adding the possibility of local file cache specify file://path_to_file_cache within...

SVN-Revision: 10617

diff --git a/scripts/download.pl b/scripts/download.pl
index e885ff25f5c1b098b08739ddcbb7c5a830f40b5c..38adb012cc414dbda5ddc8f772ec11c0bafe8350 100755 (executable)
--- a/scripts/download.pl
+++ b/scripts/download.pl
@@ -20,8 +20,8 @@ my @mirrors;
 my $ok;
 
 sub localmirrors {
-    my @mlist;
-    open LM, "$scriptdir/localmirrors" and do {
+       my @mlist;
+       open LM, "$scriptdir/localmirrors" and do {
            while (<LM>) {
                        chomp $_;
                        push @mlist, $_;
@@ -37,9 +37,8 @@ sub localmirrors {
                }
                close CONFIG;
        };
-       
 
-    return @mlist;
+       return @mlist;
 }
 
 sub which($) {
@@ -61,36 +60,45 @@ sub download
        my $mirror = shift;
        my $options = $ENV{WGET_OPTIONS};
        $options or $options = "";
-       
+
        $mirror =~ s/\/$//;
-       open WGET, "wget -t5 --timeout=20 $options -O- \"$mirror/$filename\" |" or die "Cannot launch wget.\n";
-       open MD5SUM, "| $md5cmd > \"$target/$filename.md5sum\"" or die "Cannot launch md5sum.\n";
-       open OUTPUT, "> $target/$filename.dl" or die "Cannot create file $target/$filename.dl: $!\n";
-       my $buffer;
-       while (read WGET, $buffer, 1048576) {
-               print MD5SUM $buffer;
-               print OUTPUT $buffer;
-       }
-       close MD5SUM;
-       close WGET;
-       close OUTPUT;
-       
-       if (($? >> 8) != 0 ) {
-               print STDERR "Download failed.\n";
-               cleanup();
-               return;
+       if( $mirror =~ /^file:\/\// ) {
+               my $cache = $mirror;
+               $cache =~ s/file:\/\///g;
+               print "Checking local cache: $cache\n";
+               system("mkdir -p $target/");
+               system("cp -f $cache/$filename $target/$filename.dl") == 0 or return;
+               system("$md5cmd $target/$filename.dl > \"$target/$filename.md5sum\" ") == 0 or return;
+       } else {
+               open WGET, "wget -t5 --timeout=20 $options -O- \"$mirror/$filename\" |" or die "Cannot launch wget.\n";
+               open MD5SUM, "| $md5cmd > \"$target/$filename.md5sum\"" or die "Cannot launch md5sum.\n";
+               open OUTPUT, "> $target/$filename.dl" or die "Cannot create file $target/$filename.dl: $!\n";
+               my $buffer;
+               while (read WGET, $buffer, 1048576) {
+                       print MD5SUM $buffer;
+                       print OUTPUT $buffer;
+               }
+               close MD5SUM;
+               close WGET;
+               close OUTPUT;
+
+               if (($? >> 8) != 0 ) {
+                       print STDERR "Download failed.\n";
+                       cleanup();
+                       return;
+               }
        }
-       
+
        my $sum = `cat "$target/$filename.md5sum"`;
        $sum =~ /^(\w+)\s*/ or die "Could not generate md5sum\n";
        $sum = $1;
-       
+
        if (($md5sum =~ /\w{32}/) and ($sum ne $md5sum)) {
                print STDERR "MD5 sum of the downloaded file does not match (file: $sum, requested: $md5sum) - deleting download.\n";
                cleanup();
                return;
        }
-       
+
        unlink "$target/$filename";
        system("mv \"$target/$filename.dl\" \"$target/$filename\"");
        cleanup();
@@ -140,7 +148,7 @@ push @mirrors, 'http://downloads.openwrt.org/sources';
 while (!$ok) {
        my $mirror = shift @mirrors;
        $mirror or die "No more mirrors to try - giving up.\n";
-       
+
        download($mirror);
        -f "$target/$filename" and $ok = 1;
 }