split two helper functions of of render()

diff --git a/IkiWiki/Render.pm b/IkiWiki/Render.pm
index 2da18738d9e4f2740dadb22f647383846f4c3742..59cec364638eaed3b8a7fb5e5bdbe18d3b3c4847 100644 (file)
--- a/IkiWiki/Render.pm
+++ b/IkiWiki/Render.pm
@@ -246,7 +246,7 @@ sub prune ($) {
        }
 }
 
-sub refresh () {
+sub srcdir_check () {
        # security check, avoid following symlinks in the srcdir path by default
        my $test=$config{srcdir};
        while (length $test) {
@@ -258,11 +258,10 @@ sub refresh () {
                }
        }
        
-       run_hooks(refresh => sub { shift->() });
+}
 
-       # find existing pages
-       my %exists;
-       my @files;
+sub find_src_files () {
+       my (@files, %pages);
        eval q{use File::Find};
        error($@) if $@;
        find({
@@ -281,10 +280,10 @@ sub refresh () {
                                        $f=~s/^\Q$config{srcdir}\E\/?//;
                                        push @files, $f;
                                        my $pagename = pagename($f);
-                                       if ($exists{$pagename}) {
+                                       if ($pages{$pagename}) {
                                                debug(sprintf(gettext("%s has multiple possible source pages"), $pagename));
                                        }
-                                       $exists{$pagename}=1;
+                                       $pages{$pagename}=1;
                                }
                        }
                },
@@ -310,9 +309,9 @@ sub refresh () {
                                                if (! -l "$config{srcdir}/$f" && 
                                                    ! -e _) {
                                                        my $page=pagename($f);
-                                                       if (! $exists{$page}) {
+                                                       if (! $pages{$page}) {
                                                                push @files, $f;
-                                                               $exists{$page}=1;
+                                                               $pages{$page}=1;
                                                        }
                                                }
                                        }
@@ -321,9 +320,19 @@ sub refresh () {
                }, $dir);
        };
 
+       # Returns a list of all source files found, and a hash of 
+       # the corresponding page names.
+       return \@files, \%pages;
+}
+
+sub refresh () {
+       srcdir_check();
+       run_hooks(refresh => sub { shift->() });
+       my ($files, $exists)=find_src_files();
+
        my (%rendered, @add, @del, @internal);
        # check for added or removed pages
-       foreach my $file (@files) {
+       foreach my $file (@$files) {
                my $page=pagename($file);
                if (exists $pagesources{$page} && $pagesources{$page} ne $file) {
                        # the page has changed its type
@@ -353,7 +362,7 @@ sub refresh () {
                }
        }
        foreach my $page (keys %pagemtime) {
-               if (! $exists{$page}) {
+               if (! $exists->{$page}) {
                        if (isinternal($page)) {
                                push @internal, $pagesources{$page};
                        }
@@ -377,7 +386,7 @@ sub refresh () {
 
        # find changed and new files
        my @needsbuild;
-       foreach my $file (@files) {
+       foreach my $file (@$files) {
                my $page=pagename($file);
                my ($srcfile, @stat)=srcfile_stat($file);
                if (! exists $pagemtime{$page} ||
@@ -435,7 +444,7 @@ sub refresh () {
                my @changed=(keys %rendered, @del);
 
                # rebuild dependant pages
-               foreach my $f (@files) {
+               foreach my $f (@$files) {
                        next if $rendered{$f};
                        my $p=pagename($f);
                        if (exists $depends{$p}) {