- my ($class) = @_;
- my $dbname = PublicInbox::Config->config_dir() . "/imap.sqlite3";
- my $dbh = dbh_new($dbname);
- bless { dbname => $dbname, dbh => $dbh }, $class;
+ my ($class, $url) = @_;
+
+ # original name for compatibility with old setups:
+ my $dbname = PublicInbox::Config->config_dir() . '/imap.sqlite3';
+
+ # use the new XDG-compliant name for new setups:
+ if (!-f $dbname) {
+ $dbname = ($ENV{XDG_DATA_HOME} //
+ (($ENV{HOME} // '/nonexistent').'/.local/share')) .
+ '/public-inbox/imap.sqlite3';
+ }
+ if (!-f $dbname) {
+ require File::Path;
+ require PublicInbox::Syscall;
+ my ($dir) = ($dbname =~ m!(.*?/)[^/]+\z!);
+ File::Path::mkpath($dir);
+ PublicInbox::Syscall::nodatacow_dir($dir);
+ open my $fh, '+>>', $dbname or die "failed to open $dbname: $!";
+ }
+ my $self = bless { lock_path => "$dbname.lock", url => $url }, $class;
+ $self->lock_acquire;
+ $self->{dbh} = dbh_new($dbname);
+ $self->lock_release;
+ $self;