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btrbk: UNFINISHED: add command-line option "--ignore-related" 

Ref: github bug #249

Should work for `btrbk prune --preserve-backups --ignore-related`.

UNFINISHED: Counterpart for `--preserve-snapshots` still needs source readin.
prune-ignore-latest-common
Axel Burri 2018-08-27 16:17:52 +02:00
parent 1862bc16d3
commit d345dfbf50
1 changed files with 18 additions and 10 deletions
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@ -4431,7 +4431,7 @@ MAIN:
@tm_now = localtime($start_time);
my @config_override_cmdline;
my ($config_cmdline, $quiet, $verbose, $preserve_snapshots, $preserve_backups, $wipe_snapshots, $skip_snapshots, $skip_backups, $print_schedule, $lockfile_cmdline);
my ($config_cmdline, $quiet, $verbose, $preserve_snapshots, $preserve_backups, $wipe_snapshots, $skip_snapshots, $skip_backups, $ignore_related, $print_schedule, $lockfile_cmdline);
my $resume_only_DEPRECATED; # as of btrbk-v0.26.0
unless(GetOptions(
'help|h' => sub { VERSION_MESSAGE(); HELP_MESSAGE(0); exit 0; },
@ -4442,6 +4442,7 @@ MAIN:
'preserve-snapshots' => sub { $preserve_snapshots = "preserve-snapshots" },
'preserve-backups' => sub { $preserve_backups = "preserve-backups" },
'wipe' => \$wipe_snapshots,
'ignore-related' => \$ignore_related, # TODO: find better name for this
'resume-only|r' => \$resume_only_DEPRECATED,
'quiet|q' => \$quiet,
'verbose|v' => sub { $loglevel = 2; },
@ -5387,6 +5388,11 @@ MAIN:
# initialize targets, and we don't want to fail on missing targets.
DEBUG "Skipping target tree readin (preserving all snapshots and backups)";
}
elsif($action_run && $skip_backups && $preserve_backups && $ignore_related) {
# if running "btrbk prune --preserve-backups --ignore-related", there is no need to
# initialize targets, and we don't want to fail on missing targets.
DEBUG "Skipping target tree readin (ignoring latest common match)";
}
else {
foreach my $sroot (vinfo_subsection($config, 'volume')) {
foreach my $svol (vinfo_subsection($sroot, 'subvolume')) {
@ -5991,6 +5997,7 @@ MAIN:
}
# always preserve latest common snapshot/backup pair
unless($ignore_related) {
foreach my $child (@snapshot_children) {
my @receive_targets = get_receive_targets($droot, $child, exact => 1);
if(scalar(@receive_targets)) {
@ -6003,6 +6010,7 @@ MAIN:
last;
}
}
}
if($preserve_backups) {
INFO "Preserving all backups";