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| | # Copyright (C) 2020-2021 all contributors <meta@public-inbox.org>
# License: AGPL-3.0+ <https://www.gnu.org/licenses/agpl-3.0.txt>
# *-external commands of lei
package PublicInbox::LeiExternal;
use strict;
use v5.10.1;
use parent qw(Exporter);
our @EXPORT = qw(lei_ls_external lei_add_external lei_forget_external);
use PublicInbox::Config;
sub _externals_each {
my ($self, $cb, @arg) = @_;
my $cfg = $self->_lei_cfg(0);
my %boost;
for my $sec (grep(/\Aexternal\./, @{$cfg->{-section_order}})) {
my $loc = substr($sec, length('external.'));
$boost{$loc} = $cfg->{"$sec.boost"};
}
return \%boost if !wantarray && !$cb;
# highest boost first, but stable for alphabetic tie break
use sort 'stable';
my @order = sort { $boost{$b} <=> $boost{$a} } sort keys %boost;
return @order if !$cb;
for my $loc (@order) {
$cb->(@arg, $loc, $boost{$loc});
}
@order; # scalar or array
}
sub lei_ls_external {
my ($self, @argv) = @_;
my ($OFS, $ORS) = $self->{opt}->{z} ? ("\0", "\0\0") : (" ", "\n");
$self->_externals_each(sub {
my ($loc, $boost_val) = @_;
$self->out($loc, $OFS, 'boost=', $boost_val, $ORS);
});
}
sub _canonicalize {
my ($location) = @_;
if ($location !~ m!\Ahttps?://!) {
PublicInbox::Config::rel2abs_collapsed($location);
} else {
require URI;
my $uri = URI->new($location)->canonical;
my $path = $uri->path . '/';
$path =~ tr!/!/!s; # squeeze redundant '/'
$uri->path($path);
$uri->as_string;
}
}
sub lei_add_external {
my ($self, $location) = @_;
my $cfg = $self->_lei_cfg(1);
my $new_boost = $self->{opt}->{boost} // 0;
$location = _canonicalize($location);
if ($location !~ m!\Ahttps?://! && !-d $location) {
return $self->fail("$location not a directory");
}
my $key = "external.$location.boost";
my $cur_boost = $cfg->{$key};
return if defined($cur_boost) && $cur_boost == $new_boost; # idempotent
$self->lei_config($key, $new_boost);
$self->_lei_store(1)->done; # just create the store
}
sub lei_forget_external {
my ($self, @locations) = @_;
my $cfg = $self->_lei_cfg(1);
my $quiet = $self->{opt}->{quiet};
my %seen;
for my $loc (@locations) {
my (@unset, @not_found);
for my $l ($loc, _canonicalize($loc)) {
next if $seen{$l}++;
my $key = "external.$l.boost";
delete($cfg->{$key});
$self->_config('--unset', $key);
if ($? == 0) {
push @unset, $l;
} elsif (($? >> 8) == 5) {
push @not_found, $l;
} else {
$self->err("# --unset $key error");
return $self->x_it($?);
}
}
if (@unset) {
next if $quiet;
$self->err("# $_ gone") for @unset;
} elsif (@not_found) {
$self->err("# $_ not found") for @not_found;
} # else { already exited
}
}
# shell completion helper called by lei__complete
sub _complete_forget_external {
my ($self, @argv) = @_;
my $cfg = $self->_lei_cfg(0);
my $cur = pop @argv;
# Workaround bash word-splitting URLs to ['https', ':', '//' ...]
# Maybe there's a better way to go about this in
# contrib/completion/lei-completion.bash
my $re = '';
if (@argv) {
my @x = @argv;
if ($cur eq ':' && @x) {
push @x, $cur;
$cur = '';
}
while (@x > 2 && $x[0] !~ /\Ahttps?\z/ && $x[1] ne ':') {
shift @x;
}
if (@x >= 2) { # qw(https : hostname : 443) or qw(http :)
$re = join('', @x);
} else { # just filter out the flags and hope for the best
$re = join('', grep(!/^-/, @argv));
}
$re = quotemeta($re);
}
# FIXME: bash completion off "http:" or "https:" when the last
# character is a colon doesn't work properly even if we're
# returning "//$HTTP_HOST/$PATH_INFO/", not sure why, could
# be a bash issue.
map {
my $x = substr($_, length('external.'));
# only return the part specified on the CLI
if ($x =~ /\A$re(\Q$cur\E.*)/) {
# don't duplicate if already 100% completed
$cur eq $1 ? () : $1;
} else {
();
}
} grep(/\Aexternal\.$re\Q$cur/, @{$cfg->{-section_order}});
}
1;
|