PublicInbox::LeiQuery);
use Getopt::Long ();
use Socket qw(AF_UNIX SOCK_SEQPACKET MSG_EOR pack_sockaddr_un);
-use Errno qw(EAGAIN EINTR ECONNREFUSED ENOENT ECONNRESET);
+use Errno qw(EPIPE EAGAIN EINTR ECONNREFUSED ENOENT ECONNRESET);
use Cwd qw(getcwd);
-use POSIX ();
+use POSIX qw(strftime);
use IO::Handle ();
use Fcntl qw(SEEK_SET);
-use Sys::Syslog qw(syslog openlog);
use PublicInbox::Config;
use PublicInbox::Syscall qw(SFD_NONBLOCK EPOLLIN EPOLLET);
use PublicInbox::Sigfd;
use PublicInbox::DS qw(now dwaitpid);
use PublicInbox::Spawn qw(spawn popen_rd);
-use PublicInbox::OnDestroy;
-use Text::Wrap qw(wrap);
+use PublicInbox::Lock;
use Time::HiRes qw(stat); # ctime comparisons for config cache
use File::Path qw(mkpath);
use File::Spec;
.'/lei/config');
}
-# TODO: generate shell completion + help using %CMD and %OPTDESC
+sub index_opt {
+ # TODO: drop underscore variants everywhere, they're undocumented
+ qw(fsync|sync! jobs|j=i indexlevel|L=s compact
+ max_size|max-size=s sequential_shard|sequential-shard
+ batch_size|batch-size=s skip-docdata)
+}
+
+# we generate shell completion + help using %CMD and %OPTDESC,
+# see lei__complete() and PublicInbox::LeiHelp
# command => [ positional_args, 1-line description, Getopt::Long option spec ]
our %CMD = ( # sorted in order of importance/use:
-'q' => [ 'SEARCH_TERMS...', 'search for messages matching terms', qw(
- save-as=s output|mfolder|o=s format|f=s dedupe|d=s thread|t augment|a
+'q' => [ '--stdin|SEARCH_TERMS...', 'search for messages matching terms', qw(
+ save-as=s output|mfolder|o=s format|f=s dedupe|d=s threads|t augment|a
sort|s=s reverse|r offset=i remote! local! external! pretty
- mua-cmd|mua=s no-torsocks torsocks=s verbose|v
- received-after=s received-before=s sent-after=s sent-since=s),
+ include|I=s@ exclude=s@ only=s@ jobs|j=s globoff|g stdin|
+ alert=s@ mua=s no-torsocks torsocks=s verbose|v+ quiet|q),
PublicInbox::LeiQuery::curl_opt(), opt_dash('limit|n=i', '[0-9]+') ],
'show' => [ 'MID|OID', 'show a given object (Message-ID or object ID)',
- qw(type=s solve! format|f=s dedupe|d=s thread|t remote local!),
+ qw(type=s solve! format|f=s dedupe|d=s threads|t remote local!),
pass_through('git show') ],
-'add-external' => [ 'URL_OR_PATHNAME',
+'add-external' => [ 'LOCATION',
'add/set priority of a publicinbox|extindex for extra matches',
- qw(boost=i quiet|q) ],
+ qw(boost=i c=s@ mirror=s no-torsocks torsocks=s inbox-version=i),
+ qw(quiet|q verbose|v+),
+ index_opt(), PublicInbox::LeiQuery::curl_opt() ],
'ls-external' => [ '[FILTER...]', 'list publicinbox|extindex locations',
qw(format|f=s z|0 local remote quiet|q) ],
-'forget-external' => [ 'URL_OR_PATHNAME...|--prune',
+'forget-external' => [ 'LOCATION...|--prune',
'exclude further results from a publicinbox|extindex',
qw(prune quiet|q) ],
'rm-query' => [ 'QUERY_NAME', 'remove a saved search' ],
'mv-query' => [ qw(OLD_NAME NEW_NAME), 'rename a saved search' ],
-'plonk' => [ '--thread|--from=IDENT',
- 'exclude mail matching From: or thread from non-Message-ID searches',
- qw(stdin| thread|t from|f=s mid=s oid=s) ],
+'plonk' => [ '--threads|--from=IDENT',
+ 'exclude mail matching From: or threads from non-Message-ID searches',
+ qw(stdin| threads|t from|f=s mid=s oid=s) ],
'mark' => [ 'MESSAGE_FLAGS...',
- 'set/unset flags on message(s) from stdin',
+ 'set/unset keywords on message(s) from stdin',
qw(stdin| oid=s exact by-mid|mid:s) ],
'forget' => [ '[--stdin|--oid=OID|--by-mid=MID]',
"exclude message(s) on stdin from `q' search results",
qw(stdin| oid=s exact by-mid|mid:s quiet|q) ],
-'purge-mailsource' => [ 'URL_OR_PATHNAME|--all',
+'purge-mailsource' => [ 'LOCATION|--all',
'remove imported messages from IMAP, Maildirs, and MH',
qw(exact! all jobs:i indexed) ],
# code repos are used for `show' to solve blobs from patch mails
-'add-coderepo' => [ 'PATHNAME', 'add or set priority of a git code repo',
+'add-coderepo' => [ 'DIRNAME', 'add or set priority of a git code repo',
qw(boost=i) ],
'ls-coderepo' => [ '[FILTER_TERMS...]',
'list known code repos', qw(format|f=s z) ],
-'forget-coderepo' => [ 'PATHNAME',
+'forget-coderepo' => [ 'DIRNAME',
'stop using repo to solve blobs from patches',
qw(prune) ],
-'add-watch' => [ '[URL_OR_PATHNAME]',
- 'watch for new messages and flag changes',
- qw(import! flags! interval=s recursive|r exclude=s include=s) ],
+'add-watch' => [ 'LOCATION', 'watch for new messages and flag changes',
+ qw(import! kw|keywords|flags! interval=s recursive|r
+ exclude=s include=s) ],
'ls-watch' => [ '[FILTER...]', 'list active watches with numbers and status',
qw(format|f=s z) ],
'pause-watch' => [ '[WATCH_NUMBER_OR_FILTER]', qw(all local remote) ],
'forget-watch' => [ '{WATCH_NUMBER|--prune}', 'stop and forget a watch',
qw(prune) ],
-'import' => [ 'URL_OR_PATHNAME|--stdin',
- 'one-shot import/update from URL or filesystem',
- qw(stdin| offset=i recursive|r exclude=s include=s !flags),
+'import' => [ 'LOCATION...|--stdin',
+ 'one-time import/update from URL or filesystem',
+ qw(stdin| offset=i recursive|r exclude=s include|I=s
+ format|f=s kw|keywords|flags!),
],
'config' => [ '[...]', sub {
'git-config(1) wrapper for '._config_path($_[0]);
}, qw(config-file|system|global|file|f=s), # for conflict detection
pass_through('git config') ],
-'init' => [ '[PATHNAME]', sub {
- 'initialize storage, default: '._store_path($_[0]);
+'init' => [ '[DIRNAME]', sub {
+ "initialize storage, default: "._store_path($_[0]);
}, qw(quiet|q) ],
'daemon-kill' => [ '[-SIGNAL]', 'signal the lei-daemon',
opt_dash('signal|s=s', '[0-9]+|(?:[A-Z][A-Z0-9]+)') ],
# $spec => [@ALLOWED_VALUES (default is first), $description],
# $spec => $description
# "$SUB_COMMAND TAB $spec" => as above
-my $stdin_formats = [ 'IN|auto|raw|mboxrd|mboxcl2|mboxcl|mboxo',
- 'specify message input format' ];
+my $stdin_formats = [ 'MAIL_FORMAT|eml|mboxrd|mboxcl2|mboxcl|mboxo',
+ 'specify message input format' ];
my $ls_format = [ 'OUT|plain|json|null', 'listing output format' ];
+# we use \x{a0} (non-breaking SP) to avoid wrapping in PublicInbox::LeiHelp
my %OPTDESC = (
'help|h' => 'show this built-in help',
'quiet|q' => 'be quiet',
-'verbose|v' => 'be more verbose',
+'globoff|g' => "do not match locations using '*?' wildcards ".
+ "and\xa0'[]'\x{a0}ranges",
+'verbose|v+' => 'be more verbose',
'solve!' => 'do not attempt to reconstruct blobs from emails',
-'torsocks=s' => ['auto|no|yes',
+'torsocks=s' => ['VAL|auto|no|yes',
'whether or not to wrap git and curl commands with torsocks'],
'no-torsocks' => 'alias for --torsocks=no',
'save-as=s' => ['NAME', 'save a search terms by given name'],
'type=s' => [ 'any|mid|git', 'disambiguate type' ],
-'dedupe|d=s' => ['STRAT|content|oid|mid|none',
+'dedupe|d=s' => ['STRATEGY|content|oid|mid|none',
'deduplication strategy'],
-'show thread|t' => 'display entire thread a message belongs to',
-'q thread|t' =>
- 'return all messages in the same thread as the actual match(es)',
+'show threads|t' => 'display entire thread a message belongs to',
+'q threads|t' =>
+ 'return all messages in the same threads as the actual match(es)',
+'alert=s@' => ['CMD,-WINCH,-bell,<any command>',
+ 'run command(s) or perform ops when done writing to output ' .
+ '(default: "-WINCH,-bell" with --mua and Maildir/IMAP output, ' .
+ 'nothing otherwise)' ],
+
'augment|a' => 'augment --output destination instead of clobbering',
-'output|mfolder|o=s' => [ 'DEST',
- "destination (e.g. `/path/to/Maildir', or `-' for stdout)" ],
-'mua-cmd|mua=s' => [ 'COMMAND',
- "MUA to run on --output Maildir or mbox (e.g. `mutt -f %f'" ],
+'output|mfolder|o=s' => [ 'MFOLDER',
+ "destination (e.g.\xa0`/path/to/Maildir', ".
+ "or\xa0`-'\x{a0}for\x{a0}stdout)" ],
+'mua=s' => [ 'CMD',
+ "MUA to run on --output Maildir or mbox (e.g.\xa0`mutt\xa0-f\xa0%f')" ],
'show format|f=s' => [ 'OUT|plain|raw|html|mboxrd|mboxcl2|mboxcl',
'message/object output format' ],
'mark format|f=s' => $stdin_formats,
'forget format|f=s' => $stdin_formats,
+
+'add-external inbox-version=i' => [ 'NUM|1|2',
+ 'force a public-inbox version with --mirror'],
+'add-external mirror=s' => [ 'URL', 'mirror a public-inbox'],
+
+# public-inbox-index options
+'add-external jobs|j=i' => 'set parallelism when indexing after --mirror',
+'fsync!' => 'speed up indexing after --mirror, risk index corruption',
+'compact' => 'run compact index after mirroring',
+'indexlevel|L=s' => [ 'LEVEL|full|medium|basic',
+ "indexlevel with --mirror (default: full)" ],
+'max_size|max-size=s' => [ 'SIZE',
+ 'do not index messages larger than SIZE (default: infinity)' ],
+'batch_size|batch-size=s' => [ 'SIZE',
+ 'flush changes to OS after given number of bytes (default: 1m)' ],
+'sequential_shard|sequential-shard' =>
+ 'index Xapian shards sequentially for slow storage',
+'skip-docdata' =>
+ 'drop compatibility w/ public-inbox <1.6 to save ~1.5% space',
+
'q format|f=s' => [
'OUT|maildir|mboxrd|mboxcl2|mboxcl|mboxo|html|json|jsonl|concatjson',
'specify output format, default depends on --output'],
+'q exclude=s@' => [ 'LOCATION',
+ 'exclude specified external(s) from search' ],
+'q include|I=s@' => [ 'LOCATION',
+ 'include specified external(s) in search' ],
+'q only=s@' => [ 'LOCATION',
+ 'only use specified external(s) for search' ],
+
+'q jobs=s' => [ '[SEARCH_JOBS][,WRITER_JOBS]',
+ 'control number of search and writer jobs' ],
+
+'import format|f=s' => $stdin_formats,
+
'ls-query format|f=s' => $ls_format,
'ls-external format|f=s' => $ls_format,
'limit|n=i@' => ['NUM', 'limit on number of matches (default: 10000)' ],
'offset=i' => ['OFF', 'search result offset (default: 0)'],
-'sort|s=s' => [ 'VAL|received,relevance,docid',
- "order of results `--output'-dependent"],
-'reverse|r' => [ 'reverse search results' ], # like sort(1)
+'sort|s=s' => [ 'VAL|received|relevance|docid',
+ "order of results is `--output'-dependent"],
+'reverse|r' => 'reverse search results', # like sort(1)
'boost=i' => 'increase/decrease priority of results (default: 0)',
'exact!' => 'rely on content match instead of exact header matches',
'by-mid|mid:s' => [ 'MID', 'match only by Message-ID, ignoring contents' ],
-'jobs:i' => 'set parallelism level',
+
+'kw|keywords|flags!' => 'disable/enable importing flags',
# xargs, env, use "-0", git(1) uses "-z". We support z|0 everywhere
'z|0' => 'use NUL \\0 instead of newline (CR) to delimit lines',
'leistore.dir' => 'top-level storage location',
);
+my @WQ_KEYS = qw(lxs l2m imp mrr); # internal workers
+
# pronounced "exit": x_it(1 << 8) => exit(1); x_it(13) => SIGPIPE
sub x_it ($$) {
my ($self, $code) = @_;
# make sure client sees stdout before exit
$self->{1}->autoflush(1) if $self->{1};
dump_and_clear_log();
- if (my $sock = $self->{sock}) {
- send($sock, "x_it $code", MSG_EOR);
- } elsif (!($code & 127)) { # oneshot, ignore signals
+ if (my $s = $self->{pkt_op_p} // $self->{sock}) {
+ send($s, "x_it $code", MSG_EOR);
+ } elsif ($self->{oneshot}) {
# don't want to end up using $? from child processes
- for my $f (qw(lxs l2m)) {
+ for my $f (@WQ_KEYS) {
my $wq = delete $self->{$f} or next;
$wq->DESTROY;
}
- $quit->($code >> 8);
- }
+ # cleanup anything that has tempfiles
+ delete @$self{qw(ovv dedupe)};
+ if (my $signum = ($code & 127)) { # usually SIGPIPE (13)
+ $SIG{PIPE} = 'DEFAULT'; # $SIG{$signum} doesn't work
+ kill $signum, $$;
+ sleep(1) while 1; # wait for signal
+ } else {
+ $quit->($code >> 8);
+ }
+ } # else ignore if client disconnected
}
-sub puts ($;@) { print { shift->{1} } map { "$_\n" } @_ }
-
-sub out ($;@) { print { shift->{1} } @_ }
-
sub err ($;@) {
my $self = shift;
- my $err = $self->{2} // ($self->{pgr} // [])->[2] // *STDERR{IO};
- print $err @_, (substr($_[-1], -1, 1) eq "\n" ? () : "\n");
+ my $err = $self->{2} // ($self->{pgr} // [])->[2] // *STDERR{GLOB};
+ my @eor = (substr($_[-1]//'', -1, 1) eq "\n" ? () : ("\n"));
+ print $err @_, @eor and return;
+ my $old_err = delete $self->{2};
+ close($old_err) if $! == EPIPE && $old_err;
+ $err = $self->{2} = ($self->{pgr} // [])->[2] // *STDERR{GLOB};
+ print $err @_, @eor or print STDERR @_, @eor;
}
sub qerr ($;@) { $_[0]->{opt}->{quiet} or err(shift, @_) }
+sub fail_handler ($;$$) {
+ my ($lei, $code, $io) = @_;
+ for my $f (@WQ_KEYS) {
+ my $wq = delete $lei->{$f} or next;
+ $wq->wq_wait_old(undef, $lei) if $wq->wq_kill_old; # lei-daemon
+ }
+ close($io) if $io; # needed to avoid warnings on SIGPIPE
+ $lei->x_it($code // (1 >> 8));
+}
+
+sub sigpipe_handler { # handles SIGPIPE from @WQ_KEYS workers
+ fail_handler($_[0], 13, delete $_[0]->{1});
+}
+
+# PublicInbox::OnDestroy callback for SIGINT to take out the entire pgid
+sub sigint_reap {
+ my ($pgid) = @_;
+ dwaitpid($pgid) if kill('-INT', $pgid);
+}
+
sub fail ($$;$) {
my ($self, $buf, $exit_code) = @_;
- err($self, $buf);
+ err($self, $buf) if defined $buf;
+ # calls fail_handler:
+ send($self->{pkt_op_p}, '!', MSG_EOR) if $self->{pkt_op_p};
x_it($self, ($exit_code // 1) << 8);
undef;
}
+sub out ($;@) {
+ my $self = shift;
+ return if print { $self->{1} // return } @_; # likely
+ return note_sigpipe($self, 1) if $! == EPIPE;
+ my $err = "error writing to stdout: $!";
+ delete $self->{1};
+ fail($self, $err);
+}
+
+sub puts ($;@) { out(shift, map { "$_\n" } @_) }
+
sub child_error { # passes non-fatal curl exit codes to user
- my ($self, $child_error) = @_; # child_error is $?
- if (my $sock = $self->{sock}) { # send to lei(1) client
- send($sock, "child_error $child_error", MSG_EOR);
- } else { # oneshot
+ my ($self, $child_error, $msg) = @_; # child_error is $?
+ $self->err($msg) if $msg;
+ if (my $s = $self->{pkt_op_p} // $self->{sock}) {
+ # send to the parent lei-daemon or to lei(1) client
+ send($s, "child_error $child_error", MSG_EOR);
+ } elsif (!$PublicInbox::DS::in_loop) {
$self->{child_error} = $child_error;
- }
- undef;
+ } # else noop if client disconnected
}
-sub atfork_prepare_wq {
- my ($self, $wq) = @_;
- my $tcafc = $wq->{-ipc_atfork_child_close} //= [ $listener // () ];
- if (my $sock = $self->{sock}) {
- push @$tcafc, @$self{qw(0 1 2 3)}, $sock;
+sub note_sigpipe { # triggers sigpipe_handler
+ my ($self, $fd) = @_;
+ close(delete($self->{$fd})); # explicit close silences Perl warning
+ send($self->{pkt_op_p}, '|', MSG_EOR) if $self->{pkt_op_p};
+ x_it($self, 13);
+}
+
+sub lei_atfork_child {
+ my ($self, $persist) = @_;
+ # we need to explicitly close things which are on stack
+ if ($persist) {
+ my @io = delete @$self{0,1,2};
+ unless ($self->{oneshot}) {
+ close($_) for @io;
+ }
+ } else {
+ delete $self->{0};
}
- if (my $pgr = $self->{pgr}) {
- push @$tcafc, @$pgr[1,2];
+ for (delete @$self{qw(3 sock old_1 au_done)}) {
+ close($_) if defined($_);
}
- if (my $old_1 = $self->{old_1}) {
- push @$tcafc, $old_1;
+ if (my $op_c = delete $self->{pkt_op_c}) {
+ close(delete $op_c->{sock});
}
- for my $f (qw(lxs l2m)) {
- my $ipc = $self->{$f} or next;
- push @$tcafc, grep { defined }
- @$ipc{qw(-wq_s1 -wq_s2 -ipc_req -ipc_res)};
+ if (my $pgr = delete $self->{pgr}) {
+ close($_) for (@$pgr[1,2]);
}
-}
-
-# usage: my %sig = $lei->atfork_child_wq($wq);
-# local @SIG{keys %sig} = values %sig;
-sub atfork_child_wq {
- my ($self, $wq) = @_;
- my ($sock, $l2m_wq_s1);
- (@$self{qw(0 1 2)}, $sock, $l2m_wq_s1) = delete(@$wq{0..4});
- $self->{sock} = $sock if -S $sock;
- $self->{l2m}->{-wq_s1} = $l2m_wq_s1 if $l2m_wq_s1 && -S $l2m_wq_s1;
+ close $listener if $listener;
+ undef $listener;
%PATH2CFG = ();
undef $errors_log;
$quit = \&CORE::exit;
- (__WARN__ => sub { err($self, @_) },
- PIPE => sub {
- $self->x_it(13); # SIGPIPE = 13
- # we need to close explicitly to avoid Perl warning on SIGPIPE
- for my $i (1, 2) {
- next unless $self->{$i} && (-p $self->{$i} || -S _);
- close(delete $self->{$i});
- }
- # trigger the LeiXSearch $done OpPipe:
- syswrite($self->{0}, '!') if $self->{0} && -p $self->{0};
- $SIG{PIPE} = 'DEFAULT';
- die bless(\"$_[0]", 'PublicInbox::SIGPIPE'),
- });
+ $current_lei = $persist ? undef : $self; # for SIG{__WARN__}
}
-# usage: ($lei, @io) = $lei->atfork_parent_wq($wq);
-sub atfork_parent_wq {
- my ($self, $wq) = @_;
- my $env = delete $self->{env}; # env is inherited at fork
- my $ret = bless { %$self }, ref($self);
- if (my $dedupe = delete $ret->{dedupe}) {
- $ret->{dedupe} = $wq->deep_clone($dedupe);
- }
- $self->{env} = $env;
- delete @$ret{qw(3 -lei_store cfg old_1 pgr lxs)}; # keep l2m
- my @io = delete @$ret{0..2};
- $io[3] = delete($ret->{sock}) // $io[2];
- my $l2m = $ret->{l2m};
- if ($l2m && $l2m != $wq) { # $wq == lxs
- $io[4] = $l2m->{-wq_s1} if $l2m->{-wq_s1};
- $l2m->wq_close(1);
- }
- ($ret, @io);
-}
-
-sub _help ($;$) {
- my ($self, $errmsg) = @_;
- my $cmd = $self->{cmd} // 'COMMAND';
- my @info = @{$CMD{$cmd} // [ '...', '...' ]};
- my @top = ($cmd, shift(@info) // ());
- my $cmd_desc = shift(@info);
- $cmd_desc = $cmd_desc->($self) if ref($cmd_desc) eq 'CODE';
- my @opt_desc;
- my $lpad = 2;
- for my $sw (grep { !ref } @info) { # ("prio=s", "z", $GLP_PASS)
- my $desc = $OPTDESC{"$cmd\t$sw"} // $OPTDESC{$sw} // next;
- my $arg_vals = '';
- ($arg_vals, $desc) = @$desc if ref($desc) eq 'ARRAY';
-
- # lower-case is a keyword (e.g. `content', `oid'),
- # ALL_CAPS is a string description (e.g. `PATH')
- if ($desc !~ /default/ && $arg_vals =~ /\b([a-z]+)[,\|]/) {
- $desc .= "\ndefault: `$1'";
- }
- my (@vals, @s, @l);
- my $x = $sw;
- if ($x =~ s/!\z//) { # solve! => --no-solve
- $x = "no-$x";
- } elsif ($x =~ s/:.+//) { # optional args: $x = "mid:s"
- @vals = (' [', undef, ']');
- } elsif ($x =~ s/=.+//) { # required arg: $x = "type=s"
- @vals = (' ', undef);
- } # else: no args $x = 'thread|t'
- for (split(/\|/, $x)) { # help|h
- length($_) > 1 ? push(@l, "--$_") : push(@s, "-$_");
- }
- if (!scalar(@vals)) { # no args 'thread|t'
- } elsif ($arg_vals =~ s/\A([A-Z_]+)\b//) { # "NAME"
- $vals[1] = $1;
- } else {
- $vals[1] = uc(substr($l[0], 2)); # "--type" => "TYPE"
- }
- if ($arg_vals =~ /([,\|])/) {
- my $sep = $1;
- my @allow = split(/\Q$sep\E/, $arg_vals);
- my $must = $sep eq '|' ? 'Must' : 'Can';
- @allow = map { "`$_'" } @allow;
- my $last = pop @allow;
- $desc .= "\n$must be one of: " .
- join(', ', @allow) . " or $last";
- }
- my $lhs = join(', ', @s, @l) . join('', @vals);
- if ($x =~ /\|\z/) { # "stdin|" or "clear|"
- $lhs =~ s/\A--/- , --/;
- } else {
- $lhs =~ s/\A--/ --/; # pad if no short options
- }
- $lpad = length($lhs) if length($lhs) > $lpad;
- push @opt_desc, $lhs, $desc;
- }
- my $msg = $errmsg ? "E: $errmsg\n" : '';
- $msg .= <<EOF;
-usage: lei @top
- $cmd_desc
-
-EOF
- $lpad += 2;
- local $Text::Wrap::columns = 78 - $lpad;
- my $padding = ' ' x ($lpad + 2);
- while (my ($lhs, $rhs) = splice(@opt_desc, 0, 2)) {
- $msg .= ' '.pack("A$lpad", $lhs);
- $rhs = wrap('', '', $rhs);
- $rhs =~ s/\n/\n$padding/sg; # LHS pad continuation lines
- $msg .= $rhs;
- $msg .= "\n";
- }
- print { $self->{$errmsg ? 2 : 1} } $msg;
- x_it($self, $errmsg ? 1 << 8 : 0); # stderr => failure
- undef;
+sub _help {
+ require PublicInbox::LeiHelp;
+ PublicInbox::LeiHelp::call($_[0], $_[1], \%CMD, \%OPTDESC);
}
sub optparse ($$$) {
my ($self, $cmd, $argv) = @_;
+ # allow _complete --help to complete, not show help
+ return 1 if substr($cmd, 0, 1) eq '_';
$self->{cmd} = $cmd;
$OPT = $self->{opt} = {};
my $info = $CMD{$cmd} // [ '[...]' ];
} elsif ($var =~ /\A\[-?$POS_ARG\]\z/) { # one optional arg
$i++;
} elsif ($var =~ /\A.+?\|/) { # required FOO|--stdin
+ $inf = 1 if index($var, '...') > 0;
my @or = split(/\|/, $var);
my $ok;
for my $o (@or) {
if ($o =~ /\A--([a-z0-9\-]+)/) {
$ok = defined($OPT->{$1});
- last;
+ last if $ok;
} elsif (defined($argv->[$i])) {
$ok = 1;
$i++;
x_it($self, $?) if $?;
}
+sub lei_import {
+ require PublicInbox::LeiImport;
+ PublicInbox::LeiImport->call(@_);
+}
+
sub lei_init {
my ($self, $dir) = @_;
my $cfg = _lei_cfg($self, 1);
get-color-name get-colorbool);
# fall-through
}
- puts $self, grep(/$re/, map { # generate short/long names
+ # generate short/long names from Getopt::Long specs
+ puts $self, grep(/$re/, qw(--help -h), map {
if (s/[:=].+\z//) { # req/optional args, e.g output|o=i
- } else { # negation: solve! => no-solve|solve
- s/\A(.+)!\z/no-$1|$1/;
+ } elsif (s/\+\z//) { # verbose|v+
+ } elsif (s/!\z//) {
+ # negation: solve! => no-solve|solve
+ s/([\w\-]+)/$1|no-$1/g
}
map {
my $x = length > 1 ? "--$_" : "-$_";
$x eq $cur ? () : $x;
- } split(/\|/, $_, -1) # help|h
+ } grep(!/_/, split(/\|/, $_, -1)) # help|h
} grep { $OPTDESC{"$cmd\t$_"} || $OPTDESC{$_} } @spec);
} elsif ($cmd eq 'config' && !@argv && !$CONFIG_KEYS{$cur}) {
puts $self, grep(/$re/, keys %CONFIG_KEYS);
my $opt = quotemeta $1;
puts $self, map {
my $v = $OPTDESC{$_};
- $v = $v->[0] if ref($v);
- my @v = split(/\|/, $v);
+ my @v = ref($v) ? split(/\|/, $v->[0]) : ();
# get rid of ALL CAPS placeholder (e.g "OUT")
# (TODO: completion for external paths)
shift(@v) if uc($v[0]) eq $v[0];
sub start_mua {
my ($self) = @_;
- my $mua = $self->{opt}->{'mua-cmd'} // return;
+ my $mua = $self->{opt}->{mua} // return;
my $mfolder = $self->{ovv}->{dst};
my (@cmd, $replaced);
if ($mua =~ /\A(?:mutt|mailx|mail|neomutt)\z/) {
# TODO: help wanted: other common FOSS MUAs
} else {
require Text::ParseWords;
- my @cmd = Text::ParseWords::shellwords($mua);
+ @cmd = Text::ParseWords::shellwords($mua);
# mutt uses '%f' for open-hook with compressed mbox, we follow
@cmd = map { $_ eq '%f' ? ($replaced = $mfolder) : $_ } @cmd;
}
push @cmd, $mfolder unless defined($replaced);
if (my $sock = $self->{sock}) { # lei(1) client process runs it
send($sock, exec_buf(\@cmd, {}), MSG_EOR);
- } else { # oneshot
- $self->{"mua.pid.$self.$$"} = spawn(\@cmd);
+ } elsif ($self->{oneshot}) {
+ $self->{"pid.$self.$$"}->{spawn(\@cmd)} = \@cmd;
+ }
+ if ($self->{lxs} && $self->{au_done}) { # kick wait_startq
+ syswrite($self->{au_done}, 'q' x ($self->{lxs}->{jobs} // 0));
+ }
+ $self->{opt}->{quiet} = 1;
+ delete $self->{-progress};
+ delete $self->{opt}->{verbose};
+}
+
+sub poke_mua { # forces terminal MUAs to wake up and hopefully notice new mail
+ my ($self) = @_;
+ my $alerts = $self->{opt}->{alert} // return;
+ while (my $op = shift(@$alerts)) {
+ if ($op eq '-WINCH') {
+ # hit the process group that started the MUA
+ if ($self->{sock}) {
+ send($self->{sock}, '-WINCH', MSG_EOR);
+ } elsif ($self->{oneshot}) {
+ kill('-WINCH', $$);
+ }
+ } elsif ($op eq '-bell') {
+ out($self, "\a");
+ } elsif ($op =~ /(?<!\\),/) { # bare ',' (not ',,')
+ push @$alerts, split(/(?<!\\),/, $op);
+ } elsif ($op =~ m!\A([/a-z0-9A-Z].+)!) {
+ my $cmd = $1; # run an arbitrary command
+ require Text::ParseWords;
+ $cmd = [ Text::ParseWords::shellwords($cmd) ];
+ if (my $s = $self->{sock}) {
+ send($s, exec_buf($cmd, {}), MSG_EOR);
+ } elsif ($self->{oneshot}) {
+ $self->{"pid.$self.$$"}->{spawn($cmd)} = $cmd;
+ }
+ } else {
+ err($self, "W: unsupported --alert=$op"); # non-fatal
+ }
}
}
chomp(my $pager = <$fh> // '');
close($fh) or warn "`git var PAGER' error: \$?=$?";
return if $pager eq 'cat' || $pager eq '';
- # TODO TIOCGWINSZ
- my $new_env = { LESS => 'FRX', LV => '-c', COLUMNS => 80 };
+ my $new_env = { LESS => 'FRX', LV => '-c' };
$new_env->{MORE} = 'FRX' if $^O eq 'freebsd';
pipe(my ($r, $wpager)) or return warn "pipe: $!";
my $rdr = { 0 => $r, 1 => $self->{1}, 2 => $self->{2} };
- my $pgr = [ undef, @$rdr{1, 2}, $$ ];
+ my $pgr = [ undef, @$rdr{1, 2} ];
if (my $sock = $self->{sock}) { # lei(1) process runs it
delete @$new_env{keys %$env}; # only set iff unset
my $fds = [ map { fileno($_) } @$rdr{0..2} ];
$send_cmd->($sock, $fds, exec_buf([$pager], $new_env), MSG_EOR);
+ } elsif ($self->{oneshot}) {
+ my $cmd = [$pager];
+ $self->{"pid.$self.$$"}->{spawn($cmd, $new_env, $rdr)} = $cmd;
} else {
- $pgr->[0] = spawn([$pager], $new_env, $rdr);
+ die 'BUG: start_pager w/o socket';
}
$self->{1} = $wpager;
$self->{2} = $wpager if -t $self->{2};
$self->{2} = $pgr->[2];
# do not restore original stdout, just close it so we error out
close(delete($self->{1})) if $self->{1};
- my $pid = $pgr->[0];
- dwaitpid($pid, undef, $self->{sock}) if $pid && $pgr->[3] == $$;
}
sub accept_dispatch { # Listener {post_accept} callback
$sock->autoflush(1);
my $self = bless { sock => $sock }, __PACKAGE__;
vec(my $rvec = '', fileno($sock), 1) = 1;
- select($rvec, undef, undef, 1) or
+ select($rvec, undef, undef, 60) or
return send($sock, 'timed out waiting to recv FDs', MSG_EOR);
- my @fds = $recv_cmd->($sock, my $buf, 4096 * 33); # >MAX_ARG_STRLEN
+ # (4096 * 33) >MAX_ARG_STRLEN
+ my @fds = $recv_cmd->($sock, my $buf, 4096 * 33) or return; # EOF
if (scalar(@fds) == 4) {
for my $i (0..3) {
my $fd = shift(@fds);
open($self->{$i}, '+<&=', $fd) and next;
send($sock, "open(+<&=$fd) (FD=$i): $!", MSG_EOR);
}
+ } elsif (!defined($fds[0])) {
+ warn(my $msg = "recv_cmd failed: $!");
+ return send($sock, $msg, MSG_EOR);
} else {
- return send($sock, "recv_cmd failed: $!", MSG_EOR);
+ return;
}
$self->{2}->autoflush(1); # keep stdout buffered until x_it|DESTROY
# $ENV_STR = join('', map { "\0$_=$ENV{$_}" } keys %ENV);
sub dclose {
my ($self) = @_;
- for my $f (qw(lxs l2m)) {
+ delete $self->{-progress};
+ for my $f (@WQ_KEYS) {
my $wq = delete $self->{$f} or next;
if ($wq->wq_kill) {
- $wq->wq_close
+ $wq->wq_close(0, undef, $self);
} elsif ($wq->wq_kill_old) {
- $wq->wq_wait_old;
+ $wq->wq_wait_old(undef, $self);
}
}
close(delete $self->{1}) if $self->{1}; # may reap_compress
sub event_step_init {
my ($self) = @_;
if (my $sock = $self->{sock}) { # using DS->EventLoop
- $sock->blocking(0);
$self->SUPER::new($sock, EPOLLIN|EPOLLET);
}
}
# lei(1) calls this when it can't connect
sub lazy_start {
my ($path, $errno, $narg) = @_;
- if ($errno == ECONNREFUSED) {
- unlink($path) or die "unlink($path): $!";
- } elsif ($errno != ENOENT) {
+ local ($errors_log, $listener);
+ ($errors_log) = ($path =~ m!\A(.+?/)[^/]+\z!);
+ $errors_log .= 'errors.log';
+ my $addr = pack_sockaddr_un($path);
+ my $lk = bless { lock_path => $errors_log }, 'PublicInbox::Lock';
+ $lk->lock_acquire;
+ socket($listener, AF_UNIX, SOCK_SEQPACKET, 0) or die "socket: $!";
+ if ($errno == ECONNREFUSED || $errno == ENOENT) {
+ return if connect($listener, $addr); # another process won
+ if ($errno == ECONNREFUSED && -S $path) {
+ unlink($path) or die "unlink($path): $!";
+ }
+ } else {
$! = $errno; # allow interpolation to stringify in die
die "connect($path): $!";
}
umask(077) // die("umask(077): $!");
- local $listener;
- socket($listener, AF_UNIX, SOCK_SEQPACKET, 0) or die "socket: $!";
- bind($listener, pack_sockaddr_un($path)) or die "bind($path): $!";
+ bind($listener, $addr) or die "bind($path): $!";
listen($listener, 1024) or die "listen: $!";
+ $lk->lock_release;
+ undef $lk;
my @st = stat($path) or die "stat($path): $!";
my $dev_ino_expect = pack('dd', $st[0], $st[1]); # dev+ino
local $oldset = PublicInbox::DS::block_signals();
require PublicInbox::Listener;
require PublicInbox::EOFpipe;
(-p STDOUT) or die "E: stdout must be a pipe\n";
- local $errors_log;
- ($errors_log) = ($path =~ m!\A(.+?/)[^/]+\z!);
- $errors_log .= 'errors.log';
open(STDIN, '+>>', $errors_log) or die "open($errors_log): $!";
STDIN->autoflush(1);
dump_and_clear_log("from previous daemon process:\n");
warn "$path dev/ino changed, quitting\n";
$path = undef;
}
- } elsif (defined($path)) {
- warn "stat($path): $!, quitting ...\n";
- undef $path; # don't unlink
+ } elsif (defined($path)) { # ENOENT is common
+ warn "stat($path): $!, quitting ...\n" if $! != ENOENT;
+ undef $path;
$quit->();
}
return 1 if defined($path);
# STDIN was redirected to /dev/null above, closing STDERR and
# STDOUT will cause the calling `lei' client process to finish
# reading the <$daemon> pipe.
- openlog($path, 'pid', 'user');
local $SIG{__WARN__} = sub {
- $current_lei ? err($current_lei, @_) : syslog('warning', "@_");
+ $current_lei ? err($current_lei, @_) : warn(
+ strftime('%Y-%m-%dT%H:%M:%SZ', gmtime(time))," $$ ", @_);
};
- my $on_destroy = PublicInbox::OnDestroy->new($$, sub {
- syslog('crit', "$@") if $@;
- });
open STDERR, '>&STDIN' or die "redirect stderr failed: $!";
open STDOUT, '>&STDIN' or die "redirect stdout failed: $!";
# $daemon pipe to `lei' closed, main loop begins:
PublicInbox::DS->EventLoop;
- @$on_destroy = (); # cancel on_destroy if we get here
exit($exit_code // 0);
}
local %PATH2CFG;
umask(077) // die("umask(077): $!");
my $self = bless {
+ oneshot => 1,
0 => *STDIN{GLOB},
1 => *STDOUT{GLOB},
2 => *STDERR{GLOB},
my ($self) = @_;
$self->{1}->autoflush(1) if $self->{1};
stop_pager($self);
- if (my $mua_pid = delete $self->{"mua.pid.$self.$$"}) {
- waitpid($mua_pid, 0);
- }
+ my $oneshot_pids = delete $self->{"pid.$self.$$"} or return;
+ waitpid($_, 0) for keys %$oneshot_pids;
}
1;