new link change detection method and general code rework

[git.ikiwiki.info.git] / IkiWiki.pm

diff --git a/IkiWiki.pm b/IkiWiki.pm
index 453bc9f8ca0898b97c2242d36367ec2ecb077b13..b895e12fc0a924fac01a6ef1b10d58e02dbdb003 100644 (file)
--- a/IkiWiki.pm
+++ b/IkiWiki.pm
@@ -28,11 +28,17 @@ our $VERSION = 3.00; # plugin interface version, next is ikiwiki version
 our $version='unknown'; # VERSION_AUTOREPLACE done by Makefile, DNE
 our $installdir='/usr'; # INSTALLDIR_AUTOREPLACE done by Makefile, DNE
 
+# Page dependency types.
+our $DEPEND_CONTENT=1;
+our $DEPEND_PRESENCE=2;
+our $DEPEND_LINKS=4;
+
 # Optimisation.
 use Memoize;
 memoize("abs2rel");
 memoize("pagespec_translate");
 memoize("file_pruned");
+memoize("template_file");
 
 sub getsetup () {
        wikiname => {
@@ -149,6 +155,13 @@ sub getsetup () {
                safe => 0, # path
                rebuild => 1,
        },
+       templatedirs => {
+               type => "internal",
+               default => [],
+               description => "additional directories containing template files",
+               safe => 0,
+               rebuild => 0,
+       },
        underlaydir => {
                type => "string",
                default => "$installdir/share/ikiwiki/basewiki",
@@ -356,7 +369,7 @@ sub getsetup () {
        },
        web_commit_regexp => {
                type => "internal",
-               default => qr/^web commit (by (.*?(?=: |$))|from (\d+\.\d+\.\d+\.\d+)):?(.*)/,
+               default => qr/^web commit (by (.*?(?=: |$))|from ([0-9a-fA-F:.]+[0-9a-fA-F])):?(.*)/,
                description => "regexp to parse web commits from logs",
                safe => 0,
                rebuild => 0,
@@ -536,12 +549,12 @@ sub loadplugins () {
        }
        
        if ($config{rcs}) {
-               if (exists $IkiWiki::hooks{rcs}) {
+               if (exists $hooks{rcs}) {
                        error(gettext("cannot use multiple rcs plugins"));
                }
                loadplugin($config{rcs});
        }
-       if (! exists $IkiWiki::hooks{rcs}) {
+       if (! exists $hooks{rcs}) {
                loadplugin("norcs");
        }
 
@@ -1516,18 +1529,28 @@ sub loadindex () {
                                $links{$page}=$d->{links};
                                $oldlinks{$page}=[@{$d->{links}}];
                        }
-                       if (exists $d->{depends_simple}) {
+                       if (ref $d->{depends_simple} eq 'ARRAY') {
+                               # old format
                                $depends_simple{$page}={
                                        map { $_ => 1 } @{$d->{depends_simple}}
                                };
                        }
+                       elsif (exists $d->{depends_simple}) {
+                               $depends{$page}=$d->{depends_simple};
+                       }
                        if (exists $d->{dependslist}) {
+                               # old format
                                $depends{$page}={
-                                       map { $_ => 1 } @{$d->{dependslist}}
+                                       map { $_ => $DEPEND_CONTENT }
+                                               @{$d->{dependslist}}
                                };
                        }
+                       elsif (exists $d->{depends} && ! ref $d->{depends}) {
+                               # old format
+                               $depends{$page}={$d->{depends} => $DEPEND_CONTENT };
+                       }
                        elsif (exists $d->{depends}) {
-                               $depends{$page}={$d->{depends} => 1};
+                               $depends{$page}=$d->{depends};
                        }
                        if (exists $d->{state}) {
                                $pagestate{$page}=$d->{state};
@@ -1573,11 +1596,11 @@ sub saveindex () {
                };
 
                if (exists $depends{$page}) {
-                       $index{page}{$src}{dependslist} = [ keys %{$depends{$page}} ];
+                       $index{page}{$src}{depends} = $depends{$page};
                }
 
                if (exists $depends_simple{$page}) {
-                       $index{page}{$src}{depends_simple} = [ keys %{$depends_simple{$page}} ];
+                       $index{page}{$src}{depends_simple} = $depends_simple{$page};
                }
 
                if (exists $pagestate{$page}) {
@@ -1609,7 +1632,8 @@ sub saveindex () {
 sub template_file ($) {
        my $template=shift;
 
-       foreach my $dir ($config{templatedir}, "$installdir/share/ikiwiki/templates") {
+       foreach my $dir ($config{templatedir}, @{$config{templatedirs}},
+                        "$installdir/share/ikiwiki/templates") {
                return "$dir/$template" if -e "$dir/$template";
        }
        return;
@@ -1744,20 +1768,39 @@ sub rcs_receive () {
        $hooks{rcs}{rcs_receive}{call}->();
 }
 
-sub add_depends ($$) {
+sub add_depends ($$;@) {
        my $page=shift;
        my $pagespec=shift;
 
-       if ($pagespec =~ /$config{wiki_file_regexp}/ &&
-               $pagespec !~ /[\s*?()!]/) {
-               # a simple dependency, which can be matched by string eq
-               $depends_simple{$page}{lc $pagespec} = 1;
+       # Is the pagespec a simple page name?
+       my $simple=$pagespec =~ /$config{wiki_file_regexp}/ &&
+               $pagespec !~ /[\s*?()!]/;
+
+       my $deptype=$DEPEND_CONTENT;
+       if (@_) {
+               my %params=@_;
+               
+               # Is the pagespec limited to terms that will continue
+               # to match pages as long as those pages exist?
+               my $limited=1;
+               while ($limited && $pagespec=~m/(\w+)\([^\)]*\)/g) {
+                       $limited = $1 =~ /^(glob|internal|creation_month|creation_day|creation_year|created_before|created_after)$/;
+               }
+
+               $deptype=$deptype & ~$DEPEND_CONTENT | $DEPEND_PRESENCE
+                       if $params{presence} && $limited;
+               $deptype=$deptype & ~$DEPEND_CONTENT | $DEPEND_LINKS
+                       if $params{links} && $limited;
+       }
+
+       if ($simple) {
+               $depends_simple{$page}{lc $pagespec} |= $deptype;
                return 1;
        }
 
        return unless pagespec_valid($pagespec);
 
-       $depends{$page}{$pagespec} = 1;
+       $depends{$page}{$pagespec} |= $deptype;
        return 1;
 }
 
@@ -1861,7 +1904,7 @@ sub pagespec_translate ($) {
                        [^\s()]+        # any other text
                )
                \s*             # ignore whitespace
-       }igx) {
+       }gx) {
                my $word=$1;
                if (lc $word eq 'and') {
                        $code.=' &&';
@@ -2043,10 +2086,10 @@ sub match_link ($$;@) {
                else {
                        return IkiWiki::SuccessReason->new("$page links to page $p matching $link")
                                if match_glob($p, $link, %params);
-                       $p=~s/^\///;
+                       my ($p_rel)=$p=~/^\/?(.*)/;
                        $link=~s/^\///;
-                       return IkiWiki::SuccessReason->new("$page links to page $p matching $link")
-                               if match_glob($p, $link, %params);
+                       return IkiWiki::SuccessReason->new("$page links to page $p_rel matching $link")
+                               if match_glob($p_rel, $link, %params);
                }
        }
        return IkiWiki::FailReason->new("$page does not link to $link");