diff options
| -rwxr-xr-x | scripts/download.pl | 79 |
1 files changed, 41 insertions, 38 deletions
diff --git a/scripts/download.pl b/scripts/download.pl index 86a6bf4..0e3d024 100755 --- a/scripts/download.pl +++ b/scripts/download.pl @@ -52,56 +52,59 @@ sub which($) { return $res; } -my $md5cmd = which("md5sum"); -$md5cmd or $md5cmd = which("md5"); -$md5cmd or die 'no md5 checksum program found, please install md5 or md5sum'; +my $md5cmd = which("md5sum") || which("md5") || die 'no md5 checksum program found, please install md5 or md5sum'; chomp $md5cmd; sub download { my $mirror = shift; - my $options = $ENV{WGET_OPTIONS}; - $options or $options = ""; - - $mirror =~ s/\/$//; - if( $mirror =~ /^file:\/\// ) { - my $cache = $mirror; - $cache =~ s/file:\/\///g; - if(system("test -d $cache")) { - print STDERR "Wrong local cache directory -$cache-.\n"; + my $options = $ENV{WGET_OPTIONS} || ""; + + $mirror =~ s!/$!!; + + if ($mirror =~ s!^file://!!) { + if (! -d "$mirror") { + print STDERR "Wrong local cache directory -$mirror-.\n"; cleanup(); return; } - if(! -d $target) { - system("mkdir -p $target/"); + + if (! -d "$target") { + system("mkdir", "-p", "$target/"); } - if (open TMPDLS, "find $cache -follow -name $filename 2>/dev/null |"){ - my $i = 0; - my $link = ""; - while (defined($link = readline TMPDLS)) { - chomp $link; - $i++; - if ($i > 1) { - print("$i or more instances of $filename in $cache found . Only one instance allowed.\n"); - return; - } - } - close TMPDLS; - if ($i < 1) { - print("No instances of $filename found in $cache.\n"); + + if (! open TMPDLS, "find $mirror -follow -name $filename 2>/dev/null |") { + print("Failed to search for $filename in $mirror\n"); + return; + } + + my $link; + + while (defined(my $line = readline TMPDLS)) { + chomp ($link = $line); + if ($. > 1) { + print("$. or more instances of $filename in $mirror found . Only one instance allowed.\n"); return; - } elsif ($i == 1){ - print("Copying $filename from $link\n"); - copy($link, "$target/$filename.dl"); } - } else { - print("Failed to search for $filename in $cache\n"); + } + + close TMPDLS; + + if (! $link) { + print("No instances of $filename found in $mirror.\n"); + return; + } + + print("Copying $filename from $link\n"); + copy($link, "$target/$filename.dl"); + + if (system("$md5cmd '$target/$filename.dl' > '$target/$filename.md5sum'")) { + print("Failed to generate md5 sum for $filename\n"); return; } - system("$md5cmd $target/$filename.dl > \"$target/$filename.md5sum\" ") == 0 or return; } else { - open WGET, "wget -t5 --timeout=20 --no-check-certificate $options -O- \"$mirror/$filename\" |" or die "Cannot launch wget.\n"; - open MD5SUM, "| $md5cmd > \"$target/$filename.md5sum\"" or die "Cannot launch md5sum.\n"; + open WGET, "wget -t5 --timeout=20 --no-check-certificate $options -O- '$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, $buffer, 1048576) { @@ -112,7 +115,7 @@ sub download close WGET; close OUTPUT; - if (($? >> 8) != 0 ) { + if ($? >> 8) { print STDERR "Download failed.\n"; cleanup(); return; @@ -130,7 +133,7 @@ sub download } unlink "$target/$filename"; - system("mv \"$target/$filename.dl\" \"$target/$filename\""); + system("mv", "$target/$filename.dl", "$target/$filename"); cleanup(); } |