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allow arbitary folder layout when using localmirrors

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Make the download script follow symlinks and search subfolders when looking for
a file in a local download mirror.

Signed-off-by: Tathagata Das <tathagata@alumnux.com>

SVN-Revision: 31240
This commit is contained in:
John Crispin 2012-04-10 14:11:45 +00:00
parent ac007ff482
commit 0c4bcae7a1
1 changed files with 24 additions and 1 deletions
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25
scripts/download.pl
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@ -9,6 +9,7 @@
use strict;
use warnings;
use File::Basename;
use File::Copy;
@ARGV > 2 or die "Syntax: $0 <target dir> <filename> <md5sum> [<mirror> ...]\n";
@ -74,7 +75,29 @@ sub download
if(! -d $target) {
system("mkdir -p $target/");
}
system("cp -vf $cache/$filename $target/$filename.dl") == 0 or return;
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 $cache.\n");
return;
} elsif ($i == 1){
print("Copying $filename from $link\n");
copy($link, "$target/$filename.dl");
}
} else {
print("Failed to search for $filename in $cache\n");
return;
}
system("$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";