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[exim-website.git] / script / gen.pl

diff --git a/script/gen.pl b/script/gen.pl
index a0a15b03bbab185202ff4ec897863c4bce8ed5c8..9667a7cbdd8d0ea05bae78e6f3bfa1d830814e6f 100755 (executable)
--- a/script/gen.pl
+++ b/script/gen.pl
@@ -1,11 +1,12 @@
-#!/usr/bin/perl
+#!/usr/bin/env perl
 #
 use strict;
 use warnings;
 
-use CSS::Minifier::XS;
+use CSS::Minifier::XS 0.07;
 use File::Copy;
 use File::Find;
+use File::Path qw(make_path);
 use File::Slurp;
 use File::Spec;
 use Getopt::Long;
@@ -26,7 +27,9 @@ do_web() if exists $opt{web};
 
 ## Add the exim-html-current symlink
 print "Symlinking exim-html-current to exim-html-$opt{latest}\n";
-symlink( "$opt{docroot}/exim-html-$opt{latest}", "$opt{docroot}/exim-html-current" );
+unlink("$opt{docroot}/exim-html-current") if ( -l "$opt{docroot}/exim-html-current" );
+symlink( "exim-html-$opt{latest}", "$opt{docroot}/exim-html-current" )
+  || die "symlink to $opt{docroot}/exim-html-current failed";
 
 ## Generate the website files
 sub do_web {
@@ -51,7 +54,7 @@ sub do_web {
 
                 ## Build HTML from XSL files and simply copy static files which have changed
                 if ( $path =~ /(.+)\.xsl$/ ) {
-                    print "Generating  : docroot:/$1.html\n";
+                    print "Generating  : docroot:/$1.html\n" if ($opt{verbose});
                     transform( undef, "$opt{tmpl}/web/$path", "$opt{docroot}/$1.html" );
                 }
                 elsif ( -f "$opt{tmpl}/web/$path" ) {
@@ -60,20 +63,18 @@ sub do_web {
                     return if -f "$opt{docroot}/$path" && ( stat("$opt{tmpl}/web/$path") )[9] == ( stat("$opt{docroot}/$path") )[9];
 
                     if ( $path =~ /(.+)\.css$/ ) {
-                        print "CSS to  : docroot:/$path\n";
+                        print "CSS to  : docroot:/$path\n" if ($opt{verbose});
                         my $content = read_file("$opt{tmpl}/web/$path");
-                        my $output = $opt{minify} ? CSS::Minifier::XS::minify($content) : $content;
-                        $output =~ s/and\(/and (/g;    # hack round minify bug
-                        write_file( "$opt{docroot}/$path", $output );
+                        write_file( "$opt{docroot}/$path", $opt{minify} ? CSS::Minifier::XS::minify($content) : $content );
                     }
                     elsif ( $path =~ /(.+)\.js$/ ) {
-                        print "JS to  : docroot:/$path\n";
+                        print "JS to  : docroot:/$path\n" if ($opt{verbose});
                         my $content = read_file("$opt{tmpl}/web/$path");
                         write_file( "$opt{docroot}/$path", $opt{minify} ? JavaScript::Minifier::XS::minify($content) : $content );
                     }
                     else {
                         ## Copy
-                        print "Copying to  : docroot:/$path\n";
+                        print "Copying to  : docroot:/$path\n" if ($opt{verbose});
                         copy( "$opt{tmpl}/web/$path", "$opt{docroot}/$path" ) or die "$path: $!";
                     }
                     ## Set mtime
@@ -118,7 +119,7 @@ sub do_doc {
     ## Generate a Table of Contents XML file
     {
         my $path = "exim-html-$version/doc/html/spec_html/" . ( $type eq 'filter' ? 'filter_toc' : 'index_toc' ) . ".xml";
-        print "Generating  : docroot:/$path\n";
+        print "Generating  : docroot:/$path\n" if ($opt{verbose});
         transform( $xml, "$opt{tmpl}/doc/toc.xsl", "$opt{docroot}/$path", );
     }
 
@@ -149,7 +150,7 @@ sub do_doc {
         ## Transform the chapter into html
         {
             my $path = sprintf( 'exim-html-%s/doc/html/spec_html/%sch%02d.html', $version, $prepend_chapter, $counter );
-            print "Generating  : docroot:/$path\n";
+            print "Generating  : docroot:/$path\n" if ($opt{verbose});
             transform( $doc, "$opt{tmpl}/doc/chapter.xsl", "$opt{docroot}/$path", );
         }
     }
@@ -312,28 +313,14 @@ sub transform {
     my $doc = $stylesheet->transform($xml);
 
     ## Make the containing directory if it doesn't exist
-    mkdirp( ( $out_path =~ /^(.+)\/.+$/ )[0] );
+    make_path( ( $out_path =~ /^(.+)\/.+$/ )[0], { verbose => 1 } );
 
     ## Write out the document
-    open my $out, '>', $out_path or die $!;
+    open my $out, '>', $out_path or die "Unable to write $out_path - $!";
     print $out $stylesheet->output_as_bytes($doc);
     close $out;
 }
 
-## "mkdir -p "
-sub mkdirp {
-    my $path = shift;
-
-    my @parts = ();
-    foreach ( split( /\//, $path ) ) {
-        push @parts, $_;
-        my $make = join( '/', @parts );
-        next unless length($make);
-        next if -d $make;
-        mkdir($make) or die "Unable to mkdir $make: $!\n";
-    }
-}
-
 ## error_help
 sub error_help {
     my $msg = shift;
@@ -345,8 +332,8 @@ sub error_help {
 ## Parse arguments
 sub parse_arguments {
 
-    my %opt = ( spec => [], filter => [], help => 0, man => 0, web => 0, minify => 1 );
-    GetOptions( \%opt, 'help|h!', 'man!', 'web!', 'spec=s{1,}', 'filter=s{1,}', 'latest=s', 'tmpl=s', 'docroot=s', 'minify!' )
+    my %opt = ( spec => [], filter => [], help => 0, man => 0, web => 0, minify => 1, verbose => 0 );
+    GetOptions( \%opt, 'help|h!', 'man!', 'web!', 'spec=s{1,}', 'filter=s{1,}', 'latest=s', 'tmpl=s', 'docroot=s', 'minify!', 'verbose!' )
       || pod2usage( -exitval => 1, -verbose => 0 );
 
     ## --help
@@ -371,7 +358,7 @@ sub parse_arguments {
     error_help('Excess arguments') if ( scalar(@ARGV) );
 
     error_help('Must include at least one of --web, --spec or --filter')
-      unless ( defined $opt{web} || scalar( @{ $opt{spec} } ) || scalar( @{ $opt{web} } ) );
+      unless ( $opt{web} || scalar( @{ $opt{spec} || [] } ) || scalar( @{ $opt{filter} || [] } ) );
 
     return %opt;
 }