path: root/IkiWiki/Setup/Automator.pm

#!/usr/bin/perl
# Ikiwiki setup automator.

package IkiWiki::Setup::Automator;

use warnings;
use strict;
use IkiWiki;
use IkiWiki::UserInfo;
use Term::ReadLine;
use File::Path;
use Encode;

sub ask ($$) {
    my ($question, $default)=@_;

    my $r=Term::ReadLine->new("ikiwiki");
    $r->readline(encode_utf8($question)." ", $default);
}

sub prettydir ($) {
    my $dir=shift;
    $dir=~s/^\Q$ENV{HOME}\E\//~\//;
    return $dir;
}

sub sanitize_wikiname ($) {
    my $wikiname=shift;

    # Sanitize this to avoid problimatic directory names.
    $wikiname=~s/[^-A-Za-z0-9_]//g;
    if (! length $wikiname) {
        error gettext("you must enter a wikiname (that contains alphanumerics)");
    }
    return $wikiname;
}

sub import (@) {
    my $this=shift;
    IkiWiki::Setup::merge({@_});

    # Avoid overwriting any existing files.
    foreach my $key (qw{srcdir destdir repository dumpsetup}) {
        next unless exists $config{$key};
        my $add="";
        my $dir=IkiWiki::dirname($config{$key})."/";
        my $base=IkiWiki::basename($config{$key});
        while (-e $dir.$add.$base) {
            $add=1 if ! $add;
            $add++;
        }
        $config{$key}=$dir.$add.$base;
    }
    
    # Set up wrapper
    if ($config{rcs}) {
        if ($config{rcs} eq 'git') {
            $config{git_wrapper}=$config{repository}."/hooks/post-update";
        }
        elsif ($config{rcs} eq 'svn') {
            $config{svn_wrapper}=$config{repository}."/hooks/post-commit";
        }
        elsif ($config{rcs} eq 'monotone') {
            $config{mtn_wrapper}=$config{srcdir}."_MTN/ikiwiki-netsync-hook";
        }
        elsif ($config{rcs} eq 'darcs') {
            $config{darcs_wrapper}=$config{repository}."/_darcs/ikiwiki-wrapper";
        }
        elsif ($config{rcs} eq 'bzr') {
            # TODO
        }
        elsif ($config{rcs} eq 'mercurial') {
            # TODO
        }
        else {
            error sprintf(gettext("unsupported revision control system %s"),
                    $config{rcs});
        }
    }

    IkiWiki::checkconfig();

    print "\n\nSetting up $config{wikiname} ...\n";

    # Set up the srcdir.
    mkpath($config{srcdir}) || die "mkdir $config{srcdir}: $!";
    # Copy in example wiki.
    if (exists $config{example}) {
        # cp -R is POSIX
        # Another reason not to use -a is so that pages such as blog
        # posts will not have old creation dates on this new wiki.
        system("cp -R $IkiWiki::installdir/share/ikiwiki/examples/$config{example}/* $config{srcdir}");
        delete $config{example};
    }

    # Set up the repository.
    delete $config{repository} if ! $config{rcs} || $config{rcs}=~/bzr|mercurial/;
    if ($config{rcs}) {
        my @params=($config{rcs}, $config{srcdir});
        push @params, $config{repository} if exists $config{repository};
        if (system("ikiwiki-makerepo", @params) != 0) {
            error gettext("failed to set up the repository with ikiwiki-makerepo");
        }
    }

    # Make sure that all the listed plugins can load
    # and checkconfig is ok. If a plugin fails to work,
    # remove it from the configuration and keep on truckin'.
    my %bakconfig=%config; # checkconfig can modify %config so back up
    if (! eval { IkiWiki::loadplugins(); IkiWiki::checkconfig() }) {
        foreach my $plugin (@{$config{default_plugins}}, @{$bakconfig{add_plugins}}) {
            eval {
                # delete all hooks so that only this plugins's
                # checkconfig will be run
                %IkiWiki::hooks=();
                IkiWiki::loadplugin($plugin);
                IkiWiki::run_hooks(checkconfig => sub { shift->() });
            };
            if ($@) {
                print STDERR sprintf(gettext("** Disabling plugin %s, since it is failing with this message:"),
                    $plugin)."\n";
                print STDERR "$@\n";
                push @{$bakconfig{disable_plugins}}, $plugin;
            }
        }
    }
    %config=%bakconfig;

    # Generate setup file.
    require IkiWiki::Setup;
    IkiWiki::Setup::dump($config{dumpsetup});

    # Build the wiki, but w/o wrappers, so it's not live yet.
    mkpath($config{destdir}) || die "mkdir $config{destdir}: $!";
    if (system("ikiwiki", "--refresh", "--setup", $config{dumpsetup}) != 0) {
        die "ikiwiki --refresh --setup $config{dumpsetup} failed";
    }

    # Create admin user(s).
    foreach my $admin (@{$config{adminuser}}) {
        next if $admin=~/^http\?:\/\//; # openid
        
        # Prompt for password w/o echo.
        my ($password, $password2);
        system('stty -echo 2>/dev/null');
        local $|=1;
        print "\n\nCreating wiki admin $admin ...\n";
        for (;;) {
            print "Choose a password: ";
            chomp($password=<STDIN>);
            print "\n";
            print "Confirm password: ";
            chomp($password2=<STDIN>);

            last if $password2 eq $password;

            print "Password mismatch.\n\n";
        }
        print "\n\n\n";
        system('stty sane 2>/dev/null');

        if (IkiWiki::userinfo_setall($admin, { regdate => time }) &&
            IkiWiki::Plugin::passwordauth::setpassword($admin, $password)) {
            IkiWiki::userinfo_set($admin, "email", $config{adminemail}) if defined $config{adminemail};
        }
        else {
            error("problem setting up $admin user");
        }
    }
    
    # Add wrappers, make live.
    if (system("ikiwiki", "--wrappers", "--setup", $config{dumpsetup}) != 0) {
        die "ikiwiki --wrappers --setup $config{dumpsetup} failed";
    }

    # Add it to the wikilist.
    mkpath("$ENV{HOME}/.ikiwiki");
    open (WIKILIST, ">>$ENV{HOME}/.ikiwiki/wikilist") || die "$ENV{HOME}/.ikiwiki/wikilist: $!";
    print WIKILIST "$ENV{USER} $config{dumpsetup}\n";
    close WIKILIST;
    if (system("ikiwiki-update-wikilist") != 0) {
        print STDERR "** Failed to add you to the system wikilist file.\n";
        print STDERR "** (Probably ikiwiki-update-wikilist is not SUID root.)\n";
        print STDERR "** Your wiki will not be automatically updated when ikiwiki is upgraded.\n";
    }
    
    # Done!
    print "\n\nSuccessfully set up $config{wikiname}:\n";
    foreach my $key (qw{url srcdir destdir repository}) {
        next unless exists $config{$key};
        print "\t$key: ".(" " x (10 - length($key)))." ".
            prettydir($config{$key})."\n";
    }
    print "To modify settings, edit ".prettydir($config{dumpsetup})." and then run:\n";
    print " ikiwiki -setup ".prettydir($config{dumpsetup})."\n";
    exit 0;
}

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