diff options
Diffstat (limited to 'lib/PublicInbox/Config.pm')
| -rw-r--r-- | lib/PublicInbox/Config.pm | 552 |
1 files changed, 391 insertions, 161 deletions
diff --git a/lib/PublicInbox/Config.pm b/lib/PublicInbox/Config.pm index c0e2cc57..e1843912 100644 --- a/lib/PublicInbox/Config.pm +++ b/lib/PublicInbox/Config.pm @@ -1,4 +1,4 @@ -# Copyright (C) 2014-2020 all contributors <meta@public-inbox.org> +# Copyright (C) all contributors <meta@public-inbox.org> # License: AGPL-3.0+ <https://www.gnu.org/licenses/agpl-3.0.txt> # # Used throughout the project for reading configuration @@ -10,33 +10,38 @@ package PublicInbox::Config; use strict; use v5.10.1; +use parent qw(Exporter); +our @EXPORT_OK = qw(glob2re rel2abs_collapsed); use PublicInbox::Inbox; -use PublicInbox::Spawn qw(popen_rd); +use PublicInbox::Git qw(git_exe); +use PublicInbox::Spawn qw(popen_rd run_qx); +our $LD_PRELOAD = $ENV{LD_PRELOAD}; # only valid at startup +our $DEDUPE; # set to {} to dedupe or clear cache sub _array ($) { ref($_[0]) eq 'ARRAY' ? $_[0] : [ $_[0] ] } # returns key-value pairs of config directives in a hash # if keys may be multi-value, the value is an array ref containing all values sub new { - my ($class, $file) = @_; - $file = default_file() unless defined($file); - my $self; - if (ref($file) eq 'SCALAR') { # used by some tests - open my $fh, '<', $file or die; # PerlIO::scalar - $self = config_fh_parse($fh, "\n", '='); - } else { - $self = git_config_dump($file); + my ($class, $file, $lei) = @_; + $file //= default_file(); + my ($self, $set_dedupe); + if (-f $file && $DEDUPE) { + $file = rel2abs_collapsed($file); + $self = $DEDUPE->{$file} and return $self; + $set_dedupe = 1; } - bless $self, $class; + $self = git_config_dump($class, $file, $lei); + $self->{-f} = $file; # caches $self->{-by_addr} = {}; $self->{-by_list_id} = {}; $self->{-by_name} = {}; $self->{-by_newsgroup} = {}; + $self->{-by_eidx_key} = {}; $self->{-no_obfuscate} = {}; $self->{-limiters} = {}; - $self->{-code_repos} = {}; # nick => PublicInbox::Git object - $self->{-cgitrc_unparsed} = $self->{'publicinbox.cgitrc'}; + $self->{-coderepos} = {}; # nick => PublicInbox::Git object if (my $no = delete $self->{'publicinbox.noobfuscate'}) { $no = _array($no); @@ -59,7 +64,7 @@ sub new { if (my $css = delete $self->{'publicinbox.css'}) { $self->{css} = _array($css); } - + $DEDUPE->{$file} = $self if $set_dedupe; $self; } @@ -86,37 +91,32 @@ sub lookup_list_id { sub lookup_name ($$) { my ($self, $name) = @_; - $self->{-by_name}->{$name} // _fill($self, "publicinbox.$name"); + $self->{-by_name}->{$name} // _fill_ibx($self, $name); +} + +sub lookup_ei { + my ($self, $name) = @_; + $self->{-ei_by_name}->{$name} //= _fill_ei($self, $name); +} + +sub lookup_eidx_key { + my ($self, $eidx_key) = @_; + _lookup_fill($self, '-by_eidx_key', $eidx_key); } +# special case for [extindex "all"] +sub ALL { lookup_ei($_[0], 'all') } + sub each_inbox { - my ($self, $cb, $arg) = @_; + my ($self, $cb, @arg) = @_; # may auto-vivify if config file is non-existent: foreach my $section (@{$self->{-section_order}}) { next if $section !~ m!\Apublicinbox\.([^/]+)\z!; my $ibx = lookup_name($self, $1) or next; - $cb->($ibx, $arg); + $cb->($ibx, @arg); } } -sub iterate_start { - my ($self, $cb, $arg) = @_; - my $i = 0; - $self->{-iter} = [ \$i, $cb, $arg ]; -} - -# for PublicInbox::DS::next_tick, we only call this is if -# PublicInbox::DS is already loaded -sub event_step { - my ($self) = @_; - my ($i, $cb, $arg) = @{$self->{-iter}}; - my $section = $self->{-section_order}->[$$i++]; - delete($self->{-iter}) unless defined($section); - eval { $cb->($self, $section, $arg) }; - warn "E: $@ in ${self}::event_step" if $@; - PublicInbox::DS::requeue($self) if defined($section); -} - sub lookup_newsgroup { my ($self, $ng) = @_; _lookup_fill($self, '-by_newsgroup', lc($ng)); @@ -125,9 +125,9 @@ sub lookup_newsgroup { sub limiter { my ($self, $name) = @_; $self->{-limiters}->{$name} //= do { - require PublicInbox::Qspawn; + require PublicInbox::Limiter; my $max = $self->{"publicinboxlimiter.$name.max"} || 1; - my $limiter = PublicInbox::Qspawn::Limiter->new($max); + my $limiter = PublicInbox::Limiter->new($max); $limiter->setup_rlimit($name, $self); $limiter; }; @@ -136,27 +136,24 @@ sub limiter { sub config_dir { $ENV{PI_DIR} // "$ENV{HOME}/.public-inbox" } sub default_file { - my $f = $ENV{PI_CONFIG}; - return $f if defined $f; - config_dir() . '/config'; + $ENV{PI_CONFIG} // (config_dir() . '/config'); } sub config_fh_parse ($$$) { my ($fh, $rs, $fs) = @_; - my %rv; - my (%section_seen, @section_order); + my (%rv, %seen, @section_order, $line, $k, $v, $section, $cur, $i); local $/ = $rs; - while (defined(my $line = <$fh>)) { - chomp $line; - my ($k, $v) = split($fs, $line, 2); - my ($section) = ($k =~ /\A(\S+)\.[^\.]+\z/); - unless (defined $section_seen{$section}) { - $section_seen{$section} = 1; - push @section_order, $section; - } - - my $cur = $rv{$k}; - if (defined $cur) { + while (defined($line = <$fh>)) { # perf critical with giant configs + $i = index($line, $fs); + # $i may be -1 if $fs not found and it's a key-only entry + # (meaning boolean true). Either way the -1 will drop the + # $rs either from $k or $v. + $k = substr($line, 0, $i); + $v = $i >= 0 ? substr($line, $i + 1, -1) : 1; + $section = substr($k, 0, rindex($k, '.')); + $seen{$section} //= push(@section_order, $section); + + if (defined($cur = $rv{$k})) { if (ref($cur) eq "ARRAY") { push @$cur, $v; } else { @@ -171,19 +168,39 @@ sub config_fh_parse ($$$) { \%rv; } +sub tmp_cmd_opt ($$) { + my ($env, $opt) = @_; + # quiet global and system gitconfig if supported by installed git, + # but normally harmless if too noisy (NOGLOBAL no longer exists) + $env->{GIT_CONFIG_NOSYSTEM} = 1; + $env->{GIT_CONFIG_GLOBAL} = '/dev/null'; # git v2.32+ + $opt->{-C} = '/'; # avoid $worktree/.git/config on MOST systems :P +} + sub git_config_dump { - my ($file) = @_; - return {} unless -e $file; - my @cmd = (qw/git config -z -l --includes/, "--file=$file"); - my $cmd = join(' ', @cmd); - my $fh = popen_rd(\@cmd); + my ($class, $file, $lei) = @_; + my @opt_c = map { ('-c', $_) } @{$lei->{opt}->{c} // []}; + $file = undef if !-e $file; + # XXX should we set {-f} if !-e $file? + return bless {}, $class if (!@opt_c && !defined($file)); + my %env; + my $opt = { 2 => $lei->{2} // 2 }; + if (@opt_c) { + unshift(@opt_c, '-c', "include.path=$file") if defined($file); + tmp_cmd_opt(\%env, $opt); + } + my @cmd = (git_exe, @opt_c, qw(config -z -l --includes)); + push(@cmd, '-f', $file) if !@opt_c && defined($file); + my $fh = popen_rd(\@cmd, \%env, $opt); my $rv = config_fh_parse($fh, "\0", "\n"); - close $fh or die "failed to close ($cmd) pipe: $?"; - $rv; + $fh->close or die "@cmd failed: \$?=$?\n"; + $rv->{-opt_c} = \@opt_c if @opt_c; # for ->urlmatch + $rv->{-f} = $file; + bless $rv, $class; } -sub valid_inbox_name ($) { - my ($name) = @_; +sub valid_foo_name ($;$) { + my ($name, $pfx) = @_; # Similar rules found in git.git/remote.c::valid_remote_nick # and git.git/refs.c::check_refname_component @@ -191,6 +208,7 @@ sub valid_inbox_name ($) { if ($name eq '' || $name =~ /\@\{/ || $name =~ /\.\./ || $name =~ m![/:\?\[\]\^~\s\f[:cntrl:]\*]! || $name =~ /\A\./ || $name =~ /\.\z/) { + warn "invalid $pfx name: `$name'\n" if $pfx; return 0; } @@ -228,7 +246,6 @@ sub cgit_repo_merge ($$$) { $rel =~ s!/?\.git\z!!; } $self->{"coderepo.$rel.dir"} //= $path; - $self->{"coderepo.$rel.cgiturl"} //= _array($rel); } sub is_git_dir ($) { @@ -264,10 +281,11 @@ sub scan_tree_coderepo ($$) { scan_path_coderepo($self, $path, $path); } -sub scan_projects_coderepo ($$$) { - my ($self, $list, $path) = @_; - open my $fh, '<', $list or do { - warn "failed to open cgit projectlist=$list: $!\n"; +sub scan_projects_coderepo ($$) { + my ($self, $path) = @_; + my $l = $self->{-cgit_project_list} // die 'BUG: no cgit_project_list'; + open my $fh, '<', $l or do { + warn "failed to open cgit project-list=$l: $!\n"; return; }; while (<$fh>) { @@ -276,8 +294,20 @@ sub scan_projects_coderepo ($$$) { } } +sub apply_cgit_scan_path { + my ($self, @paths) = @_; + @paths or @paths = @{$self->{-cgit_scan_path}}; + if (defined($self->{-cgit_project_list})) { + for my $p (@paths) { scan_projects_coderepo($self, $p) } + } else { + for my $p (@paths) { scan_tree_coderepo($self, $p) } + } +} + sub parse_cgitrc { my ($self, $cgitrc, $nesting) = @_; + $cgitrc //= $self->{'publicinbox.cgitrc'} // + $ENV{CGIT_CONFIG} // return; if ($nesting == 0) { # defaults: my %s = map { $_ => 1 } qw(/cgit.css /cgit.png @@ -317,60 +347,52 @@ sub parse_cgitrc { my ($k, $v) = ($1, $2); $k =~ tr/-/_/; $self->{"-cgit_$k"} = $v; + delete $self->{-cgit_scan_path} if $k eq 'project_list'; } elsif (m!\Ascan-path=(.+)\z!) { - if (defined(my $list = $self->{-cgit_project_list})) { - scan_projects_coderepo($self, $list, $1); - } else { - scan_tree_coderepo($self, $1); - } + # this depends on being after project-list in the + # config file, just like cgit.c + push @{$self->{-cgit_scan_path}}, $1; + apply_cgit_scan_path($self, $1); } elsif (m!\A(?:css|favicon|logo|repo\.logo)=(/.+)\z!) { # absolute paths for static files via PublicInbox::Cgit $self->{-cgit_static}->{$1} = 1; + } elsif (s!\Asnapshots=\s*!!) { + $self->{'coderepo.snapshots'} = $_; } } cgit_repo_merge($self, $repo->{dir}, $repo) if $repo; } -# parse a code repo -# Only git is supported at the moment, but SVN and Hg are possibilities -sub _fill_code_repo { - my ($self, $nick) = @_; - my $pfx = "coderepo.$nick"; - - # TODO: support gitweb and other repository viewers? - if (defined(my $cgitrc = delete $self->{-cgitrc_unparsed})) { - parse_cgitrc($self, $cgitrc, 0); - } - my $dir = $self->{"$pfx.dir"}; # aka "GIT_DIR" - unless (defined $dir) { - warn "$pfx.dir unset\n"; - return; - } - - my $git = PublicInbox::Git->new($dir); - foreach my $t (qw(blob commit tree tag)) { - $git->{$t.'_url_format'} = - _array($self->{lc("$pfx.${t}UrlFormat")}); +sub valid_dir ($$) { + my $dir = get_1($_[0], $_[1]) // return; + index($dir, "\n") < 0 ? $dir : do { + warn "E: `$_[1]=$dir' must not contain `\\n'\n"; + undef; } +} +# parse a code repo, only git is supported at the moment +sub fill_coderepo { + my ($self, $nick) = @_; + my $pfx = "coderepo.$nick"; + my $git = PublicInbox::Git->new(valid_dir($self, "$pfx.dir") // return); if (defined(my $cgits = $self->{"$pfx.cgiturl"})) { $git->{cgit_url} = $cgits = _array($cgits); $self->{"$pfx.cgiturl"} = $cgits; - - # cgit supports "/blob/?id=%s", but it's only a plain-text - # display and requires an unabbreviated id= - foreach my $t (qw(blob commit tag)) { - $git->{$t.'_url_format'} //= map { - "$_/$t/?id=%s" - } @$cgits; - } } - + my %dedupe = ($nick => undef); + ($git->{nick}) = keys %dedupe; $git; } -sub _git_config_bool ($) { - my ($val) = @_; +sub get_all { + my ($self, $key) = @_; + my $v = $self->{$key} // return; + _array($v); +} + +sub git_bool { + my ($val) = $_[-1]; # $_[0] may be $self, or $val if ($val =~ /\A(?:false|no|off|[\-\+]?(?:0x)?0+)\z/i) { 0; } elsif ($val =~ /\A(?:true|yes|on|[\-\+]?(?:0x)?[0-9]+)\z/i) { @@ -380,24 +402,76 @@ sub _git_config_bool ($) { } } -sub _fill { - my ($self, $pfx) = @_; - my $ibx = {}; +# abs_path resolves symlinks, so we want to avoid it if rel2abs +# is sufficient and doesn't leave "/.." or "/../" +sub rel2abs_collapsed { + require File::Spec; + my $p = File::Spec->rel2abs(@_); + return $p if substr($p, -3, 3) ne '/..' && index($p, '/../') < 0; + require Cwd; + Cwd::abs_path($p); +} - foreach my $k (qw(inboxdir filter newsgroup - watch httpbackendmax - replyto feedmax nntpserver indexlevel)) { +sub get_1 { + my ($self, $key) = @_; + my $v = $self->{$key}; + return $v if !ref($v); + warn "W: $key has multiple values, only using `$v->[-1]'\n"; + $v->[-1]; +} + +sub repo_objs { + my ($self, $ibxish) = @_; + $ibxish->{-repo_objs} // do { + my $ibx_coderepos = $ibxish->{coderepo} // return; + parse_cgitrc($self, undef, 0); + my $coderepos = $self->{-coderepos}; + my @repo_objs; + for my $nick (@$ibx_coderepos) { + my @parts = split(m!/!, $nick); + for (@parts) { + @parts = () unless valid_foo_name($_); + } + unless (@parts) { + warn "invalid coderepo name: `$nick'\n"; + next; + } + my $repo = $coderepos->{$nick} //= + fill_coderepo($self, $nick); + $repo ? push(@repo_objs, $repo) : + warn("coderepo.$nick.dir unset\n"); + } + if (scalar @repo_objs) { + for (@repo_objs) { + push @{$_->{ibx_names}}, $ibxish->{name}; + } + $ibxish->{-repo_objs} = \@repo_objs; + } else { + delete $ibxish->{coderepo}; + } + } +} + +sub _fill_ibx { + my ($self, $name) = @_; + my $pfx = "publicinbox.$name"; + my $ibx = {}; + for my $k (qw(watch)) { my $v = $self->{"$pfx.$k"}; $ibx->{$k} = $v if defined $v; } + for my $k (qw(filter newsgroup replyto httpbackendmax feedmax + indexlevel indexsequentialshard boost)) { + my $v = get_1($self, "$pfx.$k") // next; + $ibx->{$k} = $v; + } - # backwards compatibility: - $ibx->{inboxdir} //= $self->{"$pfx.mainrepo"}; - - foreach my $k (qw(obfuscate)) { - my $v = $self->{"$pfx.$k"}; - defined $v or next; - if (defined(my $bval = _git_config_bool($v))) { + # "mainrepo" is backwards compatibility: + my $dir = $ibx->{inboxdir} = valid_dir($self, "$pfx.inboxdir") // + valid_dir($self, "$pfx.mainrepo") // return; + for my $k (qw(obfuscate)) { + my $v = $self->{"$pfx.$k"} // next; + if (defined(my $bval = git_bool($v))) { $ibx->{$k} = $bval; } else { warn "Ignoring $pfx.$k=$v in config, not boolean\n"; @@ -405,24 +479,18 @@ sub _fill { } # TODO: more arrays, we should support multi-value for # more things to encourage decentralization - foreach my $k (qw(address altid nntpmirror coderepo hide listid url - infourl watchheader)) { - if (defined(my $v = $self->{"$pfx.$k"})) { - $ibx->{$k} = _array($v); - } - } - - return unless defined($ibx->{inboxdir}); - my $name = $pfx; - $name =~ s/\Apublicinbox\.//; - - if (!valid_inbox_name($name)) { - warn "invalid inbox name: '$name'\n"; - return; + for my $k (qw(address altid nntpmirror imapmirror + coderepo hide listid url + infourl watchheader + nntpserver imapserver pop3server)) { + my $v = $self->{"$pfx.$k"} // next; + $ibx->{$k} = _array($v); } - $ibx->{name} = $name; - $ibx->{-pi_config} = $self; + return unless valid_foo_name($name, 'publicinbox'); + my %dedupe = ($name => undef); + ($ibx->{name}) = keys %dedupe; # used as a key everywhere + $ibx->{-pi_cfg} = $self; $ibx = PublicInbox::Inbox->new($ibx); foreach (@{$ibx->{address}}) { my $lc_addr = lc($_); @@ -430,12 +498,45 @@ sub _fill { $self->{-no_obfuscate}->{$lc_addr} = 1; } if (my $listids = $ibx->{listid}) { + # RFC2919 section 6 stipulates "case insensitive equality" foreach my $list_id (@$listids) { - $self->{-by_list_id}->{$list_id} = $ibx; + $self->{-by_list_id}->{lc($list_id)} = $ibx; + } + } + if (defined(my $ngname = $ibx->{newsgroup})) { + if (ref($ngname)) { + delete $ibx->{newsgroup}; + warn 'multiple newsgroups not supported: '. + join(', ', @$ngname). "\n"; + # Newsgroup name needs to be compatible with RFC 3977 + # wildmat-exact and RFC 3501 (IMAP) ATOM-CHAR. + # Leave out a few chars likely to cause problems or conflicts: + # '|', '<', '>', ';', '#', '$', '&', + } elsif ($ngname =~ m![^A-Za-z0-9/_\.\-\~\@\+\=:]! || + $ngname eq '') { + delete $ibx->{newsgroup}; + warn "newsgroup name invalid: `$ngname'\n"; + } else { + %dedupe = (lc($ngname) => undef); + my ($lc) = keys %dedupe; + $ibx->{newsgroup} = $lc; + warn <<EOM if $lc ne $ngname; +W: newsgroup=`$ngname' lowercased to `$lc' +EOM + # PublicInbox::NNTPD does stricter ->nntp_usable + # checks, keep this lean for startup speed + my $cur = $self->{-by_newsgroup}->{$lc} //= $ibx; + warn <<EOM if $cur != $ibx; +W: newsgroup=`$lc' is used by both `$cur->{name}' and `$ibx->{name}' +EOM } } - if (my $ng = $ibx->{newsgroup}) { - $self->{-by_newsgroup}->{$ng} = $ibx; + unless (defined $ibx->{newsgroup}) { # for ->eidx_key + my $abs = rel2abs_collapsed($dir); + if ($abs ne $dir) { + warn "W: `$dir' canonicalized to `$abs'\n"; + $ibx->{inboxdir} = $abs; + } } $self->{-by_name}->{$name} = $ibx; if ($ibx->{obfuscate}) { @@ -443,42 +544,171 @@ sub _fill { $ibx->{-no_obfuscate_re} = $self->{-no_obfuscate_re}; fill_all($self); # noop to populate -no_obfuscate } + if (my $es = ALL($self)) { + require PublicInbox::Isearch; + $ibx->{isrch} = PublicInbox::Isearch->new($ibx, $es); + } + my $cur = $self->{-by_eidx_key}->{my $ekey = $ibx->eidx_key} //= $ibx; + $cur == $ibx or warn + "W: `$ekey' used by both `$cur->{name}' and `$ibx->{name}'\n"; + $ibx; +} - if (my $ibx_code_repos = $ibx->{coderepo}) { - my $code_repos = $self->{-code_repos}; - my $repo_objs = $ibx->{-repo_objs} = []; - foreach my $nick (@$ibx_code_repos) { - my @parts = split(m!/!, $nick); - my $valid = 0; - $valid += valid_inbox_name($_) foreach (@parts); - $valid == scalar(@parts) or next; +sub _fill_ei ($$) { + my ($self, $name) = @_; + eval { require PublicInbox::ExtSearch } or return; + my $pfx = "extindex.$name"; + my $d = valid_dir($self, "$pfx.topdir") // return; + -d $d or return; + my $es = PublicInbox::ExtSearch->new($d); + for my $k (qw(indexlevel indexsequentialshard)) { + my $v = get_1($self, "$pfx.$k") // next; + $es->{$k} = $v; + } + for my $k (qw(coderepo hide url infourl)) { + my $v = $self->{"$pfx.$k"} // next; + $es->{$k} = _array($v); + } + return unless valid_foo_name($name, 'extindex'); + $es->{name} = $name; + $es; +} - my $repo = $code_repos->{$nick} //= - _fill_code_repo($self, $nick); - push @$repo_objs, $repo if $repo; - } +sub _fill_csrch ($$) { + my ($self, $name) = @_; # "" is a valid name for cindex + return if $name ne '' && !valid_foo_name($name, 'cindex'); + eval { require PublicInbox::CodeSearch } or return; + my $pfx = "cindex.$name"; + my $d = valid_dir($self, "$pfx.topdir") // return; + -d $d or return; + my $csrch = PublicInbox::CodeSearch->new($d, $self); + for my $k (qw(localprefix)) { + my $v = $self->{"$pfx.$k"} // next; + $csrch->{$k} = _array($v); + } + $csrch->{name} = $name; + $csrch; +} + +sub lookup_cindex ($$) { + my ($self, $name) = @_; + $self->{-csrch_by_name}->{$name} //= _fill_csrch($self, $name); +} + +sub each_cindex { + my ($self, $cb, @arg) = @_; + my @csrch = map { + lookup_cindex($self, substr($_, length('cindex.'))) // () + } grep(m!\Acindex\.[^\./]*\z!, @{$self->{-section_order}}); + if (ref($cb) eq 'CODE') { + $cb->($_, @arg) for @csrch; + } else { # string function + $_->$cb(@arg) for @csrch; } +} - $ibx +sub config_cmd { + my ($self, $env, $opt) = @_; + my $f = $self->{-f} // default_file(); + my @opt_c = @{$self->{-opt_c} // []}; + my @cmd = (git_exe, @opt_c, 'config'); + @opt_c ? tmp_cmd_opt($env, $opt) : push(@cmd, '-f', $f); + \@cmd; } sub urlmatch { - my ($self, $key, $url) = @_; + my $self = shift; + my @bool = $_[0] eq '--bool' ? (shift) : (); + my ($key, $url, $try_git) = @_; state $urlmatch_broken; # requires git 1.8.5 return if $urlmatch_broken; - my $file = default_file(); - my $cmd = [qw/git config -z --includes --get-urlmatch/, - "--file=$file", $key, $url ]; - my $fh = popen_rd($cmd); - local $/ = "\0"; - my $val = <$fh>; - if (close($fh)) { - chomp($val); - $val; - } else { - $urlmatch_broken = 1 if (($? >> 8) != 1); - undef; + my (%env, %opt); + my $cmd = $self->config_cmd(\%env, \%opt); + push @$cmd, @bool, qw(--includes -z --get-urlmatch), $key, $url; + my $val = run_qx($cmd, \%env, \%opt); + if ($?) { + undef $val; + if (@bool && ($? >> 8) == 128) { # not boolean + } elsif (($? >> 8) != 1) { + $urlmatch_broken = 1; + } elsif ($try_git) { # n.b. this takes cwd into account + $val = run_qx([qw(git config), @bool, + qw(-z --get-urlmatch), $key, $url]); + undef $val if $?; + } + } + $? = 0; # don't influence lei exit status + if (defined($val)) { + local $/ = "\0"; + chomp $val; + $val = git_bool($val) if @bool; + } + $val; +} + +sub json { + state $json; + $json //= do { + for my $mod (qw(Cpanel::JSON::XS JSON::MaybeXS JSON JSON::PP)) { + eval "require $mod" or next; + # ->ascii encodes non-ASCII to "\uXXXX" + $json = $mod->new->ascii(1) and last; + } + $json; + }; +} + +sub squote_maybe ($) { + my ($val) = @_; + if ($val =~ m{([^\w@\./,\%\+\-])}) { + $val =~ s/(['!])/'\\$1'/g; # '!' for csh + return "'$val'"; } + $val; +} + +my %re_map = ( '*' => '[^/]*?', '?' => '[^/]', + '/**' => '/.*', '**/' => '.*/', '/**/' => '(?:/.*?/|/)', + '[' => '[', ']' => ']', ',' => ',' ); + +sub glob2re ($) { + my ($re) = @_; + my $p = ''; + my $in_bracket = 0; + my $qm = 0; + my $schema_host_port = ''; + + # don't glob URL-looking things that look like IPv6 + if ($re =~ s!\A([a-z0-9\+]+://\[[a-f0-9\:]+\](?::[0-9]+)?/)!!i) { + $schema_host_port = quotemeta $1; # "http://[::1]:1234" + } + my $changes = ($re =~ s!(/\*\*/|\A\*\*/|/\*\*\z|.)! + $re_map{$p eq '\\' ? '' : do { + if ($1 eq '[') { ++$in_bracket } + elsif ($1 eq ']') { --$in_bracket } + elsif ($1 eq ',') { ++$qm } # no change + $p = $1; + }} // do { + $p = $1; + ($p eq '-' && $in_bracket) ? $p : (++$qm, "\Q$p") + }!sge); + # bashism (also supported by curl): {a,b,c} => (a|b|c) + $changes += ($re =~ s/([^\\]*)\\\{([^,]*,[^\\]*)\\\}/ + (my $in_braces = $2) =~ tr!,!|!; + $1."($in_braces)"; + /sge); + ($changes - $qm) ? $schema_host_port.$re : undef; +} + +sub get_coderepo { + my ($self, $nick) = @_; + $self->{-coderepos}->{$nick} // do { + defined($self->{-cgit_scan_path}) ? do { + apply_cgit_scan_path($self); + my $cr = fill_coderepo($self, $nick); + $cr ? ($self->{-coderepos}->{$nick} = $cr) : undef; + } : undef; + }; } 1; |