-#!/usr/bin/perl
+#!/usr/bin/env perl
=comment
use strict;
use warnings;
+use 5.010;
+
use Fcntl qw(:flock :seek);
-use EximBuild::Options;
use File::Basename;
+use FindBin qw($RealBin);
+use Cwd;
+
+use lib $RealBin;
+use EximBuild::Options;
+
+sub branch_last_sort;
+# Complain on old-style use (.pl extension), but only if a
+# terminal is available.
if ($0 =~ /(.*)\.pl$/) {
die "$0: Please use `@{[join ' ' => $1, @ARGV]}' instead.\n"
if -t;
exec $1, @ARGV;
}
-my %branch_last;
-sub branch_last_sort;
+# Most of the client code assumes that our working directory
+# is the client code directory.
+my %CALLED = (
+ cwd => cwd(),
+ argv0 => $0,
+ argv => [@ARGV], # get a copy!
+);
+chdir $RealBin or die "$0: Can't chdir to '$RealBin': $!\n";
+#say "Changed working directory to '$RealBin'" if -t;
-my $run_build;
-($run_build = $0) =~ s/run_branches/run_build/;
+my %branch_last;
+my $run_build = './run_build';
my($run_all, $run_one);
my %extra_options =(
die("$0: non-option arguments not permitted")
if @ARGV;
-die "only one of --run-all and --run-one permitted"
+die "$0: only one of --run-all and --run-one permitted"
if ($run_all && $run_one);
-die "need one of --run-all and --run-one"
+die "$0: need one of --run-all and --run-one"
unless ($run_all || $run_one);
# common mistake
-die "need group searchable homedir"
+die "$0: need group searchable homedir"
unless (stat($ENV{HOME}) & 0550 == 0550);
# set up a "branch" variable for processing the config file
#
require $buildconf;
+# Check if auto-update is wanted and possible
+eval {
+ if (not exists $EximBuild::conf{auto_update} or $EximBuild::conf{auto_update})
+ {
+ my $remote = $EximBuild::conf{auto_update} // 'origin';
+
+ die "auto-update not possible: need write permissions in @{[cwd]}\n"
+ if not -w '.';
+
+ # Get information about our remote and calculate the chance for a
+ # successfull auto-update. Based on:
+ # http://stackoverflow.com/questions/3258243/check-if-pull-needed-in-git
+ system("git fetch $remote") == 0 or die "'git fetch $remote' failed\n";
+ my ($upstream, $local, $base) = qx'git rev-parse ...@{upstream}' or die "'git rev-parse' failed\n";
+
+ $base =~ s/^\^//;
+
+ if ($upstream ne $local) {
+
+ if ($base ne $local) {
+ die "the merge base is not local anymore. Refusing to `git pull`\n"
+ }
+
+ # if we're the merge base, the ff-only should work
+ # except if there are local changes. We won't stop, if we
+ # fail to update, but we'll issue a warning
+ system("git pull --ff-only $remote") == 0 or die "git pull --ff-only\n";
+
+ say "re-execute after update";
+ chdir $CALLED{cwd} or die "Can't chdir to $CALLED{cwd}: $!\n";
+ exec $CALLED{argv0}, @{$CALLED{argv}};
+ die "Can't re-exec\n";
+ }
+ }
+};
+
+if ($@) {
+ chomp $@;
+ warn "Automatic updated failed with `$@'\n"
+ ."Continue anyway\n";
+}
+
unless (
(
ref $EximBuild::conf{branches_to_build} eq 'ARRAY'
/^(ALL|HEAD_PLUS_LATEST|HEAD_PLUS_LATEST2)$/ )
{
- # 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
+ # 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}
+ local $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';
@branches = apply_throttle(@branches);
-my $global_lock_dir =
- $EximBuild::conf{global_lock_dir}
- ||$EximBuild::conf{build_root}
- ||'';
+my $global_lock_dir = $EximBuild::conf{global_lock_dir}
+ // $EximBuild::conf{build_root}
+ // die "$0: need global_lock_dir\n";
-unless ($global_lock_dir && -d $global_lock_dir)
-{
- die "no global lock directory: $global_lock_dir";
-}
+die "$0: need r/w permissions for directory '$global_lock_dir'\n"
+ if not -d -w $global_lock_dir;
# acquire the lock
# 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
+ # the same 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);
+ system(perl => @args);
}
sub branch_last_sort
git://git.exim.org / buildfarm-client.git / blobdiff