forked from josch/mmdebstrap
if we got dpkg >= 1.20.0, then we don't have to create certain files and directories ourselves
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e8144b1fbb
commit
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1 changed files with 32 additions and 10 deletions
42
mmdebstrap
42
mmdebstrap
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@ -41,6 +41,7 @@ use POSIX qw(SIGINT SIGHUP SIGPIPE SIGTERM SIG_BLOCK SIG_UNBLOCK);
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use Carp;
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use Term::ANSIColor;
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use Socket;
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use version;
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## no critic (InputOutput::RequireBriefOpen)
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@ -1234,23 +1235,43 @@ sub setup {
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sub run_setup() {
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my $options = shift;
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my $dpkgversion;
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{
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open my $fh, '-|', 'dpkg', '--robot',
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'--version' // error "failed to fork(): $!";
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chomp(
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$dpkgversion = do { local $/; <$fh> }
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);
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close $fh;
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if ($? == 0 and $dpkgversion =~ /^([0-9]+\.[0-9]+\.[0-9]+) \(\S+\)$/) {
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# dpkg is new enough for the --robot option
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$dpkgversion = version->new($1);
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} else {
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$dpkgversion = undef;
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}
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}
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{
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my @directories = (
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'/etc/apt/apt.conf.d', '/etc/apt/sources.list.d',
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'/etc/apt/preferences.d', '/var/cache/apt',
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'/var/lib/apt/lists/partial', '/var/lib/dpkg',
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'/etc/dpkg/dpkg.cfg.d/', '/tmp'
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'/var/lib/apt/lists/partial', '/tmp'
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);
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# we need /var/lib/dpkg in case we need to write to /var/lib/dpkg/arch
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push @directories, '/var/lib/dpkg';
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if (not defined $dpkgversion or $dpkgversion < "1.20.0") {
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push @directories, '/etc/dpkg/dpkg.cfg.d/';
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}
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# if dpkg and apt operate from the outside we need some more
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# directories because dpkg and apt might not even be installed inside
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# the chroot
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if ($options->{mode} eq 'chrootless') {
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push @directories,
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(
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'/var/log/apt', '/var/lib/dpkg/triggers',
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'/var/lib/dpkg/info', '/var/lib/dpkg/alternatives',
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'/var/lib/dpkg/updates'
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);
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push @directories, '/var/log/apt';
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if (not defined $dpkgversion or $dpkgversion < "1.20.0") {
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push @directories, '/var/lib/dpkg/triggers',
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'/var/lib/dpkg/info', '/var/lib/dpkg/alternatives',
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'/var/lib/dpkg/updates';
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}
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}
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foreach my $dir (@directories) {
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if (-e "$options->{root}/$dir") {
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@ -1343,6 +1364,7 @@ sub run_setup() {
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close $fh;
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}
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# apt-get update requires this
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{
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open my $fh, '>', "$options->{root}/var/lib/dpkg/status"
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or error "failed to open(): $!";
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@ -1351,7 +1373,7 @@ sub run_setup() {
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# /var/lib/dpkg/available is required to exist or otherwise package
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# removals will fail
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{
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if (not defined $dpkgversion or $dpkgversion < "1.20.0") {
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open my $fh, '>', "$options->{root}/var/lib/dpkg/available"
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or error "failed to open(): $!";
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close $fh;
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@ -1359,7 +1381,7 @@ sub run_setup() {
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# /var/lib/dpkg/cmethopt is used by dselect
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# see #930788
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{
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if (not defined $dpkgversion or $dpkgversion < "1.20.0") {
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open my $fh, '>', "$options->{root}/var/lib/dpkg/cmethopt"
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or error "failed to open(): $!";
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print $fh "apt apt\n";
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