
-
-Copyright (c) 2003-2010, Andrew Dunstan
-
-See accompanying License file for license details
-
-=cut
-
-use vars qw($VERSION); $VERSION = 'REL_0.1';
-
-use strict;
-use warnings;
-use Fcntl qw(:flock :seek);
-use EximBuild::Options;
-use File::Basename;
-
-my %branch_last;
-sub branch_last_sort;
-
-my $run_build;
-($run_build = $0) =~ s/run_branches/run_build/;
-
-my($run_all, $run_one);
-my %extra_options =(
- 'run-all' => \$run_all,
- 'run-one' => \$run_one,
-);
-
-# process the command line
-EximBuild::Options::fetch_options(%extra_options);
-
-# no non-option args allowed here
-die("$0: non-option arguments not permitted")
- if @ARGV;
-
-die "only one of --run-all and --run-one permitted"
- if ($run_all && $run_one);
-
-die "need one of --run-all and --run-one"
- unless ($run_all || $run_one);
-
-# common mistake
-die "need group searchable homedir"
- unless (stat($ENV{HOME}) & 0550 == 0550);
-
-# set up a "branch" variable for processing the config file
-use vars qw($branch);
-$branch = 'global';
-
-#
-# process config file
-#
-require $buildconf;
-
-unless (
- (
- ref $EximBuild::conf{branches_to_build} eq 'ARRAY'
- &&@{$EximBuild::conf{branches_to_build}}
- )
- ||$EximBuild::conf{branches_to_build} =~
- /^(ALL|HEAD_PLUS_LATEST|HEAD_PLUS_LATEST2)$/
- )
-{
- die "no branches_to_build specified in $buildconf";
-}
-
-my @branches;
-if (ref $EximBuild::conf{branches_to_build})
-{
- @branches = @{$EximBuild::conf{branches_to_build}};
-}
-elsif ($EximBuild::conf{branches_to_build} =~
- /^(ALL|HEAD_PLUS_LATEST|HEAD_PLUS_LATEST2)$/ )
-{
-
- # Need to set the path here so we make sure we pick up the right perl.
- # It has to be the perl that the build script would choose
- # i.e. specially *not* the MinGW SDK perl that is invoked for the
- # build script, which means we need to put the path back the way it was
- # when we're done
- my $save_path = $ENV{PATH};
- $ENV{PATH} = $EximBuild::conf{build_env}->{PATH}
- if ($EximBuild::conf{build_env}->{PATH});
- (my $url = $EximBuild::conf{target}) =~s/cgi-bin.*/branches_of_interest.txt/;
- my $branches_of_interest = `perl -MLWP::Simple -e "getprint(q{$url})"`;
- die "getting branches of interest" unless $branches_of_interest;
- $ENV{PATH} = $save_path;
- push(@branches,$_)foreach (split(/\s+/,$branches_of_interest));
- #splice(@branches,0,-2)
- # if $EximBuild::conf{branches_to_build} eq 'HEAD_PLUS_LATEST';
- #splice(@branches,0,-3)
- # if $EximBuild::conf{branches_to_build} eq 'HEAD_PLUS_LATEST2';
-}
-
-@branches = apply_throttle(@branches);
-
-my $global_lock_dir =
- $EximBuild::conf{global_lock_dir}
- ||$EximBuild::conf{build_root}
- ||'';
-
-unless ($global_lock_dir && -d $global_lock_dir)
-{
- die "no global lock directory: $global_lock_dir";
-}
-
-# acquire the lock
-
-my $lockfile;
-
-my $lockfilename = "$global_lock_dir/GLOBAL.lck";
-
-open($lockfile, ">$lockfilename") || die "opening lockfile: $!";
-
-if ( !flock($lockfile,LOCK_EX|LOCK_NB) )
-{
- print "Another process holds the lock on " ."$lockfilename. Exiting.\n"
- if ($verbose);
- exit(0);
-}
-
-if ($run_all)
-{
- foreach my $brnch(@branches)
- {
- run_branch($brnch);
- }
-}
-elsif ($run_one)
-{
-
- # sort the branches by the order in which they last did actual work
- # then try running them in that order until one does some work
-
- %branch_last = map {$_ => find_last_status($_)} @branches;
- foreach my $brnch(sort branch_last_sort @branches)
- {
- run_branch($brnch);
- my $new_status = find_last_status($brnch);
- last if $new_status != $branch_last{$brnch};
- }
-}
-
-exit 0;
-
-##########################################################
-
-sub run_branch
-{
- my $branch = shift;
- my @args = ($run_build,EximBuild::Options::standard_option_list(), $branch);
-
- # Explicitly use perl from the path (and not this perl, so don't use $^X)
- # This script needs to run on Cygwin with non-cygwin perl if it's running
- # in tandem with AS/MinGW perl, since Cygwin perl doesn't honor locks
- # the samne way, and the global lock fails. But the build script needs
- # to run with the native perl, even on Cygwin, which it picks up from
- # the path. (Head exploding yet?).
- system("perl",@args);
-}
-
-sub branch_last_sort
-{
- return $branch_last{$a} <=> $branch_last{$b};
-}
-
-sub find_last_status
-{
- my $brnch = shift;
- my $status_file =
- "$EximBuild::conf{build_root}/$brnch/$EximBuild::conf{animal}.last.status";
- return 0 unless (-e $status_file);
- my $handle;
- open($handle,$status_file) || dir $!;
- my $ts = <$handle>;
- chomp $ts;
- close($handle);
- return $ts + 0;
-}
-
-sub apply_throttle
-{
- my @branches = @_;
- return @branches unless exists $EximBuild::conf{throttle};
- my @result;
- my %throttle = %{$EximBuild::conf{throttle}};
-
- # implement throttle keywords ALL !HEAD and !RECENT
- my @candidates;
- my $replacement;
- if (exists $throttle{ALL})
- {
- @candidates = @branches;
- $replacement = $throttle{ALL};
- }
- elsif (exists $throttle{'!HEAD'})
- {
- @candidates = grep { $_ ne 'HEAD' } @branches;
- $replacement = $throttle{'!HEAD'};
- }
- elsif (exists $throttle{'!RECENT'})
- {
-
- # sort branches, make sure we get numeric major version sorting right
- my @stable = grep { $_ ne 'HEAD' } @branches;
- s/^REL(\d)_/0$1/ foreach (@stable);
- @stable = sort @stable;
- s/^REL0/REL/ foreach (@stable);
- pop @stable; # remove latest
- @candidates = @stable;
- $replacement = $throttle{'!RECENT'};
- }
- foreach my $cand (@candidates)
- {
-
- # only supply this for the branch if there isn't already
- # a throttle
- $throttle{$cand} ||= $replacement;
- }
-
- # apply throttle filters
- foreach my $branch(@branches)
- {
- my $this_throttle = $throttle{$branch};
- unless (defined $this_throttle)
- {
- push(@result,$branch);
- next;
- }
- my $minh = $this_throttle->{min_hours_since};
- my $ts = find_last_status($branch);
- next
- if ( $ts
- && (defined $minh)
- &&($minh && $minh < ((time - $ts) / 3600.0)));
- if (exists $this_throttle->{allowed_hours})
- {
- my @allowed_hours = split(/,/,$this_throttle->{allowed_hours});
- my $hour = (localtime(time))[2];
- next unless grep {$_ == $hour} @allowed_hours;
- }
- push(@result,$branch);
- }
-
- return @result;
-}