forked from josch/mmdebstrap
Write certain apt options to a common config file inside the chroot so that apt inside and outside adhere to it while its settings can still be overwritten
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96c6913281
commit
4d75cb8b89
1 changed files with 26 additions and 12 deletions
38
mmdebstrap
38
mmdebstrap
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@ -409,13 +409,11 @@ sub setup {
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print $conf "Dir::Etc \"$options->{root}/etc/apt\";\n";
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print $conf "Dir::State \"$options->{root}/var/lib/apt\";\n";
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print $conf "Dir::Cache \"$options->{root}/var/cache/apt\";\n";
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print $conf "Apt::Install-Recommends false;\n";
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# for retrieving the essential packages set, only download
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print $conf "Apt::Get::Download-Only true;\n";
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# for authentication, use the keyrings from the host
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print $conf "Dir::Etc::Trusted \"/etc/apt/trusted.gpg\";\n";
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print $conf "Dir::Etc::TrustedParts \"/etc/apt/trusted.gpg.d\";\n";
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print $conf "Acquire::Languages \"none\";\n";
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close $conf;
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foreach my $dir ('/etc/apt/apt.conf.d', '/etc/apt/sources.list.d',
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@ -425,6 +423,18 @@ sub setup {
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make_path("$options->{root}/$dir") or die "failed to create $dir: $!";
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}
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# We put certain configuration items in their own configuration file
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# because they have to be valid for apt invocation from outside as well as
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# from inside the chroot.
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# The config filename is chosen such that any settings in it will be
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# overridden by what the user specified with --aptopt.
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{
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open my $fh, '>', "$options->{root}/etc/apt/apt.conf.d/00mmdebstrap" or die "cannot open /etc/apt/apt.conf.d/00mmdebstrap: $!";
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print $fh "Apt::Install-Recommends false;\n";
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print $fh "Acquire::Languages \"none\";\n";
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close $fh;
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}
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{
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open my $fh, '>', "$options->{root}/var/lib/dpkg/status" or die "failed to open(): $!";
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close $fh;
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@ -440,7 +450,7 @@ sub setup {
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}
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if (scalar @{$options->{aptopts}} > 0) {
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open my $fh, '>', "$options->{root}/etc/apt/apt.conf.d/00mmdebstrap" or die "cannot open /etc/apt/apt.conf.d/00mmdebstrap: $!";
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open my $fh, '>', "$options->{root}/etc/apt/apt.conf.d/99mmdebstrap" or die "cannot open /etc/apt/apt.conf.d/99mmdebstrap: $!";
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foreach my $opt (@{$options->{aptopts}}) {
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if (-r $opt) {
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copy $opt, $fh or die "cannot copy $opt: $!";
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@ -458,7 +468,7 @@ sub setup {
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}
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if (scalar @{$options->{dpkgopts}} > 0) {
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open my $fh, '>', "$options->{root}/etc/dpkg/dpkg.cfg.d/00mmdebstrap" or die "cannot open /etc/dpkg/dpkg.cfg.d/00mmdebstrap: $!";
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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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if (-r $opt) {
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copy $opt, $fh or die "cannot copy $opt: $!";
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@ -792,8 +802,8 @@ sub setup {
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# if the path-excluded option was added to the dpkg config, reinstall all
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# packages
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if (-e "$options->{root}/etc/dpkg/dpkg.cfg.d/00mmdebstrap") {
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open(my $fh, '<', "$options->{root}/etc/dpkg/dpkg.cfg.d/00mmdebstrap") or die "cannot open /etc/dpkg/dpkg.cfg.d/00mmdebstrap: $!";
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if (-e "$options->{root}/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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my $num_matches = grep /^path-exclude=/, <$fh>;
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close $fh;
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if ($num_matches > 0) {
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@ -960,6 +970,9 @@ sub setup {
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}
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}
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# clean up temporary configuration file
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unlink "$options->{root}/etc/apt/apt.conf.d/00mmdebstrap" or die "failed to unlink /etc/apt/apt.conf.d/00mmdebstrap: $!";
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# if there is no apt inside the chroot, clean it from the outside
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if ($options->{variant} eq 'essential') {
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$ENV{"APT_CONFIG"} = "$tmpfile";
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@ -1489,24 +1502,25 @@ default mode is B<auto>. See the section B<MODES> for more information.
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=item B<--aptopt>
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Pass arbitrary options to apt. Will be added to
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/etc/apt/apt.conf.d/00mmdebstrap inside the chroot. Can be specified multiple
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times. Each option with be appended to 00mmdebstrap. A semicolon will be added
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/etc/apt/apt.conf.d/99mmdebstrap inside the chroot. Can be specified multiple
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times. Each option with be appended to 99mmdebstrap. A semicolon will be added
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at the end of the option if necessary. If the command line argument is an
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existing file, the content of the file will be appended to 00mmdebstrap
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existing file, the content of the file will be appended to 99mmdebstrap
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verbatim.
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Examples:
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--aptopt="Acquire::Check-Valid-Until false"
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--aptopt="Acquire::Languages { \"environment\"; \"en\"; }"
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--aptopt="Apt::Install-Recommends true"
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=item B<--dpkgopt>
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Pass arbitrary options to dpkg. Will be added to
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/etc/dpkg/dpkg.cfg.d/00mmdebstrap inside the chroot. Can be specified multiple
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times. Each option will be appended to 00mmdebstrap. If the command line
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/etc/dpkg/dpkg.cfg.d/99mmdebstrap inside the chroot. Can be specified multiple
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times. Each option will be appended to 99mmdebstrap. If the command line
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argument is an existing file, the content of the file will be appended to
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00mmdebstrap verbatim.
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99mmdebstrap verbatim.
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Example: --dpkgopt="path-exclude=/usr/share/man/*"
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