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btrbk
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btrbk: accept absolute path for subvolume

pull/411/head
Axel Burri 2021-07-24 15:43:37 +02:00
parent d40d75ef76
commit 3b4f275126
1 changed files with 14 additions and 8 deletions
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@ -4276,20 +4276,26 @@ sub parse_config_line($$$$$)
TRACE "config: context changed to: $cur->{CONTEXT}" if($do_trace);
}
# be very strict about file options, for security sake
my $rel_path = check_file($value, { relative => 1, wildcards => 1 }, sanitize => 1, error_statement => "for option \"$key\" in \"$file\" line $.");
return undef unless(defined($rel_path));
my $url;
if(my $rel_path = check_file($value, { relative => 1, wildcards => 1 }, sanitize => 1)) {
$url = ($rel_path eq '.') ? $cur->{url} : $cur->{url} . '/' . $rel_path;
}
else {
my ($url_prefix, $path) = check_url($value, accept_wildcards => 1, error_statement => "for option \"$key\" in \"$file\" line $.");
return undef unless(defined($path));
$url = $url_prefix . $path;
}
# snapshot_name defaults to subvolume name (or volume name if subvolume=".")
my $default_snapshot_name = ($rel_path eq '.') ? $cur->{url} : $rel_path;
my $default_snapshot_name = $url;
$default_snapshot_name =~ s/^.*\///;
$default_snapshot_name = 'ROOT' if($default_snapshot_name eq ""); # if volume="/"
TRACE "config: adding subvolume \"$rel_path\" to volume context: $cur->{url}" if($do_trace);
TRACE "config: adding subvolume \"$url\" to volume context: $cur->{url}" if($do_trace);
my $subvolume = { CONTEXT => "subvolume",
PARENT => $cur,
# SUBSECTION => [], # handled by target propagation
rel_path => $rel_path,
url => $cur->{url} . '/' . $rel_path,
url => $url,
snapshot_name => $default_snapshot_name, # computed default (c_default)
};
$subvolume->{GLOB_CONTEXT} = 1 if($value =~ /\*/);
@ -6334,7 +6340,7 @@ MAIN:
my $sroot = vinfo($config_vol->{url}, $config_vol);
vinfo_assign_config($sroot);
foreach my $config_subvol (config_subsection($config_vol, "subvolume")) {
my $svol = vinfo_child($sroot, $config_subvol->{rel_path}, $config_subvol);
my $svol = vinfo($config_subvol->{url}, $config_subvol);
my $snapshot_dir = config_key($svol, "snapshot_dir");
my $url;
if(!defined($snapshot_dir)) {
@ -6525,7 +6531,7 @@ MAIN:
foreach my $svol (vinfo_subsection($sroot, 'subvolume')) {
push @out, ""; # newline
push @out, "\t# subvolume $svol->{CONFIG}->{rel_path_glob}" if(defined($svol->{CONFIG}->{rel_path_glob}));
push @out, "\tsubvolume $svol->{SUBVOL_PATH}";
push @out, "\tsubvolume $svol->{URL}";
push @out, config_dump_keys($svol, prefix => "\t\t", resolve => $resolve);
foreach my $droot (vinfo_subsection($svol, 'target')) {
push @out, "\n\t\ttarget $droot->{CONFIG}->{target_type} $droot->{URL}";