lei forget-external: split into separate file

This was written before we had auto-loading, and forget-external
should be a rarely-used command that's not worth loading at
startup.  Do some golfing while we're in the area, too.

1 files changed, 46 insertions, 0 deletions

diff --git a/lib/PublicInbox/LeiForgetExternal.pm b/lib/PublicInbox/LeiForgetExternal.pm
new file mode 100644
index 00000000..7a4bbcf8
--- /dev/null
+++ b/lib/PublicInbox/LeiForgetExternal.pm
@@ -0,0 +1,46 @@
+# Copyright (C) all contributors <meta@public-inbox.org>
+# License: AGPL-3.0+ <https://www.gnu.org/licenses/agpl-3.0.txt>
+
+# "lei forget-external" command
+package PublicInbox::LeiForgetExternal;
+use strict;
+use v5.10.1;
+
+sub lei_forget_external {
+        my ($lei, @locations) = @_;
+        my $cfg = $lei->_lei_cfg or
+                return $lei->fail('no externals configured');
+        my %seen;
+        for my $loc (@locations) {
+                for my $l ($loc, $lei->ext_canonicalize($loc)) {
+                        next if $seen{$l}++;
+                        my $key = "external.$l.boost";
+                        delete($cfg->{$key});
+                        $lei->_config('--unset', $key);
+                        if ($? == 0) {
+                                $lei->qerr("# $l forgotten ");
+                        } elsif (($? >> 8) == 5) {
+                                $lei->err("# $l not found");
+                        } else {
+                                $lei->err("# --unset $key error");
+                                return $lei->x_it($?);
+                        }
+                }
+        }
+}
+
+# shell completion helper called by lei__complete
+sub _complete_forget_external {
+        my ($lei, @argv) = @_;
+        my $cfg = $lei->_lei_cfg or return ();
+        my ($cur, $re, $match_cb) = $lei->complete_url_prepare(\@argv);
+        # FIXME: bash completion off "http:" or "https:" when the last
+        # character is a colon doesn't work properly even if we're
+        # returning "//$HTTP_HOST/$PATH_INFO/", not sure why, could
+        # be a bash issue.
+        map {
+                $match_cb->(substr($_, length('external.')));
+        } grep(/\Aexternal\.$re\Q$cur/, @{$cfg->{-section_order}});
+}
+
+1;