josch/mmdebstrap
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add --skip check/empty

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Johannes 'josch' Schauer 2020-05-01 07:39:52 +02:00
parent 1b380e4513
commit 4ea784c1bc
Signed by: josch
GPG key ID: F2CBA5C78FBD83E1
1 changed files with 34 additions and 29 deletions
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mmdebstrap
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@ -3911,38 +3911,43 @@ sub main() {
if (!-d $options->{root}) {
error "$options->{root} exists and is not a directory";
}
# check if the directory is empty or contains nothing more than an
# empty lost+found directory. The latter exists on freshly created
# ext3 and ext4 partitions.
# rationale for requiring an empty directory:
# https://bugs.debian.org/833525
opendir(my $dh, $options->{root})
or error "Can't opendir($options->{root}): $!";
while (my $entry = readdir $dh) {
# skip the "." and ".." entries
next if $entry eq ".";
next if $entry eq "..";
# if the entry is a directory named "lost+found" then skip it
# if it's empty
if ($entry eq "lost+found" and -d "$options->{root}/$entry") {
opendir(my $dh2, "$options->{root}/$entry");
# Attempt reading the directory thrice. If the third time
# succeeds, then it has more entries than just "." and ".."
# and must thus not be empty.
readdir $dh2;
readdir $dh2;
# rationale for requiring an empty directory:
# https://bugs.debian.org/833525
if (readdir $dh2) {
error "$options->{root} contains a non-empty"
. " lost+found directory";
if (any { $_ eq 'check/empty' } @{ $options->{skip} }) {
info "skipping check/empty as requested";
} else {
# check if the directory is empty or contains nothing more than
# an empty lost+found directory. The latter exists on freshly
# created ext3 and ext4 partitions.
# rationale for requiring an empty directory:
# https://bugs.debian.org/833525
opendir(my $dh, $options->{root})
or error "Can't opendir($options->{root}): $!";
while (my $entry = readdir $dh) {
# skip the "." and ".." entries
next if $entry eq ".";
next if $entry eq "..";
# if the entry is a directory named "lost+found" then skip
# it, if it's empty
if ($entry eq "lost+found"
and -d "$options->{root}/$entry") {
opendir(my $dh2, "$options->{root}/$entry");
# Attempt reading the directory thrice. If the third
# time succeeds, then it has more entries than just "."
# and ".." and must thus not be empty.
readdir $dh2;
readdir $dh2;
# rationale for requiring an empty directory:
# https://bugs.debian.org/833525
if (readdir $dh2) {
error "$options->{root} contains a non-empty"
. " lost+found directory";
}
closedir($dh2);
} else {
error "$options->{root} is not empty";
}
closedir($dh2);
} else {
error "$options->{root} is not empty";
}
closedir($dh);
}
closedir($dh);
} else {
my $num_created = make_path "$options->{root}",
{ error => \my $err };