lei q: -I/--exclude/--only support globs and basenames

[public-inbox.git] / lib / PublicInbox / LeiExternal.pm

diff --git a/lib/PublicInbox/LeiExternal.pm b/lib/PublicInbox/LeiExternal.pm
index 3853cfc13c3ba372ab1568ea4310d6f087056f53..6b4c7fb0334388e2dabdf95a4f98e71a9f0ec72a 100644 (file)
--- a/lib/PublicInbox/LeiExternal.pm
+++ b/lib/PublicInbox/LeiExternal.pm
@@ -39,7 +39,7 @@ sub lei_ls_external {
 }
 
 sub ext_canonicalize {
-       my ($location) = $_[-1];
+       my ($location) = @_;
        if ($location !~ m!\Ahttps?://!) {
                PublicInbox::Config::rel2abs_collapsed($location);
        } else {
@@ -52,6 +52,42 @@ sub ext_canonicalize {
        }
 }
 
+my %patmap = ('*' => '[^/]*?', '?' => '[^/]', '[' => '[', ']' => ']');
+sub glob2pat {
+       my ($glob) = @_;
+        $glob =~ s!(.)!$patmap{$1} || "\Q$1"!ge;
+        $glob;
+}
+
+sub get_externals {
+       my ($self, $loc, $exclude) = @_;
+       return (ext_canonicalize($loc)) if -e $loc;
+
+       my @m;
+       my @cur = externals_each($self);
+       my $do_glob = !$self->{opt}->{globoff}; # glob by default
+       if ($do_glob && ($loc =~ /[\*\?]/s || $loc =~ /\[.*\]/s)) {
+               my $re = glob2pat($loc);
+               @m = grep(m!$re!, @cur);
+               return @m if scalar(@m);
+       } elsif (index($loc, '/') < 0) { # exact basename match:
+               @m = grep(m!/\Q$loc\E/?\z!, @cur);
+               return @m if scalar(@m) == 1;
+       } elsif ($exclude) { # URL, maybe:
+               my $canon = ext_canonicalize($loc);
+               @m = grep(m!\A\Q$canon\E\z!, @cur);
+               return @m if scalar(@m) == 1;
+       } else { # URL:
+               return (ext_canonicalize($loc));
+       }
+       if (scalar(@m) == 0) {
+               $self->fail("`$loc' is unknown");
+       } else {
+               $self->fail("`$loc' is ambiguous:\n", map { "\t$_\n" } @m);
+       }
+       ();
+}
+
 sub lei_add_external {
        my ($self, $location) = @_;
        my $cfg = $self->_lei_cfg(1);