5 Copyright (c) 2003-2010, Andrew Dunstan
7 See accompanying License file for license details
11 use vars qw($VERSION); $VERSION = 'REL_0.1';
17 use Fcntl qw(:flock :seek);
19 use FindBin qw($RealBin);
23 use EximBuild::Options;
27 # Complain on old-style use (.pl extension), but only if a
28 # terminal is available.
29 if ($0 =~ /(.*)\.pl$/) {
30 die "$0: Please use `@{[join ' ' => $1, @ARGV]}' instead.\n"
35 # Most of the client code assumes that our working directory
36 # is the client code directory.
40 argv => [@ARGV], # get a copy!
42 chdir $RealBin or die "$0: Can't chdir to '$RealBin': $!\n";
43 #say "Changed working directory to '$RealBin'" if -t;
46 my $run_build = './run_build';
48 my($run_all, $run_one);
50 'run-all' => \$run_all,
51 'run-one' => \$run_one,
54 # process the command line
55 EximBuild::Options::fetch_options(%extra_options);
57 # no non-option args allowed here
58 die("$0: non-option arguments not permitted")
61 die "$0: only one of --run-all and --run-one permitted"
62 if ($run_all && $run_one);
64 die "$0: need one of --run-all and --run-one"
65 unless ($run_all || $run_one);
68 die "$0: need group searchable homedir"
69 unless (stat($ENV{HOME}) & 0550 == 0550);
71 # set up a "branch" variable for processing the config file
80 # Check if auto-update is wanted and possible
82 if (not exists $EximBuild::Conf{auto_update} or $EximBuild::Conf{auto_update})
84 my $remote = $EximBuild::Conf{auto_update} // 'origin';
86 die "auto-update not possible: need write permissions in @{[cwd]}\n"
89 # Get information about our remote and calculate the chance for a
90 # successfull auto-update. Based on:
91 # http://stackoverflow.com/questions/3258243/check-if-pull-needed-in-git
92 system("git fetch $remote") == 0 or die "'git fetch $remote' failed\n";
93 my ($upstream, $local, $base) = qx'git rev-parse ...@{upstream}' or die "'git rev-parse' failed\n";
97 if ($upstream ne $local) {
99 if ($base ne $local) {
100 die "the merge base is not local anymore. Refusing to `git pull`\n"
103 # if we're the merge base, the ff-only should work
104 # except if there are local changes. We won't stop, if we
105 # fail to update, but we'll issue a warning
106 system("git pull --ff-only $remote") == 0 or die "git pull --ff-only\n";
108 say "re-execute after update";
109 chdir $CALLED{cwd} or die "Can't chdir to $CALLED{cwd}: $!\n";
110 exec $CALLED{argv0}, @{$CALLED{argv}};
111 die "Can't re-exec\n";
118 warn "Automatic updated failed with `$@'\n"
119 ."Continue anyway\n";
124 ref $EximBuild::conf{branches_to_build} eq 'ARRAY'
125 &&@{$EximBuild::conf{branches_to_build}}
127 ||$EximBuild::conf{branches_to_build} =~
128 /^(ALL|HEAD_PLUS_LATEST|HEAD_PLUS_LATEST2)$/
131 die "no branches_to_build specified in $buildconf";
135 if (ref $EximBuild::conf{branches_to_build})
137 @branches = @{$EximBuild::conf{branches_to_build}};
139 elsif ($EximBuild::conf{branches_to_build} =~
140 /^(ALL|HEAD_PLUS_LATEST|HEAD_PLUS_LATEST2)$/ )
143 # Need to set the path here so we make sure we pick up the right Perl.
144 # It has to be the Perl that the build script would choose
145 # i.e. specially *not* the MinGW SDK perl that is invoked for the
146 # build script, which means we need to put the path back the way it was
148 local $ENV{PATH} = $EximBuild::conf{build_env}->{PATH}
149 if ($EximBuild::conf{build_env}->{PATH});
150 (my $url = $EximBuild::conf{target}) =~s/cgi-bin.*/branches_of_interest.txt/;
151 my $branches_of_interest = `perl -MLWP::Simple -e "getprint(q{$url})"`;
152 die "getting branches of interest" unless $branches_of_interest;
153 push(@branches,$_)foreach (split(/\s+/,$branches_of_interest));
154 #splice(@branches,0,-2)
155 # if $EximBuild::conf{branches_to_build} eq 'HEAD_PLUS_LATEST';
156 #splice(@branches,0,-3)
157 # if $EximBuild::conf{branches_to_build} eq 'HEAD_PLUS_LATEST2';
160 @branches = apply_throttle(@branches);
162 my $global_lock_dir = $EximBuild::conf{global_lock_dir}
163 // $EximBuild::conf{build_root}
164 // die "$0: need global_lock_dir\n";
166 die "$0: need r/w permissions for directory '$global_lock_dir'\n"
167 if not -d -w $global_lock_dir;
173 my $lockfilename = "$global_lock_dir/GLOBAL.lck";
175 open($lockfile, ">$lockfilename") || die "opening lockfile: $!";
177 if ( !flock($lockfile,LOCK_EX|LOCK_NB) )
179 print "Another process holds the lock on " ."$lockfilename. Exiting.\n"
186 foreach my $brnch(@branches)
194 # sort the branches by the order in which they last did actual work
195 # then try running them in that order until one does some work
197 %branch_last = map {$_ => find_last_status($_)} @branches;
198 foreach my $brnch(sort branch_last_sort @branches)
201 my $new_status = find_last_status($brnch);
202 last if $new_status != $branch_last{$brnch};
208 ##########################################################
213 my @args = ($run_build,EximBuild::Options::standard_option_list(), $branch);
215 # Explicitly use perl from the path (and not this perl, so don't use $^X)
216 # This script needs to run on Cygwin with non-cygwin perl if it's running
217 # in tandem with AS/MinGW perl, since Cygwin perl doesn't honor locks
218 # the same way, and the global lock fails. But the build script needs
219 # to run with the native perl, even on Cygwin, which it picks up from
220 # the path. (Head exploding yet?).
221 system(perl => @args);
226 return $branch_last{$a} <=> $branch_last{$b};
233 "$EximBuild::conf{build_root}/$brnch/$EximBuild::conf{animal}.last.status";
234 return 0 unless (-e $status_file);
236 open($handle,$status_file) || dir $!;
246 return @branches unless exists $EximBuild::conf{throttle};
248 my %throttle = %{$EximBuild::conf{throttle}};
250 # implement throttle keywords ALL !HEAD and !RECENT
253 if (exists $throttle{ALL})
255 @candidates = @branches;
256 $replacement = $throttle{ALL};
258 elsif (exists $throttle{'!HEAD'})
260 @candidates = grep { $_ ne 'HEAD' } @branches;
261 $replacement = $throttle{'!HEAD'};
263 elsif (exists $throttle{'!RECENT'})
266 # sort branches, make sure we get numeric major version sorting right
267 my @stable = grep { $_ ne 'HEAD' } @branches;
268 s/^REL(\d)_/0$1/ foreach (@stable);
269 @stable = sort @stable;
270 s/^REL0/REL/ foreach (@stable);
271 pop @stable; # remove latest
272 @candidates = @stable;
273 $replacement = $throttle{'!RECENT'};
275 foreach my $cand (@candidates)
278 # only supply this for the branch if there isn't already
280 $throttle{$cand} ||= $replacement;
283 # apply throttle filters
284 foreach my $branch(@branches)
286 my $this_throttle = $throttle{$branch};
287 unless (defined $this_throttle)
289 push(@result,$branch);
292 my $minh = $this_throttle->{min_hours_since};
293 my $ts = find_last_status($branch);
297 &&($minh && $minh < ((time - $ts) / 3600.0)));
298 if (exists $this_throttle->{allowed_hours})
300 my @allowed_hours = split(/,/,$this_throttle->{allowed_hours});
301 my $hour = (localtime(time))[2];
302 next unless grep {$_ == $hour} @allowed_hours;
304 push(@result,$branch);