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-rwxr-xr-xscripts/download.pl79
1 files changed, 41 insertions, 38 deletions
diff --git a/scripts/download.pl b/scripts/download.pl
index 86a6bf465..0e3d02409 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();
}