1 files changed, 72 insertions, 0 deletions
diff --git a/lib/PublicInbox/LeiAddExternal.pm b/lib/PublicInbox/LeiAddExternal.pm
new file mode 100644
index 00000000..5eef206c
--- /dev/null
+++ b/lib/PublicInbox/LeiAddExternal.pm
@@ -0,0 +1,72 @@
+# Copyright (C) all contributors <meta@public-inbox.org>
+# License: AGPL-3.0+ <https://www.gnu.org/licenses/agpl-3.0.txt>
+
+# "lei add-external" command
+package PublicInbox::LeiAddExternal;
+use strict;
+use v5.10.1;
+
+sub _finish_add_external {
+        my ($lei, $location) = @_;
+        my $new_boost = $lei->{opt}->{boost} // 0;
+        my $key = "external.$location.boost";
+        my $cur_boost = $lei->_lei_cfg(1)->{$key};
+        return if defined($cur_boost) && $cur_boost == $new_boost; # idempotent
+        $lei->_config($key, $new_boost);
+}
+
+sub lei_add_external {
+        my ($lei, $location) = @_;
+        my $mirror = $lei->{opt}->{mirror} // do {
+                my @fail;
+                for my $sw ($lei->index_opt, $lei->curl_opt,
+                                qw(no-torsocks torsocks inbox-version)) {
+                        my ($f) = (split(/|/, $sw, 2))[0];
+                        next unless defined $lei->{opt}->{$f};
+                        $f = length($f) == 1 ? "-$f" : "--$f";
+                        push @fail, $f;
+                }
+                if (scalar(@fail) == 1) {
+                        return $lei->("@fail requires --mirror");
+                } elsif (@fail) {
+                        my $last = pop @fail;
+                        my $fail = join(', ', @fail);
+                        return $lei->("@fail and $last require --mirror");
+                }
+                undef;
+        };
+        $location = $lei->ext_canonicalize($location);
+        if (defined($mirror) && -d $location) {
+                $lei->fail(<<""); # TODO: did you mean "update-external?"
+--mirror destination `$location' already exists
+
+        } elsif (-d $location) {
+                index($location, "\n") >= 0 and
+                        return $lei->fail("`\\n' not allowed in `$location'");
+        }
+        if ($location !~ m!\Ahttps?://! && !-d $location) {
+                $mirror // return $lei->fail("$location not a directory");
+                index($location, "\n") >= 0 and
+                        return $lei->fail("`\\n' not allowed in `$location'");
+                $mirror = $lei->ext_canonicalize($mirror);
+                require PublicInbox::LeiMirror;
+                PublicInbox::LeiMirror->start($lei, $mirror => $location);
+        } else {
+                _finish_add_external($lei, $location);
+        }
+}
+
+sub _complete_add_external { # for bash, this relies on "compopt -o nospace"
+        my ($lei, @argv) = @_;
+        my $cfg = $lei->_lei_cfg or return ();
+        my $match_cb = $lei->complete_url_prepare(\@argv);
+        require URI;
+        map {
+                my $u = URI->new(substr($_, length('external.')));
+                my ($base) = ($u->path =~ m!((?:/?.*)?/)[^/]+/?\z!);
+                $u->path($base);
+                $match_cb->($u->as_string);
+        } grep(m!\Aexternal\.https?://!, @{$cfg->{-section_order}});
+}
+
+1;