forked from josch/mmdebstrap
add --skip option
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F2CBA5C78FBD83E1
1 changed files with 93 additions and 71 deletions
164
mmdebstrap
164
mmdebstrap
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@ -2401,86 +2401,106 @@ sub run_install() {
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sub run_cleanup() {
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my $options = shift;
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# clean up temporary configuration file
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unlink "$options->{root}/etc/apt/apt.conf.d/00mmdebstrap"
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or error "failed to unlink /etc/apt/apt.conf.d/00mmdebstrap: $!";
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info "cleaning package lists and apt cache...";
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run_apt_progress({
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ARGV => [
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'apt-get', '--option',
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'Dir::Etc::SourceList=/dev/null', '--option',
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'Dir::Etc::SourceParts=/dev/null', 'update'
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],
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CHDIR => $options->{root},
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});
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run_apt_progress(
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{ ARGV => ['apt-get', 'clean'], CHDIR => $options->{root} });
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if (defined $ENV{APT_CONFIG} && -e $ENV{APT_CONFIG}) {
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unlink $ENV{APT_CONFIG}
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or error "failed to unlink $ENV{APT_CONFIG}: $!";
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}
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if (any { $_ eq 'cleanup/apt' } @{ $options->{skip} }) {
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info "skipping cleanup/apt as requested";
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} else {
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info "cleaning package lists and apt cache...";
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run_apt_progress({
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ARGV => [
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'apt-get', '--option',
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'Dir::Etc::SourceList=/dev/null', '--option',
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'Dir::Etc::SourceParts=/dev/null', 'update'
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],
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CHDIR => $options->{root},
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});
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run_apt_progress(
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{ ARGV => ['apt-get', 'clean'], CHDIR => $options->{root} });
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# apt since 1.6 creates the auxfiles directory. If apt inside the chroot
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# is older than that, then it will not know how to clean it.
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if (-e "$options->{root}/var/lib/apt/lists/auxfiles") {
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rmdir "$options->{root}/var/lib/apt/lists/auxfiles"
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or die "cannot rmdir /var/lib/apt/lists/auxfiles: $!";
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}
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if (defined $options->{qemu}
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and any { $_ eq $options->{mode} } ('root', 'unshare')) {
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unlink "$options->{root}/usr/bin/qemu-$options->{qemu}-static"
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or error "cannot unlink /usr/bin/qemu-$options->{qemu}-static: $!";
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}
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# clean up certain files to make output reproducible
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foreach my $fname (
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'/var/log/dpkg.log', '/var/log/apt/history.log',
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'/var/log/apt/term.log', '/var/log/alternatives.log',
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'/var/cache/ldconfig/aux-cache', '/var/log/apt/eipp.log.xz'
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) {
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my $path = "$options->{root}$fname";
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if (!-e $path) {
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next;
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# apt since 1.6 creates the auxfiles directory. If apt inside the
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# chroot is older than that, then it will not know how to clean it.
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if (-e "$options->{root}/var/lib/apt/lists/auxfiles") {
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rmdir "$options->{root}/var/lib/apt/lists/auxfiles"
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or die "cannot rmdir /var/lib/apt/lists/auxfiles: $!";
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}
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unlink $path or error "cannot unlink $path: $!";
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}
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if (-e "$options->{root}/etc/machine-id") {
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# from machine-id(5):
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# For operating system images which are created once and used on
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# multiple machines, for example for containers or in the cloud,
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# /etc/machine-id should be an empty file in the generic file system
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# image. An ID will be generated during boot and saved to this file if
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# possible. Having an empty file in place is useful because it allows a
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# temporary file to be bind-mounted over the real file, in case the
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# image is used read-only.
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unlink "$options->{root}/etc/machine-id"
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or error "cannot unlink /etc/machine-id: $!";
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open my $fh, '>', "$options->{root}/etc/machine-id"
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or error "failed to open(): $!";
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close $fh;
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if (any { $_ eq 'cleanup/mmdebstrap' } @{ $options->{skip} }) {
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info "skipping cleanup/mmdebstrap as requested";
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} else {
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# clean up temporary configuration file
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unlink "$options->{root}/etc/apt/apt.conf.d/00mmdebstrap"
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or error "failed to unlink /etc/apt/apt.conf.d/00mmdebstrap: $!";
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if (defined $ENV{APT_CONFIG} && -e $ENV{APT_CONFIG}) {
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unlink $ENV{APT_CONFIG}
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or error "failed to unlink $ENV{APT_CONFIG}: $!";
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}
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if (defined $options->{qemu}
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and any { $_ eq $options->{mode} } ('root', 'unshare')) {
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unlink "$options->{root}/usr/bin/qemu-$options->{qemu}-static"
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or error
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"cannot unlink /usr/bin/qemu-$options->{qemu}-static: $!";
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}
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}
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# remove any possible leftovers in /tmp but warn about it
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if (-d "$options->{root}/tmp") {
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opendir(my $dh, "$options->{root}/tmp")
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or error "Can't opendir($options->{root}/tmp): $!";
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while (my $entry = readdir $dh) {
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# skip the "." and ".." entries
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next if $entry eq ".";
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next if $entry eq "..";
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warning "deleting files in /tmp: $entry";
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remove_tree("$options->{root}/tmp/$entry", { error => \my $err });
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if (@$err) {
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for my $diag (@$err) {
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my ($file, $message) = %$diag;
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if ($file eq '') { warning "general error: $message"; }
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else { warning "problem unlinking $file: $message"; }
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if (any { $_ eq 'cleanup/reproducible' } @{ $options->{skip} }) {
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info "skipping cleanup/reproducible as requested";
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} else {
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# clean up certain files to make output reproducible
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foreach my $fname (
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'/var/log/dpkg.log', '/var/log/apt/history.log',
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'/var/log/apt/term.log', '/var/log/alternatives.log',
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'/var/cache/ldconfig/aux-cache', '/var/log/apt/eipp.log.xz'
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) {
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my $path = "$options->{root}$fname";
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if (!-e $path) {
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next;
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}
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unlink $path or error "cannot unlink $path: $!";
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}
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if (-e "$options->{root}/etc/machine-id") {
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# from machine-id(5):
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# For operating system images which are created once and used on
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# multiple machines, for example for containers or in the cloud,
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# /etc/machine-id should be an empty file in the generic file
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# system image. An ID will be generated during boot and saved to
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# this file if possible. Having an empty file in place is useful
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# because it allows a temporary file to be bind-mounted over the
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# real file, in case the image is used read-only.
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unlink "$options->{root}/etc/machine-id"
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or error "cannot unlink /etc/machine-id: $!";
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open my $fh, '>', "$options->{root}/etc/machine-id"
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or error "failed to open(): $!";
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close $fh;
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}
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}
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if (any { $_ eq 'cleanup/tmp' } @{ $options->{skip} }) {
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info "skipping cleanup/tmp as requested";
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} else {
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# remove any possible leftovers in /tmp but warn about it
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if (-d "$options->{root}/tmp") {
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opendir(my $dh, "$options->{root}/tmp")
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or error "Can't opendir($options->{root}/tmp): $!";
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while (my $entry = readdir $dh) {
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# skip the "." and ".." entries
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next if $entry eq ".";
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next if $entry eq "..";
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warning "deleting files in /tmp: $entry";
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remove_tree("$options->{root}/tmp/$entry",
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{ error => \my $err });
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if (@$err) {
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for my $diag (@$err) {
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my ($file, $message) = %$diag;
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if ($file eq '') { warning "general error: $message"; }
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else { warning "problem unlinking $file: $message"; }
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}
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}
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}
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closedir($dh);
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}
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closedir($dh);
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}
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return;
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}
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@ -2908,6 +2928,7 @@ sub main() {
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essential_hook => [],
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customize_hook => [],
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dryrun => 0,
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skip => [],
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};
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my $logfile = undef;
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my $format = 'auto';
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@ -2975,6 +2996,7 @@ sub main() {
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# here prepare for long suffering in dependency hell.
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'simulate' => \$options->{dryrun},
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'dry-run' => \$options->{dryrun},
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'skip=s@' => \$options->{skip},
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) or pod2usage(-exitval => 2, -verbose => 1);
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if (defined($logfile)) {
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