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Index: tlmgr.pl
===================================================================
--- tlmgr.pl (revision 11008)
+++ tlmgr.pl (working copy)
@@ -79,6 +79,7 @@
use Cwd qw/abs_path/;
use Pod::Usage;
use Getopt::Long qw(:config no_autoabbrev require_order);
+use Digest::MD5 qw(md5_hex);
use strict;
# used variables
@@ -1864,14 +1865,52 @@
# uses the global $location.
#
sub init_tlmedia {
+ # compute the md5 digest for the location
+ my $locmdv = md5_hey($location);
if (($location =~ m/$TeXLiveServerURL/) ||
($location =~ m/^ctan$/i)) {
$location = give_ctan_mirror();
}
info("tlmgr: installation location $location\n");
+ if ($location =~ m/^(http|ftp):/i) {
+ # try to download the md5hash from the location
+ my $root = $localtlpdb->root;
+ my $temp = "$root/temp";
+ my $remotefilemdvfile = "$temp/md5.$locmdv";
+ my $remote_tlpdb_copy = "$root/$InfraLocation/texlive.tlpdb.$locmdv";
+ my $ret = TeXLive::TLUtils::download_file("$location/$InfraLocation/${DatabaseName}.md5", "$remotefilemdvfile");
+ if ($ret && (-r "$lzmafile")) {
+ # we found a md5 hash
+ # we have to check the md5hash against the md5 hash of the local file
+ my $local_digest = TeXLive::TLUtils::tlmd5("$remote_tlpdb_copy");
+ if (open (FOO, "<$remotefilemdvfile")) {
+ my $remote_digest = <FOO>;
+ close(FOO);
+ if ($remote_digest eq $local_digest) {
+ # that is fine, we have the same database, don't re-download it
+ $tlmediasrc = TeXLive::TLMedia->new($location, $remote_tlpdb_copy, "good");
+ die ("NOT KNOW WHY") unless defined($tlmediasrc);
+ }
+ } else {
+ debug("Cannot read md5 sum from downloaded file $remotefilemdvfile\n");
+ # we will read it again
+ }
+ } else {
+ tlwarn("We seem to be off line.\n");
+ if (-r "$remote_tlpdb_copy") {
+ tlwarn("Using local copy of remote database, installation may not succeed.\n");
+ $tlmediasrc = TeXLive::TLMedia->new($location, $remote_tlpdb_copy, "maybe_good");
+ die ("NOT KNOW WHY") unless defined($tlmediasrc);
+ } else {
+ # do nothing, we will try below to download the tlpdb ...
+ }
+ }
+ }
# $tlmediasrc is a global variable
- $tlmediasrc = TeXLive::TLMedia->new($location);
+ $tlmediasrc = TeXLive::TLMedia->new($location) unless defined($tlmediasrc);
die($loadmediasrcerror . $location) unless defined($tlmediasrc);
+ # save the md5hash of
+ tlwarn("TODO TODO TODO ....");
}
#
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