use PublicInbox::Sigfd;
use PublicInbox::DS qw(now dwaitpid);
use PublicInbox::Spawn qw(spawn popen_rd);
-use PublicInbox::OnDestroy;
+use PublicInbox::Lock;
+use PublicInbox::Eml;
use Time::HiRes qw(stat); # ctime comparisons for config cache
use File::Path qw(mkpath);
use File::Spec;
our $quit = \&CORE::exit;
-our ($current_lei, $errors_log, $listener);
-my ($recv_cmd, $send_cmd);
+our ($current_lei, $errors_log, $listener, $oldset, $dir_idle,
+ $recv_cmd, $send_cmd);
my $GLP = Getopt::Long::Parser->new;
$GLP->configure(qw(gnu_getopt no_ignore_case auto_abbrev));
my $GLP_PASS = Getopt::Long::Parser->new;
$GLP_PASS->configure(qw(gnu_getopt no_ignore_case auto_abbrev pass_through));
our %PATH2CFG; # persistent for socket daemon
+our $MDIR2CFGPATH; # /path/to/maildir => { /path/to/config => [ ino watches ] }
+our %LIVE_SOCK; # "GLOB(0x....)" => $lei->{sock}
# TBD: this is a documentation mechanism to show a subcommand
# (may) pass options through to another command:
($spec, '<>' => $cb, $GLP_PASS) # for Getopt::Long
}
-sub rel2abs ($$) {
+# rel2abs preserves symlinks in parent, unlike abs_path
+sub rel2abs {
my ($self, $p) = @_;
- return $p if index($p, '/') == 0; # already absolute
+ if (index($p, '/') == 0) { # already absolute
+ $p =~ tr!/!/!s; # squeeze redundant slashes
+ chop($p) if substr($p, -1, 1) eq '/';
+ return $p;
+ }
my $pwd = $self->{env}->{PWD};
+ my $cwd;
if (defined $pwd) {
- my $cwd = $self->{3} // getcwd() // die "getcwd(PWD=$pwd): $!";
+ my $xcwd = $self->{3} //
+ ($cwd = getcwd() // die "getcwd(PWD=$pwd): $!");
if (my @st_pwd = stat($pwd)) {
- my @st_cwd = stat($cwd) or die "stat($cwd): $!";
+ my @st_cwd = stat($xcwd) or die "stat($xcwd): $!";
"@st_pwd[1,0]" eq "@st_cwd[1,0]" or
- $self->{env}->{PWD} = $pwd = $cwd;
+ $self->{env}->{PWD} = $pwd = undef;
} else { # PWD was invalid
- delete $self->{env}->{PWD};
- undef $pwd;
+ $self->{env}->{PWD} = $pwd = undef;
}
}
- $pwd //= $self->{env}->{PWD} = getcwd() // die "getcwd(PWD=$pwd): $!";
+ $pwd //= $self->{env}->{PWD} = $cwd // getcwd() // die "getcwd: $!";
File::Spec->rel2abs($p, $pwd);
}
-sub _store_path ($) {
+# abs_path resolves symlinks in parent iff all parents exist
+sub abs_path { Cwd::abs_path($_[1]) // rel2abs(@_) }
+
+sub canonpath_harder {
+ my $p = $_[-1]; # $_[0] may be self
+ $p = File::Spec->canonpath($p);
+ $p =~ m!(?:/*|\A)\.\.(?:/*|\z)! && -e $p ? Cwd::abs_path($p) : $p;
+}
+
+sub share_path ($) { # $HOME/.local/share/lei/$FOO
my ($self) = @_;
rel2abs($self, ($self->{env}->{XDG_DATA_HOME} //
($self->{env}->{HOME} // '/nonexistent').'/.local/share')
- .'/lei/store');
+ .'/lei');
}
+sub store_path ($) { share_path($_[0]) . '/store' }
+
sub _config_path ($) {
my ($self) = @_;
rel2abs($self, ($self->{env}->{XDG_CONFIG_HOME} //
.'/lei/config');
}
+sub cache_dir ($) {
+ my ($self) = @_;
+ rel2abs($self, ($self->{env}->{XDG_CACHE_HOME} //
+ ($self->{env}->{HOME} // '/nonexistent').'/.cache')
+ .'/lei');
+}
+
+sub url_folder_cache {
+ my ($self) = @_;
+ require PublicInbox::SharedKV; # URI => updated_at_sec_
+ PublicInbox::SharedKV->new(cache_dir($self).'/uri_folder');
+}
+
+sub ale {
+ my ($self) = @_;
+ $self->{ale} //= do {
+ require PublicInbox::LeiALE;
+ $self->_lei_cfg(1)->{ale} //= PublicInbox::LeiALE->new($self);
+ };
+}
+
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
+ max_size|max-size=s sequential-shard
batch_size|batch-size=s skip-docdata)
}
+my @c_opt = qw(c=s@ C=s@ quiet|q);
+my @lxs_opt = (qw(remote! local! external! include|I=s@ exclude=s@ only=s@
+ import-remote! no-torsocks torsocks=s),
+ PublicInbox::LeiQuery::curl_opt());
+
+# we don't support -C as an alias for --find-copies since it's already
+# used for chdir
+our @diff_opt = qw(unified|U=i output-indicator-new=s output-indicator-old=s
+ output-indicator-context=s indent-heuristic!
+ minimal patience histogram anchored=s@ diff-algorithm=s
+ color-moved:s color-moved-ws=s no-color-moved no-color-moved-ws
+ word-diff:s word-diff-regex=s color-words:s no-renames
+ rename-empty! check ws-error-highlight=s full-index binary
+ abbrev:i break-rewrites|B:s find-renames|M:s find-copies:s
+ find-copies-harder irreversible-delete|D l=i diff-filter=s
+ S=s G=s find-object=s pickaxe-all pickaxe-regex O=s R
+ relative:s text|a ignore-cr-at-eol ignore-space-at-eol
+ ignore-space-change|b ignore-all-space|w ignore-blank-lines
+ inter-hunk-context=i function-context|W exit-code ext-diff
+ no-ext-diff textconv! src-prefix=s dst-prefix=s no-prefix
+ line-prefix=s);
+
# 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' => [ '--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
- include|I=s@ exclude=s@ only=s@ jobs|j=s globoff|g stdin|
- 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 threads|t remote local!),
- pass_through('git show') ],
+'q' => [ '--stdin|SEARCH_TERMS...', 'search for messages matching terms',
+ 'stdin|', # /|\z/ must be first for lone dash
+ @lxs_opt,
+ qw(save! output|mfolder|o=s format|f=s dedupe|d=s threads|t+
+ sort|s=s reverse|r offset=i pretty jobs|j=s globoff|g augment|a
+ import-before! lock=s@ rsyncable alert=s@ mua=s verbose|v+
+ shared color! mail-sync!), @c_opt, opt_dash('limit|n=i', '[0-9]+') ],
+
+'up' => [ 'OUTPUT...|--all', 'update saved search',
+ qw(jobs|j=s lock=s@ alert=s@ mua=s verbose|v+ all:s), @c_opt ],
+
+'lcat' => [ '--stdin|MSGID_OR_URL...', 'display local copy of message(s)',
+ 'stdin|', # /|\z/ must be first for lone dash
+ # some of these options are ridiculous for lcat
+ @lxs_opt, qw(output|mfolder|o=s format|f=s dedupe|d=s threads|t+
+ sort|s=s reverse|r offset=i jobs|j=s globoff|g augment|a
+ import-before! lock=s@ rsyncable alert=s@ mua=s verbose|v+
+ color!), @c_opt, opt_dash('limit|n=i', '[0-9]+') ],
+
+'blob' => [ 'OID', 'show a git blob, reconstructing from mail if necessary',
+ qw(git-dir=s@ cwd! verbose|v+ mail! oid-a|A=s path-a|a=s path-b|b=s),
+ @lxs_opt, @c_opt ],
+
+'rediff' => [ '--stdin|LOCATION...',
+ 'regenerate a diff with different options',
+ 'stdin|', # /|\z/ must be first for lone dash
+ qw(git-dir=s@ cwd! verbose|v+ color:s no-color),
+ @diff_opt, @lxs_opt, @c_opt ],
'add-external' => [ 'LOCATION',
'add/set priority of a publicinbox|extindex for extra matches',
- 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) ],
+ qw(boost=i mirror=s no-torsocks torsocks=s inbox-version=i
+ verbose|v+), @c_opt, index_opt(),
+ PublicInbox::LeiQuery::curl_opt() ],
+'ls-external' => [ '[FILTER]', 'list publicinbox|extindex locations',
+ qw(format|f=s z|0 globoff|g invert-match|v local remote), @c_opt ],
+'ls-label' => [ '', 'list labels', qw(z|0 stats:s), @c_opt ],
+'ls-mail-sync' => [ '[FILTER]', 'list mail sync folders',
+ qw(z|0 globoff|g invert-match|v local remote), @c_opt ],
+'ls-mail-source' => [ 'URL', 'list IMAP or NNTP mail source folders',
+ qw(z|0 ascii l url), @c_opt ],
'forget-external' => [ 'LOCATION...|--prune',
'exclude further results from a publicinbox|extindex',
- qw(prune quiet|q) ],
-
-'ls-query' => [ '[FILTER...]', 'list saved search queries',
- qw(name-only format|f=s z) ],
-'rm-query' => [ 'QUERY_NAME', 'remove a saved search' ],
-'mv-query' => [ qw(OLD_NAME NEW_NAME), 'rename a saved search' ],
-
+ qw(prune), @c_opt ],
+
+'ls-search' => [ '[PREFIX]', 'list saved search queries',
+ qw(format|f=s pretty l ascii z|0), @c_opt ],
+'forget-search' => [ 'OUTPUT', 'forget a saved search',
+ qw(verbose|v+), @c_opt ],
+'edit-search' => [ 'OUTPUT', "edit saved search via `git config --edit'",
+ @c_opt ],
+'rm' => [ '--stdin|LOCATION...',
+ 'remove a message from the index and prevent reindexing',
+ 'stdin|', # /|\z/ must be first for lone dash
+ @c_opt ],
'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 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) ],
+ qw(stdin| threads|t from|f=s mid=s oid=s), @c_opt ],
+'tag' => [ 'KEYWORDS...',
+ 'set/unset keywords and/or labels on message(s)',
+ qw(stdin| in-format|F=s input|i=s@ oid=s@ mid=s@),
+ qw(no-torsocks torsocks=s), PublicInbox::LeiQuery::curl_opt(), @c_opt,
+ pass_through('-kw:foo for delete') ],
'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' => [ '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' => [ 'DIRNAME',
- 'stop using repo to solve blobs from patches',
- qw(prune) ],
-
-'add-watch' => [ 'LOCATION', 'watch for new messages and flag changes',
- qw(import! kw|keywords|flags! interval=s recursive|r
- exclude=s include=s) ],
+ qw(exact! all jobs:i indexed), @c_opt ],
+
+'add-watch' => [ 'LOCATION...', 'watch for new messages and flag changes',
+ qw(poll-interval=s state=s recursive|r), @c_opt ],
+'rm-watch' => [ 'LOCATION...', 'remove specified watch(es)',
+ qw(recursive|r), @c_opt ],
'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) ],
-'resume-watch' => [ '[WATCH_NUMBER_OR_FILTER]', qw(all local remote) ],
+ qw(l z|0), @c_opt ],
+'pause-watch' => [ '[WATCH_NUMBER_OR_FILTER]', qw(all local remote), @c_opt ],
+'resume-watch' => [ '[WATCH_NUMBER_OR_FILTER]', qw(all local remote), @c_opt ],
'forget-watch' => [ '{WATCH_NUMBER|--prune}', 'stop and forget a watch',
- qw(prune) ],
+ qw(prune), @c_opt ],
+'index' => [ 'LOCATION...', 'one-time index from URL or filesystem',
+ qw(in-format|F=s kw! offset=i recursive|r exclude=s include|I=s
+ verbose|v+ incremental!),
+ PublicInbox::LeiQuery::curl_opt(), # mainly for --proxy=
+ @c_opt ],
'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!),
- ],
-
+ qw(stdin| offset=i recursive|r exclude=s include|I=s jobs=s new-only
+ lock=s@ in-format|F=s kw! verbose|v+ incremental! mail-sync!),
+ qw(no-torsocks torsocks=s), PublicInbox::LeiQuery::curl_opt(), @c_opt ],
+'forget-mail-sync' => [ 'LOCATION...',
+ 'forget sync information for a mail folder', @c_opt ],
+'prune-mail-sync' => [ 'LOCATION...|--all',
+ 'prune dangling sync data for a mail folder', 'all:s', @c_opt ],
+'export-kw' => [ 'LOCATION...|--all',
+ 'one-time export of keywords of sync sources',
+ qw(all:s mode=s), @c_opt ],
+'convert' => [ 'LOCATION...|--stdin',
+ 'one-time conversion from URL or filesystem to another format',
+ qw(stdin| in-format|F=s out-format|f=s output|mfolder|o=s lock=s@ kw!),
+ qw(no-torsocks torsocks=s), PublicInbox::LeiQuery::curl_opt(), @c_opt ],
+'p2q' => [ 'FILE|COMMIT_OID|--stdin',
+ "use a patch to generate a query for `lei q --stdin'",
+ qw(stdin| want|w=s@ uri debug), @c_opt ],
'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') ],
+ qw(c=s@ C=s@), pass_through('git config') ],
+'inspect' => [ 'ITEMS...', 'inspect lei/store and/or local external',
+ qw(pretty ascii dir=s), @c_opt ],
+
'init' => [ '[DIRNAME]', sub {
- "initialize storage, default: "._store_path($_[0]);
- }, qw(quiet|q) ],
+ "initialize storage, default: ".store_path($_[0]);
+ }, @c_opt ],
'daemon-kill' => [ '[-SIGNAL]', 'signal the lei-daemon',
+ # "-C DIR" conflicts with -CHLD, here, and chdir makes no sense, here
opt_dash('signal|s=s', '[0-9]+|(?:[A-Z][A-Z0-9]+)') ],
'daemon-pid' => [ '', 'show the PID of the lei-daemon' ],
'help' => [ '[SUBCOMMAND]', 'show help' ],
-# XXX do we need this?
-# 'git' => [ '[ANYTHING...]', 'git(1) wrapper', pass_through('git') ],
-
-'reorder-local-store-and-break-history' => [ '[REFNAME]',
- 'rewrite git history in an attempt to improve compression',
- 'gc!' ],
-
+# TODO
+#'reorder-local-store-and-break-history' => [ '[REFNAME]',
+# 'rewrite git history in an attempt to improve compression',
+# qw(gc!), @c_opt ],
+#'fuse-mount' => [ 'PATHNAME', 'expose lei/store as Maildir(s)', @c_opt ],
+#
# internal commands are prefixed with '_'
'_complete' => [ '[...]', 'internal shell completion helper',
pass_through('everything') ],
# we use \x{a0} (non-breaking SP) to avoid wrapping in PublicInbox::LeiHelp
my %OPTDESC = (
'help|h' => 'show this built-in help',
+'c=s@' => [ 'NAME=VALUE', 'set config option' ],
+'C=s@' => [ 'DIR', 'chdir to specify to directory' ],
'quiet|q' => 'be quiet',
+'lock=s@' => [ 'METHOD|dotlock|fcntl|flock|none',
+ 'mbox(5) locking method(s) to use (default: fcntl,dotlock)' ],
+
+'incremental! import' => 'import already seen IMAP and NNTP articles',
'globoff|g' => "do not match locations using '*?' wildcards ".
"and\xa0'[]'\x{a0}ranges",
+'invert-match|v' => 'select non-matching lines',
+'color!' => 'disable color (for --format=text)',
'verbose|v+' => 'be more verbose',
-'solve!' => 'do not attempt to reconstruct blobs from emails',
+'external!' => 'do not use externals',
+'mail!' => 'do not look in mail storage for OID',
+'cwd!' => 'do not look in git repo of current working directory',
+'oid-a|A=s' => 'pre-image OID',
+'path-a|a=s' => 'pre-image pathname associated with OID',
+'path-b|b=s' => 'post-image pathname associated with OID',
+'git-dir=s@' => 'additional git repository to scan',
+'dir=s inspect' => 'specify a inboxdir, extindex topdir or Xapian shard',
+'proxy=s' => [ 'PROTO://HOST[:PORT]', # shared with curl(1)
+ "proxy for (e.g. `socks5h://0:9050')" ],
'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'],
+'save!' => "do not save a search for `lei up'",
+'import-remote!' => 'do not memoize remote messages into local store',
'type=s' => [ 'any|mid|git', 'disambiguate type' ],
'dedupe|d=s' => ['STRATEGY|content|oid|mid|none',
'deduplication strategy'],
-'show threads|t' => 'display entire thread a message belongs to',
-'q threads|t' =>
+'threads|t+' =>
'return all messages in the same threads as the actual match(es)',
+
+'want|w=s@' => [ 'PREFIX|dfpost|dfn', # common ones in help...
+ 'search prefixes to extract (default: dfpost7)' ],
+
+'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' => [ 'MFOLDER',
"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')" ],
+'new-only import' => 'only import new messages from IMAP source',
-'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',
+'inbox-version=i' => [ 'NUM|1|2',
'force a public-inbox version with --mirror'],
-'add-external mirror=s' => [ 'URL', 'mirror a public-inbox'],
+'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',
'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' =>
+'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' => [
+'format|f=s q' => [
'OUT|maildir|mboxrd|mboxcl2|mboxcl|mboxo|html|json|jsonl|concatjson',
'specify output format, default depends on --output'],
-'q exclude=s@' => [ 'LOCATION',
+'exclude=s@ q' => [ 'LOCATION',
'exclude specified external(s) from search' ],
-'q include|I=s@' => [ 'LOCATION',
+'include|I=s@ q' => [ 'LOCATION',
'include specified external(s) in search' ],
-'q only=s@' => [ 'LOCATION',
+'only=s@ q' => [ 'LOCATION',
'only use specified external(s) for search' ],
-
-'q jobs=s' => [ '[SEARCH_JOBS][,WRITER_JOBS]',
+'jobs=s q' => [ '[SEARCH_JOBS][,WRITER_JOBS]',
'control number of search and writer jobs' ],
+'jobs|j=i add-external' => 'set parallelism when indexing after --mirror',
-'import format|f=s' => $stdin_formats,
-
-'ls-query format|f=s' => $ls_format,
-'ls-external format|f=s' => $ls_format,
+'in-format|F=s' => $stdin_formats,
+'format|f=s ls-search' => ['OUT|json|jsonl|concatjson',
+ 'listing output format' ],
+'l ls-search' => 'long listing format',
+'l ls-watch' => 'long listing format',
+'l ls-mail-source' => 'long listing format',
+'url ls-mail-source' => 'show full URL of newsgroup or IMAP folder',
+'format|f=s ls-external' => $ls_format,
'limit|n=i@' => ['NUM', 'limit on number of matches (default: 10000)' ],
'offset=i' => ['OFF', 'search result offset (default: 0)'],
'remote' => 'limit operations to those requiring network access',
'remote!' => 'prevent operations requiring network access',
+'all:s up' => ['local', 'update all (local) saved searches' ],
+
'mid=s' => 'specify the Message-ID of a message',
'oid=s' => 'specify the git object ID of a message',
'by-mid|mid:s' => [ 'MID', 'match only by Message-ID, ignoring contents' ],
-'kw|keywords|flags!' => 'disable/enable importing flags',
+'kw!' => 'disable/enable importing keywords (aka "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
+my @WQ_KEYS = qw(lxs l2m ikw pmd wq1 lne); # internal workers
+
+sub _drop_wq {
+ my ($self) = @_;
+ for my $wq (grep(defined, delete(@$self{@WQ_KEYS}))) {
+ if ($wq->wq_kill) {
+ $wq->wq_close(0, undef, $self);
+ } elsif ($wq->wq_kill_old) {
+ $wq->wq_wait_old(undef, $self);
+ }
+ $wq->DESTROY;
+ }
+}
# pronounced "exit": x_it(1 << 8) => exit(1); x_it(13) => SIGPIPE
sub x_it ($$) {
# make sure client sees stdout before exit
$self->{1}->autoflush(1) if $self->{1};
dump_and_clear_log();
- 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 (@WQ_KEYS) {
- my $wq = delete $self->{$f} or next;
- $wq->DESTROY;
- }
- # cleanup anything that has tempfiles
- delete @$self{qw(ovv dedupe)};
- if (my $signum = ($code & 127)) { # usually SIGPIPE (13)
- $SIG{PIPE} = 'DEFAULT'; # $SIG{$signum} doesn't work
- kill $signum, $$;
- sleep(1) while 1; # wait for signal
- } else {
- $quit->($code >> 8);
- }
+ stop_pager($self);
+ if ($self->{pkt_op_p}) { # to top lei-daemon
+ $self->{pkt_op_p}->pkt_do('x_it', $code);
+ } elsif ($self->{sock}) { # to lei(1) client
+ send($self->{sock}, "x_it $code", MSG_EOR);
} # else ignore if client disconnected
}
sub qerr ($;@) { $_[0]->{opt}->{quiet} or err(shift, @_) }
+sub qfin { # show message on finalization (LeiFinmsg)
+ my ($lei, $msg) = @_;
+ return if $lei->{opt}->{quiet};
+ $lei->{fmsg} ? push(@{$lei->{fmsg}}, "$msg\n") : qerr($lei, $msg);
+}
+
sub fail_handler ($;$$) {
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));
+ _drop_wq($lei);
+ x_it($lei, $code // (1 << 8));
}
sub sigpipe_handler { # handles SIGPIPE from @WQ_KEYS workers
sub fail ($$;$) {
my ($self, $buf, $exit_code) = @_;
+ $self->{failed}++;
err($self, $buf) if defined $buf;
# calls fail_handler:
- send($self->{pkt_op_p}, '!', MSG_EOR) if $self->{pkt_op_p};
+ $self->{pkt_op_p}->pkt_do('!') if $self->{pkt_op_p};
x_it($self, ($exit_code // 1) << 8);
undef;
}
my $self = shift;
return if print { $self->{1} // return } @_; # likely
return note_sigpipe($self, 1) if $! == EPIPE;
- my $err = "error writing to stdout: $!";
+ my $err = "error writing to output: $!";
delete $self->{1};
fail($self, $err);
}
sub child_error { # passes non-fatal curl exit codes to user
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;
+ if ($self->{pkt_op_p}) { # to top lei-daemon
+ $self->{pkt_op_p}->pkt_do('child_error', $child_error);
+ } elsif ($self->{sock}) { # to lei(1) client
+ send($self->{sock}, "child_error $child_error", MSG_EOR);
} # else noop if client disconnected
}
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};
+ $self->{pkt_op_p}->pkt_do('|') if $self->{pkt_op_p};
x_it($self, 13);
}
-sub lei_atfork_child {
+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;
+ chdir '/' or die "chdir(/): $!";
+ close($_) for (grep(defined, delete @$self{qw(0 1 2 sock)}));
+ if (my $cfg = $self->{cfg}) {
+ delete @$cfg{qw(-lei_store -watches -lei_note_event)};
}
- } else {
- delete $self->{0};
- }
- for (delete @$self{qw(3 sock old_1 au_done)}) {
- close($_) if defined($_);
+ } else { # worker, Net::NNTP (Net::Cmd) uses STDERR directly
+ open STDERR, '+>&='.fileno($self->{2}) or warn "open $!";
+ STDERR->autoflush(1);
}
+ close($_) for (grep(defined, delete @$self{qw(3 old_1 au_done)}));
if (my $op_c = delete $self->{pkt_op_c}) {
close(delete $op_c->{sock});
}
}
close $listener if $listener;
undef $listener;
+ $dir_idle->force_close if $dir_idle;
%PATH2CFG = ();
+ $MDIR2CFGPATH = {};
+ %LIVE_SOCK = ();
+ eval 'no warnings; undef $PublicInbox::LeiNoteEvent::to_flush';
undef $errors_log;
$quit = \&CORE::exit;
+ $self->{-eml_noisy} or # only "lei import" sets this atm
+ $SIG{__WARN__} = PublicInbox::Eml::warn_ignore_cb();
$current_lei = $persist ? undef : $self; # for SIG{__WARN__}
}
+sub _delete_pkt_op { # OnDestroy callback to prevent leaks on die
+ my ($self) = @_;
+ if (my $op = delete $self->{pkt_op_c}) { # in case of die
+ $op->close; # PublicInbox::PktOp::close
+ }
+ my $pkt_op_p = delete($self->{pkt_op_p}) or return;
+ close $pkt_op_p->{op_p};
+}
+
+sub pkt_op_pair {
+ my ($self) = @_;
+ require PublicInbox::OnDestroy;
+ require PublicInbox::PktOp;
+ my $end = PublicInbox::OnDestroy->new($$, \&_delete_pkt_op, $self);
+ @$self{qw(pkt_op_c pkt_op_p)} = PublicInbox::PktOp->pair;
+ $end;
+}
+
+sub incr {
+ my ($self, $field, $nr) = @_;
+ $self->{counters}->{$field} += $nr;
+}
+
+sub workers_start {
+ my ($lei, $wq, $jobs, $ops, $flds) = @_;
+ $ops = {
+ '!' => [ \&fail_handler, $lei ],
+ '|' => [ \&sigpipe_handler, $lei ],
+ 'x_it' => [ \&x_it, $lei ],
+ 'child_error' => [ \&child_error, $lei ],
+ 'incr' => [ \&incr, $lei ],
+ ($ops ? %$ops : ()),
+ };
+ $ops->{''} //= [ $wq->can('_lei_wq_eof') || \&wq_eof, $lei ];
+ my $end = $lei->pkt_op_pair;
+ my $ident = $wq->{-wq_ident} // "lei-$lei->{cmd} worker";
+ $flds->{lei} = $lei;
+ $wq->wq_workers_start($ident, $jobs, $lei->oldset, $flds);
+ delete $lei->{pkt_op_p};
+ my $op_c = delete $lei->{pkt_op_c};
+ @$end = ();
+ $lei->event_step_init;
+ ($op_c, $ops);
+}
+
+# call this when we're ready to wait on events and yield to other clients
+sub wait_wq_events {
+ my ($lei, $op_c, $ops) = @_;
+ for my $wq (grep(defined, @$lei{qw(ikw pmd)})) { # auxiliary WQs
+ $wq->wq_close(1);
+ }
+ $op_c->{ops} = $ops;
+}
+
sub _help {
require PublicInbox::LeiHelp;
PublicInbox::LeiHelp::call($_[0], $_[1], \%CMD, \%OPTDESC);
# allow _complete --help to complete, not show help
return 1 if substr($cmd, 0, 1) eq '_';
$self->{cmd} = $cmd;
- $OPT = $self->{opt} = {};
+ $OPT = $self->{opt} //= {};
my $info = $CMD{$cmd} // [ '[...]' ];
my ($proto, undef, @spec) = @$info;
my $glp = ref($spec[-1]) eq ref($GLP) ? pop(@spec) : $GLP;
my $ok;
for my $o (@or) {
if ($o =~ /\A--([a-z0-9\-]+)/) {
- $ok = defined($OPT->{$1});
+ my $sw = $1;
+ # assume pipe/regular file on stdin
+ # w/o args means stdin
+ if ($sw eq 'stdin' && !@$argv &&
+ (-p $self->{0} ||
+ -f _) && -r _) {
+ $OPT->{stdin} //= 1;
+ }
+ $ok = defined($OPT->{$sw});
last if $ok;
} elsif (defined($argv->[$i])) {
$ok = 1;
$err ? fail($self, "usage: lei $cmd $proto\nE: $err") : 1;
}
+sub _tmp_cfg { # for lei -c <name>=<value> ...
+ my ($self) = @_;
+ my $cfg = _lei_cfg($self, 1);
+ require File::Temp;
+ my $ft = File::Temp->new(TEMPLATE => 'lei_cfg-XXXX', TMPDIR => 1);
+ my $tmp = { '-f' => $ft->filename, -tmp => $ft };
+ $ft->autoflush(1);
+ print $ft <<EOM or return fail($self, "$tmp->{-f}: $!");
+[include]
+ path = $cfg->{-f}
+EOM
+ $tmp = $self->{cfg} = bless { %$cfg, %$tmp }, ref($cfg);
+ for (@{$self->{opt}->{c}}) {
+ /\A([^=\.]+\.[^=]+)(?:=(.*))?\z/ or return fail($self, <<EOM);
+`-c $_' is not of the form -c <name>=<value>'
+EOM
+ my $name = $1;
+ my $value = $2 // 1;
+ _config($self, '--add', $name, $value);
+ if (defined(my $v = $tmp->{$name})) {
+ if (ref($v) eq 'ARRAY') {
+ push @$v, $value;
+ } else {
+ $tmp->{$name} = [ $v, $value ];
+ }
+ } else {
+ $tmp->{$name} = $value;
+ }
+ }
+}
+
+sub lazy_cb ($$$) {
+ my ($self, $cmd, $pfx) = @_;
+ my $ucmd = $cmd;
+ $ucmd =~ tr/-/_/;
+ my $cb;
+ $cb = $self->can($pfx.$ucmd) and return $cb;
+ my $base = $ucmd;
+ $base =~ s/_([a-z])/\u$1/g;
+ my $pkg = "PublicInbox::Lei\u$base";
+ ($INC{"PublicInbox/Lei\u$base.pm"} // eval("require $pkg")) ?
+ $pkg->can($pfx.$ucmd) : undef;
+}
+
sub dispatch {
my ($self, $cmd, @argv) = @_;
local $current_lei = $self; # for __WARN__
+ $self->{2}->autoflush(1); # keep stdout buffered until x_it|DESTROY
dump_and_clear_log("from previous run\n");
return _help($self, 'no command given') unless defined($cmd);
- my $func = "lei_$cmd";
- $func =~ tr/-/_/;
- if (my $cb = __PACKAGE__->can($func)) {
+ # do not support Getopt bundling for this
+ while ($cmd eq '-C' || $cmd eq '-c') {
+ my $v = shift(@argv) // return fail($self, $cmd eq '-C' ?
+ '-C DIRECTORY' : '-c <name>=<value>');
+ push @{$self->{opt}->{substr($cmd, 1, 1)}}, $v;
+ $cmd = shift(@argv) // return _help($self, 'no command given');
+ }
+ if (my $cb = lazy_cb(__PACKAGE__, $cmd, 'lei_')) {
optparse($self, $cmd, \@argv) or return;
+ $self->{opt}->{c} and (_tmp_cfg($self) // return);
+ if (my $chdir = $self->{opt}->{C}) {
+ for my $d (@$chdir) {
+ next if $d eq ''; # same as git(1)
+ chdir $d or return fail($self, "cd $d: $!");
+ }
+ open $self->{3}, '.' or return fail($self, "open . $!");
+ }
$cb->($self, @argv);
} elsif (grep(/\A-/, $cmd, @argv)) { # --help or -h only
- my $opt = {};
- $GLP->getoptionsfromarray([$cmd, @argv], $opt, qw(help|h)) or
- return _help($self, 'bad arguments or options');
+ $GLP->getoptionsfromarray([$cmd, @argv], {}, qw(help|h C=s@))
+ or return _help($self, 'bad arguments or options');
_help($self);
} else {
fail($self, "`$cmd' is not an lei command");
sub _lei_cfg ($;$) {
my ($self, $creat) = @_;
+ return $self->{cfg} if $self->{cfg};
my $f = _config_path($self);
my @st = stat($f);
my $cur_st = @st ? pack('dd', $st[10], $st[7]) : ''; # 10:ctime, 7:size
+ my ($sto, $sto_dir, $watches, $lne);
if (my $cfg = $PATH2CFG{$f}) { # reuse existing object in common case
return ($self->{cfg} = $cfg) if $cur_st eq $cfg->{-st};
+ ($sto, $sto_dir, $watches, $lne) =
+ @$cfg{qw(-lei_store leistore.dir -watches
+ -lei_note_event)};
}
if (!@st) {
unless ($creat) {
delete $self->{cfg};
- return;
+ return bless {}, 'PublicInbox::Config';
}
- my (undef, $cfg_dir, undef) = File::Spec->splitpath($f);
+ my ($cfg_dir) = ($f =~ m!(.*?/)[^/]+\z!);
-d $cfg_dir or mkpath($cfg_dir) or die "mkpath($cfg_dir): $!\n";
open my $fh, '>>', $f or die "open($f): $!\n";
@st = stat($fh) or die "fstat($f): $!\n";
$cur_st = pack('dd', $st[10], $st[7]);
- qerr($self, "I: $f created") if $self->{cmd} ne 'config';
+ qerr($self, "# $f created") if $self->{cmd} ne 'config';
}
- my $cfg = PublicInbox::Config::git_config_dump($f);
+ my $cfg = PublicInbox::Config->git_config_dump($f);
$cfg->{-st} = $cur_st;
$cfg->{'-f'} = $f;
+ if ($sto && canonpath_harder($sto_dir // store_path($self))
+ eq canonpath_harder($cfg->{'leistore.dir'} //
+ store_path($self))) {
+ $cfg->{-lei_store} = $sto;
+ $cfg->{-lei_note_event} = $lne;
+ $cfg->{-watches} = $watches if $watches;
+ }
+ if (scalar(keys %PATH2CFG) > 5) {
+ # FIXME: use inotify/EVFILT_VNODE to detect unlinked configs
+ for my $k (keys %PATH2CFG) {
+ delete($PATH2CFG{$k}) unless -f $k
+ }
+ }
$self->{cfg} = $PATH2CFG{$f} = $cfg;
+ refresh_watches($self);
+ $cfg;
}
sub _lei_store ($;$) {
my ($self, $creat) = @_;
- my $cfg = _lei_cfg($self, $creat);
+ my $cfg = _lei_cfg($self, $creat) // return;
$cfg->{-lei_store} //= do {
require PublicInbox::LeiStore;
- my $dir = $cfg->{'leistore.dir'};
- $dir //= $creat ? _store_path($self) : return;
+ my $dir = $cfg->{'leistore.dir'} // store_path($self);
+ return unless $creat || -d $dir;
PublicInbox::LeiStore->new($dir, { creat => $creat });
};
}
-sub lei_show {
- my ($self, @argv) = @_;
-}
-
-sub lei_mark {
- my ($self, @argv) = @_;
-}
-
sub _config {
my ($self, @argv) = @_;
- my $env = $self->{env};
- delete local $env->{GIT_CONFIG};
- delete local $ENV{GIT_CONFIG};
+ my %env = (%{$self->{env}}, GIT_CONFIG => undef);
my $cfg = _lei_cfg($self, 1);
my $cmd = [ qw(git config -f), $cfg->{'-f'}, @argv ];
my %rdr = map { $_ => $self->{$_} } (0..2);
- waitpid(spawn($cmd, $env, \%rdr), 0);
+ waitpid(spawn($cmd, \%env, \%rdr), 0);
}
sub lei_config {
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);
- my $cur = $cfg->{'leistore.dir'};
- $dir //= _store_path($self);
- $dir = rel2abs($self, $dir);
- my @cur = stat($cur) if defined($cur);
- $cur = File::Spec->canonpath($cur // $dir);
- my @dir = stat($dir);
- my $exists = "I: leistore.dir=$cur already initialized" if @dir;
- if (@cur) {
- if ($cur eq $dir) {
- _lei_store($self, 1)->done;
- return qerr($self, $exists);
- }
-
- # some folks like symlinks and bind mounts :P
- if (@dir && "@cur[1,0]" eq "@dir[1,0]") {
- lei_config($self, 'leistore.dir', $dir);
- _lei_store($self, 1)->done;
- return qerr($self, "$exists (as $cur)");
- }
- return fail($self, <<"");
-E: leistore.dir=$cur already initialized and it is not $dir
-
- }
- lei_config($self, 'leistore.dir', $dir);
- _lei_store($self, 1)->done;
- $exists //= "I: leistore.dir=$dir newly initialized";
- return qerr($self, $exists);
-}
-
sub lei_daemon_pid { puts shift, $$ }
sub lei_daemon_kill {
kill($sig, $$) or fail($self, "kill($sig, $$): $!");
}
-sub lei_help { _help($_[0]) }
-
# Shell completion helper. Used by lei-completion.bash and hopefully
# other shells. Try to do as much here as possible to avoid redundancy
# and improve maintainability.
sub lei__complete {
my ($self, @argv) = @_; # argv = qw(lei and any other args...)
shift @argv; # ignore "lei", the entire command is sent
- @argv or return puts $self, grep(!/^_/, keys %CMD), qw(--help -h);
+ @argv or return puts $self, grep(!/^_/, keys %CMD), qw(--help -h -C);
my $cmd = shift @argv;
my $info = $CMD{$cmd} // do { # filter matching commands
@argv or puts $self, grep(/\A\Q$cmd\E/, keys %CMD);
my ($proto, undef, @spec) = @$info;
my $cur = pop @argv;
my $re = defined($cur) ? qr/\A\Q$cur\E/ : qr/./;
- if (substr($cur // '-', 0, 1) eq '-') { # --switches
+ if (substr(my $_cur = $cur // '-', 0, 1) eq '-') { # --switches
# gross special case since the only git-config options
# Consider moving to a table if we need more special cases
# we use Getopt::Long for are the ones we reject, so these
# fall-through
}
# generate short/long names from Getopt::Long specs
- puts $self, grep(/$re/, qw(--help -h), map {
+ puts $self, grep(/$re/, qw(--help -h -C), map {
if (s/[:=].+\z//) { # req/optional args, e.g output|o=i
} elsif (s/\+\z//) { # verbose|v+
} elsif (s/!\z//) {
- # negation: solve! => no-solve|solve
+ # negation: mail! => no-mail|mail
s/([\w\-]+)/$1|no-$1/g
}
map {
my $x = length > 1 ? "--$_" : "-$_";
- $x eq $cur ? () : $x;
+ $x eq $_cur ? () : $x;
} grep(!/_/, split(/\|/, $_, -1)) # help|h
- } grep { $OPTDESC{"$cmd\t$_"} || $OPTDESC{$_} } @spec);
+ } grep { $OPTDESC{"$_\t$cmd"} || $OPTDESC{$_} } @spec);
} elsif ($cmd eq 'config' && !@argv && !$CONFIG_KEYS{$cur}) {
puts $self, grep(/$re/, keys %CONFIG_KEYS);
}
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 $v[0];
+ shift(@v) if scalar(@v) && uc($v[0]) eq $v[0];
@v;
- } grep(/\A(?:$cmd\t|)(?:[\w-]+\|)*$opt\b/, keys %OPTDESC);
+ } grep(/\A(?:[\w-]+\|)*$opt\b.*?(?:\t$cmd)?\z/, keys %OPTDESC);
}
- $cmd =~ tr/-/_/;
- if (my $sub = $self->can("_complete_$cmd")) {
- puts $self, $sub->($self, @argv, $cur);
+ if (my $cb = lazy_cb($self, $cmd, '_complete_')) {
+ puts $self, $cb->($self, @argv, $cur ? ($cur) : ());
}
# TODO: URLs, pathnames, OIDs, MIDs, etc... See optparse() for
# proto parsing.
@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);
- } elsif ($self->{oneshot}) {
- $self->{"mua.pid.$self.$$"} = spawn(\@cmd);
+ if ($self->{sock}) { # lei(1) client process runs it
+ # restore terminal: echo $query | lei q --stdin --mua=...
+ my $io = [];
+ $io->[0] = $self->{1} if $self->{opt}->{stdin} && -t $self->{1};
+ send_exec_cmd($self, $io, \@cmd, {});
}
if ($self->{lxs} && $self->{au_done}) { # kick wait_startq
syswrite($self->{au_done}, 'q' x ($self->{lxs}->{jobs} // 0));
}
+ return unless -t $self->{2}; # XXX how to determine non-TUI MUAs?
+ $self->{opt}->{quiet} = 1;
+ delete $self->{-progress};
+ delete $self->{opt}->{verbose};
+}
+
+sub send_exec_cmd { # tell script/lei to execute a command
+ my ($self, $io, $cmd, $env) = @_;
+ my $sock = $self->{sock} // die 'lei client gone';
+ my $fds = [ map { fileno($_) } @$io ];
+ $send_cmd->($sock, $fds, exec_buf($cmd, $env), MSG_EOR);
+}
+
+sub poke_mua { # forces terminal MUAs to wake up and hopefully notice new mail
+ my ($self) = @_;
+ my $alerts = $self->{opt}->{alert} // return;
+ my $sock = $self->{sock};
+ while (my $op = shift(@$alerts)) {
+ if ($op eq ':WINCH') {
+ # hit the process group that started the MUA
+ send($sock, '-WINCH', MSG_EOR) if $sock;
+ } 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) ];
+ send($sock, exec_buf($cmd, {}), MSG_EOR) if $sock;
+ } else {
+ err($self, "W: unsupported --alert=$op"); # non-fatal
+ }
+ }
+}
+
+my %path_to_fd = ('/dev/stdin' => 0, '/dev/stdout' => 1, '/dev/stderr' => 2);
+$path_to_fd{"/dev/fd/$_"} = $_ for (0..2);
+
+# this also normalizes the path
+sub path_to_fd {
+ my ($self, $path) = @_;
+ $path = rel2abs($self, $path);
+ $path =~ tr!/!/!s;
+ $path_to_fd{$path} // (
+ ($path =~ m!\A/(?:dev|proc/self)/fd/[0-9]+\z!) ?
+ fail($self, "cannot open $path from daemon") : -1
+ );
}
# caller needs to "-t $self->{1}" to check if tty
sub start_pager {
my ($self) = @_;
- my $env = $self->{env};
- my $fh = popen_rd([qw(git var GIT_PAGER)], $env);
+ my $fh = popen_rd([qw(git var GIT_PAGER)]);
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} ];
- if (my $sock = $self->{sock}) { # lei(1) process runs it
+ my $env = $self->{env};
+ if ($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}) {
- $pgr->[0] = spawn([$pager], $new_env, $rdr);
- $pgr->[3] = $$; # ew'll reap it
+ send_exec_cmd($self, [ @$rdr{0..2} ], [$pager], $new_env);
} else {
die 'BUG: start_pager w/o socket';
}
$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) if $pid && ($pgr->[3] // 0) == $$;
}
sub accept_dispatch { # Listener {post_accept} callback
vec(my $rvec = '', fileno($sock), 1) = 1;
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
- if (scalar(@fds) == 4) {
- for my $i (0..3) {
- my $fd = shift(@fds);
- open($self->{$i}, '+<&=', $fd) and next;
+ # (4096 * 33) >MAX_ARG_STRLEN
+ my @fds = $recv_cmd->($sock, my $buf, 4096 * 33) or return; # EOF
+ if (!defined($fds[0])) {
+ warn(my $msg = "recv_cmd failed: $!");
+ return send($sock, $msg, MSG_EOR);
+ } else {
+ my $i = 0;
+ for my $fd (@fds) {
+ open($self->{$i++}, '+<&=', $fd) and next;
send($sock, "open(+<&=$fd) (FD=$i): $!", MSG_EOR);
}
- } else {
- my $msg = "recv_cmd failed: $!";
- warn $msg;
- return send($sock, $msg, MSG_EOR);
+ $i == 4 or return send($sock, 'not enough FDs='.($i-1), MSG_EOR)
}
- $self->{2}->autoflush(1); # keep stdout buffered until x_it|DESTROY
# $ENV_STR = join('', map { "\0$_=$ENV{$_}" } keys %ENV);
# $buf = "$argc\0".join("\0", @ARGV).$ENV_STR."\0\0";
substr($buf, -2, 2, '') eq "\0\0" or # s/\0\0\z//
sub dclose {
my ($self) = @_;
delete $self->{-progress};
- for my $f (@WQ_KEYS) {
- my $wq = delete $self->{$f} or next;
- if ($wq->wq_kill) {
- $wq->wq_close(0, undef, $self);
- } elsif ($wq->wq_kill_old) {
- $wq->wq_wait_old(undef, $self);
- }
- }
+ _drop_wq($self) if $self->{failed};
close(delete $self->{1}) if $self->{1}; # may reap_compress
- $self->close if $self->{sock}; # PublicInbox::DS::close
+ $self->close if $self->{-event_init_done}; # PublicInbox::DS::close
}
# for long-running results
}
die "unrecognized client signal: $buf";
}
+ _drop_wq($self); # EOF, client disconnected
dclose($self);
};
if (my $err = $@) {
sub event_step_init {
my ($self) = @_;
- if (my $sock = $self->{sock}) { # using DS->EventLoop
+ my $sock = $self->{sock} or return;
+ $self->{-event_init_done} //= do { # persist til $ops done
$self->SUPER::new($sock, EPOLLIN|EPOLLET);
- }
+ $sock;
+ };
}
sub noop {}
-our $oldset; sub oldset { $oldset }
+sub oldset { $oldset }
sub dump_and_clear_log {
if (defined($errors_log) && -s STDIN && seek(STDIN, 0, SEEK_SET)) {
}
}
+sub cfg2lei ($) {
+ my ($cfg) = @_;
+ my $lei = bless { env => { %{$cfg->{-env}} } }, __PACKAGE__;
+ open($lei->{0}, '<&', \*STDIN) or die "dup 0: $!";
+ open($lei->{1}, '>>&', \*STDOUT) or die "dup 1: $!";
+ open($lei->{2}, '>>&', \*STDERR) or die "dup 2: $!";
+ open($lei->{3}, '/') or die "open /: $!";
+ chdir($lei->{3}) or die "chdir /': $!";
+ my ($x, $y);
+ socketpair($x, $y, AF_UNIX, SOCK_SEQPACKET, 0) or die "socketpair: $!";
+ $lei->{sock} = $x;
+ require PublicInbox::LeiSelfSocket;
+ PublicInbox::LeiSelfSocket->new($y); # adds to event loop
+ $lei;
+}
+
+sub dir_idle_handler ($) { # PublicInbox::DirIdle callback
+ my ($ev) = @_; # Linux::Inotify2::Event or duck type
+ my $fn = $ev->fullname;
+ if ($fn =~ m!\A(.+)/(new|cur)/([^/]+)\z!) { # Maildir file
+ my ($mdir, $nc, $bn) = ($1, $2, $3);
+ $nc = '' if $ev->IN_DELETE;
+ for my $f (keys %{$MDIR2CFGPATH->{$mdir} // {}}) {
+ my $cfg = $PATH2CFG{$f} // next;
+ eval {
+ local %ENV = %{$cfg->{-env}};
+ my $lei = cfg2lei($cfg);
+ $lei->dispatch('note-event',
+ "maildir:$mdir", $nc, $bn, $fn);
+ };
+ warn "E note-event $f: $@\n" if $@;
+ }
+ }
+ if ($ev->can('cancel') && ($ev->IN_IGNORE || $ev->IN_UNMOUNT)) {
+ $ev->cancel;
+ }
+ if ($fn =~ m!\A(.+)/(?:new|cur)\z! && !-e $fn) {
+ delete $MDIR2CFGPATH->{$1};
+ }
+ if (!-e $fn) { # config file or Maildir gone
+ for my $cfgpaths (values %$MDIR2CFGPATH) {
+ delete $cfgpaths->{$fn};
+ }
+ delete $PATH2CFG{$fn};
+ }
+}
+
# 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);
+ my ($sock_dir) = ($path =~ m!\A(.+?)/[^/]+\z!);
+ $errors_log = "$sock_dir/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): $!";
}
- if (eval { require BSD::Resource }) {
- my $NOFILE = BSD::Resource::RLIMIT_NOFILE();
- my ($s, $h) = BSD::Resource::getrlimit($NOFILE);
- BSD::Resource::setrlimit($NOFILE, $h, $h) if $s < $h;
- }
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): $!";
- listen($listener, 1024) or die "listen: $!";
+ bind($listener, $addr) or die "bind($path): $!";
+ $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();
(Socket::MsgHdr || Inline::C) missing/unconfigured (narg=$narg);
require PublicInbox::Listener;
- require PublicInbox::EOFpipe;
+ require PublicInbox::PktOp;
(-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");
return if $pid;
$0 = "lei-daemon $path";
local %PATH2CFG;
+ local $MDIR2CFGPATH;
$listener->blocking(0);
my $exit_code;
my $pil = PublicInbox::Listener->new($listener, \&accept_dispatch);
local $quit = do {
- pipe(my ($eof_r, $eof_w)) or die "pipe: $!";
- PublicInbox::EOFpipe->new($eof_r, \&noop, undef);
+ my (undef, $eof_p) = PublicInbox::PktOp->pair;
sub {
$exit_code //= shift;
my $lis = $pil or exit($exit_code);
- # closing eof_w triggers \&noop wakeup
- $listener = $eof_w = $pil = $path = undef;
+ # closing eof_p triggers \&noop wakeup
+ $listener = $eof_p = $pil = $path = undef;
$lis->close; # DS::close
PublicInbox::DS->SetLoopTimeout(1000);
};
local @SIG{keys %$sig} = values(%$sig) unless $sigfd;
undef $sig;
local $SIG{PIPE} = 'IGNORE';
- if ($sigfd) { # TODO: use inotify/kqueue to detect unlinked sockets
- undef $sigfd;
- PublicInbox::DS->SetLoopTimeout(5000);
+ require PublicInbox::DirIdle;
+ local $dir_idle = PublicInbox::DirIdle->new([$sock_dir], sub {
+ # just rely on wakeup to hit PostLoopCallback set below
+ dir_idle_handler($_[0]) if $_[0]->fullname ne $path;
+ }, 1);
+ if ($sigfd) {
+ undef $sigfd; # unref, already in DS::DescriptorMap
} else {
# wake up every second to accept signals if we don't
# have signalfd or IO::KQueue:
exit($exit_code // 0);
}
-# for users w/o Socket::Msghdr installed or Inline::C enabled
-sub oneshot {
- my ($main_pkg) = @_;
- my $exit = $main_pkg->can('exit'); # caller may override exit()
- local $quit = $exit if $exit;
- local %PATH2CFG;
- umask(077) // die("umask(077): $!");
- my $self = bless {
- oneshot => 1,
- 0 => *STDIN{GLOB},
- 1 => *STDOUT{GLOB},
- 2 => *STDERR{GLOB},
- env => \%ENV
- }, __PACKAGE__;
- dispatch($self, @ARGV);
- x_it($self, $self->{child_error}) if $self->{child_error};
-}
+sub busy { 1 } # prevent daemon-shutdown if client is connected
# ensures stdout hits the FS before sock disconnects so a client
# can immediately reread it
sub DESTROY {
my ($self) = @_;
+ if (my $counters = delete $self->{counters}) {
+ for my $k (sort keys %$counters) {
+ my $nr = $counters->{$k};
+ $self->child_error(1 << 8, "$nr $k messages");
+ }
+ }
$self->{1}->autoflush(1) if $self->{1};
stop_pager($self);
- if (my $mua_pid = delete $self->{"mua.pid.$self.$$"}) {
- waitpid($mua_pid, 0);
+ # preserve $? for ->fail or ->x_it code
+}
+
+sub wq_done_wait { # dwaitpid callback
+ my ($arg, $pid) = @_;
+ my ($wq, $lei) = @$arg;
+ my $err_type = $lei->{-err_type};
+ $? and $lei->child_error($?,
+ $err_type ? "$err_type errors during $lei->{cmd}" : ());
+ $lei->dclose;
+}
+
+sub fchdir {
+ my ($lei) = @_;
+ my $dh = $lei->{3} // die 'BUG: lei->{3} (CWD) gone';
+ chdir($dh) || $lei->fail("fchdir: $!");
+}
+
+sub wq_eof { # EOF callback for main daemon
+ my ($lei) = @_;
+ my $wq1 = delete $lei->{wq1} // return $lei->fail; # already failed
+ $wq1->wq_wait_old(\&wq_done_wait, $lei);
+}
+
+sub watch_state_ok ($) {
+ my ($state) = $_[-1]; # $_[0] may be $self
+ $state =~ /\Apause|(?:import|index|tag)-(?:ro|rw)\z/;
+}
+
+sub cancel_maildir_watch ($$) {
+ my ($d, $cfg_f) = @_;
+ my $w = delete $MDIR2CFGPATH->{$d}->{$cfg_f};
+ scalar(keys %{$MDIR2CFGPATH->{$d}}) or
+ delete $MDIR2CFGPATH->{$d};
+ for my $x (@{$w // []}) { $x->cancel }
+}
+
+sub add_maildir_watch ($$) {
+ my ($d, $cfg_f) = @_;
+ if (!exists($MDIR2CFGPATH->{$d}->{$cfg_f})) {
+ my @w = $dir_idle->add_watches(["$d/cur", "$d/new"], 1);
+ push @{$MDIR2CFGPATH->{$d}->{$cfg_f}}, @w if @w;
+ }
+}
+
+sub refresh_watches {
+ my ($lei) = @_;
+ my $cfg = _lei_cfg($lei) or return;
+ my $old = $cfg->{-watches};
+ my $watches = $cfg->{-watches} //= {};
+ my %seen;
+ my $cfg_f = $cfg->{'-f'};
+ for my $w (grep(/\Awatch\..+\.state\z/, keys %$cfg)) {
+ my $url = substr($w, length('watch.'), -length('.state'));
+ require PublicInbox::LeiWatch;
+ $watches->{$url} //= PublicInbox::LeiWatch->new($url);
+ $seen{$url} = undef;
+ my $state = $cfg->get_1("watch.$url", 'state');
+ if (!watch_state_ok($state)) {
+ $lei->err("watch.$url.state=$state not supported");
+ next;
+ }
+ if ($url =~ /\Amaildir:(.+)/i) {
+ my $d = canonpath_harder($1);
+ if ($state eq 'pause') {
+ cancel_maildir_watch($d, $cfg_f);
+ } else {
+ add_maildir_watch($d, $cfg_f);
+ }
+ } else { # TODO: imap/nntp/jmap
+ $lei->child_error(1, "E: watch $url not supported, yet")
+ }
+ }
+
+ # add all known Maildir folders as implicit watches
+ my $sto = $lei->_lei_store;
+ my $renames = 0;
+ if (my $lms = $sto ? $sto->search->lms : undef) {
+ for my $d ($lms->folders('maildir:')) {
+ substr($d, 0, length('maildir:')) = '';
+ my $cd = canonpath_harder($d);
+ my $f = "maildir:$cd";
+
+ # fixup old bugs while we're iterating:
+ if ($d ne $cd) {
+ $sto->ipc_do('lms_rename_folder',
+ "maildir:$d", $f);
+ ++$renames;
+ }
+ next if $watches->{$f}; # may be set to pause
+ require PublicInbox::LeiWatch;
+ $watches->{$f} = PublicInbox::LeiWatch->new($f);
+ $seen{$f} = undef;
+ add_maildir_watch($cd, $cfg_f);
+ }
+ }
+ $lei->sto_done_request if $renames;
+ if ($old) { # cull old non-existent entries
+ for my $url (keys %$old) {
+ next if exists $seen{$url};
+ delete $old->{$url};
+ if ($url =~ /\Amaildir:(.+)/i) {
+ my $d = canonpath_harder($1);
+ cancel_maildir_watch($d, $cfg_f);
+ } else { # TODO: imap/nntp/jmap
+ $lei->child_error(1, "E: watch $url TODO");
+ }
+ }
}
+ if (scalar keys %$watches) {
+ $cfg->{-env} //= { %{$lei->{env}}, PWD => '/' }; # for cfg2lei
+ } else {
+ delete $cfg->{-watches};
+ }
+}
+
+sub git_blob_id {
+ my ($lei, $eml) = @_;
+ ($lei->{sto} // _lei_store($lei, 1))->git_blob_id($eml);
+}
+
+sub lms { # read-only LeiMailSync
+ my ($lei) = @_;
+ my $lse = $lei->{lse} // do {
+ my $sto = $lei->{sto} // _lei_store($lei);
+ $sto ? $sto->search : undef
+ };
+ $lse ? $lse->lms : undef;
+}
+
+sub sto_done_request { # only call this from lei-daemon process (not workers)
+ my ($lei, $sock) = @_;
+ if ($sock //= $lei->{sock}) {
+ $LIVE_SOCK{"$sock"} = $sock;
+ $lei->{sto}->ipc_do('done', "$sock"); # issue, async wait
+ } else { # forcibly wait
+ my $wait = $lei->{sto}->ipc_do('done');
+ }
+}
+
+sub sto_done_complete { # called in lei-daemon when LeiStore->done is complete
+ my ($sock_str) = @_;
+ delete $LIVE_SOCK{$sock_str}; # frees {sock} for waiting lei clients
}
1;