forked from josch/mmdebstrap
Add chrootless mode and extract and custom variants
This commit is contained in:
parent
07f0e53081
commit
7534a7607f
GPG key ID:
F2CBA5C78FBD83E1
1 changed files with 447 additions and 366 deletions
813
mmdebstrap
813
mmdebstrap
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@ -586,11 +586,22 @@ sub setup {
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print $conf "Dir::Etc::TrustedParts \"/etc/apt/trusted.gpg.d\";\n";
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print $conf "Dir::Etc::TrustedParts \"/etc/apt/trusted.gpg.d\";\n";
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close $conf;
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close $conf;
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foreach my $dir ('/etc/apt/apt.conf.d', '/etc/apt/sources.list.d',
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{
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'/etc/apt/preferences.d', '/var/cache/apt',
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my @directories = ('/etc/apt/apt.conf.d', '/etc/apt/sources.list.d',
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'/var/lib/apt/lists/partial', '/var/lib/dpkg',
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'/etc/apt/preferences.d', '/var/cache/apt',
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'/etc/dpkg/dpkg.cfg.d/') {
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'/var/lib/apt/lists/partial', '/var/lib/dpkg',
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make_path("$options->{root}/$dir") or die "failed to create $dir: $!";
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'/etc/dpkg/dpkg.cfg.d/');
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# if dpkg and apt operate from the outside we need some more
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# directories because dpkg and apt might not even be installed inside
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# the chroot
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if ($options->{mode} eq 'chrootless') {
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push @directories, ('/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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foreach my $dir (@directories) {
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make_path("$options->{root}/$dir") or die "failed to create $dir: $!";
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}
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}
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}
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# We put certain configuration items in their own configuration file
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# We put certain configuration items in their own configuration file
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@ -638,6 +649,8 @@ sub setup {
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}
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}
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if (scalar @{$options->{dpkgopts}} > 0) {
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if (scalar @{$options->{dpkgopts}} > 0) {
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# FIXME: in chrootless mode, dpkg will only read the configuration
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# from the host
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open my $fh, '>', "$options->{root}/etc/dpkg/dpkg.cfg.d/99mmdebstrap" or die "cannot open /etc/dpkg/dpkg.cfg.d/99mmdebstrap: $!";
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open my $fh, '>', "$options->{root}/etc/dpkg/dpkg.cfg.d/99mmdebstrap" or die "cannot open /etc/dpkg/dpkg.cfg.d/99mmdebstrap: $!";
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foreach my $opt (@{$options->{dpkgopts}}) {
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foreach my $opt (@{$options->{dpkgopts}}) {
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if (-r $opt) {
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if (-r $opt) {
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@ -673,6 +686,36 @@ sub setup {
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close $fh;
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close $fh;
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}
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}
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# allow network access from within
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copy("/etc/resolv.conf", "$options->{root}/etc/resolv.conf") or die "cannot copy /etc/resolv.conf: $!";
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copy("/etc/hostname", "$options->{root}/etc/hostname") or die "cannot copy /etc/hostname: $!";
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if ($options->{havemknod}) {
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foreach my $file (@devfiles) {
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my ($fname, $mode, $type, $linkname, $devmajor, $devminor) = @{$file};
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if ($type == 0) { # normal file
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die "type 0 not implemented";
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} elsif ($type == 1) { # hardlink
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die "type 1 not implemented";
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} elsif ($type == 2) { # symlink
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symlink $linkname, "$options->{root}/$fname" or die "cannot create symlink $fname";
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next; # chmod cannot work on symlinks
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} elsif ($type == 3) { # character special
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0 == system('mknod', "$options->{root}/$fname", 'c', $devmajor, $devminor) or die "mknod failed: $?";
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} elsif ($type == 4) { # block special
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0 == system('mknod', "$options->{root}/$fname", 'b', $devmajor, $devminor) or die "mknod failed: $?";
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} elsif ($type == 5) { # directory
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make_path "$options->{root}/$fname", { error => \my $err };
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if (@$err) {
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die "cannot create $fname";
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}
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} else {
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die "unsupported type: $type";
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}
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chmod $mode, "$options->{root}/$fname" or die "cannot chmod $fname: $!";
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}
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}
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# we tell apt about the configuration via a config file passed via the
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# we tell apt about the configuration via a config file passed via the
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# APT_CONFIG environment variable instead of using the --option command
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# APT_CONFIG environment variable instead of using the --option command
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# line arguments because configuration settings like Dir::Etc have already
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# line arguments because configuration settings like Dir::Etc have already
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@ -713,7 +756,30 @@ sub setup {
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# apt and libapt treats apt as essential. If we want to install less
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# apt and libapt treats apt as essential. If we want to install less
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# (essential variant) then we have to compute the package set ourselves.
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# (essential variant) then we have to compute the package set ourselves.
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# Same if we want to install priority based variants.
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# Same if we want to install priority based variants.
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if (any { $_ eq $options->{variant} } ('essential', 'standard', 'important', 'required', 'buildd', 'minbase')) {
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if (any { $_ eq $options->{variant} } ('extract', 'custom')) {
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print STDERR "I: downloading packages with apt...\n";
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run_apt_progress ('apt-get', '--yes',
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'-oApt::Get::Download-Only=true',
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'install', keys %pkgs_to_install);
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} elsif ($options->{variant} eq 'apt') {
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# if we just want to install Essential:yes packages, apt and their
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# dependencies then we can make use of libapt treating apt as
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# implicitly essential. An upgrade with the (currently) empty status
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# file will trigger an installation of the essential packages plus apt.
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#
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# 2018-09-02, #debian-dpkg on OFTC, times in UTC+2
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# 23:39 < josch> I'll just put it in my script and if it starts
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# breaking some time I just say it's apt's fault. :P
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# 23:42 < DonKult> that is how it usually works, so yes, do that :P (<-
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# and please add that line next to it so you can
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# remind me in 5+ years that I said that after I wrote
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# in the bugreport: "Are you crazy?!? Nobody in his
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# right mind would even suggest depending on it!")
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print STDERR "I: downloading packages with apt...\n";
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run_apt_progress ('apt-get', '--yes',
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'-oApt::Get::Download-Only=true',
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'dist-upgrade');
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} elsif (any { $_ eq $options->{variant} } ('essential', 'standard', 'important', 'required', 'buildd', 'minbase')) {
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my %ess_pkgs;
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my %ess_pkgs;
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open(my $pipe_apt, '-|', 'apt-get', 'indextargets', '--format', '$(FILENAME)', 'Created-By: Packages') or die "cannot start apt-get indextargets: $!";
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open(my $pipe_apt, '-|', 'apt-get', 'indextargets', '--format', '$(FILENAME)', 'Created-By: Packages') or die "cannot start apt-get indextargets: $!";
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while (my $fname = <$pipe_apt>) {
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while (my $fname = <$pipe_apt>) {
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@ -790,24 +856,6 @@ sub setup {
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run_apt_progress ('apt-get', '--yes',
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run_apt_progress ('apt-get', '--yes',
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'-oApt::Get::Download-Only=true',
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'-oApt::Get::Download-Only=true',
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'install', keys %ess_pkgs);
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'install', keys %ess_pkgs);
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} elsif ($options->{variant} eq 'apt') {
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# if we just want to install Essential:yes packages, apt and their
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# dependencies then we can make use of libapt treating apt as
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# implicitly essential. An upgrade with the (currently) empty status
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# file will trigger an installation of the essential packages plus apt.
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#
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# 2018-09-02, #debian-dpkg on OFTC, times in UTC+2
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# 23:39 < josch> I'll just put it in my script and if it starts
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# breaking some time I just say it's apt's fault. :P
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# 23:42 < DonKult> that is how it usually works, so yes, do that :P (<-
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# and please add that line next to it so you can
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# remind me in 5+ years that I said that after I wrote
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# in the bugreport: "Are you crazy?!? Nobody in his
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# right mind would even suggest depending on it!")
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print STDERR "I: downloading packages with apt...\n";
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run_apt_progress ('apt-get', '--yes',
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'-oApt::Get::Download-Only=true',
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'dist-upgrade');
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} else {
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} else {
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die "unknown variant: $options->{variant}";
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die "unknown variant: $options->{variant}";
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}
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}
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@ -841,345 +889,346 @@ sub setup {
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die "nothing got downloaded";
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die "nothing got downloaded";
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}
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}
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print STDERR "I: extracting archives...\n";
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if ($options->{mode} eq 'chrootless') {
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print_progress 0.0;
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print STDERR "I: installing packages...\n";
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my $counter = 0;
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# FIXME: the dpkg config from the host is parsed before the command
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my $total = scalar @essential_pkgs;
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# line arguments are parsed and might break this mode
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foreach my $deb (@essential_pkgs) {
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my @chrootless_opts = (
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$counter += 1;
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'-oDPkg::Options::=--force-not-root',
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# not using dpkg-deb --extract as that would replace the
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'-oDPkg::Options::=--force-script-chrootless',
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# merged-usr symlinks with plain directories
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'-oDPkg::Options::=--root=' . $options->{root},
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pipe my $rfh, my $wfh;
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'-oDPkg::Options::=--log=' . "$options->{root}/var/log/dpkg.log");
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my $pid1 = fork() // die "fork() failed: $!";
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run_apt_progress ('apt-get', '--yes', @chrootless_opts,
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if ($pid1 == 0) {
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'install', (map { "$options->{root}/$_" } @essential_pkgs));
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open(STDOUT, '>&', $wfh);
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if (any { $_ eq $options->{variant} } ('extract', 'custom')) {
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exec 'dpkg-deb', '--fsys-tarfile', "$options->{root}/$deb";
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# nothing to do
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}
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} elsif (any { $_ eq $options->{variant} } ('essential', 'apt', 'standard', 'important', 'required', 'buildd', 'minbase')) {
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my $pid2 = fork() // die "fork() failed: $!";
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if (%pkgs_to_install) {
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if ($pid2 == 0) {
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run_apt_progress ('apt-get', '--yes', @chrootless_opts,
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open(STDIN, '<&', $rfh);
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'install', keys %pkgs_to_install);
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exec 'tar', '-C', $options->{root}, '--keep-directory-symlink', '--extract', '--file', '-';
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}
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waitpid($pid1, 0);
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$? == 0 or die "dpkg-deb --fsys-tarfile failed: $?";
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waitpid($pid2, 0);
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$? == 0 or die "tar --extract failed: $?";
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print_progress ($counter/$total*100);
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}
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print_progress "done";
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if ($options->{mode} eq 'fakechroot') {
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# FIXME: if trouble arises, look into /etc/fakechroot/*.env for
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# more interesting variables to set
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$ENV{FAKECHROOT_CMD_SUBST} = join ':', (
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'/bin/mount=/bin/true',
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'/usr/bin/ldd=/usr/bin/ldd.fakechroot',
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'/usr/bin/mkfifo=/bin/true',
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'/usr/sbin/ldconfig=/bin/true',
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);
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}
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# make sure that APT_CONFIG is not set when executing anything inside the
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# chroot
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my @chrootcmd = ('env', '--unset=APT_CONFIG');
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if ($options->{mode} eq 'proot') {
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# FIXME: proot currently cannot install apt because of https://github.com/proot-me/PRoot/issues/147
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push @chrootcmd, ('proot', '--root-id', '--bind=/dev', "--rootfs=$options->{root}", '--cwd=/');
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} elsif (any { $_ eq $options->{mode} } ('root', 'unshare', 'fakechroot')) {
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push @chrootcmd, ('/usr/sbin/chroot', $options->{root});
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} else {
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die "unknown mode: $options->{mode}";
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}
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# copy qemu-user-static binary into chroot or setup proot with --qemu
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if (defined $options->{qemu}) {
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if ($options->{mode} eq 'proot') {
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push @chrootcmd, "--qemu=qemu-$options->{qemu}";
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} elsif ($options->{mode} eq 'fakechroot') {
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# The binfmt support on the outside is used, so qemu needs to know
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# where it has to look for shared libraries
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$ENV{QEMU_LD_PREFIX} = $options->{root};
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# Make sure that the fakeroot and fakechroot shared libraries
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# exist for the right architecture
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open my $fh, '-|', 'dpkg-architecture', '-a', $options->{nativearch}, '-qDEB_HOST_MULTIARCH' // die "failed to fork(): $!";
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chomp (my $deb_host_multiarch = do { local $/; <$fh> });
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close $fh;
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if ($? != 0 or !$deb_host_multiarch) {
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die "dpkg-architecture failed: $?";
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}
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}
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my $fakechrootdir = "/usr/lib/$deb_host_multiarch/fakechroot";
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if (!-e "$fakechrootdir/libfakechroot.so") {
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die "$fakechrootdir/libfakechroot.so doesn't exist. Install libfakechroot:$options->{nativearch} outside the chroot";
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}
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my $fakerootdir = "/usr/lib/$deb_host_multiarch/libfakeroot";
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if (!-e "$fakerootdir/libfakeroot-sysv.so") {
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die "$fakerootdir/libfakeroot-sysv.so doesn't exist. Install libfakeroot:$options->{nativearch} outside the chroot";
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}
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# fakechroot only fills LD_LIBRARY_PATH with the directories of
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# the host's architecture. We append the directories of the chroot
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# architecture.
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$ENV{LD_LIBRARY_PATH} .= ":$fakechrootdir:$fakerootdir";
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} elsif (any { $_ eq $options->{mode} } ('root', 'unshare')) {
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# other modes require a static qemu-user binary
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my $qemubin = "/usr/bin/qemu-$options->{qemu}-static";
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if (!-e $qemubin) {
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die "cannot find $qemubin";
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}
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copy $qemubin, "$options->{root}/$qemubin" or die "cannot copy $qemubin: $!";
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} else {
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} else {
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die "unknown mode: $options->{mode}";
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die "unknown variant: $options->{variant}";
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}
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}
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}
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} elsif (any { $_ eq $options->{mode} } ('root', 'unshare', 'fakechroot', 'proot')) {
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print STDERR "I: extracting archives...\n";
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print_progress 0.0;
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my $counter = 0;
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my $total = scalar @essential_pkgs;
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foreach my $deb (@essential_pkgs) {
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$counter += 1;
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# not using dpkg-deb --extract as that would replace the
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# merged-usr symlinks with plain directories
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pipe my $rfh, my $wfh;
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my $pid1 = fork() // die "fork() failed: $!";
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if ($pid1 == 0) {
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open(STDOUT, '>&', $wfh);
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exec 'dpkg-deb', '--fsys-tarfile', "$options->{root}/$deb";
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}
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my $pid2 = fork() // die "fork() failed: $!";
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if ($pid2 == 0) {
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open(STDIN, '<&', $rfh);
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exec 'tar', '-C', $options->{root}, '--keep-directory-symlink', '--extract', '--file', '-';
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}
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waitpid($pid1, 0);
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$? == 0 or die "dpkg-deb --fsys-tarfile failed: $?";
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waitpid($pid2, 0);
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$? == 0 or die "tar --extract failed: $?";
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print_progress ($counter/$total*100);
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}
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print_progress "done";
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if ($options->{havemknod}) {
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if ($options->{variant} eq 'extract') {
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foreach my $file (@devfiles) {
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# nothing else to do
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my ($fname, $mode, $type, $linkname, $devmajor, $devminor) = @{$file};
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} elsif (any { $_ eq $options->{variant} } ('custom', 'essential', 'apt', 'standard', 'important', 'required', 'buildd', 'minbase')) {
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if ($type == 0) { # normal file
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if ($options->{mode} eq 'fakechroot') {
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die "type 0 not implemented";
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# FIXME: if trouble arises, look into /etc/fakechroot/*.env for
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} elsif ($type == 1) { # hardlink
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# more interesting variables to set
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die "type 1 not implemented";
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$ENV{FAKECHROOT_CMD_SUBST} = join ':', (
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} elsif ($type == 2) { # symlink
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'/bin/mount=/bin/true',
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symlink $linkname, "$options->{root}/$fname" or die "cannot create symlink $fname";
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'/usr/bin/ldd=/usr/bin/ldd.fakechroot',
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next; # chmod cannot work on symlinks
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'/usr/bin/mkfifo=/bin/true',
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} elsif ($type == 3) { # character special
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'/usr/sbin/ldconfig=/bin/true',
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0 == system('mknod', "$options->{root}/$fname", 'c', $devmajor, $devminor) or die "mknod failed: $?";
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);
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} elsif ($type == 4) { # block special
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}
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0 == system('mknod', "$options->{root}/$fname", 'b', $devmajor, $devminor) or die "mknod failed: $?";
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} elsif ($type == 5) { # directory
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# make sure that APT_CONFIG is not set when executing anything inside the
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make_path "$options->{root}/$fname", { error => \my $err };
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# chroot
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if (@$err) {
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my @chrootcmd = ('env', '--unset=APT_CONFIG');
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die "cannot create $fname";
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if ($options->{mode} eq 'proot') {
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||||||
}
|
# FIXME: proot currently cannot install apt because of https://github.com/proot-me/PRoot/issues/147
|
||||||
|
push @chrootcmd, ('proot', '--root-id', '--bind=/dev', "--rootfs=$options->{root}", '--cwd=/');
|
||||||
|
} elsif (any { $_ eq $options->{mode} } ('root', 'unshare', 'fakechroot')) {
|
||||||
|
push @chrootcmd, ('/usr/sbin/chroot', $options->{root});
|
||||||
} else {
|
} else {
|
||||||
die "unsupported type: $type";
|
die "unknown mode: $options->{mode}";
|
||||||
}
|
}
|
||||||
chmod $mode, "$options->{root}/$fname" or die "cannot chmod $fname: $!";
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
# install the extracted packages properly
|
# copy qemu-user-static binary into chroot or setup proot with --qemu
|
||||||
# we need --force-depends because dpkg does not take Pre-Depends into
|
if (defined $options->{qemu}) {
|
||||||
# account and thus doesn't install them in the right order
|
if ($options->{mode} eq 'proot') {
|
||||||
print STDERR "I: installing packages...\n";
|
push @chrootcmd, "--qemu=qemu-$options->{qemu}";
|
||||||
run_dpkg_progress [@essential_pkgs], @chrootcmd, 'dpkg', '--install', '--force-depends';
|
} elsif ($options->{mode} eq 'fakechroot') {
|
||||||
|
# The binfmt support on the outside is used, so qemu needs to know
|
||||||
# if the path-excluded option was added to the dpkg config, reinstall all
|
# where it has to look for shared libraries
|
||||||
# packages
|
$ENV{QEMU_LD_PREFIX} = $options->{root};
|
||||||
if (-e "$options->{root}/etc/dpkg/dpkg.cfg.d/99mmdebstrap") {
|
# Make sure that the fakeroot and fakechroot shared libraries
|
||||||
open(my $fh, '<', "$options->{root}/etc/dpkg/dpkg.cfg.d/99mmdebstrap") or die "cannot open /etc/dpkg/dpkg.cfg.d/99mmdebstrap: $!";
|
# exist for the right architecture
|
||||||
my $num_matches = grep /^path-exclude=/, <$fh>;
|
open my $fh, '-|', 'dpkg-architecture', '-a', $options->{nativearch}, '-qDEB_HOST_MULTIARCH' // die "failed to fork(): $!";
|
||||||
close $fh;
|
chomp (my $deb_host_multiarch = do { local $/; <$fh> });
|
||||||
if ($num_matches > 0) {
|
|
||||||
# without --skip-same-version, dpkg will install the given
|
|
||||||
# packages even though they are already installed
|
|
||||||
print STDERR "I: re-installing packages because of path-exclude...\n";
|
|
||||||
run_dpkg_progress [@essential_pkgs], @chrootcmd, 'dpkg', '--install';
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
foreach my $deb (@essential_pkgs) {
|
|
||||||
unlink "$options->{root}/$deb" or die "cannot unlink $deb";
|
|
||||||
}
|
|
||||||
|
|
||||||
if (%pkgs_to_install) {
|
|
||||||
# some packages have to be installed from the outside before anything
|
|
||||||
# can be installed from the inside.
|
|
||||||
#
|
|
||||||
# we do not need to install any *-archive-keyring packages inside the
|
|
||||||
# chroot prior to installing the packages, because the keyring is only
|
|
||||||
# used when doing "apt-get update" and that was already done at the
|
|
||||||
# beginning using key material from the outside. Since the apt cache
|
|
||||||
# is already filled and we are not calling "apt-get update" again, the
|
|
||||||
# keyring can be installed later during installation. But: if it's not
|
|
||||||
# installed during installation, then we might end up with a fully
|
|
||||||
# installed system without keyrings that are valid for its
|
|
||||||
# sources.list.
|
|
||||||
my %pkgs_to_install_from_outside;
|
|
||||||
|
|
||||||
# install apt if necessary
|
|
||||||
if ($options->{variant} ne 'apt') {
|
|
||||||
$pkgs_to_install_from_outside{apt} = ();
|
|
||||||
}
|
|
||||||
|
|
||||||
# since apt will be run inside the chroot, make sure that
|
|
||||||
# apt-transport-https and ca-certificates gets installed first if any
|
|
||||||
# mirror is a https URI
|
|
||||||
open(my $pipe_apt, '-|', 'apt-get', 'indextargets', '--format', '$(URI)', 'Created-By: Packages') or die "cannot start apt-get indextargets: $!";
|
|
||||||
while (my $uri = <$pipe_apt>) {
|
|
||||||
if ($uri =~ /^https:\/\//) {
|
|
||||||
# FIXME: support for https is part of apt >= 1.5
|
|
||||||
$pkgs_to_install_from_outside{'apt-transport-https'} = ();
|
|
||||||
$pkgs_to_install_from_outside{'ca-certificates'} = ();
|
|
||||||
last;
|
|
||||||
} elsif ($uri =~ /^tor(\+[a-z]+)*:\/\//) {
|
|
||||||
# tor URIs can be tor+http://, tor+https:// or even
|
|
||||||
# tor+mirror+file://
|
|
||||||
$pkgs_to_install_from_outside{'apt-transport-tor'} = ();
|
|
||||||
last;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
close $pipe_apt;
|
|
||||||
$? == 0 or die "apt-get indextargets failed";
|
|
||||||
|
|
||||||
if (%pkgs_to_install_from_outside) {
|
|
||||||
print STDERR 'I: downloading ' . (join ', ', keys %pkgs_to_install_from_outside) . "...\n";
|
|
||||||
run_apt_progress ('apt-get', '--yes',
|
|
||||||
'-oApt::Get::Download-Only=true',
|
|
||||||
'install', (keys %pkgs_to_install_from_outside));
|
|
||||||
my @debs_to_install;
|
|
||||||
my $apt_archives = "/var/cache/apt/archives/";
|
|
||||||
opendir my $dh, "$options->{root}/$apt_archives" or die "cannot read $apt_archives";
|
|
||||||
while (my $deb = readdir $dh) {
|
|
||||||
if ($deb !~ /\.deb$/) {
|
|
||||||
next;
|
|
||||||
}
|
|
||||||
$deb = "$apt_archives/$deb";
|
|
||||||
if (!-f "$options->{root}/$deb") {
|
|
||||||
next;
|
|
||||||
}
|
|
||||||
push @debs_to_install, $deb;
|
|
||||||
}
|
|
||||||
close $dh;
|
|
||||||
if (scalar @debs_to_install == 0) {
|
|
||||||
die "nothing got downloaded";
|
|
||||||
}
|
|
||||||
# we need --force-depends because dpkg does not take Pre-Depends
|
|
||||||
# into account and thus doesn't install them in the right order
|
|
||||||
print STDERR 'I: installing ' . (join ', ', keys %pkgs_to_install_from_outside) . "...\n";
|
|
||||||
run_dpkg_progress [@debs_to_install], @chrootcmd, 'dpkg', '--install', '--force-depends';
|
|
||||||
foreach my $deb (@debs_to_install) {
|
|
||||||
unlink "$options->{root}/$deb" or die "cannot unlink $deb";
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
# if more than essential should be installed, make the system look
|
|
||||||
# more like a real one by creating or bind-mounting the device nodes
|
|
||||||
foreach my $file (@devfiles) {
|
|
||||||
my ($fname, $mode, $type, $linkname, $devmajor, $devminor) = @{$file};
|
|
||||||
next if $fname eq './dev/';
|
|
||||||
if ($type == 0) { # normal file
|
|
||||||
die "type 0 not implemented";
|
|
||||||
} elsif ($type == 1) { # hardlink
|
|
||||||
die "type 1 not implemented";
|
|
||||||
} elsif ($type == 2) { # symlink
|
|
||||||
if (!$options->{havemknod}) {
|
|
||||||
symlink $linkname, "$options->{root}/$fname" or die "cannot create symlink $fname";
|
|
||||||
}
|
|
||||||
} elsif ($type == 3 or $type == 4) { # character/block special
|
|
||||||
if (!$options->{havemknod}) {
|
|
||||||
open my $fh, '>', "$options->{root}/$fname" or die "cannot open $options->{root}/$fname: $!";
|
|
||||||
close $fh;
|
close $fh;
|
||||||
0 == system('mount', '-o', 'bind', "/$fname", "$options->{root}/$fname") or die "mount failed: $?";
|
if ($? != 0 or !$deb_host_multiarch) {
|
||||||
}
|
die "dpkg-architecture failed: $?";
|
||||||
} elsif ($type == 5) { # directory
|
|
||||||
if (!$options->{havemknod}) {
|
|
||||||
make_path "$options->{root}/$fname";
|
|
||||||
chmod $mode, "$options->{root}/$fname" or die "cannot chmod $fname: $!";
|
|
||||||
}
|
|
||||||
0 == system('mount', '-o', 'bind', "/$fname", "$options->{root}/$fname") or die "mount failed: $?";
|
|
||||||
} else {
|
|
||||||
die "unsupported type: $type";
|
|
||||||
}
|
|
||||||
}
|
|
||||||
# We can only mount /proc and /sys after extracting the essential
|
|
||||||
# set because if we mount it before, then base-files will not be able
|
|
||||||
# to extract those
|
|
||||||
if ($options->{mode} eq 'unshare') {
|
|
||||||
# without the network namespace unshared, we cannot mount a new
|
|
||||||
# sysfs. Since we need network, we just bind-mount.
|
|
||||||
#
|
|
||||||
# we have to rbind because just using bind results in "wrong fs
|
|
||||||
# type, bad option, bad superblock" error
|
|
||||||
0 == system('mount', '-o', 'rbind', '/sys', "$options->{root}/sys") or die "mount failed: $?";
|
|
||||||
} elsif (any { $_ eq $options->{mode} } ('root', 'fakechroot', 'proot')) {
|
|
||||||
0 == system('mount', '-t', 'sysfs', '-o', 'nosuid,nodev,noexec', 'sys', "$options->{root}/sys") or die "mount failed: $?";
|
|
||||||
} else {
|
|
||||||
die "unknown mode: $options->{mode}";
|
|
||||||
}
|
|
||||||
0 == system('mount', '-t', 'proc', 'proc', "$options->{root}/proc") or die "mount failed: $?";
|
|
||||||
|
|
||||||
# prevent daemons from starting
|
|
||||||
{
|
|
||||||
open my $fh, '>', "$options->{root}/usr/sbin/policy-rc.d" or die "cannot open policy-rc.d: $!";
|
|
||||||
print $fh "#!/bin/sh\n";
|
|
||||||
print $fh "exit 101\n";
|
|
||||||
close $fh;
|
|
||||||
chmod 0755, "$options->{root}/usr/sbin/policy-rc.d" or die "cannot chmod policy-rc.d: $!";
|
|
||||||
}
|
|
||||||
|
|
||||||
{
|
|
||||||
move("$options->{root}/sbin/start-stop-daemon", "$options->{root}/sbin/start-stop-daemon.REAL") or die "cannot move start-stop-daemon";
|
|
||||||
open my $fh, '>', "$options->{root}/sbin/start-stop-daemon" or die "cannot open policy-rc.d: $!";
|
|
||||||
print $fh "#!/bin/sh\n";
|
|
||||||
print $fh "echo \"Warning: Fake start-stop-daemon called, doing nothing\">&2\n";
|
|
||||||
close $fh;
|
|
||||||
chmod 0755, "$options->{root}/sbin/start-stop-daemon" or die "cannot chmod start-stop-daemon: $!";
|
|
||||||
}
|
|
||||||
|
|
||||||
# allow network access from within
|
|
||||||
copy("/etc/resolv.conf", "$options->{root}/etc/resolv.conf") or die "cannot copy /etc/resolv.conf: $!";
|
|
||||||
copy("/etc/hostname", "$options->{root}/etc/hostname") or die "cannot copy /etc/hostname: $!";
|
|
||||||
|
|
||||||
print STDERR "I: installing remaining packages inside the chroot...\n";
|
|
||||||
run_apt_progress @chrootcmd, 'apt-get', '--yes', 'install', keys %pkgs_to_install;
|
|
||||||
|
|
||||||
# cleanup
|
|
||||||
move("$options->{root}/sbin/start-stop-daemon.REAL", "$options->{root}/sbin/start-stop-daemon") or die "cannot move start-stop-daemon";
|
|
||||||
unlink "$options->{root}/usr/sbin/policy-rc.d" or die "cannot unlink policy-rc.d";
|
|
||||||
|
|
||||||
foreach my $file (@devfiles) {
|
|
||||||
my ($fname, undef, $type, $linkname, undef, undef) = @{$file};
|
|
||||||
next if $fname eq './dev/';
|
|
||||||
if ($type == 0) { # normal file
|
|
||||||
die "type 0 not implemented";
|
|
||||||
} elsif ($type == 1) { # hardlink
|
|
||||||
die "type 1 not implemented";
|
|
||||||
} elsif ($type == 2) { # symlink
|
|
||||||
if (!$options->{havemknod}) {
|
|
||||||
unlink "$options->{root}/$fname" or die "cannot unlink $fname: $!";
|
|
||||||
}
|
|
||||||
} elsif ($type == 3 or $type == 4) { # character/block special
|
|
||||||
if (!$options->{havemknod}) {
|
|
||||||
if ($options->{mode} eq 'unshare') {
|
|
||||||
0 == system('umount', '--no-mtab', "$options->{root}/$fname") or die "umount failed: $?";
|
|
||||||
} elsif (any { $_ eq $options->{mode} } ('root', 'fakechroot', 'proot')) {
|
|
||||||
0 == system('umount', "$options->{root}/$fname") or die "umount failed: $?";
|
|
||||||
} else {
|
|
||||||
die "unknown mode: $options->{mode}";
|
|
||||||
}
|
}
|
||||||
unlink "$options->{root}/$fname";
|
my $fakechrootdir = "/usr/lib/$deb_host_multiarch/fakechroot";
|
||||||
}
|
if (!-e "$fakechrootdir/libfakechroot.so") {
|
||||||
} elsif ($type == 5) { # directory
|
die "$fakechrootdir/libfakechroot.so doesn't exist. Install libfakechroot:$options->{nativearch} outside the chroot";
|
||||||
if ($options->{mode} eq 'unshare') {
|
}
|
||||||
0 == system('umount', '--no-mtab', "$options->{root}/$fname") or die "umount failed: $?";
|
my $fakerootdir = "/usr/lib/$deb_host_multiarch/libfakeroot";
|
||||||
} elsif (any { $_ eq $options->{mode} } ('root', 'fakechroot', 'proot')) {
|
if (!-e "$fakerootdir/libfakeroot-sysv.so") {
|
||||||
0 == system('umount', "$options->{root}/$fname") or die "umount failed: $?";
|
die "$fakerootdir/libfakeroot-sysv.so doesn't exist. Install libfakeroot:$options->{nativearch} outside the chroot";
|
||||||
|
}
|
||||||
|
# fakechroot only fills LD_LIBRARY_PATH with the directories of
|
||||||
|
# the host's architecture. We append the directories of the chroot
|
||||||
|
# architecture.
|
||||||
|
$ENV{LD_LIBRARY_PATH} .= ":$fakechrootdir:$fakerootdir";
|
||||||
|
} elsif (any { $_ eq $options->{mode} } ('root', 'unshare')) {
|
||||||
|
# other modes require a static qemu-user binary
|
||||||
|
my $qemubin = "/usr/bin/qemu-$options->{qemu}-static";
|
||||||
|
if (!-e $qemubin) {
|
||||||
|
die "cannot find $qemubin";
|
||||||
|
}
|
||||||
|
copy $qemubin, "$options->{root}/$qemubin" or die "cannot copy $qemubin: $!";
|
||||||
|
} else {
|
||||||
|
die "unknown mode: $options->{mode}";
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
# install the extracted packages properly
|
||||||
|
# we need --force-depends because dpkg does not take Pre-Depends into
|
||||||
|
# account and thus doesn't install them in the right order
|
||||||
|
print STDERR "I: installing packages...\n";
|
||||||
|
run_dpkg_progress [@essential_pkgs], @chrootcmd, 'dpkg', '--install', '--force-depends';
|
||||||
|
|
||||||
|
# if the path-excluded option was added to the dpkg config, reinstall all
|
||||||
|
# packages
|
||||||
|
if (-e "$options->{root}/etc/dpkg/dpkg.cfg.d/99mmdebstrap") {
|
||||||
|
open(my $fh, '<', "$options->{root}/etc/dpkg/dpkg.cfg.d/99mmdebstrap") or die "cannot open /etc/dpkg/dpkg.cfg.d/99mmdebstrap: $!";
|
||||||
|
my $num_matches = grep /^path-exclude=/, <$fh>;
|
||||||
|
close $fh;
|
||||||
|
if ($num_matches > 0) {
|
||||||
|
# without --skip-same-version, dpkg will install the given
|
||||||
|
# packages even though they are already installed
|
||||||
|
print STDERR "I: re-installing packages because of path-exclude...\n";
|
||||||
|
run_dpkg_progress [@essential_pkgs], @chrootcmd, 'dpkg', '--install';
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
foreach my $deb (@essential_pkgs) {
|
||||||
|
unlink "$options->{root}/$deb" or die "cannot unlink $deb";
|
||||||
|
}
|
||||||
|
|
||||||
|
if (%pkgs_to_install) {
|
||||||
|
# some packages have to be installed from the outside before anything
|
||||||
|
# can be installed from the inside.
|
||||||
|
#
|
||||||
|
# we do not need to install any *-archive-keyring packages inside the
|
||||||
|
# chroot prior to installing the packages, because the keyring is only
|
||||||
|
# used when doing "apt-get update" and that was already done at the
|
||||||
|
# beginning using key material from the outside. Since the apt cache
|
||||||
|
# is already filled and we are not calling "apt-get update" again, the
|
||||||
|
# keyring can be installed later during installation. But: if it's not
|
||||||
|
# installed during installation, then we might end up with a fully
|
||||||
|
# installed system without keyrings that are valid for its
|
||||||
|
# sources.list.
|
||||||
|
my %pkgs_to_install_from_outside;
|
||||||
|
|
||||||
|
# install apt if necessary
|
||||||
|
if ($options->{variant} ne 'apt') {
|
||||||
|
$pkgs_to_install_from_outside{apt} = ();
|
||||||
|
}
|
||||||
|
|
||||||
|
# since apt will be run inside the chroot, make sure that
|
||||||
|
# apt-transport-https and ca-certificates gets installed first if any
|
||||||
|
# mirror is a https URI
|
||||||
|
open(my $pipe_apt, '-|', 'apt-get', 'indextargets', '--format', '$(URI)', 'Created-By: Packages') or die "cannot start apt-get indextargets: $!";
|
||||||
|
while (my $uri = <$pipe_apt>) {
|
||||||
|
if ($uri =~ /^https:\/\//) {
|
||||||
|
# FIXME: support for https is part of apt >= 1.5
|
||||||
|
$pkgs_to_install_from_outside{'apt-transport-https'} = ();
|
||||||
|
$pkgs_to_install_from_outside{'ca-certificates'} = ();
|
||||||
|
last;
|
||||||
|
} elsif ($uri =~ /^tor(\+[a-z]+)*:\/\//) {
|
||||||
|
# tor URIs can be tor+http://, tor+https:// or even
|
||||||
|
# tor+mirror+file://
|
||||||
|
$pkgs_to_install_from_outside{'apt-transport-tor'} = ();
|
||||||
|
last;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
close $pipe_apt;
|
||||||
|
$? == 0 or die "apt-get indextargets failed";
|
||||||
|
|
||||||
|
if (%pkgs_to_install_from_outside) {
|
||||||
|
print STDERR 'I: downloading ' . (join ', ', keys %pkgs_to_install_from_outside) . "...\n";
|
||||||
|
run_apt_progress ('apt-get', '--yes',
|
||||||
|
'-oApt::Get::Download-Only=true',
|
||||||
|
'install', (keys %pkgs_to_install_from_outside));
|
||||||
|
my @debs_to_install;
|
||||||
|
my $apt_archives = "/var/cache/apt/archives/";
|
||||||
|
opendir my $dh, "$options->{root}/$apt_archives" or die "cannot read $apt_archives";
|
||||||
|
while (my $deb = readdir $dh) {
|
||||||
|
if ($deb !~ /\.deb$/) {
|
||||||
|
next;
|
||||||
|
}
|
||||||
|
$deb = "$apt_archives/$deb";
|
||||||
|
if (!-f "$options->{root}/$deb") {
|
||||||
|
next;
|
||||||
|
}
|
||||||
|
push @debs_to_install, $deb;
|
||||||
|
}
|
||||||
|
close $dh;
|
||||||
|
if (scalar @debs_to_install == 0) {
|
||||||
|
die "nothing got downloaded";
|
||||||
|
}
|
||||||
|
# we need --force-depends because dpkg does not take Pre-Depends
|
||||||
|
# into account and thus doesn't install them in the right order
|
||||||
|
print STDERR 'I: installing ' . (join ', ', keys %pkgs_to_install_from_outside) . "...\n";
|
||||||
|
run_dpkg_progress [@debs_to_install], @chrootcmd, 'dpkg', '--install', '--force-depends';
|
||||||
|
foreach my $deb (@debs_to_install) {
|
||||||
|
unlink "$options->{root}/$deb" or die "cannot unlink $deb";
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
# if more than essential should be installed, make the system look
|
||||||
|
# more like a real one by creating or bind-mounting the device nodes
|
||||||
|
foreach my $file (@devfiles) {
|
||||||
|
my ($fname, $mode, $type, $linkname, $devmajor, $devminor) = @{$file};
|
||||||
|
next if $fname eq './dev/';
|
||||||
|
if ($type == 0) { # normal file
|
||||||
|
die "type 0 not implemented";
|
||||||
|
} elsif ($type == 1) { # hardlink
|
||||||
|
die "type 1 not implemented";
|
||||||
|
} elsif ($type == 2) { # symlink
|
||||||
|
if (!$options->{havemknod}) {
|
||||||
|
symlink $linkname, "$options->{root}/$fname" or die "cannot create symlink $fname";
|
||||||
|
}
|
||||||
|
} elsif ($type == 3 or $type == 4) { # character/block special
|
||||||
|
if (!$options->{havemknod}) {
|
||||||
|
open my $fh, '>', "$options->{root}/$fname" or die "cannot open $options->{root}/$fname: $!";
|
||||||
|
close $fh;
|
||||||
|
0 == system('mount', '-o', 'bind', "/$fname", "$options->{root}/$fname") or die "mount failed: $?";
|
||||||
|
}
|
||||||
|
} elsif ($type == 5) { # directory
|
||||||
|
if (!$options->{havemknod}) {
|
||||||
|
make_path "$options->{root}/$fname";
|
||||||
|
chmod $mode, "$options->{root}/$fname" or die "cannot chmod $fname: $!";
|
||||||
|
}
|
||||||
|
0 == system('mount', '-o', 'bind', "/$fname", "$options->{root}/$fname") or die "mount failed: $?";
|
||||||
|
} else {
|
||||||
|
die "unsupported type: $type";
|
||||||
|
}
|
||||||
|
}
|
||||||
|
# We can only mount /proc and /sys after extracting the essential
|
||||||
|
# set because if we mount it before, then base-files will not be able
|
||||||
|
# to extract those
|
||||||
|
if ($options->{mode} eq 'unshare') {
|
||||||
|
# without the network namespace unshared, we cannot mount a new
|
||||||
|
# sysfs. Since we need network, we just bind-mount.
|
||||||
|
#
|
||||||
|
# we have to rbind because just using bind results in "wrong fs
|
||||||
|
# type, bad option, bad superblock" error
|
||||||
|
0 == system('mount', '-o', 'rbind', '/sys', "$options->{root}/sys") or die "mount failed: $?";
|
||||||
|
} elsif (any { $_ eq $options->{mode} } ('root', 'fakechroot', 'proot')) {
|
||||||
|
0 == system('mount', '-t', 'sysfs', '-o', 'nosuid,nodev,noexec', 'sys', "$options->{root}/sys") or die "mount failed: $?";
|
||||||
|
} else {
|
||||||
|
die "unknown mode: $options->{mode}";
|
||||||
|
}
|
||||||
|
0 == system('mount', '-t', 'proc', 'proc', "$options->{root}/proc") or die "mount failed: $?";
|
||||||
|
|
||||||
|
# prevent daemons from starting
|
||||||
|
{
|
||||||
|
open my $fh, '>', "$options->{root}/usr/sbin/policy-rc.d" or die "cannot open policy-rc.d: $!";
|
||||||
|
print $fh "#!/bin/sh\n";
|
||||||
|
print $fh "exit 101\n";
|
||||||
|
close $fh;
|
||||||
|
chmod 0755, "$options->{root}/usr/sbin/policy-rc.d" or die "cannot chmod policy-rc.d: $!";
|
||||||
|
}
|
||||||
|
|
||||||
|
{
|
||||||
|
move("$options->{root}/sbin/start-stop-daemon", "$options->{root}/sbin/start-stop-daemon.REAL") or die "cannot move start-stop-daemon";
|
||||||
|
open my $fh, '>', "$options->{root}/sbin/start-stop-daemon" or die "cannot open policy-rc.d: $!";
|
||||||
|
print $fh "#!/bin/sh\n";
|
||||||
|
print $fh "echo \"Warning: Fake start-stop-daemon called, doing nothing\">&2\n";
|
||||||
|
close $fh;
|
||||||
|
chmod 0755, "$options->{root}/sbin/start-stop-daemon" or die "cannot chmod start-stop-daemon: $!";
|
||||||
|
}
|
||||||
|
|
||||||
|
print STDERR "I: installing remaining packages inside the chroot...\n";
|
||||||
|
run_apt_progress @chrootcmd, 'apt-get', '--yes', 'install', keys %pkgs_to_install;
|
||||||
|
|
||||||
|
# cleanup
|
||||||
|
move("$options->{root}/sbin/start-stop-daemon.REAL", "$options->{root}/sbin/start-stop-daemon") or die "cannot move start-stop-daemon";
|
||||||
|
unlink "$options->{root}/usr/sbin/policy-rc.d" or die "cannot unlink policy-rc.d";
|
||||||
|
|
||||||
|
foreach my $file (@devfiles) {
|
||||||
|
my ($fname, undef, $type, $linkname, undef, undef) = @{$file};
|
||||||
|
next if $fname eq './dev/';
|
||||||
|
if ($type == 0) { # normal file
|
||||||
|
die "type 0 not implemented";
|
||||||
|
} elsif ($type == 1) { # hardlink
|
||||||
|
die "type 1 not implemented";
|
||||||
|
} elsif ($type == 2) { # symlink
|
||||||
|
if (!$options->{havemknod}) {
|
||||||
|
unlink "$options->{root}/$fname" or die "cannot unlink $fname: $!";
|
||||||
|
}
|
||||||
|
} elsif ($type == 3 or $type == 4) { # character/block special
|
||||||
|
if (!$options->{havemknod}) {
|
||||||
|
if ($options->{mode} eq 'unshare') {
|
||||||
|
0 == system('umount', '--no-mtab', "$options->{root}/$fname") or die "umount failed: $?";
|
||||||
|
} elsif (any { $_ eq $options->{mode} } ('root', 'fakechroot', 'proot')) {
|
||||||
|
0 == system('umount', "$options->{root}/$fname") or die "umount failed: $?";
|
||||||
|
} else {
|
||||||
|
die "unknown mode: $options->{mode}";
|
||||||
|
}
|
||||||
|
unlink "$options->{root}/$fname";
|
||||||
|
}
|
||||||
|
} elsif ($type == 5) { # directory
|
||||||
|
if ($options->{mode} eq 'unshare') {
|
||||||
|
0 == system('umount', '--no-mtab', "$options->{root}/$fname") or die "umount failed: $?";
|
||||||
|
} elsif (any { $_ eq $options->{mode} } ('root', 'fakechroot', 'proot')) {
|
||||||
|
0 == system('umount', "$options->{root}/$fname") or die "umount failed: $?";
|
||||||
|
} else {
|
||||||
|
die "unknown mode: $options->{mode}";
|
||||||
|
}
|
||||||
|
if (!$options->{havemknod}) {
|
||||||
|
rmdir "$options->{root}/$fname" or die "cannot rmdir $fname: $!";
|
||||||
|
}
|
||||||
|
} else {
|
||||||
|
die "unsupported type: $type";
|
||||||
|
}
|
||||||
|
}
|
||||||
|
# naturally we have to clean up after ourselves in sudo mode where we
|
||||||
|
# do a real mount. But we also need to unmount in unshare mode because
|
||||||
|
# otherwise, even with the --one-file-system tar option, the
|
||||||
|
# permissions of the mount source will be stored and not the mount
|
||||||
|
# target (the directory)
|
||||||
|
if ($options->{mode} eq 'unshare') {
|
||||||
|
# since we cannot write to /etc/mtab we need --no-mtab
|
||||||
|
# unmounting /sys only seems to be successful with --lazy
|
||||||
|
0 == system('umount', '--no-mtab', '--lazy', "$options->{root}/sys") or die "umount failed: $?";
|
||||||
|
0 == system('umount', '--no-mtab', "$options->{root}/proc") or die "umount failed: $?";
|
||||||
|
} elsif (any { $_ eq $options->{mode} } ('root', 'fakechroot', 'proot')) {
|
||||||
|
0 == system('umount', "$options->{root}/sys") or die "umount failed: $?";
|
||||||
|
0 == system('umount', "$options->{root}/proc") or die "umount failed: $?";
|
||||||
} else {
|
} else {
|
||||||
die "unknown mode: $options->{mode}";
|
die "unknown mode: $options->{mode}";
|
||||||
}
|
}
|
||||||
if (!$options->{havemknod}) {
|
|
||||||
rmdir "$options->{root}/$fname" or die "cannot rmdir $fname: $!";
|
|
||||||
}
|
|
||||||
} else {
|
|
||||||
die "unsupported type: $type";
|
|
||||||
}
|
}
|
||||||
}
|
|
||||||
# naturally we have to clean up after ourselves in sudo mode where we
|
|
||||||
# do a real mount. But we also need to unmount in unshare mode because
|
|
||||||
# otherwise, even with the --one-file-system tar option, the
|
|
||||||
# permissions of the mount source will be stored and not the mount
|
|
||||||
# target (the directory)
|
|
||||||
if ($options->{mode} eq 'unshare') {
|
|
||||||
# since we cannot write to /etc/mtab we need --no-mtab
|
|
||||||
# unmounting /sys only seems to be successful with --lazy
|
|
||||||
0 == system('umount', '--no-mtab', '--lazy', "$options->{root}/sys") or die "umount failed: $?";
|
|
||||||
0 == system('umount', '--no-mtab', "$options->{root}/proc") or die "umount failed: $?";
|
|
||||||
} elsif (any { $_ eq $options->{mode} } ('root', 'fakechroot', 'proot')) {
|
|
||||||
0 == system('umount', "$options->{root}/sys") or die "umount failed: $?";
|
|
||||||
0 == system('umount', "$options->{root}/proc") or die "umount failed: $?";
|
|
||||||
} else {
|
} else {
|
||||||
die "unknown mode: $options->{mode}";
|
die "unknown variant: $options->{variant}";
|
||||||
}
|
}
|
||||||
|
} else {
|
||||||
|
die "unknown mode: $options->{mode}";
|
||||||
}
|
}
|
||||||
|
|
||||||
# clean up temporary configuration file
|
# clean up temporary configuration file
|
||||||
|
|
@ -1246,8 +1295,8 @@ sub main() {
|
||||||
'aptopt=s@' => \$options->{aptopts},
|
'aptopt=s@' => \$options->{aptopts},
|
||||||
) or pod2usage(-exitval => 2, -verbose => 1);
|
) or pod2usage(-exitval => 2, -verbose => 1);
|
||||||
|
|
||||||
my @valid_variants = ('essential', 'apt', 'required', 'minbase', 'buildd',
|
my @valid_variants = ('extract', 'custom', 'essential', 'apt', 'required',
|
||||||
'important', 'debootstrap', '-', 'standard');
|
'minbase', 'buildd', 'important', 'debootstrap', '-', 'standard');
|
||||||
if (none { $_ eq $options->{variant}} @valid_variants) {
|
if (none { $_ eq $options->{variant}} @valid_variants) {
|
||||||
die "invalid variant. Choose from " . (join ', ', @valid_variants);
|
die "invalid variant. Choose from " . (join ', ', @valid_variants);
|
||||||
}
|
}
|
||||||
|
|
@ -1264,7 +1313,8 @@ sub main() {
|
||||||
if ($options->{mode} eq 'sudo') {
|
if ($options->{mode} eq 'sudo') {
|
||||||
$options->{mode} = 'root';
|
$options->{mode} = 'root';
|
||||||
}
|
}
|
||||||
my @valid_modes = ('auto', 'root', 'unshare', 'fakechroot', 'proot');
|
my @valid_modes = ('auto', 'root', 'unshare', 'fakechroot', 'proot',
|
||||||
|
'chrootless');
|
||||||
if (none { $_ eq $options->{mode} } @valid_modes) {
|
if (none { $_ eq $options->{mode} } @valid_modes) {
|
||||||
die "invalid mode. Choose from " . (join ', ', @valid_modes);
|
die "invalid mode. Choose from " . (join ', ', @valid_modes);
|
||||||
}
|
}
|
||||||
|
|
@ -1492,6 +1542,8 @@ sub main() {
|
||||||
}
|
}
|
||||||
exit 1;
|
exit 1;
|
||||||
}
|
}
|
||||||
|
} elsif ($options->{mode} eq 'chrootless') {
|
||||||
|
# nothing to do
|
||||||
} else {
|
} else {
|
||||||
die "unknown mode: $options->{mode}";
|
die "unknown mode: $options->{mode}";
|
||||||
}
|
}
|
||||||
|
|
@ -1502,6 +1554,9 @@ sub main() {
|
||||||
$options->{maketar} = 0;
|
$options->{maketar} = 0;
|
||||||
if (scalar @tar_compress_opts > 0 or $options->{target} =~ /\.tar$/ or $options->{target} eq '-') {
|
if (scalar @tar_compress_opts > 0 or $options->{target} =~ /\.tar$/ or $options->{target} eq '-') {
|
||||||
$options->{maketar} = 1;
|
$options->{maketar} = 1;
|
||||||
|
if (any { $_ eq $options->{variant} } ('extract', 'custom') and $options->{mode} eq 'fakechroot') {
|
||||||
|
print STDERR "I: creating a tarball in fakechroot mode might fail in extract and custom variants because there might be no tar inside the chroot\n";
|
||||||
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
if ($options->{maketar}) {
|
if ($options->{maketar}) {
|
||||||
|
|
@ -1572,7 +1627,7 @@ sub main() {
|
||||||
} \@idmap;
|
} \@idmap;
|
||||||
waitpid $pid, 0;
|
waitpid $pid, 0;
|
||||||
$? == 0 or die "havemknod failed";
|
$? == 0 or die "havemknod failed";
|
||||||
} elsif (any { $_ eq $options->{mode} } ('root', 'fakechroot', 'proot')) {
|
} elsif (any { $_ eq $options->{mode} } ('root', 'fakechroot', 'proot', 'chrootless')) {
|
||||||
$options->{havemknod} = havemknod($options->{root});
|
$options->{havemknod} = havemknod($options->{root});
|
||||||
} else {
|
} else {
|
||||||
die "unknown mode: $options->{mode}";
|
die "unknown mode: $options->{mode}";
|
||||||
|
|
@ -1639,7 +1694,7 @@ sub main() {
|
||||||
|
|
||||||
exit 0;
|
exit 0;
|
||||||
} \@idmap;
|
} \@idmap;
|
||||||
} elsif (any { $_ eq $options->{mode} } ('root', 'fakechroot', 'proot')) {
|
} elsif (any { $_ eq $options->{mode} } ('root', 'fakechroot', 'proot', 'chrootless')) {
|
||||||
$pid = fork() // die "fork() failed: $!";
|
$pid = fork() // die "fork() failed: $!";
|
||||||
if ($pid == 0) {
|
if ($pid == 0) {
|
||||||
close $rfh;
|
close $rfh;
|
||||||
|
|
@ -1668,7 +1723,7 @@ sub main() {
|
||||||
# proot requires tar to run inside proot or otherwise
|
# proot requires tar to run inside proot or otherwise
|
||||||
# permissions will be completely off
|
# permissions will be completely off
|
||||||
0 == system('proot', '--root-id', "--rootfs=$options->{root}", '--cwd=/', 'tar', @taropts, '--exclude=./dev', '-C', '/', '.') or die "tar failed: $?";
|
0 == system('proot', '--root-id', "--rootfs=$options->{root}", '--cwd=/', 'tar', @taropts, '--exclude=./dev', '-C', '/', '.') or die "tar failed: $?";
|
||||||
} elsif (any { $_ eq $options->{mode} } ('root')) {
|
} elsif (any { $_ eq $options->{mode} } ('root', 'chrootless')) {
|
||||||
0 == system('tar', @taropts, '-C', $options->{root}, '.') or die "tar failed: $?";
|
0 == system('tar', @taropts, '-C', $options->{root}, '.') or die "tar failed: $?";
|
||||||
} else {
|
} else {
|
||||||
die "unknown mode: $options->{mode}";
|
die "unknown mode: $options->{mode}";
|
||||||
|
|
@ -1719,7 +1774,7 @@ sub main() {
|
||||||
} \@idmap;
|
} \@idmap;
|
||||||
waitpid $pid, 0;
|
waitpid $pid, 0;
|
||||||
$? == 0 or die "remove_tree failed";
|
$? == 0 or die "remove_tree failed";
|
||||||
} elsif (any { $_ eq $options->{mode} } ('root', 'fakechroot', 'proot')) {
|
} elsif (any { $_ eq $options->{mode} } ('root', 'fakechroot', 'proot', 'chrootless')) {
|
||||||
# without unshare, we use the system's rm to recursively remove the
|
# without unshare, we use the system's rm to recursively remove the
|
||||||
# temporary directory just to make sure that we do not accidentally
|
# temporary directory just to make sure that we do not accidentally
|
||||||
# remove more than we should by using --one-file-system.
|
# remove more than we should by using --one-file-system.
|
||||||
|
|
@ -1797,10 +1852,10 @@ Print this help text and exit.
|
||||||
|
|
||||||
=item B<--variant>
|
=item B<--variant>
|
||||||
|
|
||||||
Choose which package set to install. Valid variant names are B<essential>,
|
Choose which package set to install. Valid variant names are B<extract>,
|
||||||
B<apt>, B<required>, B<minbase>, B<buildd>, B<important>, B<debootstrap>,
|
B<custom>, B<essential>, B<apt>, B<required>, B<minbase>, B<buildd>,
|
||||||
B<->, and B<standard>. The default variant is B<required>. See the section
|
B<important>, B<debootstrap>, B<->, and B<standard>. The default variant is
|
||||||
B<VARIANTS> for more information.
|
B<required>. See the section B<VARIANTS> for more information.
|
||||||
|
|
||||||
=item B<--mode>
|
=item B<--mode>
|
||||||
|
|
||||||
|
|
@ -1837,9 +1892,15 @@ Example: --dpkgopt="path-exclude=/usr/share/man/*"
|
||||||
=item B<--include>
|
=item B<--include>
|
||||||
|
|
||||||
Comma separated list of packages which will be installed in addition to the
|
Comma separated list of packages which will be installed in addition to the
|
||||||
packages installed by the specified variant. This option is incompatible with
|
packages installed by the specified variant. The direct and indirect hard
|
||||||
the essential variant because apt inside the chroot is needed to install extra
|
dependencies will also be installed. The behaviour of this option depends on
|
||||||
packages.
|
the selected variant. The B<extract> and B<custom> variants install no packages
|
||||||
|
by default, so for these variants, the packages specified by this option will
|
||||||
|
be the only ones that get either extracted or installed by dpkg, respectively.
|
||||||
|
For all other variants, apt is used to install the additional packages. The
|
||||||
|
B<essential> variant does not include apt and thus, the include option will
|
||||||
|
only work when the B<chrootless> mode is selected and thus apt from the outside
|
||||||
|
can be used.
|
||||||
|
|
||||||
=item B<--components>
|
=item B<--components>
|
||||||
|
|
||||||
|
|
@ -1897,17 +1958,37 @@ permissions are only retained while proot is still running, this will lead to
|
||||||
wrong permissions in the final directory and tarball. This mode is useful if
|
wrong permissions in the final directory and tarball. This mode is useful if
|
||||||
you plan to use the chroot with proot.
|
you plan to use the chroot with proot.
|
||||||
|
|
||||||
|
=item B<chrootless>
|
||||||
|
|
||||||
|
Uses the dpkg option C<--force-script-chrootless> to install packages into
|
||||||
|
B<TARGET> without dpkg and apt inside B<target> but using apt and dpkg from
|
||||||
|
the machine running mmdebstrap. Maintainer scripts are run without chrooting
|
||||||
|
into B<TARGET> and rely on their dependencies being installed on the machine
|
||||||
|
running mmdebstrap.
|
||||||
|
|
||||||
=back
|
=back
|
||||||
|
|
||||||
=head1 VARIANTS
|
=head1 VARIANTS
|
||||||
|
|
||||||
All package sets also include the hard dependencies (but not recommends) of
|
All package sets also include the direct and indirect hard dependencies (but
|
||||||
the selected package sets. The variants B<minbase>, B<buildd> and B<->,
|
not recommends) of the selected package sets. The variants B<minbase>,
|
||||||
resemble the package sets that debootstrap would install with the same
|
B<buildd> and B<->, resemble the package sets that debootstrap would install
|
||||||
I<--variant> argument.
|
with the same I<--variant> argument.
|
||||||
|
|
||||||
=over 8
|
=over 8
|
||||||
|
|
||||||
|
=item B<extract>
|
||||||
|
|
||||||
|
Installs nothing by default (not even C<Essential:yes> packages). Packages
|
||||||
|
given by the C<--include> option are extracted but will not be installed.
|
||||||
|
|
||||||
|
=item B<custom>
|
||||||
|
|
||||||
|
Installs nothing by default (not even C<Essential:yes> packages). Packages
|
||||||
|
given by the C<--include> option will be installed. If another mode than
|
||||||
|
B<chrootless> was selected and dpkg was not part of the included package set,
|
||||||
|
then this variant will fail because it cannot configure the packages.
|
||||||
|
|
||||||
=item B<essential>
|
=item B<essential>
|
||||||
|
|
||||||
C<Essential:yes> packages.
|
C<Essential:yes> packages.
|
||||||
|
|
|
||||||
Loading…
Reference in a new issue