/usr/sbin/fcm-commit-update is in fcm 2016.12.0-1.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 | #!/usr/bin/perl
# ------------------------------------------------------------------------------
# (C) British Crown Copyright 2006-16 Met Office.
#
# This file is part of FCM, tools for managing and building source code.
#
# FCM is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# FCM is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with FCM. If not, see <http://www.gnu.org/licenses/>.
# ------------------------------------------------------------------------------
use strict;
use warnings;
use FindBin;
use lib "$FindBin::Bin/../lib";
use File::Basename qw{basename};
use File::Spec;
use FCM::Admin::Config;
use FCM::Admin::Runner;
use FCM::Admin::System qw{
distribute_wc
filter_projects
get_projects_from_svn_live
install_svn_hook
};
use FCM::Admin::Util qw{
run_mkpath
run_rmtree
run_svn_info
run_svn_update
write_file
};
use Getopt::Long qw{GetOptions};
use Pod::Usage qw{pod2usage};
use Text::ParseWords qw{shellwords};
# ------------------------------------------------------------------------------
my $CONFIG = FCM::Admin::Config->instance();
my %PATTERN_OF = (
q{} => qr{.*}xms,
SRC_HOOK => qr{svn-hooks/}xms,
);
if (!caller()) {
main(@ARGV);
}
# ------------------------------------------------------------------------------
# The main logic.
sub main {
local(@ARGV) = @_;
my %option;
my $result = GetOptions(
\%option,
q{help|usage|h},
q{force},
);
if (!$result) {
pod2usage(1);
}
if (exists($option{help})) {
pod2usage(q{-verbose} => 1);
}
create_lock() || return;
my $RUNNER = FCM::Admin::Runner->instance();
my $is_force = $option{'force'};
UPDATE:
while (1) {
my @updates;
for my $source_key (shellwords($CONFIG->get_mirror_keys())) {
my $method = "get_$source_key";
push(@updates, run_svn_update($CONFIG->$method()));
}
if (!$is_force && !@updates) {
last UPDATE;
}
if ($is_force || grep {$_ =~ $PATTERN_OF{'SRC_HOOK'}} @updates) {
$RUNNER->run(
'(re-)installing hook scripts',
sub {
for my $project (get_projects_from_svn_live()) {
install_svn_hook($project);
}
return 1;
}
);
}
if ($is_force || grep {$_ =~ $PATTERN_OF{q{}}} @updates) {
$RUNNER->run(
'distributing FCM to standard locations', \&distribute_wc);
}
$is_force = 0;
}
}
# ------------------------------------------------------------------------------
# Creates a lock. Returns true on success. Removes lock when program finishes.
our $LOCK;
sub create_lock {
my $home = (getpwuid($<))[7];
$LOCK = File::Spec->catfile($home, sprintf(".%s.lock", basename($0)));
if (-e $LOCK) {
$LOCK = undef;
return;
}
return run_mkpath($LOCK);
END {
if ($LOCK) {
run_rmtree($LOCK);
}
}
}
__END__
=head1 NAME
fcm-commit-update
=head1 SYNOPSIS
fcm-commit-update
=head1 DESCRIPTION
This program performs the post-commit update for the FCM system. It runs
continuously until no more update is available. It prevent another copy from
running by creating a lock. If another copy detects a lock, it exits without
doing anything.
=head1 OPTIONS
=over 4
=item --force
Force an update.
=back
=head1 ARGUMENTS
=over 4
=item REPOS-NAME
The name of the repository invoking this program.
=item LOG-DIR-PATH
The path to the log directory.
=back
=head1 COPYRIGHT
E<169> Crown copyright Met Office. All rights reserved.
=cut
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