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#!/usr/bin/perl
# install.pl
#
# Setup script for apt-cacher
#
# Safe to run multiple times; later versions of this script will remove obsolete
# directories or files and not touch required directories or files.
use strict;
use warnings;
use lib '/usr/share/apt-cacher/lib';
umask 0022;
#############################################################################
### configuration ###########################################################
# Include the library for the config file parser
require('apt-cacher.pl');
# Read in the config file and set the necessary variables
our $cfg = eval{ read_config('/etc/apt-cacher/apt-cacher.conf') };
# not sure what to do if we can't read the config file...
die "Could not read config file: $@" if $@;
################################################
# Check that the cache_dir has been set and continue on (note: this should never happen
# because cache_dir is preset to a default value prior to loading the config file)
die "Warning: config file could not be parsed (cache_dir is not set)\n" if ($cfg->{cache_dir} eq '');
my @permcmd;
if ($cfg->{user} && $cfg->{group} ) {
@permcmd = ('chown', "$cfg->{user}:$cfg->{group}");
}
elsif(-e $cfg->{cache_dir}) {
@permcmd = ("chown", "--reference", $cfg->{cache_dir});
}
elsif(my @info=getpwnam("www-data")) {
print "Assuming www-data is the user ID used to run apt-cacher\n";
@permcmd = ("chown", "$info[2]:$info[3]");
}
else {
@permcmd = ("/bin/echo", "User account for apt-cacher/http daemon unknown, please set ownership for the following files manually:");
}
# Create top-level directories
foreach my $dir ($cfg->{cache_dir}, $cfg->{log_dir}) {
if (!-d $dir) {
print "Doing mkdir($dir, 0755)\n";
mkdir($dir, 0755);
system (@permcmd, $dir);
}
if (!-w $dir) {
die "Warning, $dir exists but is not is not writable for apt-cacher!\n";
}
}
# Check rest of installation
check_install();
# Remove these files/directories if they exist (obsolete)
foreach my $rmdir ("$cfg->{cache_dir}/tmp", "$cfg->{cache_dir}/temp", "$cfg->{cache_dir}/head") {
if (-d $rmdir) {
print "Doing 'rm -rf $rmdir' (obsolete)\n";
system("rm -rf $rmdir");
}
}
for ("README", "README.txt") {
my $file=$cfg->{cache_dir}."/$_";
if (-f $file) {
print "Found obsolete file $file - removing.\n";
unlink($file);
}
}
# Run database recovery and reset semaphores
if ($cfg->{checksum}) {
require('apt-cacher-cs.pl');
setup_ownership();
print "Clearing database locks...";
db(1); # Connect without environment lock which runs failchk()
print "Done!\n";
if (my $sem = get_existing_sem()) { # Existing only
print "Clearing semaphore block\n";
$sem->remove;
}
}
exit(0);
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