ikiwiki/ plugins/ contrib/ unixrelpagespec (third party plugin)

Plugin: unixrelpagespec
Author: Jogo
Included in ikiwiki: no
Enabled by default: no
Included in goodstuff: no
Currently enabled: yes

I don't understand why `./*` correspond to siblings and not subpages. This is probably only meaningfull with autoindex turned on.

Here is a small plugin wich follow usual Unix convention :

- `./*` expand to subpages
- `../*` expand to siblings

    #!/usr/bin/perl
    # UnixRelPageSpec plugin.
    # by Joseph Boudou <jogo at matabio dot net>

    package IkiWiki::Plugin::unixrelpagespec;

    use warnings;
    use strict;
    use IkiWiki 3.00;

    sub import {
        inject(
            name => 'IkiWiki::PageSpec::derel',
            call => \&unix_derel
        );
    }

    sub unix_derel ($$) {
        my $path = shift;
        my $from = shift;

        if ($path =~ m!^\.{1,2}/!) {
            $from =~ s#/?[^/]+$## if (defined $from and $path =~ m/^\.{2}/);
            $path =~ s#^\.{1,2}/##;
            $path = "$from/$path" if length $from;
        }

        return $path;
    }

    1;